./Ultimate.py --spec /mnt/thread-witnesses/replication/bench/thread-witnesses/st-lit/properties/unreach-call.prp --file /mnt/thread-witnesses/replication/bench/thread-witnesses/st-lit/prec/hh-ex3.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/mnt/thread-witnesses/replication/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/thread-witnesses/replication/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/thread-witnesses/replication/UAutomizer-linux/data -tc /mnt/thread-witnesses/replication/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/thread-witnesses/replication/bench/thread-witnesses/st-lit/prec/hh-ex3.i -s /mnt/thread-witnesses/replication/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/thread-witnesses/replication/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-01-31 08:39:02,316 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-01-31 08:39:02,318 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-01-31 08:39:02,358 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-01-31 08:39:02,373 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-01-31 08:39:02,376 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-01-31 08:39:02,378 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-01-31 08:39:02,380 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-01-31 08:39:02,382 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-01-31 08:39:02,386 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-01-31 08:39:02,387 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-01-31 08:39:02,388 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-01-31 08:39:02,388 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-01-31 08:39:02,392 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-01-31 08:39:02,392 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-01-31 08:39:02,394 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-01-31 08:39:02,395 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-01-31 08:39:02,396 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-01-31 08:39:02,397 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-01-31 08:39:02,400 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-01-31 08:39:02,402 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-01-31 08:39:02,405 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-01-31 08:39:02,406 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-01-31 08:39:02,407 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-01-31 08:39:02,423 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-01-31 08:39:02,423 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-01-31 08:39:02,424 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-01-31 08:39:02,425 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-01-31 08:39:02,425 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-01-31 08:39:02,426 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-01-31 08:39:02,427 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-01-31 08:39:02,427 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-01-31 08:39:02,428 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-01-31 08:39:02,429 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-01-31 08:39:02,429 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-01-31 08:39:02,430 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-01-31 08:39:02,430 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-01-31 08:39:02,430 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-01-31 08:39:02,431 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-01-31 08:39:02,431 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-01-31 08:39:02,432 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-01-31 08:39:02,433 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/thread-witnesses/replication/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-01-31 08:39:02,483 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-01-31 08:39:02,484 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-01-31 08:39:02,484 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-01-31 08:39:02,484 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-01-31 08:39:02,485 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-01-31 08:39:02,485 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-01-31 08:39:02,486 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-01-31 08:39:02,486 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-01-31 08:39:02,486 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-01-31 08:39:02,486 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-01-31 08:39:02,487 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-01-31 08:39:02,487 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-01-31 08:39:02,487 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-01-31 08:39:02,487 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-01-31 08:39:02,488 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-01-31 08:39:02,488 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-01-31 08:39:02,488 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-01-31 08:39:02,488 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-01-31 08:39:02,488 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-01-31 08:39:02,488 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-01-31 08:39:02,489 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-01-31 08:39:02,489 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-01-31 08:39:02,489 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-01-31 08:39:02,489 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-01-31 08:39:02,489 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-01-31 08:39:02,490 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-01-31 08:39:02,490 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-01-31 08:39:02,490 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-01-31 08:39:02,490 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-01-31 08:39:02,490 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-01-31 08:39:02,490 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-01-31 08:39:02,490 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-01-31 08:39:02,491 INFO  L138        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/mnt/thread-witnesses/replication/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /mnt/thread-witnesses/replication/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb
[2023-01-31 08:39:02,851 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-01-31 08:39:02,880 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-01-31 08:39:02,882 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-01-31 08:39:02,883 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-01-31 08:39:02,883 INFO  L275        PluginConnector]: CDTParser initialized
[2023-01-31 08:39:02,884 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/thread-witnesses/replication/bench/thread-witnesses/st-lit/prec/hh-ex3.i
[2023-01-31 08:39:04,505 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-01-31 08:39:04,767 INFO  L351              CDTParser]: Found 1 translation units.
[2023-01-31 08:39:04,768 INFO  L172              CDTParser]: Scanning /mnt/thread-witnesses/replication/bench/thread-witnesses/st-lit/prec/hh-ex3.i
[2023-01-31 08:39:04,780 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/thread-witnesses/replication/UAutomizer-linux/data/0eb478772/9058ada3cb0b4a0abaad1bb2fdee2498/FLAG4c1deb9d5
[2023-01-31 08:39:04,795 INFO  L402              CDTParser]: Successfully deleted /mnt/thread-witnesses/replication/UAutomizer-linux/data/0eb478772/9058ada3cb0b4a0abaad1bb2fdee2498
[2023-01-31 08:39:04,797 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-01-31 08:39:04,806 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-01-31 08:39:04,813 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-01-31 08:39:04,813 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-01-31 08:39:04,815 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-01-31 08:39:04,821 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:39:04" (1/1) ...
[2023-01-31 08:39:04,821 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0c99e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:04, skipping insertion in model container
[2023-01-31 08:39:04,821 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:39:04" (1/1) ...
[2023-01-31 08:39:04,833 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-01-31 08:39:04,857 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-01-31 08:39:05,064 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /mnt/thread-witnesses/replication/bench/thread-witnesses/st-lit/prec/hh-ex3.i[799,812]
[2023-01-31 08:39:05,095 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-01-31 08:39:05,107 INFO  L203         MainTranslator]: Completed pre-run
[2023-01-31 08:39:05,130 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /mnt/thread-witnesses/replication/bench/thread-witnesses/st-lit/prec/hh-ex3.i[799,812]
[2023-01-31 08:39:05,137 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-01-31 08:39:05,149 INFO  L208         MainTranslator]: Completed translation
[2023-01-31 08:39:05,153 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05 WrapperNode
[2023-01-31 08:39:05,154 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-01-31 08:39:05,160 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-01-31 08:39:05,160 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-01-31 08:39:05,160 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-01-31 08:39:05,165 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,172 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,196 INFO  L138                Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36
[2023-01-31 08:39:05,196 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-01-31 08:39:05,197 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-01-31 08:39:05,197 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-01-31 08:39:05,197 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-01-31 08:39:05,203 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,203 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,211 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,212 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,218 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,223 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,224 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,224 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,229 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-01-31 08:39:05,243 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-01-31 08:39:05,244 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-01-31 08:39:05,245 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-01-31 08:39:05,246 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (1/1) ...
[2023-01-31 08:39:05,253 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-01-31 08:39:05,275 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/thread-witnesses/replication/UAutomizer-linux/z3
[2023-01-31 08:39:05,292 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/thread-witnesses/replication/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-01-31 08:39:05,318 INFO  L327       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-01-31 08:39:05,356 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-01-31 08:39:05,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-01-31 08:39:05,357 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-01-31 08:39:05,357 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-01-31 08:39:05,357 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-01-31 08:39:05,357 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-01-31 08:39:05,410 INFO  L235             CfgBuilder]: Building ICFG
[2023-01-31 08:39:05,412 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-01-31 08:39:05,565 INFO  L276             CfgBuilder]: Performing block encoding
[2023-01-31 08:39:05,573 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-01-31 08:39:05,574 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-01-31 08:39:05,575 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:39:05 BoogieIcfgContainer
[2023-01-31 08:39:05,575 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-01-31 08:39:05,600 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-01-31 08:39:05,600 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-01-31 08:39:05,603 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-01-31 08:39:05,603 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:39:04" (1/3) ...
[2023-01-31 08:39:05,612 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c51895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:39:05, skipping insertion in model container
[2023-01-31 08:39:05,612 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:39:05" (2/3) ...
[2023-01-31 08:39:05,614 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c51895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:39:05, skipping insertion in model container
[2023-01-31 08:39:05,614 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:39:05" (3/3) ...
[2023-01-31 08:39:05,619 INFO  L112   eAbstractionObserver]: Analyzing ICFG hh-ex3.i
[2023-01-31 08:39:05,647 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-01-31 08:39:05,648 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-01-31 08:39:05,719 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-01-31 08:39:05,741 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@298d52e2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-01-31 08:39:05,742 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-01-31 08:39:05,745 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 23 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-01-31 08:39:05,750 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-01-31 08:39:05,750 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:05,751 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:05,751 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:05,762 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:05,763 INFO  L85        PathProgramCache]: Analyzing trace with hash 300894425, now seen corresponding path program 1 times
[2023-01-31 08:39:05,769 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:05,783 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976436958]
[2023-01-31 08:39:05,784 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:05,784 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:05,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:06,084 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-01-31 08:39:06,096 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:06,096 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976436958]
[2023-01-31 08:39:06,096 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976436958] provided 1 perfect and 0 imperfect interpolant sequences
[2023-01-31 08:39:06,097 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-01-31 08:39:06,097 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-01-31 08:39:06,098 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592242190]
[2023-01-31 08:39:06,098 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:06,101 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-01-31 08:39:06,111 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:06,159 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-01-31 08:39:06,159 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-01-31 08:39:06,162 INFO  L87              Difference]: Start difference. First operand  has 23 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-01-31 08:39:06,264 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:06,265 INFO  L93              Difference]: Finished difference Result 45 states and 77 transitions.
[2023-01-31 08:39:06,266 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-01-31 08:39:06,267 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2023-01-31 08:39:06,267 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:06,273 INFO  L225             Difference]: With dead ends: 45
[2023-01-31 08:39:06,280 INFO  L226             Difference]: Without dead ends: 20
[2023-01-31 08:39:06,282 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-01-31 08:39:06,285 INFO  L413           NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:06,286 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:06,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2023-01-31 08:39:06,324 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2023-01-31 08:39:06,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-01-31 08:39:06,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions.
[2023-01-31 08:39:06,332 INFO  L78                 Accepts]: Start accepts. Automaton has 20 states and 28 transitions. Word has length 8
[2023-01-31 08:39:06,332 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:06,333 INFO  L495      AbstractCegarLoop]: Abstraction has 20 states and 28 transitions.
[2023-01-31 08:39:06,340 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-01-31 08:39:06,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions.
[2023-01-31 08:39:06,341 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-01-31 08:39:06,342 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:06,342 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:06,342 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-01-31 08:39:06,356 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:06,356 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:06,357 INFO  L85        PathProgramCache]: Analyzing trace with hash 302503139, now seen corresponding path program 1 times
[2023-01-31 08:39:06,357 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:06,357 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658530594]
[2023-01-31 08:39:06,357 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:06,358 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:06,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:06,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-01-31 08:39:06,622 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:06,622 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658530594]
[2023-01-31 08:39:06,622 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658530594] provided 1 perfect and 0 imperfect interpolant sequences
[2023-01-31 08:39:06,623 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-01-31 08:39:06,623 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-01-31 08:39:06,623 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202375558]
[2023-01-31 08:39:06,623 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:06,624 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-01-31 08:39:06,625 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:06,625 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-01-31 08:39:06,625 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-01-31 08:39:06,626 INFO  L87              Difference]: Start difference. First operand 20 states and 28 transitions. Second operand  has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-01-31 08:39:06,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:06,774 INFO  L93              Difference]: Finished difference Result 27 states and 34 transitions.
[2023-01-31 08:39:06,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-01-31 08:39:06,775 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2023-01-31 08:39:06,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:06,777 INFO  L225             Difference]: With dead ends: 27
[2023-01-31 08:39:06,777 INFO  L226             Difference]: Without dead ends: 25
[2023-01-31 08:39:06,779 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-01-31 08:39:06,781 INFO  L413           NwaCegarLoop]: 21 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:06,783 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 54 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:06,783 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2023-01-31 08:39:06,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24.
[2023-01-31 08:39:06,800 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-01-31 08:39:06,801 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions.
[2023-01-31 08:39:06,801 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 8
[2023-01-31 08:39:06,801 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:06,801 INFO  L495      AbstractCegarLoop]: Abstraction has 24 states and 31 transitions.
[2023-01-31 08:39:06,801 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-01-31 08:39:06,802 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions.
[2023-01-31 08:39:06,802 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-01-31 08:39:06,802 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:06,802 INFO  L195           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:06,802 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-01-31 08:39:06,803 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:06,803 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:06,803 INFO  L85        PathProgramCache]: Analyzing trace with hash 1964350918, now seen corresponding path program 1 times
[2023-01-31 08:39:06,804 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:06,804 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903265560]
[2023-01-31 08:39:06,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:06,804 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:06,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,021 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:07,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-01-31 08:39:07,047 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:07,047 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903265560]
[2023-01-31 08:39:07,047 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903265560] provided 1 perfect and 0 imperfect interpolant sequences
[2023-01-31 08:39:07,048 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-01-31 08:39:07,049 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-01-31 08:39:07,049 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049760889]
[2023-01-31 08:39:07,049 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:07,050 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-01-31 08:39:07,051 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:07,052 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-01-31 08:39:07,053 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-01-31 08:39:07,053 INFO  L87              Difference]: Start difference. First operand 24 states and 31 transitions. Second operand  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-01-31 08:39:07,197 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:07,197 INFO  L93              Difference]: Finished difference Result 42 states and 57 transitions.
[2023-01-31 08:39:07,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-01-31 08:39:07,198 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2023-01-31 08:39:07,198 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:07,218 INFO  L225             Difference]: With dead ends: 42
[2023-01-31 08:39:07,218 INFO  L226             Difference]: Without dead ends: 40
[2023-01-31 08:39:07,222 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-01-31 08:39:07,226 INFO  L413           NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:07,228 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 112 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:07,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2023-01-31 08:39:07,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37.
[2023-01-31 08:39:07,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14)
[2023-01-31 08:39:07,241 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions.
[2023-01-31 08:39:07,241 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 13
[2023-01-31 08:39:07,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:07,242 INFO  L495      AbstractCegarLoop]: Abstraction has 37 states and 50 transitions.
[2023-01-31 08:39:07,242 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-01-31 08:39:07,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions.
[2023-01-31 08:39:07,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-01-31 08:39:07,243 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:07,243 INFO  L195           NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:07,243 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-01-31 08:39:07,251 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:07,252 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:07,252 INFO  L85        PathProgramCache]: Analyzing trace with hash -1092746621, now seen corresponding path program 1 times
[2023-01-31 08:39:07,252 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:07,252 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777393116]
[2023-01-31 08:39:07,252 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:07,252 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:07,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,415 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:07,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,425 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-01-31 08:39:07,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,437 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-01-31 08:39:07,437 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:07,437 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777393116]
[2023-01-31 08:39:07,437 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777393116] provided 1 perfect and 0 imperfect interpolant sequences
[2023-01-31 08:39:07,437 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-01-31 08:39:07,437 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-01-31 08:39:07,438 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001012878]
[2023-01-31 08:39:07,438 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:07,438 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-01-31 08:39:07,438 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:07,439 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-01-31 08:39:07,439 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-01-31 08:39:07,439 INFO  L87              Difference]: Start difference. First operand 37 states and 50 transitions. Second operand  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-01-31 08:39:07,561 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:07,562 INFO  L93              Difference]: Finished difference Result 46 states and 60 transitions.
[2023-01-31 08:39:07,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-01-31 08:39:07,562 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18
[2023-01-31 08:39:07,563 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:07,564 INFO  L225             Difference]: With dead ends: 46
[2023-01-31 08:39:07,564 INFO  L226             Difference]: Without dead ends: 44
[2023-01-31 08:39:07,565 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-01-31 08:39:07,569 INFO  L413           NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:07,570 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 97 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:07,571 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2023-01-31 08:39:07,587 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42.
[2023-01-31 08:39:07,587 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15)
[2023-01-31 08:39:07,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions.
[2023-01-31 08:39:07,591 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 18
[2023-01-31 08:39:07,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:07,608 INFO  L495      AbstractCegarLoop]: Abstraction has 42 states and 55 transitions.
[2023-01-31 08:39:07,608 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-01-31 08:39:07,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions.
[2023-01-31 08:39:07,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-01-31 08:39:07,609 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:07,610 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:07,610 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-01-31 08:39:07,610 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:07,611 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:07,611 INFO  L85        PathProgramCache]: Analyzing trace with hash 961880998, now seen corresponding path program 1 times
[2023-01-31 08:39:07,611 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:07,611 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135033094]
[2023-01-31 08:39:07,611 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:07,611 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:07,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,718 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:07,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,721 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-01-31 08:39:07,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,744 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-01-31 08:39:07,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:07,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-01-31 08:39:07,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:07,754 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135033094]
[2023-01-31 08:39:07,754 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135033094] provided 1 perfect and 0 imperfect interpolant sequences
[2023-01-31 08:39:07,755 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-01-31 08:39:07,755 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-01-31 08:39:07,755 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977080765]
[2023-01-31 08:39:07,755 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:07,756 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-01-31 08:39:07,756 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:07,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-01-31 08:39:07,757 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-01-31 08:39:07,757 INFO  L87              Difference]: Start difference. First operand 42 states and 55 transitions. Second operand  has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-01-31 08:39:07,834 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:07,834 INFO  L93              Difference]: Finished difference Result 89 states and 120 transitions.
[2023-01-31 08:39:07,834 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-01-31 08:39:07,835 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23
[2023-01-31 08:39:07,836 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:07,856 INFO  L225             Difference]: With dead ends: 89
[2023-01-31 08:39:07,856 INFO  L226             Difference]: Without dead ends: 56
[2023-01-31 08:39:07,857 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-01-31 08:39:07,858 INFO  L413           NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:07,860 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 86 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:07,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-01-31 08:39:07,875 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2023-01-31 08:39:07,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23)
[2023-01-31 08:39:07,878 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions.
[2023-01-31 08:39:07,881 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 23
[2023-01-31 08:39:07,882 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:07,882 INFO  L495      AbstractCegarLoop]: Abstraction has 56 states and 76 transitions.
[2023-01-31 08:39:07,882 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-01-31 08:39:07,883 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions.
[2023-01-31 08:39:07,884 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2023-01-31 08:39:07,884 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:07,884 INFO  L195           NwaCegarLoop]: trace histogram [8, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:07,884 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-01-31 08:39:07,885 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:07,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:07,885 INFO  L85        PathProgramCache]: Analyzing trace with hash 1962382770, now seen corresponding path program 1 times
[2023-01-31 08:39:07,885 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:07,885 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967512814]
[2023-01-31 08:39:07,885 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:07,886 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:07,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,009 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:08,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,019 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-01-31 08:39:08,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,022 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-01-31 08:39:08,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,024 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-01-31 08:39:08,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,040 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2023-01-31 08:39:08,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,047 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-01-31 08:39:08,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,051 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-01-31 08:39:08,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 103 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2023-01-31 08:39:08,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:08,056 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967512814]
[2023-01-31 08:39:08,056 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967512814] provided 1 perfect and 0 imperfect interpolant sequences
[2023-01-31 08:39:08,056 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-01-31 08:39:08,056 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-01-31 08:39:08,056 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739345482]
[2023-01-31 08:39:08,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:08,057 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-01-31 08:39:08,057 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:08,057 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-01-31 08:39:08,057 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-01-31 08:39:08,058 INFO  L87              Difference]: Start difference. First operand 56 states and 76 transitions. Second operand  has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2023-01-31 08:39:08,128 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:08,128 INFO  L93              Difference]: Finished difference Result 62 states and 81 transitions.
[2023-01-31 08:39:08,128 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-01-31 08:39:08,128 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44
[2023-01-31 08:39:08,130 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:08,131 INFO  L225             Difference]: With dead ends: 62
[2023-01-31 08:39:08,131 INFO  L226             Difference]: Without dead ends: 60
[2023-01-31 08:39:08,132 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-01-31 08:39:08,132 INFO  L413           NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:08,133 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 56 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:08,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-01-31 08:39:08,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-01-31 08:39:08,143 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 60 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 23 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23)
[2023-01-31 08:39:08,151 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions.
[2023-01-31 08:39:08,152 INFO  L78                 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 44
[2023-01-31 08:39:08,152 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:08,152 INFO  L495      AbstractCegarLoop]: Abstraction has 60 states and 79 transitions.
[2023-01-31 08:39:08,153 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2023-01-31 08:39:08,153 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions.
[2023-01-31 08:39:08,155 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2023-01-31 08:39:08,155 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:08,156 INFO  L195           NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:08,156 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-01-31 08:39:08,156 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:08,156 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:08,156 INFO  L85        PathProgramCache]: Analyzing trace with hash -896370565, now seen corresponding path program 1 times
[2023-01-31 08:39:08,156 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:08,157 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069194821]
[2023-01-31 08:39:08,157 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:08,157 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:08,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,263 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:08,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,266 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-01-31 08:39:08,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,274 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-01-31 08:39:08,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,283 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-01-31 08:39:08,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,298 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2023-01-31 08:39:08,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,302 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-01-31 08:39:08,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,310 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-01-31 08:39:08,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,312 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2023-01-31 08:39:08,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,324 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-01-31 08:39:08,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,342 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2023-01-31 08:39:08,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,344 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-01-31 08:39:08,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,347 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-01-31 08:39:08,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,350 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-01-31 08:39:08,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 353 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2023-01-31 08:39:08,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:08,353 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069194821]
[2023-01-31 08:39:08,353 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069194821] provided 0 perfect and 1 imperfect interpolant sequences
[2023-01-31 08:39:08,353 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032805329]
[2023-01-31 08:39:08,353 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:08,354 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-01-31 08:39:08,354 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/thread-witnesses/replication/UAutomizer-linux/z3
[2023-01-31 08:39:08,369 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-01-31 08:39:08,447 INFO  L327       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-01-31 08:39:08,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:08,480 INFO  L263         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-01-31 08:39:08,487 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-01-31 08:39:08,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 353 backedges. 184 proven. 7 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2023-01-31 08:39:08,606 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-01-31 08:39:08,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 353 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2023-01-31 08:39:08,742 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032805329] provided 0 perfect and 2 imperfect interpolant sequences
[2023-01-31 08:39:08,742 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-01-31 08:39:08,742 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7
[2023-01-31 08:39:08,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689378937]
[2023-01-31 08:39:08,743 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-01-31 08:39:08,743 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-01-31 08:39:08,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:08,744 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-01-31 08:39:08,744 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-01-31 08:39:08,744 INFO  L87              Difference]: Start difference. First operand 60 states and 79 transitions. Second operand  has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22)
[2023-01-31 08:39:08,835 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:08,835 INFO  L93              Difference]: Finished difference Result 126 states and 175 transitions.
[2023-01-31 08:39:08,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-01-31 08:39:08,836 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 78
[2023-01-31 08:39:08,837 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:08,849 INFO  L225             Difference]: With dead ends: 126
[2023-01-31 08:39:08,849 INFO  L226             Difference]: Without dead ends: 80
[2023-01-31 08:39:08,851 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-01-31 08:39:08,853 INFO  L413           NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:08,853 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:08,854 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2023-01-31 08:39:08,873 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2023-01-31 08:39:08,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 34 states have (on average 1.088235294117647) internal successors, (37), 35 states have internal predecessors, (37), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39)
[2023-01-31 08:39:08,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 115 transitions.
[2023-01-31 08:39:08,884 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 115 transitions. Word has length 78
[2023-01-31 08:39:08,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:08,885 INFO  L495      AbstractCegarLoop]: Abstraction has 80 states and 115 transitions.
[2023-01-31 08:39:08,885 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22)
[2023-01-31 08:39:08,885 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions.
[2023-01-31 08:39:08,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2023-01-31 08:39:08,891 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:08,891 INFO  L195           NwaCegarLoop]: trace histogram [22, 21, 21, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:08,899 INFO  L540       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-01-31 08:39:09,095 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2023-01-31 08:39:09,096 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:09,097 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:09,097 INFO  L85        PathProgramCache]: Analyzing trace with hash -1496774405, now seen corresponding path program 2 times
[2023-01-31 08:39:09,097 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:09,097 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645009872]
[2023-01-31 08:39:09,097 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:09,098 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:09,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,490 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:09,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,493 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-01-31 08:39:09,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,497 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-01-31 08:39:09,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,521 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-01-31 08:39:09,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,524 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2023-01-31 08:39:09,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,527 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-01-31 08:39:09,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,536 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-01-31 08:39:09,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,540 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2023-01-31 08:39:09,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,542 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-01-31 08:39:09,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,558 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2023-01-31 08:39:09,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,562 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-01-31 08:39:09,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,566 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-01-31 08:39:09,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,578 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2023-01-31 08:39:09,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,582 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72
[2023-01-31 08:39:09,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,599 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-01-31 08:39:09,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,602 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-01-31 08:39:09,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,605 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2023-01-31 08:39:09,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,607 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2023-01-31 08:39:09,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,612 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2023-01-31 08:39:09,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,617 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2023-01-31 08:39:09,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,619 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111
[2023-01-31 08:39:09,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 930 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked.
[2023-01-31 08:39:09,630 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:09,630 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645009872]
[2023-01-31 08:39:09,630 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645009872] provided 0 perfect and 1 imperfect interpolant sequences
[2023-01-31 08:39:09,630 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072463629]
[2023-01-31 08:39:09,630 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-01-31 08:39:09,630 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-01-31 08:39:09,631 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/thread-witnesses/replication/UAutomizer-linux/z3
[2023-01-31 08:39:09,648 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-01-31 08:39:09,685 INFO  L327       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-01-31 08:39:09,768 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-01-31 08:39:09,768 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-01-31 08:39:09,769 INFO  L263         TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 20 conjunts are in the unsatisfiable core
[2023-01-31 08:39:09,779 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-01-31 08:39:10,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 930 backedges. 49 proven. 41 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-01-31 08:39:10,216 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-01-31 08:39:10,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 930 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked.
[2023-01-31 08:39:10,430 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072463629] provided 1 perfect and 1 imperfect interpolant sequences
[2023-01-31 08:39:10,430 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2023-01-31 08:39:10,430 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 13] total 22
[2023-01-31 08:39:10,431 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034025803]
[2023-01-31 08:39:10,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:10,432 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-01-31 08:39:10,433 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:10,433 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-01-31 08:39:10,433 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462
[2023-01-31 08:39:10,433 INFO  L87              Difference]: Start difference. First operand 80 states and 115 transitions. Second operand  has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2023-01-31 08:39:10,537 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:10,537 INFO  L93              Difference]: Finished difference Result 86 states and 120 transitions.
[2023-01-31 08:39:10,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-01-31 08:39:10,537 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 120
[2023-01-31 08:39:10,540 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:10,541 INFO  L225             Difference]: With dead ends: 86
[2023-01-31 08:39:10,541 INFO  L226             Difference]: Without dead ends: 84
[2023-01-31 08:39:10,542 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 271 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552
[2023-01-31 08:39:10,542 INFO  L413           NwaCegarLoop]: 22 mSDtfsCounter, 9 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:10,543 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 57 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:10,544 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2023-01-31 08:39:10,572 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2023-01-31 08:39:10,572 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 38 states have internal predecessors, (40), 39 states have call successors, (39), 7 states have call predecessors, (39), 7 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39)
[2023-01-31 08:39:10,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions.
[2023-01-31 08:39:10,573 INFO  L78                 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 120
[2023-01-31 08:39:10,575 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:10,575 INFO  L495      AbstractCegarLoop]: Abstraction has 84 states and 118 transitions.
[2023-01-31 08:39:10,575 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2023-01-31 08:39:10,576 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions.
[2023-01-31 08:39:10,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-01-31 08:39:10,581 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:10,581 INFO  L195           NwaCegarLoop]: trace histogram [23, 22, 22, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:10,589 INFO  L540       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-01-31 08:39:10,785 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2023-01-31 08:39:10,786 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:10,786 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:10,786 INFO  L85        PathProgramCache]: Analyzing trace with hash -1777971090, now seen corresponding path program 3 times
[2023-01-31 08:39:10,787 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:10,787 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028748727]
[2023-01-31 08:39:10,787 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:10,787 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:10,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,094 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:11,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,097 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-01-31 08:39:11,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,099 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-01-31 08:39:11,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,116 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-01-31 08:39:11,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,118 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2023-01-31 08:39:11,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,120 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-01-31 08:39:11,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,123 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-01-31 08:39:11,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,125 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2023-01-31 08:39:11,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,127 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-01-31 08:39:11,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,131 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2023-01-31 08:39:11,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,133 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-01-31 08:39:11,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,143 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-01-31 08:39:11,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,145 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2023-01-31 08:39:11,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,147 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72
[2023-01-31 08:39:11,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,150 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-01-31 08:39:11,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,157 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-01-31 08:39:11,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,159 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2023-01-31 08:39:11,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,161 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2023-01-31 08:39:11,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,178 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2023-01-31 08:39:11,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,180 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2023-01-31 08:39:11,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,182 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111
[2023-01-31 08:39:11,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,185 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2023-01-31 08:39:11,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 1020 backedges. 48 proven. 48 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2023-01-31 08:39:11,189 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:11,189 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028748727]
[2023-01-31 08:39:11,189 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028748727] provided 0 perfect and 1 imperfect interpolant sequences
[2023-01-31 08:39:11,189 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085409053]
[2023-01-31 08:39:11,190 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-01-31 08:39:11,190 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-01-31 08:39:11,190 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/thread-witnesses/replication/UAutomizer-linux/z3
[2023-01-31 08:39:11,204 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-01-31 08:39:11,259 INFO  L327       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-01-31 08:39:11,281 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-01-31 08:39:11,282 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-01-31 08:39:11,282 INFO  L263         TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-01-31 08:39:11,288 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-01-31 08:39:11,384 INFO  L134       CoverageAnalysis]: Checked inductivity of 1020 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked.
[2023-01-31 08:39:11,384 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-01-31 08:39:11,384 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085409053] provided 1 perfect and 0 imperfect interpolant sequences
[2023-01-31 08:39:11,384 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-01-31 08:39:11,384 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16
[2023-01-31 08:39:11,385 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081906584]
[2023-01-31 08:39:11,385 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-01-31 08:39:11,385 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-01-31 08:39:11,385 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:11,386 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-01-31 08:39:11,386 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240
[2023-01-31 08:39:11,386 INFO  L87              Difference]: Start difference. First operand 84 states and 118 transitions. Second operand  has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2023-01-31 08:39:11,472 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:11,473 INFO  L93              Difference]: Finished difference Result 98 states and 129 transitions.
[2023-01-31 08:39:11,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-01-31 08:39:11,473 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 125
[2023-01-31 08:39:11,474 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:11,474 INFO  L225             Difference]: With dead ends: 98
[2023-01-31 08:39:11,474 INFO  L226             Difference]: Without dead ends: 96
[2023-01-31 08:39:11,475 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272
[2023-01-31 08:39:11,476 INFO  L413           NwaCegarLoop]: 26 mSDtfsCounter, 5 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:11,477 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 90 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-01-31 08:39:11,477 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2023-01-31 08:39:11,492 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2023-01-31 08:39:11,493 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 46 states have (on average 1.065217391304348) internal successors, (49), 47 states have internal predecessors, (49), 39 states have call successors, (39), 10 states have call predecessors, (39), 10 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39)
[2023-01-31 08:39:11,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions.
[2023-01-31 08:39:11,507 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 125
[2023-01-31 08:39:11,508 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:11,508 INFO  L495      AbstractCegarLoop]: Abstraction has 96 states and 127 transitions.
[2023-01-31 08:39:11,509 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2023-01-31 08:39:11,509 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions.
[2023-01-31 08:39:11,510 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2023-01-31 08:39:11,510 INFO  L187           NwaCegarLoop]: Found error trace
[2023-01-31 08:39:11,510 INFO  L195           NwaCegarLoop]: trace histogram [27, 26, 26, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:11,516 INFO  L540       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-01-31 08:39:11,713 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-01-31 08:39:11,714 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-01-31 08:39:11,714 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-01-31 08:39:11,714 INFO  L85        PathProgramCache]: Analyzing trace with hash 40082412, now seen corresponding path program 4 times
[2023-01-31 08:39:11,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-01-31 08:39:11,714 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113128236]
[2023-01-31 08:39:11,714 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-01-31 08:39:11,714 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-01-31 08:39:11,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,023 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-01-31 08:39:12,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,026 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-01-31 08:39:12,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,030 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-01-31 08:39:12,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,044 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-01-31 08:39:12,045 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,047 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2023-01-31 08:39:12,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,048 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-01-31 08:39:12,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,050 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2023-01-31 08:39:12,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,052 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2023-01-31 08:39:12,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,054 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-01-31 08:39:12,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,059 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2023-01-31 08:39:12,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,076 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2023-01-31 08:39:12,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,078 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-01-31 08:39:12,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,081 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2023-01-31 08:39:12,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,083 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72
[2023-01-31 08:39:12,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,085 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2023-01-31 08:39:12,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,087 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-01-31 08:39:12,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,088 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2023-01-31 08:39:12,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,090 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2023-01-31 08:39:12,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,092 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2023-01-31 08:39:12,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,098 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2023-01-31 08:39:12,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,101 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111
[2023-01-31 08:39:12,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,116 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2023-01-31 08:39:12,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,119 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2023-01-31 08:39:12,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,121 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2023-01-31 08:39:12,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,123 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2023-01-31 08:39:12,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,124 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2023-01-31 08:39:12,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 1429 backedges. 56 proven. 70 refuted. 0 times theorem prover too weak. 1303 trivial. 0 not checked.
[2023-01-31 08:39:12,129 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-01-31 08:39:12,129 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113128236]
[2023-01-31 08:39:12,130 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113128236] provided 0 perfect and 1 imperfect interpolant sequences
[2023-01-31 08:39:12,130 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332522706]
[2023-01-31 08:39:12,130 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-01-31 08:39:12,130 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-01-31 08:39:12,130 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/thread-witnesses/replication/UAutomizer-linux/z3
[2023-01-31 08:39:12,144 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-01-31 08:39:12,182 INFO  L327       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-01-31 08:39:12,255 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-01-31 08:39:12,256 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-01-31 08:39:12,257 INFO  L263         TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 18 conjunts are in the unsatisfiable core
[2023-01-31 08:39:12,277 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-01-31 08:39:12,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 1429 backedges. 77 proven. 52 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2023-01-31 08:39:12,503 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-01-31 08:39:12,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 1429 backedges. 52 proven. 73 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked.
[2023-01-31 08:39:12,791 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [332522706] provided 0 perfect and 2 imperfect interpolant sequences
[2023-01-31 08:39:12,791 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-01-31 08:39:12,791 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 23
[2023-01-31 08:39:12,791 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648256673]
[2023-01-31 08:39:12,792 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-01-31 08:39:12,793 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2023-01-31 08:39:12,793 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-01-31 08:39:12,794 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2023-01-31 08:39:12,794 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506
[2023-01-31 08:39:12,795 INFO  L87              Difference]: Start difference. First operand 96 states and 127 transitions. Second operand  has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 21 states have internal predecessors, (36), 13 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (50), 13 states have call predecessors, (50), 13 states have call successors, (50)
[2023-01-31 08:39:13,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-01-31 08:39:13,715 INFO  L93              Difference]: Finished difference Result 161 states and 233 transitions.
[2023-01-31 08:39:13,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2023-01-31 08:39:13,715 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 21 states have internal predecessors, (36), 13 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (50), 13 states have call predecessors, (50), 13 states have call successors, (50) Word has length 146
[2023-01-31 08:39:13,715 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-01-31 08:39:13,715 INFO  L225             Difference]: With dead ends: 161
[2023-01-31 08:39:13,715 INFO  L226             Difference]: Without dead ends: 0
[2023-01-31 08:39:13,717 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 329 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=441, Invalid=1199, Unknown=0, NotChecked=0, Total=1640
[2023-01-31 08:39:13,717 INFO  L413           NwaCegarLoop]: 69 mSDtfsCounter, 19 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-01-31 08:39:13,717 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 192 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-01-31 08:39:13,718 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-01-31 08:39:13,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-01-31 08:39:13,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-01-31 08:39:13,718 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-01-31 08:39:13,718 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146
[2023-01-31 08:39:13,718 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-01-31 08:39:13,718 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-01-31 08:39:13,718 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 21 states have internal predecessors, (36), 13 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (50), 13 states have call predecessors, (50), 13 states have call successors, (50)
[2023-01-31 08:39:13,718 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-01-31 08:39:13,718 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-01-31 08:39:13,720 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-01-31 08:39:13,731 INFO  L540       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-01-31 08:39:13,925 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /mnt/thread-witnesses/replication/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-01-31 08:39:13,929 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-01-31 08:39:14,730 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-01-31 08:39:14,730 INFO  L899   garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2023-01-31 08:39:14,731 INFO  L895   garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,731 INFO  L895   garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,731 INFO  L895   garLoopResultBuilder]: At program point L21(line 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,731 INFO  L895   garLoopResultBuilder]: At program point L21-1(line 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,731 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-01-31 08:39:14,731 INFO  L902   garLoopResultBuilder]: At program point main_returnLabel#1(lines 14 33) the Hoare annotation is: true
[2023-01-31 08:39:14,731 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-01-31 08:39:14,731 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-01-31 08:39:14,731 INFO  L895   garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,731 INFO  L895   garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,732 INFO  L895   garLoopResultBuilder]: At program point L24(lines 18 25) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|))) (.cse1 (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))) (or (and (= |ULTIMATE.start_main_~j~0#1| 0) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1)))
[2023-01-31 08:39:14,732 INFO  L895   garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,732 INFO  L895   garLoopResultBuilder]: At program point L18-2(lines 18 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|))
[2023-01-31 08:39:14,732 INFO  L895   garLoopResultBuilder]: At program point L16-2(lines 16 31) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= |ULTIMATE.start_main_~i~0#1| 4) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_main_~i~0#1| 0))
[2023-01-31 08:39:14,732 INFO  L899   garLoopResultBuilder]: For program point L16-3(lines 16 31) no Hoare annotation was computed.
[2023-01-31 08:39:14,732 INFO  L899   garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed.
[2023-01-31 08:39:14,732 INFO  L899   garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed.
[2023-01-31 08:39:14,732 INFO  L899   garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed.
[2023-01-31 08:39:14,732 INFO  L899   garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed.
[2023-01-31 08:39:14,732 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(line 13) the Hoare annotation is: true
[2023-01-31 08:39:14,732 INFO  L899   garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed.
[2023-01-31 08:39:14,735 INFO  L445         BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1]
[2023-01-31 08:39:14,750 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-01-31 08:39:14,762 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:39:14 BoogieIcfgContainer
[2023-01-31 08:39:14,763 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-01-31 08:39:14,763 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-01-31 08:39:14,763 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-01-31 08:39:14,763 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-01-31 08:39:14,764 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:39:05" (3/4) ...
[2023-01-31 08:39:14,766 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-01-31 08:39:14,784 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2023-01-31 08:39:14,787 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2023-01-31 08:39:14,788 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-01-31 08:39:14,788 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-01-31 08:39:14,788 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-01-31 08:39:14,840 INFO  L141         WitnessManager]: Wrote witness to /mnt/thread-witnesses/replication/UAutomizer-linux/witness.graphml
[2023-01-31 08:39:14,840 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-01-31 08:39:14,841 INFO  L158              Benchmark]: Toolchain (without parser) took 10034.63ms. Allocated memory is still 43.5MB. Free memory was 23.7MB in the beginning and 5.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.6MB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,841 INFO  L158              Benchmark]: CDTParser took 0.16ms. Allocated memory is still 33.1MB. Free memory was 14.2MB in the beginning and 14.1MB in the end (delta: 37.0kB). Peak memory consumption was 37.0kB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,841 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 341.47ms. Allocated memory is still 43.5MB. Free memory was 23.4MB in the beginning and 13.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.1MB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,841 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.65ms. Allocated memory is still 43.5MB. Free memory was 13.3MB in the beginning and 23.7MB in the end (delta: -10.4MB). Peak memory consumption was 1.1MB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,842 INFO  L158              Benchmark]: Boogie Preprocessor took 32.74ms. Allocated memory is still 43.5MB. Free memory was 23.7MB in the beginning and 22.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.2MB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,842 INFO  L158              Benchmark]: RCFGBuilder took 332.08ms. Allocated memory is still 43.5MB. Free memory was 22.5MB in the beginning and 13.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,843 INFO  L158              Benchmark]: TraceAbstraction took 9162.92ms. Allocated memory is still 43.5MB. Free memory was 12.6MB in the beginning and 7.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.8MB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,843 INFO  L158              Benchmark]: Witness Printer took 76.84ms. Allocated memory is still 43.5MB. Free memory was 7.8MB in the beginning and 5.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.7MB. Max. memory is 15.6GB.
[2023-01-31 08:39:14,845 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.16ms. Allocated memory is still 33.1MB. Free memory was 14.2MB in the beginning and 14.1MB in the end (delta: 37.0kB). Peak memory consumption was 37.0kB. Max. memory is 15.6GB.
 * CACSL2BoogieTranslator took 341.47ms. Allocated memory is still 43.5MB. Free memory was 23.4MB in the beginning and 13.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.1MB. Max. memory is 15.6GB.
 * Boogie Procedure Inliner took 36.65ms. Allocated memory is still 43.5MB. Free memory was 13.3MB in the beginning and 23.7MB in the end (delta: -10.4MB). Peak memory consumption was 1.1MB. Max. memory is 15.6GB.
 * Boogie Preprocessor took 32.74ms. Allocated memory is still 43.5MB. Free memory was 23.7MB in the beginning and 22.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.2MB. Max. memory is 15.6GB.
 * RCFGBuilder took 332.08ms. Allocated memory is still 43.5MB. Free memory was 22.5MB in the beginning and 13.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 15.6GB.
 * TraceAbstraction took 9162.92ms. Allocated memory is still 43.5MB. Free memory was 12.6MB in the beginning and 7.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.8MB. Max. memory is 15.6GB.
 * Witness Printer took 76.84ms. Allocated memory is still 43.5MB. Free memory was 7.8MB in the beginning and 5.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.7MB. Max. memory is 15.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 13]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 10, TraceHistogramMax: 27, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 858 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 538 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1123 IncrementalHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 320 mSDtfsCounter, 1123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1102 GetRequests, 984 SyntacticMatches, 10 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 125 PreInvPairs, 231 NumberOfFragments, 164 HoareAnnotationTreeSize, 125 FomulaSimplifications, 516 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 12 FomulaSimplificationsInter, 1844 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1052 NumberOfCodeBlocks, 947 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1379 ConstructedInterpolants, 0 QuantifiedInterpolants, 2364 SizeOfPredicates, 6 NumberOfNonLiveVariables, 778 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 9996/10307 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 14]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 16]: Loop Invariant
    Derived loop invariant: ((j <= 4 && i <= 4) && 0 <= i) || i == 0
  - InvariantResult [Line: 18]: Loop Invariant
    Derived loop invariant: ((j == 0 && i <= 3 + j) && j <= i) || (((j <= 4 && 1 <= j) && i <= 3 + j) && j <= i)
RESULT: Ultimate proved your program to be correct!
[2023-01-31 08:39:14,893 INFO  L552       MonitoredProcess]: [MP /mnt/thread-witnesses/replication/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
