./Ultimate.py --spec /mnt/goblint-svcomp/goblint-bench/bench/concrat/properties/no-data-race.prp --file /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i -s /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f0c3c9715b2a4e8b4ba7f68d625e0373bca387a3621e19de4956687f25c8206
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-10-27 12:51:41,494 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-10-27 12:51:41,496 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-10-27 12:51:41,543 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-10-27 12:51:41,543 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-10-27 12:51:41,545 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-10-27 12:51:41,547 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-10-27 12:51:41,560 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-10-27 12:51:41,562 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-10-27 12:51:41,566 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-10-27 12:51:41,567 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-10-27 12:51:41,568 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-10-27 12:51:41,569 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-10-27 12:51:41,571 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-10-27 12:51:41,572 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-10-27 12:51:41,573 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-10-27 12:51:41,574 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-10-27 12:51:41,574 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-10-27 12:51:41,575 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-10-27 12:51:41,579 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-10-27 12:51:41,580 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-10-27 12:51:41,581 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-10-27 12:51:41,582 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-10-27 12:51:41,598 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-10-27 12:51:41,603 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-10-27 12:51:41,603 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-10-27 12:51:41,604 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-10-27 12:51:41,605 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-10-27 12:51:41,605 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-10-27 12:51:41,606 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-10-27 12:51:41,606 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-10-27 12:51:41,607 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-10-27 12:51:41,608 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-10-27 12:51:41,608 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-10-27 12:51:41,609 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-10-27 12:51:41,610 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-10-27 12:51:41,610 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-10-27 12:51:41,611 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-10-27 12:51:41,611 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-10-27 12:51:41,612 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-10-27 12:51:41,612 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-10-27 12:51:41,613 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-10-27 12:51:41,649 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-10-27 12:51:41,649 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-10-27 12:51:41,649 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-10-27 12:51:41,650 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-10-27 12:51:41,650 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-10-27 12:51:41,651 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-10-27 12:51:41,651 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-10-27 12:51:41,651 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-10-27 12:51:41,651 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-10-27 12:51:41,651 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-10-27 12:51:41,652 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-10-27 12:51:41,652 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-10-27 12:51:41,653 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-10-27 12:51:41,653 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-10-27 12:51:41,653 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-10-27 12:51:41,653 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-10-27 12:51:41,653 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-10-27 12:51:41,653 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-10-27 12:51:41,654 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-10-27 12:51:41,654 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-10-27 12:51:41,654 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-10-27 12:51:41,654 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-10-27 12:51:41,654 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-10-27 12:51:41,654 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-10-27 12:51:41,655 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-10-27 12:51:41,655 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-10-27 12:51:41,655 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-27 12:51:41,655 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-10-27 12:51:41,659 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-10-27 12:51:41,659 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-10-27 12:51:41,659 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-10-27 12:51:41,660 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-10-27 12:51:41,660 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-10-27 12:51:41,661 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-10-27 12:51:41,661 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-10-27 12:51:41,661 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-10-27 12:51:41,661 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-10-27 12:51:41,661 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/goblint-svcomp/benchexec/tools-pldi/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/goblint-svcomp/benchexec/tools-pldi/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 ! data-race) )


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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f0c3c9715b2a4e8b4ba7f68d625e0373bca387a3621e19de4956687f25c8206
[2023-10-27 12:51:42,044 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-10-27 12:51:42,064 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-10-27 12:51:42,066 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-10-27 12:51:42,067 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-10-27 12:51:42,067 INFO  L275        PluginConnector]: CDTParser initialized
[2023-10-27 12:51:42,068 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i
[2023-10-27 12:51:43,755 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-10-27 12:51:44,161 INFO  L351              CDTParser]: Found 1 translation units.
[2023-10-27 12:51:44,161 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i
[2023-10-27 12:51:44,179 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/e9a3eab29/0a9fd42b4ac84523951251c66a43af27/FLAG22c4876ec
[2023-10-27 12:51:44,213 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/e9a3eab29/0a9fd42b4ac84523951251c66a43af27
[2023-10-27 12:51:44,215 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-10-27 12:51:44,216 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-10-27 12:51:44,217 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-10-27 12:51:44,217 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-10-27 12:51:44,219 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-10-27 12:51:44,220 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:51:44" (1/1) ...
[2023-10-27 12:51:44,228 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be4ac29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:44, skipping insertion in model container
[2023-10-27 12:51:44,229 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:51:44" (1/1) ...
[2023-10-27 12:51:44,255 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-10-27 12:51:44,310 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-10-27 12:51:44,586 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-10-27 12:51:44,858 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i[47865,47878]
[2023-10-27 12:51:44,906 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-27 12:51:44,919 INFO  L203         MainTranslator]: Completed pre-run
[2023-10-27 12:51:44,956 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-10-27 12:51:44,998 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i[47865,47878]
[2023-10-27 12:51:45,009 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-27 12:51:45,077 INFO  L208         MainTranslator]: Completed translation
[2023-10-27 12:51:45,093 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45 WrapperNode
[2023-10-27 12:51:45,094 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-10-27 12:51:45,095 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-10-27 12:51:45,095 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-10-27 12:51:45,095 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-10-27 12:51:45,101 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,120 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,181 INFO  L138                Inliner]: procedures = 273, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114
[2023-10-27 12:51:45,182 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-10-27 12:51:45,182 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-10-27 12:51:45,187 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-10-27 12:51:45,187 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-10-27 12:51:45,204 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,204 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,221 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,221 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,229 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,258 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,273 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,275 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,278 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-10-27 12:51:45,279 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-10-27 12:51:45,279 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-10-27 12:51:45,279 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-10-27 12:51:45,280 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (1/1) ...
[2023-10-27 12:51:45,284 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-27 12:51:45,325 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-10-27 12:51:45,352 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-10-27 12:51:45,375 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-10-27 12:51:45,383 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-10-27 12:51:45,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-10-27 12:51:45,383 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-10-27 12:51:45,383 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-10-27 12:51:45,384 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-10-27 12:51:45,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-10-27 12:51:45,384 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-10-27 12:51:45,384 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-10-27 12:51:45,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-10-27 12:51:45,385 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-10-27 12:51:45,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-10-27 12:51:45,385 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-10-27 12:51:45,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-10-27 12:51:45,386 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-10-27 12:51:45,615 INFO  L235             CfgBuilder]: Building ICFG
[2023-10-27 12:51:45,632 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-10-27 12:51:46,054 INFO  L276             CfgBuilder]: Performing block encoding
[2023-10-27 12:51:46,061 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-10-27 12:51:46,064 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-10-27 12:51:46,066 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:51:46 BoogieIcfgContainer
[2023-10-27 12:51:46,066 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-10-27 12:51:46,069 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-10-27 12:51:46,070 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-10-27 12:51:46,073 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-10-27 12:51:46,073 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:51:44" (1/3) ...
[2023-10-27 12:51:46,078 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c75ba42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:51:46, skipping insertion in model container
[2023-10-27 12:51:46,078 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:45" (2/3) ...
[2023-10-27 12:51:46,079 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c75ba42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:51:46, skipping insertion in model container
[2023-10-27 12:51:46,079 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:51:46" (3/3) ...
[2023-10-27 12:51:46,080 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-local-value.i
[2023-10-27 12:51:46,100 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-10-27 12:51:46,113 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-10-27 12:51:46,117 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-10-27 12:51:46,117 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-10-27 12:51:46,223 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-10-27 12:51:46,265 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 130 places, 134 transitions, 276 flow
[2023-10-27 12:51:46,376 INFO  L130       PetriNetUnfolder]: 9/180 cut-off events.
[2023-10-27 12:51:46,376 INFO  L131       PetriNetUnfolder]: For 1/2 co-relation queries the response was YES.
[2023-10-27 12:51:46,398 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 186 conditions, 180 events. 9/180 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 363 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. 
[2023-10-27 12:51:46,405 INFO  L82        GeneralOperation]: Start removeDead. Operand has 130 places, 134 transitions, 276 flow
[2023-10-27 12:51:46,413 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 130 places, 134 transitions, 276 flow
[2023-10-27 12:51:46,429 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-27 12:51:46,443 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 134 transitions, 276 flow
[2023-10-27 12:51:46,447 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 134 transitions, 276 flow
[2023-10-27 12:51:46,448 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 130 places, 134 transitions, 276 flow
[2023-10-27 12:51:46,539 INFO  L130       PetriNetUnfolder]: 9/180 cut-off events.
[2023-10-27 12:51:46,539 INFO  L131       PetriNetUnfolder]: For 1/2 co-relation queries the response was YES.
[2023-10-27 12:51:46,541 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 186 conditions, 180 events. 9/180 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 363 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. 
[2023-10-27 12:51:46,561 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4770
[2023-10-27 12:51:52,806 INFO  L134        LiptonReduction]: Checked pairs total: 4177
[2023-10-27 12:51:52,806 INFO  L136        LiptonReduction]: Total number of compositions: 152
[2023-10-27 12:51:52,824 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-27 12:51:52,847 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;@e9e296c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-27 12:51:52,847 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2023-10-27 12:51:52,849 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2023-10-27 12:51:52,849 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-27 12:51:52,850 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:51:52,850 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-10-27 12:51:52,851 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-10-27 12:51:52,856 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:51:52,856 INFO  L85        PathProgramCache]: Analyzing trace with hash 17078, now seen corresponding path program 1 times
[2023-10-27 12:51:52,881 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:51:52,882 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055966631]
[2023-10-27 12:51:52,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:51:52,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:51:53,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:51:53,159 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:51:53,173 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:51:53,174 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055966631]
[2023-10-27 12:51:53,174 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055966631] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:51:53,174 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:51:53,175 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-10-27 12:51:53,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641336766]
[2023-10-27 12:51:53,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:51:53,182 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-10-27 12:51:53,189 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:51:53,231 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-10-27 12:51:53,232 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-10-27 12:51:53,234 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 123 out of 286
[2023-10-27 12:51:53,237 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 19 transitions, 46 flow. Second operand  has 2 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 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)
[2023-10-27 12:51:53,237 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:51:53,237 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 286
[2023-10-27 12:51:53,242 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:51:53,303 INFO  L130       PetriNetUnfolder]: 6/25 cut-off events.
[2023-10-27 12:51:53,303 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-10-27 12:51:53,304 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 56 conditions, 25 events. 6/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 46 event pairs, 5 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 32. Up to 25 conditions per place. 
[2023-10-27 12:51:53,305 INFO  L137   encePairwiseOnDemand]: 278/286 looper letters, 5 selfloop transitions, 0 changer transitions 5/11 dead transitions.
[2023-10-27 12:51:53,305 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 50 flow
[2023-10-27 12:51:53,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-10-27 12:51:53,307 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-10-27 12:51:53,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 264 transitions.
[2023-10-27 12:51:53,320 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.46153846153846156
[2023-10-27 12:51:53,334 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 264 transitions.
[2023-10-27 12:51:53,334 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 264 transitions.
[2023-10-27 12:51:53,337 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:51:53,338 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 264 transitions.
[2023-10-27 12:51:53,341 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 132.0) internal successors, (264), 2 states have internal predecessors, (264), 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)
[2023-10-27 12:51:53,346 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 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)
[2023-10-27 12:51:53,346 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 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)
[2023-10-27 12:51:53,348 INFO  L175             Difference]: Start difference. First operand has 21 places, 19 transitions, 46 flow. Second operand 2 states and 264 transitions.
[2023-10-27 12:51:53,348 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 50 flow
[2023-10-27 12:51:53,350 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 11 transitions, 50 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-10-27 12:51:53,351 INFO  L231             Difference]: Finished difference. Result has 14 places, 6 transitions, 17 flow
[2023-10-27 12:51:53,353 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=14, PETRI_TRANSITIONS=6}
[2023-10-27 12:51:53,363 INFO  L288   CegarLoopForPetriNet]: 21 programPoint places, -7 predicate places.
[2023-10-27 12:51:53,364 INFO  L495      AbstractCegarLoop]: Abstraction has has 14 places, 6 transitions, 17 flow
[2023-10-27 12:51:53,364 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 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)
[2023-10-27 12:51:53,364 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:51:53,365 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2023-10-27 12:51:53,365 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-10-27 12:51:53,367 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-10-27 12:51:53,368 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:51:53,368 INFO  L85        PathProgramCache]: Analyzing trace with hash -1397869519, now seen corresponding path program 1 times
[2023-10-27 12:51:53,368 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:51:53,369 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707540481]
[2023-10-27 12:51:53,369 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:51:53,369 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:51:53,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:51:53,491 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-27 12:51:53,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:51:53,582 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-27 12:51:53,582 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-27 12:51:53,583 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining)
[2023-10-27 12:51:53,585 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining)
[2023-10-27 12:51:53,585 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining)
[2023-10-27 12:51:53,585 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining)
[2023-10-27 12:51:53,586 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining)
[2023-10-27 12:51:53,586 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining)
[2023-10-27 12:51:53,586 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining)
[2023-10-27 12:51:53,586 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining)
[2023-10-27 12:51:53,587 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining)
[2023-10-27 12:51:53,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining)
[2023-10-27 12:51:53,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining)
[2023-10-27 12:51:53,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining)
[2023-10-27 12:51:53,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining)
[2023-10-27 12:51:53,588 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-10-27 12:51:53,589 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-10-27 12:51:53,592 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-27 12:51:53,603 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-10-27 12:51:53,640 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-10-27 12:51:53,645 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 175 places, 181 transitions, 380 flow
[2023-10-27 12:51:53,722 INFO  L130       PetriNetUnfolder]: 17/323 cut-off events.
[2023-10-27 12:51:53,737 INFO  L131       PetriNetUnfolder]: For 6/8 co-relation queries the response was YES.
[2023-10-27 12:51:53,740 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 337 conditions, 323 events. 17/323 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 852 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 182. Up to 8 conditions per place. 
[2023-10-27 12:51:53,740 INFO  L82        GeneralOperation]: Start removeDead. Operand has 175 places, 181 transitions, 380 flow
[2023-10-27 12:51:53,742 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 175 places, 181 transitions, 380 flow
[2023-10-27 12:51:53,743 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-27 12:51:53,743 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 181 transitions, 380 flow
[2023-10-27 12:51:53,743 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 181 transitions, 380 flow
[2023-10-27 12:51:53,743 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 175 places, 181 transitions, 380 flow
[2023-10-27 12:51:53,795 INFO  L130       PetriNetUnfolder]: 17/323 cut-off events.
[2023-10-27 12:51:53,795 INFO  L131       PetriNetUnfolder]: For 6/8 co-relation queries the response was YES.
[2023-10-27 12:51:53,797 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 337 conditions, 323 events. 17/323 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 852 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 182. Up to 8 conditions per place. 
[2023-10-27 12:51:53,804 INFO  L119        LiptonReduction]: Number of co-enabled transitions 14760
[2023-10-27 12:51:58,822 INFO  L134        LiptonReduction]: Checked pairs total: 31780
[2023-10-27 12:51:58,822 INFO  L136        LiptonReduction]: Total number of compositions: 169
[2023-10-27 12:51:58,824 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-27 12:51:58,825 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;@e9e296c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-27 12:51:58,825 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 17 error locations.
[2023-10-27 12:51:58,826 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2023-10-27 12:51:58,826 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-27 12:51:58,826 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:51:58,826 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-10-27 12:51:58,826 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-10-27 12:51:58,826 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:51:58,826 INFO  L85        PathProgramCache]: Analyzing trace with hash 29872, now seen corresponding path program 1 times
[2023-10-27 12:51:58,826 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:51:58,827 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027979100]
[2023-10-27 12:51:58,827 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:51:58,827 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:51:58,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:51:58,876 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:51:58,890 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:51:58,890 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027979100]
[2023-10-27 12:51:58,890 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027979100] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:51:58,891 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:51:58,891 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-10-27 12:51:58,891 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8535842]
[2023-10-27 12:51:58,892 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:51:58,892 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-10-27 12:51:58,893 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:51:58,893 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-10-27 12:51:58,893 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-10-27 12:51:58,894 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 162 out of 350
[2023-10-27 12:51:58,896 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 136 flow. Second operand  has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 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)
[2023-10-27 12:51:58,897 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:51:58,897 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 350
[2023-10-27 12:51:58,897 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:51:59,380 INFO  L130       PetriNetUnfolder]: 1576/3076 cut-off events.
[2023-10-27 12:51:59,380 INFO  L131       PetriNetUnfolder]: For 73/73 co-relation queries the response was YES.
[2023-10-27 12:51:59,382 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5732 conditions, 3076 events. 1576/3076 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 19772 event pairs, 1562 based on Foata normal form. 310/2790 useless extension candidates. Maximal degree in co-relation 3509. Up to 2579 conditions per place. 
[2023-10-27 12:51:59,411 INFO  L137   encePairwiseOnDemand]: 341/350 looper letters, 33 selfloop transitions, 0 changer transitions 0/49 dead transitions.
[2023-10-27 12:51:59,412 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 49 transitions, 182 flow
[2023-10-27 12:51:59,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-10-27 12:51:59,412 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-10-27 12:51:59,414 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 366 transitions.
[2023-10-27 12:51:59,414 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5228571428571429
[2023-10-27 12:51:59,414 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 366 transitions.
[2023-10-27 12:51:59,414 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 366 transitions.
[2023-10-27 12:51:59,415 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:51:59,415 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 366 transitions.
[2023-10-27 12:51:59,416 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 183.0) internal successors, (366), 2 states have internal predecessors, (366), 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)
[2023-10-27 12:51:59,418 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 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)
[2023-10-27 12:51:59,419 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 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)
[2023-10-27 12:51:59,419 INFO  L175             Difference]: Start difference. First operand has 57 places, 59 transitions, 136 flow. Second operand 2 states and 366 transitions.
[2023-10-27 12:51:59,419 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 49 transitions, 182 flow
[2023-10-27 12:51:59,420 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 49 transitions, 182 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-10-27 12:51:59,421 INFO  L231             Difference]: Finished difference. Result has 53 places, 49 transitions, 116 flow
[2023-10-27 12:51:59,421 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=116, PETRI_PLACES=53, PETRI_TRANSITIONS=49}
[2023-10-27 12:51:59,422 INFO  L288   CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places.
[2023-10-27 12:51:59,422 INFO  L495      AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 116 flow
[2023-10-27 12:51:59,425 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 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)
[2023-10-27 12:51:59,425 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:51:59,425 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-10-27 12:51:59,425 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-10-27 12:51:59,426 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-10-27 12:51:59,426 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:51:59,426 INFO  L85        PathProgramCache]: Analyzing trace with hash 891032496, now seen corresponding path program 1 times
[2023-10-27 12:51:59,426 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:51:59,426 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31437008]
[2023-10-27 12:51:59,427 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:51:59,427 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:51:59,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:51:59,514 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:51:59,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:51:59,515 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31437008]
[2023-10-27 12:51:59,529 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31437008] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:51:59,529 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:51:59,530 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:51:59,530 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593857921]
[2023-10-27 12:51:59,530 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:51:59,531 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:51:59,531 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:51:59,531 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:51:59,531 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:51:59,564 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 142 out of 350
[2023-10-27 12:51:59,577 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 116 flow. Second operand  has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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)
[2023-10-27 12:51:59,580 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:51:59,580 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 350
[2023-10-27 12:51:59,580 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:52:00,375 INFO  L130       PetriNetUnfolder]: 3094/5349 cut-off events.
[2023-10-27 12:52:00,389 INFO  L131       PetriNetUnfolder]: For 102/102 co-relation queries the response was YES.
[2023-10-27 12:52:00,393 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10595 conditions, 5349 events. 3094/5349 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 32155 event pairs, 1127 based on Foata normal form. 0/4275 useless extension candidates. Maximal degree in co-relation 10590. Up to 4144 conditions per place. 
[2023-10-27 12:52:00,406 INFO  L137   encePairwiseOnDemand]: 330/350 looper letters, 66 selfloop transitions, 14 changer transitions 0/85 dead transitions.
[2023-10-27 12:52:00,421 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 85 transitions, 359 flow
[2023-10-27 12:52:00,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:52:00,423 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:52:00,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions.
[2023-10-27 12:52:00,424 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.4876190476190476
[2023-10-27 12:52:00,424 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 512 transitions.
[2023-10-27 12:52:00,424 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions.
[2023-10-27 12:52:00,424 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:52:00,424 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions.
[2023-10-27 12:52:00,425 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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)
[2023-10-27 12:52:00,427 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-10-27 12:52:00,428 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-10-27 12:52:00,428 INFO  L175             Difference]: Start difference. First operand has 53 places, 49 transitions, 116 flow. Second operand 3 states and 512 transitions.
[2023-10-27 12:52:00,428 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 85 transitions, 359 flow
[2023-10-27 12:52:00,430 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 85 transitions, 359 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-10-27 12:52:00,431 INFO  L231             Difference]: Finished difference. Result has 57 places, 63 transitions, 240 flow
[2023-10-27 12:52:00,436 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=57, PETRI_TRANSITIONS=63}
[2023-10-27 12:52:00,437 INFO  L288   CegarLoopForPetriNet]: 57 programPoint places, 0 predicate places.
[2023-10-27 12:52:00,437 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 63 transitions, 240 flow
[2023-10-27 12:52:00,438 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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)
[2023-10-27 12:52:00,438 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:52:00,438 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:52:00,438 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-10-27 12:52:00,438 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-10-27 12:52:00,439 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:52:00,439 INFO  L85        PathProgramCache]: Analyzing trace with hash 1715655336, now seen corresponding path program 1 times
[2023-10-27 12:52:00,439 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:52:00,439 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805438812]
[2023-10-27 12:52:00,439 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:52:00,439 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:52:00,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:52:00,513 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:52:00,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:52:00,514 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805438812]
[2023-10-27 12:52:00,514 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805438812] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:52:00,515 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:52:00,515 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:52:00,515 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511040339]
[2023-10-27 12:52:00,515 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:52:00,515 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:52:00,515 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:52:00,516 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:52:00,516 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:52:00,564 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 150 out of 350
[2023-10-27 12:52:00,565 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 63 transitions, 240 flow. Second operand  has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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)
[2023-10-27 12:52:00,565 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:52:00,565 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 350
[2023-10-27 12:52:00,565 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:52:01,398 INFO  L130       PetriNetUnfolder]: 3138/5421 cut-off events.
[2023-10-27 12:52:01,399 INFO  L131       PetriNetUnfolder]: For 1361/1397 co-relation queries the response was YES.
[2023-10-27 12:52:01,412 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 13025 conditions, 5421 events. 3138/5421 cut-off events. For 1361/1397 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 32646 event pairs, 2442 based on Foata normal form. 18/4345 useless extension candidates. Maximal degree in co-relation 13018. Up to 4857 conditions per place. 
[2023-10-27 12:52:01,442 INFO  L137   encePairwiseOnDemand]: 343/350 looper letters, 64 selfloop transitions, 9 changer transitions 2/87 dead transitions.
[2023-10-27 12:52:01,449 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 87 transitions, 478 flow
[2023-10-27 12:52:01,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:52:01,450 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:52:01,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 511 transitions.
[2023-10-27 12:52:01,451 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.4866666666666667
[2023-10-27 12:52:01,451 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 511 transitions.
[2023-10-27 12:52:01,451 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 511 transitions.
[2023-10-27 12:52:01,451 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:52:01,451 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 511 transitions.
[2023-10-27 12:52:01,452 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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)
[2023-10-27 12:52:01,454 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-10-27 12:52:01,455 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-10-27 12:52:01,459 INFO  L175             Difference]: Start difference. First operand has 57 places, 63 transitions, 240 flow. Second operand 3 states and 511 transitions.
[2023-10-27 12:52:01,460 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 87 transitions, 478 flow
[2023-10-27 12:52:01,478 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 87 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:52:01,480 INFO  L231             Difference]: Finished difference. Result has 58 places, 70 transitions, 281 flow
[2023-10-27 12:52:01,480 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=58, PETRI_TRANSITIONS=70}
[2023-10-27 12:52:01,481 INFO  L288   CegarLoopForPetriNet]: 57 programPoint places, 1 predicate places.
[2023-10-27 12:52:01,481 INFO  L495      AbstractCegarLoop]: Abstraction has has 58 places, 70 transitions, 281 flow
[2023-10-27 12:52:01,482 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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)
[2023-10-27 12:52:01,482 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:52:01,482 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2023-10-27 12:52:01,482 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-10-27 12:52:01,482 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-10-27 12:52:01,483 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:52:01,483 INFO  L85        PathProgramCache]: Analyzing trace with hash -891123475, now seen corresponding path program 1 times
[2023-10-27 12:52:01,483 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:52:01,483 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218605432]
[2023-10-27 12:52:01,483 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:52:01,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:52:01,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:52:01,542 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-27 12:52:01,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:52:01,583 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-27 12:52:01,583 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-27 12:52:01,583 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining)
[2023-10-27 12:52:01,584 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining)
[2023-10-27 12:52:01,584 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining)
[2023-10-27 12:52:01,584 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining)
[2023-10-27 12:52:01,584 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining)
[2023-10-27 12:52:01,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining)
[2023-10-27 12:52:01,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining)
[2023-10-27 12:52:01,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining)
[2023-10-27 12:52:01,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining)
[2023-10-27 12:52:01,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining)
[2023-10-27 12:52:01,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining)
[2023-10-27 12:52:01,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining)
[2023-10-27 12:52:01,590 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining)
[2023-10-27 12:52:01,591 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining)
[2023-10-27 12:52:01,591 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining)
[2023-10-27 12:52:01,591 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining)
[2023-10-27 12:52:01,591 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining)
[2023-10-27 12:52:01,592 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-10-27 12:52:01,592 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-10-27 12:52:01,592 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-27 12:52:01,593 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2023-10-27 12:52:01,640 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-10-27 12:52:01,643 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 220 places, 228 transitions, 486 flow
[2023-10-27 12:52:01,826 INFO  L130       PetriNetUnfolder]: 30/545 cut-off events.
[2023-10-27 12:52:01,841 INFO  L131       PetriNetUnfolder]: For 19/22 co-relation queries the response was YES.
[2023-10-27 12:52:01,843 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 573 conditions, 545 events. 30/545 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1807 event pairs, 1 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 331. Up to 16 conditions per place. 
[2023-10-27 12:52:01,843 INFO  L82        GeneralOperation]: Start removeDead. Operand has 220 places, 228 transitions, 486 flow
[2023-10-27 12:52:01,847 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 220 places, 228 transitions, 486 flow
[2023-10-27 12:52:01,847 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-27 12:52:01,847 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 228 transitions, 486 flow
[2023-10-27 12:52:01,848 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 228 transitions, 486 flow
[2023-10-27 12:52:01,848 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 220 places, 228 transitions, 486 flow
[2023-10-27 12:52:01,942 INFO  L130       PetriNetUnfolder]: 30/545 cut-off events.
[2023-10-27 12:52:01,957 INFO  L131       PetriNetUnfolder]: For 19/22 co-relation queries the response was YES.
[2023-10-27 12:52:01,959 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 573 conditions, 545 events. 30/545 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1807 event pairs, 1 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 331. Up to 16 conditions per place. 
[2023-10-27 12:52:01,987 INFO  L119        LiptonReduction]: Number of co-enabled transitions 28620
[2023-10-27 12:52:07,323 INFO  L134        LiptonReduction]: Checked pairs total: 69159
[2023-10-27 12:52:07,323 INFO  L136        LiptonReduction]: Total number of compositions: 207
[2023-10-27 12:52:07,325 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-27 12:52:07,325 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;@e9e296c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-27 12:52:07,325 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2023-10-27 12:52:07,326 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2023-10-27 12:52:07,326 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-27 12:52:07,326 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:52:07,326 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-10-27 12:52:07,326 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-10-27 12:52:07,327 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:52:07,327 INFO  L85        PathProgramCache]: Analyzing trace with hash 45270, now seen corresponding path program 1 times
[2023-10-27 12:52:07,327 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:52:07,327 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233766599]
[2023-10-27 12:52:07,327 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:52:07,327 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:52:07,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:52:07,360 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:52:07,360 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:52:07,361 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233766599]
[2023-10-27 12:52:07,361 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233766599] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:52:07,361 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:52:07,361 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-10-27 12:52:07,361 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698858308]
[2023-10-27 12:52:07,361 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:52:07,362 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-10-27 12:52:07,362 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:52:07,363 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-10-27 12:52:07,363 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-10-27 12:52:07,363 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 201 out of 435
[2023-10-27 12:52:07,364 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 81 transitions, 192 flow. Second operand  has 2 states, 2 states have (on average 202.0) internal successors, (404), 2 states have internal predecessors, (404), 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)
[2023-10-27 12:52:07,377 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:52:07,377 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 435
[2023-10-27 12:52:07,377 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:52:12,283 INFO  L130       PetriNetUnfolder]: 23953/39373 cut-off events.
[2023-10-27 12:52:12,283 INFO  L131       PetriNetUnfolder]: For 1592/1592 co-relation queries the response was YES.
[2023-10-27 12:52:12,337 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 74350 conditions, 39373 events. 23953/39373 cut-off events. For 1592/1592 co-relation queries the response was YES. Maximal size of possible extension queue 1157. Compared 318318 event pairs, 23784 based on Foata normal form. 4222/35144 useless extension candidates. Maximal degree in co-relation 24724. Up to 33889 conditions per place. 
[2023-10-27 12:52:12,728 INFO  L137   encePairwiseOnDemand]: 423/435 looper letters, 43 selfloop transitions, 0 changer transitions 0/68 dead transitions.
[2023-10-27 12:52:12,729 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 68 transitions, 252 flow
[2023-10-27 12:52:12,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-10-27 12:52:12,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-10-27 12:52:12,748 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions.
[2023-10-27 12:52:12,749 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5252873563218391
[2023-10-27 12:52:12,751 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 457 transitions.
[2023-10-27 12:52:12,751 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions.
[2023-10-27 12:52:12,752 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:52:12,752 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions.
[2023-10-27 12:52:12,755 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 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)
[2023-10-27 12:52:12,757 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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)
[2023-10-27 12:52:12,758 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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)
[2023-10-27 12:52:12,758 INFO  L175             Difference]: Start difference. First operand has 77 places, 81 transitions, 192 flow. Second operand 2 states and 457 transitions.
[2023-10-27 12:52:12,758 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 68 transitions, 252 flow
[2023-10-27 12:52:12,760 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 68 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-10-27 12:52:12,761 INFO  L231             Difference]: Finished difference. Result has 73 places, 68 transitions, 166 flow
[2023-10-27 12:52:12,761 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=166, PETRI_PLACES=73, PETRI_TRANSITIONS=68}
[2023-10-27 12:52:12,763 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, -4 predicate places.
[2023-10-27 12:52:12,763 INFO  L495      AbstractCegarLoop]: Abstraction has has 73 places, 68 transitions, 166 flow
[2023-10-27 12:52:12,764 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 202.0) internal successors, (404), 2 states have internal predecessors, (404), 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)
[2023-10-27 12:52:12,764 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:52:12,764 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-10-27 12:52:12,764 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-10-27 12:52:12,764 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-10-27 12:52:12,764 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:52:12,765 INFO  L85        PathProgramCache]: Analyzing trace with hash 1349777183, now seen corresponding path program 1 times
[2023-10-27 12:52:12,765 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:52:12,766 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74918221]
[2023-10-27 12:52:12,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:52:12,766 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:52:12,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:52:12,810 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:52:12,810 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:52:12,810 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74918221]
[2023-10-27 12:52:12,810 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74918221] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:52:12,810 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:52:12,810 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:52:12,811 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481478454]
[2023-10-27 12:52:12,811 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:52:12,811 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:52:12,811 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:52:12,811 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:52:12,812 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:52:12,861 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 171 out of 435
[2023-10-27 12:52:12,862 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 166 flow. Second operand  has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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)
[2023-10-27 12:52:12,862 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:52:12,862 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 435
[2023-10-27 12:52:12,863 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:52:20,837 INFO  L130       PetriNetUnfolder]: 65469/102408 cut-off events.
[2023-10-27 12:52:20,837 INFO  L131       PetriNetUnfolder]: For 3105/3105 co-relation queries the response was YES.
[2023-10-27 12:52:20,981 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 200050 conditions, 102408 events. 65469/102408 cut-off events. For 3105/3105 co-relation queries the response was YES. Maximal size of possible extension queue 2625. Compared 832379 event pairs, 31491 based on Foata normal form. 0/80841 useless extension candidates. Maximal degree in co-relation 200044. Up to 81861 conditions per place. 
[2023-10-27 12:52:21,637 INFO  L137   encePairwiseOnDemand]: 405/435 looper letters, 84 selfloop transitions, 21 changer transitions 0/115 dead transitions.
[2023-10-27 12:52:21,637 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 115 transitions, 491 flow
[2023-10-27 12:52:21,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:52:21,638 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:52:21,640 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions.
[2023-10-27 12:52:21,641 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.4804597701149425
[2023-10-27 12:52:21,641 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 627 transitions.
[2023-10-27 12:52:21,641 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions.
[2023-10-27 12:52:21,641 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:52:21,649 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions.
[2023-10-27 12:52:21,652 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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)
[2023-10-27 12:52:21,669 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-10-27 12:52:21,670 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-10-27 12:52:21,670 INFO  L175             Difference]: Start difference. First operand has 73 places, 68 transitions, 166 flow. Second operand 3 states and 627 transitions.
[2023-10-27 12:52:21,670 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 115 transitions, 491 flow
[2023-10-27 12:52:21,672 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 115 transitions, 491 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-10-27 12:52:21,673 INFO  L231             Difference]: Finished difference. Result has 77 places, 89 transitions, 352 flow
[2023-10-27 12:52:21,674 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=77, PETRI_TRANSITIONS=89}
[2023-10-27 12:52:21,674 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, 0 predicate places.
[2023-10-27 12:52:21,674 INFO  L495      AbstractCegarLoop]: Abstraction has has 77 places, 89 transitions, 352 flow
[2023-10-27 12:52:21,675 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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)
[2023-10-27 12:52:21,675 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:52:21,675 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:52:21,675 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-10-27 12:52:21,675 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-10-27 12:52:21,689 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:52:21,689 INFO  L85        PathProgramCache]: Analyzing trace with hash 2078180305, now seen corresponding path program 1 times
[2023-10-27 12:52:21,689 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:52:21,690 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776006392]
[2023-10-27 12:52:21,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:52:21,690 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:52:21,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:52:21,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:52:21,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:52:21,724 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776006392]
[2023-10-27 12:52:21,724 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776006392] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:52:21,726 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:52:21,726 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:52:21,726 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542918385]
[2023-10-27 12:52:21,726 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:52:21,727 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:52:21,727 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:52:21,727 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:52:21,727 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:52:21,786 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 185 out of 435
[2023-10-27 12:52:21,787 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 89 transitions, 352 flow. Second operand  has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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)
[2023-10-27 12:52:21,787 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:52:21,787 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 435
[2023-10-27 12:52:21,787 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:52:30,564 INFO  L130       PetriNetUnfolder]: 76511/118481 cut-off events.
[2023-10-27 12:52:30,564 INFO  L131       PetriNetUnfolder]: For 46787/47988 co-relation queries the response was YES.
[2023-10-27 12:52:32,147 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 293084 conditions, 118481 events. 76511/118481 cut-off events. For 46787/47988 co-relation queries the response was YES. Maximal size of possible extension queue 3083. Compared 970986 event pairs, 51857 based on Foata normal form. 54/95470 useless extension candidates. Maximal degree in co-relation 293076. Up to 91856 conditions per place. 
[2023-10-27 12:52:32,644 INFO  L137   encePairwiseOnDemand]: 423/435 looper letters, 90 selfloop transitions, 21 changer transitions 0/136 dead transitions.
[2023-10-27 12:52:32,644 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 136 transitions, 764 flow
[2023-10-27 12:52:32,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:52:32,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:52:32,662 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions.
[2023-10-27 12:52:32,663 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.48812260536398466
[2023-10-27 12:52:32,663 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 637 transitions.
[2023-10-27 12:52:32,663 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 637 transitions.
[2023-10-27 12:52:32,663 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:52:32,664 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 637 transitions.
[2023-10-27 12:52:32,665 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 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)
[2023-10-27 12:52:32,667 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-10-27 12:52:32,680 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-10-27 12:52:32,681 INFO  L175             Difference]: Start difference. First operand has 77 places, 89 transitions, 352 flow. Second operand 3 states and 637 transitions.
[2023-10-27 12:52:32,681 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 136 transitions, 764 flow
[2023-10-27 12:52:33,006 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 136 transitions, 696 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:52:33,009 INFO  L231             Difference]: Finished difference. Result has 79 places, 108 transitions, 508 flow
[2023-10-27 12:52:33,009 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=79, PETRI_TRANSITIONS=108}
[2023-10-27 12:52:33,010 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, 2 predicate places.
[2023-10-27 12:52:33,010 INFO  L495      AbstractCegarLoop]: Abstraction has has 79 places, 108 transitions, 508 flow
[2023-10-27 12:52:33,011 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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)
[2023-10-27 12:52:33,011 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:52:33,011 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:52:33,011 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-10-27 12:52:33,011 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-10-27 12:52:33,012 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:52:33,012 INFO  L85        PathProgramCache]: Analyzing trace with hash 156438990, now seen corresponding path program 1 times
[2023-10-27 12:52:33,012 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:52:33,012 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165863947]
[2023-10-27 12:52:33,012 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:52:33,012 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:52:33,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:52:33,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-10-27 12:52:33,086 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:52:33,087 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165863947]
[2023-10-27 12:52:33,087 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165863947] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:52:33,087 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:52:33,087 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:52:33,088 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318045235]
[2023-10-27 12:52:33,088 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:52:33,088 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:52:33,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:52:33,089 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:52:33,089 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:52:33,141 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 185 out of 435
[2023-10-27 12:52:33,142 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 108 transitions, 508 flow. Second operand  has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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)
[2023-10-27 12:52:33,142 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:52:33,142 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 435
[2023-10-27 12:52:33,143 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:52:44,413 INFO  L130       PetriNetUnfolder]: 89228/136200 cut-off events.
[2023-10-27 12:52:44,413 INFO  L131       PetriNetUnfolder]: For 116635/124466 co-relation queries the response was YES.
[2023-10-27 12:52:44,854 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 374607 conditions, 136200 events. 89228/136200 cut-off events. For 116635/124466 co-relation queries the response was YES. Maximal size of possible extension queue 3669. Compared 1118184 event pairs, 56394 based on Foata normal form. 1511/109057 useless extension candidates. Maximal degree in co-relation 374598. Up to 107628 conditions per place. 
[2023-10-27 12:52:45,276 INFO  L137   encePairwiseOnDemand]: 423/435 looper letters, 99 selfloop transitions, 33 changer transitions 0/158 dead transitions.
[2023-10-27 12:52:45,277 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 158 transitions, 1013 flow
[2023-10-27 12:52:45,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:52:45,277 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:52:45,279 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions.
[2023-10-27 12:52:45,279 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.48582375478927203
[2023-10-27 12:52:45,279 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 634 transitions.
[2023-10-27 12:52:45,280 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions.
[2023-10-27 12:52:45,280 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:52:45,280 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions.
[2023-10-27 12:52:45,301 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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)
[2023-10-27 12:52:45,303 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-10-27 12:52:45,304 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-10-27 12:52:45,304 INFO  L175             Difference]: Start difference. First operand has 79 places, 108 transitions, 508 flow. Second operand 3 states and 634 transitions.
[2023-10-27 12:52:45,304 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 158 transitions, 1013 flow
[2023-10-27 12:52:47,496 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 158 transitions, 947 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:52:47,510 INFO  L231             Difference]: Finished difference. Result has 81 places, 135 transitions, 804 flow
[2023-10-27 12:52:47,511 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=81, PETRI_TRANSITIONS=135}
[2023-10-27 12:52:47,516 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, 4 predicate places.
[2023-10-27 12:52:47,516 INFO  L495      AbstractCegarLoop]: Abstraction has has 81 places, 135 transitions, 804 flow
[2023-10-27 12:52:47,516 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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)
[2023-10-27 12:52:47,517 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:52:47,517 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:52:47,517 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-10-27 12:52:47,517 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-10-27 12:52:47,517 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:52:47,517 INFO  L85        PathProgramCache]: Analyzing trace with hash 921503190, now seen corresponding path program 1 times
[2023-10-27 12:52:47,518 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:52:47,518 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906939787]
[2023-10-27 12:52:47,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:52:47,518 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:52:47,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:52:47,552 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-27 12:52:47,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:52:47,584 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-27 12:52:47,588 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-27 12:52:47,588 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining)
[2023-10-27 12:52:47,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining)
[2023-10-27 12:52:47,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining)
[2023-10-27 12:52:47,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining)
[2023-10-27 12:52:47,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining)
[2023-10-27 12:52:47,592 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 21 remaining)
[2023-10-27 12:52:47,592 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining)
[2023-10-27 12:52:47,592 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining)
[2023-10-27 12:52:47,592 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining)
[2023-10-27 12:52:47,593 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining)
[2023-10-27 12:52:47,594 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining)
[2023-10-27 12:52:47,594 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining)
[2023-10-27 12:52:47,594 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining)
[2023-10-27 12:52:47,594 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining)
[2023-10-27 12:52:47,594 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-10-27 12:52:47,594 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-10-27 12:52:47,599 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances
[2023-10-27 12:52:47,599 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-10-27 12:52:47,656 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:52:47 BasicIcfg
[2023-10-27 12:52:47,657 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-10-27 12:52:47,657 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-10-27 12:52:47,657 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-10-27 12:52:47,657 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-10-27 12:52:47,658 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:51:46" (3/4) ...
[2023-10-27 12:52:47,660 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-10-27 12:52:47,660 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-10-27 12:52:47,660 INFO  L158              Benchmark]: Toolchain (without parser) took 63443.69ms. Allocated memory was 45.3MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 14.2MB in the beginning and 752.6MB in the end (delta: -738.4MB). Peak memory consumption was 806.4MB. Max. memory is 15.6GB.
[2023-10-27 12:52:47,660 INFO  L158              Benchmark]: CDTParser took 0.15ms. Allocated memory is still 41.4MB. Free memory was 16.3MB in the beginning and 16.3MB in the end (delta: 32.7kB). Peak memory consumption was 32.7kB. Max. memory is 15.6GB.
[2023-10-27 12:52:47,661 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 876.81ms. Allocated memory is still 45.3MB. Free memory was 14.0MB in the beginning and 19.2MB in the end (delta: -5.2MB). Peak memory consumption was 4.9MB. Max. memory is 15.6GB.
[2023-10-27 12:52:47,661 INFO  L158              Benchmark]: Boogie Procedure Inliner took 87.02ms. Allocated memory is still 45.3MB. Free memory was 19.0MB in the beginning and 16.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.5MB. Max. memory is 15.6GB.
[2023-10-27 12:52:47,661 INFO  L158              Benchmark]: Boogie Preprocessor took 95.78ms. Allocated memory is still 45.3MB. Free memory was 16.5MB in the beginning and 14.6MB in the end (delta: 1.9MB). Peak memory consumption was 1.9MB. Max. memory is 15.6GB.
[2023-10-27 12:52:47,662 INFO  L158              Benchmark]: RCFGBuilder took 787.04ms. Allocated memory is still 45.3MB. Free memory was 14.4MB in the beginning and 9.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.6MB. Max. memory is 15.6GB.
[2023-10-27 12:52:47,662 INFO  L158              Benchmark]: TraceAbstraction took 61587.21ms. Allocated memory was 45.3MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 8.8MB in the beginning and 752.6MB in the end (delta: -743.9MB). Peak memory consumption was 800.9MB. Max. memory is 15.6GB.
[2023-10-27 12:52:47,662 INFO  L158              Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 1.6GB. Free memory is still 752.6MB. There was no memory consumed. Max. memory is 15.6GB.
[2023-10-27 12:52:47,665 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.15ms. Allocated memory is still 41.4MB. Free memory was 16.3MB in the beginning and 16.3MB in the end (delta: 32.7kB). Peak memory consumption was 32.7kB. Max. memory is 15.6GB.
 * CACSL2BoogieTranslator took 876.81ms. Allocated memory is still 45.3MB. Free memory was 14.0MB in the beginning and 19.2MB in the end (delta: -5.2MB). Peak memory consumption was 4.9MB. Max. memory is 15.6GB.
 * Boogie Procedure Inliner took 87.02ms. Allocated memory is still 45.3MB. Free memory was 19.0MB in the beginning and 16.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.5MB. Max. memory is 15.6GB.
 * Boogie Preprocessor took 95.78ms. Allocated memory is still 45.3MB. Free memory was 16.5MB in the beginning and 14.6MB in the end (delta: 1.9MB). Peak memory consumption was 1.9MB. Max. memory is 15.6GB.
 * RCFGBuilder took 787.04ms. Allocated memory is still 45.3MB. Free memory was 14.4MB in the beginning and 9.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.6MB. Max. memory is 15.6GB.
 * TraceAbstraction took 61587.21ms. Allocated memory was 45.3MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 8.8MB in the beginning and 752.6MB in the end (delta: -743.9MB). Peak memory consumption was 800.9MB. Max. memory is 15.6GB.
 * Witness Printer took 2.71ms. Allocated memory is still 1.6GB. Free memory is still 752.6MB. There was no memory consumed. Max. memory is 15.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 6.4s, 130 PlacesBefore, 21 PlacesAfterwards, 134 TransitionsBefore, 19 TransitionsAfterwards, 4770 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 152 TotalNumberOfCompositions, 4177 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4177, independent: 4177, independent conditional: 0, independent unconditional: 4177, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2535, independent: 2535, independent conditional: 0, independent unconditional: 2535, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4177, independent: 1642, independent conditional: 0, independent unconditional: 1642, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2535, unknown conditional: 0, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 5.1s, 175 PlacesBefore, 57 PlacesAfterwards, 181 TransitionsBefore, 59 TransitionsAfterwards, 14760 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 109 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 25 ConcurrentYvCompositions, 4 ChoiceCompositions, 169 TotalNumberOfCompositions, 31780 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18181, independent: 17790, independent conditional: 0, independent unconditional: 17790, dependent: 391, dependent conditional: 0, dependent unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8649, independent: 8566, independent conditional: 0, independent unconditional: 8566, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18181, independent: 9224, independent conditional: 0, independent unconditional: 9224, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 8649, unknown conditional: 0, unknown unconditional: 8649] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 599, Positive conditional cache size: 0, Positive unconditional cache size: 599, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 5.5s, 220 PlacesBefore, 77 PlacesAfterwards, 228 TransitionsBefore, 81 TransitionsAfterwards, 28620 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 138 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 33 ConcurrentYvCompositions, 4 ChoiceCompositions, 207 TotalNumberOfCompositions, 69159 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28989, independent: 28410, independent conditional: 0, independent unconditional: 28410, dependent: 579, dependent conditional: 0, dependent unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15379, independent: 15267, independent conditional: 0, independent unconditional: 15267, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28989, independent: 13143, independent conditional: 0, independent unconditional: 13143, dependent: 467, dependent conditional: 0, dependent unconditional: 467, unknown: 15379, unknown conditional: 0, unknown unconditional: 15379] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 681, Positive conditional cache size: 0, Positive unconditional cache size: 681, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - DataRaceFoundResult [Line: 1032]: Data race detected
    Data race detected
The following path leads to a data race: 
[L1030]               0  int data = 0;
[L1039]               0  int threads_total = __VERIFIER_nondet_int();
[L1040]  CALL         0  assume_abort_if_not(threads_total >= 0)
[L1010]  COND FALSE   0  !(!cond)
[L1040]  RET          0  assume_abort_if_not(threads_total >= 0)
[L1041]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1041]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1042]               0  int i = 0;
         VAL             [data=0, i=0, threads_total=2, tids={5:0}]
[L1042]  COND TRUE    0  i < threads_total
[L1043]  EXPR         0  \read(*tids)
[L1043]  EXPR         0  tids[i]
[L1043]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-3:0}, data=0, i=0, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=-2, threads_total=2, tids={5:0}]
[L1042]               0  i++
         VAL             [data=0, i=1, threads_total=2, tids={5:0}]
[L1042]  COND TRUE    0  i < threads_total
[L1043]  EXPR         0  \read(*tids)
[L1043]  EXPR         0  tids[i]
[L1032]  EXPR         1  data == 0
         VAL             [arg={0:0}, arg={0:0}, data=0]
[L1032]  CALL         1  __VERIFIER_assert(data == 0)
[L1024]  COND FALSE   1  !(!(cond))
[L1032]  RET          1  __VERIFIER_assert(data == 0)
[L1043]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-3:0}, data=0, i=1, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=-1, threads_total=2, tids={5:0}]
[L1032]               2  data == 0
         VAL             [arg={0:0}, arg={0:0}, data=0]
[L1033]               1  data = 1
         VAL             [arg={0:0}, arg={0:0}, data=1, data = 1=51]
[L1032]               2  data == 0
         VAL             [arg={0:0}, arg={0:0}, data=1, data = 1=51]

Now there is a data race on ~data~0 between 
	C: data = 1 [1033]
and
	C: data == 0 [1032]

  - UnprovableResult [Line: 1043]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1046]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1048]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1046]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1043]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1033]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1034]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1035]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 171 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 1 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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
  - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
    CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.9s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 13 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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
  - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances
    CFG has 5 procedures, 257 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 46.0s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 40.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 521 IncrementalHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 38 mSDtfsCounter, 521 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=804occurred in iteration=4, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 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
RESULT: Ultimate proved your program to be incorrect!
[2023-10-27 12:52:47,755 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
