/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i


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


This is Ultimate 0.2.2-wip.dk.orders-218013a
[2023-05-04 05:30:22,001 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-05-04 05:30:22,003 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-05-04 05:30:22,041 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-05-04 05:30:22,041 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-05-04 05:30:22,045 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-05-04 05:30:22,046 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2023-05-04 05:30:22,050 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2023-05-04 05:30:22,053 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-05-04 05:30:22,053 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-05-04 05:30:22,054 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-05-04 05:30:22,055 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-05-04 05:30:22,056 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-05-04 05:30:22,056 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-05-04 05:30:22,057 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-05-04 05:30:22,059 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-05-04 05:30:22,060 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-05-04 05:30:22,061 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-05-04 05:30:22,062 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-05-04 05:30:22,062 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-05-04 05:30:22,065 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-05-04 05:30:22,065 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-05-04 05:30:22,066 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2023-05-04 05:30:22,067 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-05-04 05:30:22,068 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-05-04 05:30:22,068 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-05-04 05:30:22,069 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-05-04 05:30:22,070 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-05-04 05:30:22,070 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-05-04 05:30:22,071 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-05-04 05:30:22,071 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2023-05-04 05:30:22,072 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-05-04 05:30:22,073 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-05-04 05:30:22,073 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-05-04 05:30:22,074 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2023-05-04 05:30:22,096 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-05-04 05:30:22,097 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-05-04 05:30:22,098 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-05-04 05:30:22,098 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-05-04 05:30:22,098 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-05-04 05:30:22,098 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-05-04 05:30:22,099 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-05-04 05:30:22,099 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-05-04 05:30:22,099 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-05-04 05:30:22,099 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-05-04 05:30:22,100 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-05-04 05:30:22,101 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-05-04 05:30:22,101 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-05-04 05:30:22,101 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-05-04 05:30:22,101 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-05-04 05:30:22,101 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-05-04 05:30:22,102 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2023-05-04 05:30:22,102 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-05-04 05:30:22,102 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 05:30:22,102 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-05-04 05:30:22,102 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-05-04 05:30:22,102 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-05-04 05:30:22,102 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-05-04 05:30:22,102 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-05-04 05:30:22,103 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-05-04 05:30:22,103 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-05-04 05:30:22,103 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-05-04 05:30:22,103 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-05-04 05:30:22,103 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-05-04 05:30:22,103 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE
[2023-05-04 05:30:22,335 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-05-04 05:30:22,362 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-05-04 05:30:22,364 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-05-04 05:30:22,365 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-05-04 05:30:22,366 INFO  L275        PluginConnector]: CDTParser initialized
[2023-05-04 05:30:22,367 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i
[2023-05-04 05:30:22,418 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d15b5e8b/cc07dc4e18e34a8d84000a0268cd8a0a/FLAG4461c2e88
[2023-05-04 05:30:22,909 INFO  L306              CDTParser]: Found 1 translation units.
[2023-05-04 05:30:22,910 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i
[2023-05-04 05:30:22,924 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d15b5e8b/cc07dc4e18e34a8d84000a0268cd8a0a/FLAG4461c2e88
[2023-05-04 05:30:22,941 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d15b5e8b/cc07dc4e18e34a8d84000a0268cd8a0a
[2023-05-04 05:30:22,944 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-05-04 05:30:22,945 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-05-04 05:30:22,947 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-05-04 05:30:22,948 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-05-04 05:30:22,950 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-05-04 05:30:22,951 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:30:22" (1/1) ...
[2023-05-04 05:30:22,952 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754cd163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:22, skipping insertion in model container
[2023-05-04 05:30:22,953 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:30:22" (1/1) ...
[2023-05-04 05:30:22,957 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-05-04 05:30:23,004 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-05-04 05:30:23,375 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051]
[2023-05-04 05:30:23,419 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 05:30:23,432 INFO  L203         MainTranslator]: Completed pre-run
[2023-05-04 05:30:23,459 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051]
[2023-05-04 05:30:23,481 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 05:30:23,523 INFO  L208         MainTranslator]: Completed translation
[2023-05-04 05:30:23,524 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23 WrapperNode
[2023-05-04 05:30:23,524 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-05-04 05:30:23,525 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-05-04 05:30:23,525 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-05-04 05:30:23,525 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-05-04 05:30:23,530 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,560 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,589 INFO  L138                Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 339
[2023-05-04 05:30:23,590 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-05-04 05:30:23,590 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-05-04 05:30:23,590 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-05-04 05:30:23,590 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-05-04 05:30:23,607 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,607 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,611 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,611 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,619 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,623 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,625 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,627 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,630 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-05-04 05:30:23,630 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-05-04 05:30:23,630 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-05-04 05:30:23,630 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-05-04 05:30:23,631 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (1/1) ...
[2023-05-04 05:30:23,645 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 05:30:23,655 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:30:23,666 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-05-04 05:30:23,669 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-05-04 05:30:23,696 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure t1_fun
[2023-05-04 05:30:23,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1_fun
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure t2_fun
[2023-05-04 05:30:23,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2_fun
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure t3_fun
[2023-05-04 05:30:23,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure t3_fun
[2023-05-04 05:30:23,697 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-05-04 05:30:23,698 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-05-04 05:30:23,698 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-05-04 05:30:23,699 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-05-04 05:30:23,873 INFO  L235             CfgBuilder]: Building ICFG
[2023-05-04 05:30:23,874 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-05-04 05:30:24,271 INFO  L276             CfgBuilder]: Performing block encoding
[2023-05-04 05:30:24,278 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-05-04 05:30:24,279 INFO  L300             CfgBuilder]: Removed 28 assume(true) statements.
[2023-05-04 05:30:24,280 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:30:24 BoogieIcfgContainer
[2023-05-04 05:30:24,280 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-05-04 05:30:24,282 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-05-04 05:30:24,282 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-05-04 05:30:24,284 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-05-04 05:30:24,284 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:30:22" (1/3) ...
[2023-05-04 05:30:24,285 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479d141d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:30:24, skipping insertion in model container
[2023-05-04 05:30:24,285 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:30:23" (2/3) ...
[2023-05-04 05:30:24,285 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479d141d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:30:24, skipping insertion in model container
[2023-05-04 05:30:24,285 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:30:24" (3/3) ...
[2023-05-04 05:30:24,286 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_85-list2_racefree.i
[2023-05-04 05:30:24,291 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-05-04 05:30:24,297 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-05-04 05:30:24,297 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-05-04 05:30:24,297 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-05-04 05:30:24,387 INFO  L144    ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions.
[2023-05-04 05:30:24,438 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:30:24,438 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 05:30:24,439 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:30:24,440 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-05-04 05:30:24,450 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-05-04 05:30:24,486 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 05:30:24,499 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t3_funThread1of1ForFork0 ========
[2023-05-04 05:30:24,504 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=PARTIAL_ORDER_FA, 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;@2417ec05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:30:24,504 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-05-04 05:30:38,036 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 05:30:38,041 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:30:38,041 INFO  L85        PathProgramCache]: Analyzing trace with hash 1383192612, now seen corresponding path program 1 times
[2023-05-04 05:30:38,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:30:38,050 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704523652]
[2023-05-04 05:30:38,051 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:30:38,052 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:30:38,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:30:38,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.
[2023-05-04 05:30:38,473 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 05:30:38,473 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704523652]
[2023-05-04 05:30:38,474 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704523652] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 05:30:38,474 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 05:30:38,474 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-05-04 05:30:38,475 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824873938]
[2023-05-04 05:30:38,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 05:30:38,480 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-05-04 05:30:38,480 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 05:30:38,496 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-05-04 05:30:38,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-05-04 05:30:38,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:38,498 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 05:30:38,499 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 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)
[2023-05-04 05:30:38,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:42,238 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:42,238 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-05-04 05:30:42,239 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 05:30:42,240 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:30:42,240 INFO  L85        PathProgramCache]: Analyzing trace with hash 1757220338, now seen corresponding path program 1 times
[2023-05-04 05:30:42,240 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:30:42,240 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68452226]
[2023-05-04 05:30:42,240 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:30:42,241 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:30:42,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:30:42,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-05-04 05:30:42,582 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 05:30:42,582 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68452226]
[2023-05-04 05:30:42,582 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68452226] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 05:30:42,582 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713909714]
[2023-05-04 05:30:42,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:30:42,582 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 05:30:42,583 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:30:42,585 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 05:30:42,586 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-05-04 05:30:42,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:30:42,783 INFO  L263         TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-05-04 05:30:42,793 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 05:30:42,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-05-04 05:30:42,878 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-05-04 05:30:42,878 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713909714] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 05:30:42,878 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-05-04 05:30:42,878 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2023-05-04 05:30:42,879 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053483572]
[2023-05-04 05:30:42,879 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 05:30:42,880 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-05-04 05:30:42,880 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 05:30:42,880 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-05-04 05:30:42,880 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-05-04 05:30:42,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:42,881 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 05:30:42,881 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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)
[2023-05-04 05:30:42,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:42,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:43,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:43,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 05:30:43,050 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-05-04 05:30:43,253 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-05-04 05:30:43,256 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 05:30:43,256 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:30:43,256 INFO  L85        PathProgramCache]: Analyzing trace with hash -1715568070, now seen corresponding path program 1 times
[2023-05-04 05:30:43,256 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:30:43,257 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180015594]
[2023-05-04 05:30:43,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:30:43,257 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:30:43,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:30:43,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-05-04 05:30:43,439 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 05:30:43,440 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180015594]
[2023-05-04 05:30:43,440 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180015594] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 05:30:43,440 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023252962]
[2023-05-04 05:30:43,441 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:30:43,441 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 05:30:43,441 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:30:43,442 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 05:30:43,476 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-05-04 05:30:43,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:30:43,687 INFO  L263         TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-05-04 05:30:43,695 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 05:30:43,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-05-04 05:30:43,746 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 05:30:43,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-05-04 05:30:43,799 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023252962] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 05:30:43,800 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 05:30:43,800 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-05-04 05:30:43,800 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23231513]
[2023-05-04 05:30:43,800 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 05:30:43,801 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-05-04 05:30:43,801 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 05:30:43,801 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-05-04 05:30:43,801 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-05-04 05:30:43,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:43,802 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 05:30:43,802 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 26.4) internal successors, (264), 10 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)
[2023-05-04 05:30:43,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:43,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 05:30:43,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:48,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:30:48,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 05:30:48,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-05-04 05:30:48,181 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-05-04 05:30:48,199 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-05-04 05:30:48,398 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 05:30:48,410 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-05-04 05:30:48,412 INFO  L307   ceAbstractionStarter]: Result for error location t3_funThread1of1ForFork0 was SAFE (1/3)
[2023-05-04 05:30:48,416 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:30:48,416 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 05:30:48,417 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:30:48,417 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-05-04 05:30:48,434 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 05:30:48,436 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-05-04 05:30:48,436 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=PARTIAL_ORDER_FA, 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;@2417ec05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:30:48,436 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2023-05-04 05:30:48,455 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process
[2023-05-04 05:30:51,783 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-05-04 05:30:51,783 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:30:51,783 INFO  L85        PathProgramCache]: Analyzing trace with hash 1234366071, now seen corresponding path program 1 times
[2023-05-04 05:30:51,783 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:30:51,784 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321543015]
[2023-05-04 05:30:51,784 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:30:51,784 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:30:51,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 05:30:51,808 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-05-04 05:30:51,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 05:30:51,869 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-05-04 05:30:51,869 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2023-05-04 05:30:51,870 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining)
[2023-05-04 05:30:51,870 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2023-05-04 05:30:51,870 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2023-05-04 05:30:51,870 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-05-04 05:30:51,871 INFO  L444         BasicCegarLoop]: Path program histogram: [1]
[2023-05-04 05:30:51,871 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3)
[2023-05-04 05:30:51,872 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-05-04 05:30:51,872 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-05-04 05:30:51,921 INFO  L144    ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions.
[2023-05-04 05:30:51,924 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:30:51,924 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 05:30:51,924 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:30:51,966 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-05-04 05:30:51,969 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process
[2023-05-04 05:30:51,971 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 05:30:51,973 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of2ForFork2 ========
[2023-05-04 05:30:51,973 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=PARTIAL_ORDER_FA, 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;@2417ec05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:30:51,973 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-05-04 05:31:22,455 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 05:31:22,456 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:31:22,456 INFO  L85        PathProgramCache]: Analyzing trace with hash -1573313888, now seen corresponding path program 1 times
[2023-05-04 05:31:22,457 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:31:22,457 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654998462]
[2023-05-04 05:31:22,457 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:31:22,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:31:22,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:31:22,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2023-05-04 05:31:22,542 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 05:31:22,542 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654998462]
[2023-05-04 05:31:22,543 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654998462] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 05:31:22,543 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 05:31:22,543 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-05-04 05:31:22,543 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037283434]
[2023-05-04 05:31:22,543 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 05:31:22,543 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-05-04 05:31:22,543 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 05:31:22,543 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-05-04 05:31:22,544 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-05-04 05:31:22,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:31:22,544 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 05:31:22,545 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 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)
[2023-05-04 05:31:22,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.