This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 10:57:33,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 10:57:33,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 10:57:33,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 10:57:33,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 10:57:33,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 10:57:33,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 10:57:33,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 10:57:33,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 10:57:33,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 10:57:33,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 10:57:33,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 10:57:33,574 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 10:57:33,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 10:57:33,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 10:57:33,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 10:57:33,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 10:57:33,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 10:57:33,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 10:57:33,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 10:57:33,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 10:57:33,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 10:57:33,583 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 10:57:33,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 10:57:33,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 10:57:33,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 10:57:33,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 10:57:33,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 10:57:33,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 10:57:33,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 10:57:33,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 10:57:33,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 10:57:33,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 10:57:33,591 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 10:57:33,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 10:57:33,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 10:57:33,592 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 10:57:33,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 10:57:33,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 10:57:33,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 10:57:33,593 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 10:57:33,594 INFO L153 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/UGemCutter-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 -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter 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 -> 1cae81f1fa2e32e73e0569957bc583bbf3478ffc71be87871acb9920c44bcfd4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR_WITH_CONTEXT [2024-10-16 10:57:33,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 10:57:33,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 10:57:33,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 10:57:33,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 10:57:33,967 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 10:57:33,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-10-16 10:57:35,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 10:57:35,740 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 10:57:35,741 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-10-16 10:57:35,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9043fe9f6/711c7994876b4d21909464b6142f14b0/FLAGbff8bc36c [2024-10-16 10:57:35,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9043fe9f6/711c7994876b4d21909464b6142f14b0 [2024-10-16 10:57:35,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 10:57:35,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 10:57:35,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 10:57:35,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 10:57:35,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 10:57:35,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:57:35" (1/1) ... [2024-10-16 10:57:35,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1317abbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:35, skipping insertion in model container [2024-10-16 10:57:35,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:57:35" (1/1) ... [2024-10-16 10:57:35,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 10:57:36,021 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3538,3551] [2024-10-16 10:57:36,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 10:57:36,038 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 10:57:36,068 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3538,3551] [2024-10-16 10:57:36,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 10:57:36,092 INFO L204 MainTranslator]: Completed translation [2024-10-16 10:57:36,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36 WrapperNode [2024-10-16 10:57:36,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 10:57:36,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 10:57:36,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 10:57:36,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 10:57:36,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,148 INFO L138 Inliner]: procedures = 20, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2024-10-16 10:57:36,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 10:57:36,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 10:57:36,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 10:57:36,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 10:57:36,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 10:57:36,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 10:57:36,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 10:57:36,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 10:57:36,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (1/1) ... [2024-10-16 10:57:36,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 10:57:36,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 10:57:36,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 10:57:36,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 10:57:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 10:57:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 10:57:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 10:57:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 10:57:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 10:57:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 10:57:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 10:57:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 10:57:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 10:57:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 10:57:36,291 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 10:57:36,398 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 10:57:36,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 10:57:36,628 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 10:57:36,628 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 10:57:36,861 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 10:57:36,864 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 10:57:36,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:57:36 BoogieIcfgContainer [2024-10-16 10:57:36,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 10:57:36,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 10:57:36,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 10:57:36,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 10:57:36,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:57:35" (1/3) ... [2024-10-16 10:57:36,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322585d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:57:36, skipping insertion in model container [2024-10-16 10:57:36,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:57:36" (2/3) ... [2024-10-16 10:57:36,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322585d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:57:36, skipping insertion in model container [2024-10-16 10:57:36,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:57:36" (3/3) ... [2024-10-16 10:57:36,881 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-10-16 10:57:36,899 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 10:57:36,899 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 10:57:36,899 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 10:57:36,961 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-16 10:57:37,012 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 10:57:37,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 10:57:37,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 10:57:37,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 10:57:37,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 10:57:37,105 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 10:57:37,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:57:37,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 10:57:37,136 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3b5baea4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 10:57:37,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-16 10:57:37,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 10:57:37,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:57:37,759 INFO L85 PathProgramCache]: Analyzing trace with hash 299717512, now seen corresponding path program 1 times [2024-10-16 10:57:37,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:57:37,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471712403] [2024-10-16 10:57:37,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:37,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:38,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:57:38,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471712403] [2024-10-16 10:57:38,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471712403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:57:38,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:57:38,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 10:57:38,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738501659] [2024-10-16 10:57:38,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:57:38,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 10:57:38,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:57:38,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 10:57:38,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-16 10:57:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:38,412 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:57:38,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-10-16 10:57:38,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:38,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:38,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 10:57:38,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 10:57:38,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:57:38,878 INFO L85 PathProgramCache]: Analyzing trace with hash 973440160, now seen corresponding path program 2 times [2024-10-16 10:57:38,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:57:38,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175304428] [2024-10-16 10:57:38,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:38,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:39,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:39,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:57:39,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175304428] [2024-10-16 10:57:39,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175304428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:57:39,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:57:39,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 10:57:39,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985837419] [2024-10-16 10:57:39,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:57:39,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 10:57:39,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:57:39,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 10:57:39,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-16 10:57:39,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:39,213 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:57:39,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-16 10:57:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:39,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:39,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-16 10:57:39,684 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 10:57:39,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:57:39,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1541651694, now seen corresponding path program 3 times [2024-10-16 10:57:39,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:57:39,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326968373] [2024-10-16 10:57:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:39,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:57:39,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326968373] [2024-10-16 10:57:39,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326968373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:57:39,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:57:39,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 10:57:39,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74951774] [2024-10-16 10:57:39,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:57:39,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 10:57:39,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:57:39,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 10:57:39,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 10:57:39,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:39,974 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:57:39,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-16 10:57:39,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:39,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:39,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:40,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:40,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:40,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:40,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-16 10:57:40,052 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 10:57:40,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:57:40,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1266460912, now seen corresponding path program 4 times [2024-10-16 10:57:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:57:40,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738524062] [2024-10-16 10:57:40,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:40,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:40,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:57:40,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738524062] [2024-10-16 10:57:40,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738524062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:57:40,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:57:40,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 10:57:40,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758261156] [2024-10-16 10:57:40,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:57:40,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 10:57:40,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:57:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 10:57:40,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-16 10:57:40,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:40,580 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:57:40,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-16 10:57:40,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:40,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:40,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:40,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:40,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-16 10:57:40,839 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 10:57:40,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1342522343, now seen corresponding path program 1 times [2024-10-16 10:57:40,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:41,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:41,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 10:57:41,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 10:57:41,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 10:57:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:41,068 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:57:41,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-16 10:57:41,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:41,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:41,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:41,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:41,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-16 10:57:41,259 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 10:57:41,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:57:41,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1601983698, now seen corresponding path program 5 times [2024-10-16 10:57:41,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:57:41,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325412442] [2024-10-16 10:57:41,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:41,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:57:41,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325412442] [2024-10-16 10:57:41,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325412442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:57:41,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:57:41,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 10:57:41,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178496829] [2024-10-16 10:57:41,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:57:41,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 10:57:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:57:41,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 10:57:41,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-16 10:57:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:41,648 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:57:41,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-16 10:57:41,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:41,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:41,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:41,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:41,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:41,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-16 10:57:41,861 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 10:57:42,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:57:42,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1212035178, now seen corresponding path program 6 times [2024-10-16 10:57:42,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:57:42,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927652908] [2024-10-16 10:57:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:57:42,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:57:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:57:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:57:42,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:57:42,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927652908] [2024-10-16 10:57:42,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927652908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:57:42,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:57:42,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 10:57:42,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025281932] [2024-10-16 10:57:42,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:57:42,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 10:57:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:57:42,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 10:57:42,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-16 10:57:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:42,184 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:57:42,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-10-16 10:57:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:42,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:57:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 10:57:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:57:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:57:42,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 10:57:42,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-16 10:57:42,606 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-16 10:57:42,607 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-16 10:57:42,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-16 10:57:42,622 INFO L414 BasicCegarLoop]: Path program histogram: [6, 1] [2024-10-16 10:57:42,625 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 10:57:42,625 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 10:57:42,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:57:42 BasicIcfg [2024-10-16 10:57:42,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 10:57:42,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 10:57:42,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 10:57:42,630 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 10:57:42,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:57:36" (3/4) ... [2024-10-16 10:57:42,633 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 10:57:42,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-16 10:57:42,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-16 10:57:42,642 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-10-16 10:57:42,644 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-16 10:57:42,644 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-16 10:57:42,644 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 10:57:42,734 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 10:57:42,734 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 10:57:42,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 10:57:42,735 INFO L158 Benchmark]: Toolchain (without parser) took 6969.79ms. Allocated memory was 58.7MB in the beginning and 151.0MB in the end (delta: 92.3MB). Free memory was 34.1MB in the beginning and 74.9MB in the end (delta: -40.8MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2024-10-16 10:57:42,735 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 68.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 10:57:42,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.57ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.0MB in the beginning and 49.4MB in the end (delta: -15.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-10-16 10:57:42,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.44ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 47.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 10:57:42,736 INFO L158 Benchmark]: Boogie Preprocessor took 39.31ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 46.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 10:57:42,736 INFO L158 Benchmark]: RCFGBuilder took 672.03ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 33.8MB in the end (delta: 12.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-16 10:57:42,737 INFO L158 Benchmark]: TraceAbstraction took 5760.82ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 32.4MB in the beginning and 80.2MB in the end (delta: -47.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-10-16 10:57:42,738 INFO L158 Benchmark]: Witness Printer took 104.80ms. Allocated memory is still 151.0MB. Free memory was 80.2MB in the beginning and 74.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-16 10:57:42,739 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 68.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.57ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.0MB in the beginning and 49.4MB in the end (delta: -15.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.44ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 47.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.31ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 46.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 672.03ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 33.8MB in the end (delta: 12.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5760.82ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 32.4MB in the beginning and 80.2MB in the end (delta: -47.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 104.80ms. Allocated memory is still 151.0MB. Free memory was 80.2MB in the beginning and 74.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 381, dependent conditional: 323, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 482, independent: 419, independent conditional: 2, independent unconditional: 417, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 482, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1730, independent: 324, independent conditional: 29, independent unconditional: 295, dependent: 1406, dependent conditional: 663, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2335, independent: 1535, independent conditional: 4, independent unconditional: 1531, dependent: 318, dependent conditional: 65, dependent unconditional: 253, unknown: 482, unknown conditional: 36, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 482, Positive cache size: 419, Positive conditional cache size: 2, Positive unconditional cache size: 417, Negative cache size: 63, Negative conditional cache size: 34, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1755, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 381, dependent conditional: 323, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 482, independent: 419, independent conditional: 2, independent unconditional: 417, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 482, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1730, independent: 324, independent conditional: 29, independent unconditional: 295, dependent: 1406, dependent conditional: 663, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2335, independent: 1535, independent conditional: 4, independent unconditional: 1531, dependent: 318, dependent conditional: 65, dependent unconditional: 253, unknown: 482, unknown conditional: 36, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 482, Positive cache size: 419, Positive conditional cache size: 2, Positive unconditional cache size: 417, Negative cache size: 63, Negative conditional cache size: 34, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1755 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 129, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2049, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 95, dependent conditional: 66, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 381, dependent conditional: 323, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 482, independent: 419, independent conditional: 2, independent unconditional: 417, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 482, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1730, independent: 324, independent conditional: 29, independent unconditional: 295, dependent: 1406, dependent conditional: 663, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2335, independent: 1535, independent conditional: 4, independent unconditional: 1531, dependent: 318, dependent conditional: 65, dependent unconditional: 253, unknown: 482, unknown conditional: 36, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 482, Positive cache size: 419, Positive conditional cache size: 2, Positive unconditional cache size: 417, Negative cache size: 63, Negative conditional cache size: 34, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1755, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 1537, independent unconditional: 417, dependent: 381, dependent conditional: 323, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2335, independent: 1954, independent conditional: 6, independent unconditional: 1948, dependent: 381, dependent conditional: 99, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 482, independent: 419, independent conditional: 2, independent unconditional: 417, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 482, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 63, dependent conditional: 34, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1730, independent: 324, independent conditional: 29, independent unconditional: 295, dependent: 1406, dependent conditional: 663, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2335, independent: 1535, independent conditional: 4, independent unconditional: 1531, dependent: 318, dependent conditional: 65, dependent unconditional: 253, unknown: 482, unknown conditional: 36, unknown unconditional: 446] , Statistics on independence cache: Total cache size (in pairs): 482, Positive cache size: 419, Positive conditional cache size: 2, Positive unconditional cache size: 417, Negative cache size: 63, Negative conditional cache size: 34, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1755 ], Independence queries for same thread: 0 - PositiveResult [Line: 130]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 2.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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, 1.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 1.2s, ConditionalCommutativityCheckTime: 1.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 13, ConditionalCommutativityTraceChecks: 1, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 10:57:42,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-16 10:57:42,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...