/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:20:55,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:20:55,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-12-09 15:20:55,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:20:55,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:20:55,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:20:55,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:20:55,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:20:55,633 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:20:55,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:20:55,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:20:55,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:20:55,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:20:55,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:20:55,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:20:55,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:20:55,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:20:55,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:20:55,642 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:20:55,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:20:55,642 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:20:55,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:20:55,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:20:55,643 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:20:55,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:20:55,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:20:55,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:20:55,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:20:55,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:20:55,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:20:55,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:20:55,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:20:55,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:20:55,645 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:20:55,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:20:55,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:20:55,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:20:55,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:20:55,861 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:20:55,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2023-12-09 15:20:56,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:20:56,993 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:20:56,994 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2023-12-09 15:20:57,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e741dbda/b708e1d676954041a48f39b78c8eb785/FLAG9a67f0d62 [2023-12-09 15:20:57,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e741dbda/b708e1d676954041a48f39b78c8eb785 [2023-12-09 15:20:57,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:20:57,017 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:20:57,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:20:57,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:20:57,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:20:57,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d322f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57, skipping insertion in model container [2023-12-09 15:20:57,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:20:57,182 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4928,4941] [2023-12-09 15:20:57,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:20:57,204 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:20:57,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4928,4941] [2023-12-09 15:20:57,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:20:57,236 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:20:57,237 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:20:57,241 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:20:57,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57 WrapperNode [2023-12-09 15:20:57,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:20:57,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:20:57,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:20:57,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:20:57,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,283 INFO L138 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 335 [2023-12-09 15:20:57,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:20:57,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:20:57,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:20:57,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:20:57,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:20:57,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:20:57,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:20:57,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:20:57,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (1/1) ... [2023-12-09 15:20:57,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:20:57,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:20:57,339 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) [2023-12-09 15:20:57,361 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 [2023-12-09 15:20:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:20:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:20:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:20:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 15:20:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-09 15:20:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-09 15:20:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-09 15:20:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-09 15:20:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-09 15:20:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-09 15:20:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-09 15:20:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-09 15:20:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:20:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-09 15:20:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-09 15:20:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-12-09 15:20:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-12-09 15:20:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-12-09 15:20:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-12-09 15:20:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 15:20:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 15:20:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:20:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:20:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:20:57,377 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 15:20:57,465 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:20:57,466 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:20:57,742 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:20:57,811 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:20:57,812 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:20:57,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:20:57 BoogieIcfgContainer [2023-12-09 15:20:57,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:20:57,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:20:57,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:20:57,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:20:57,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:20:57" (1/3) ... [2023-12-09 15:20:57,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4525c0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:20:57, skipping insertion in model container [2023-12-09 15:20:57,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:20:57" (2/3) ... [2023-12-09 15:20:57,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4525c0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:20:57, skipping insertion in model container [2023-12-09 15:20:57,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:20:57" (3/3) ... [2023-12-09 15:20:57,818 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2023-12-09 15:20:57,833 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:20:57,833 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:20:57,833 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:20:57,898 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2023-12-09 15:20:57,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 225 transitions, 499 flow [2023-12-09 15:20:58,045 INFO L124 PetriNetUnfolderBase]: 2/218 cut-off events. [2023-12-09 15:20:58,045 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-12-09 15:20:58,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 218 events. 2/218 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 111 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2023-12-09 15:20:58,049 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 225 transitions, 499 flow [2023-12-09 15:20:58,055 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 199 transitions, 440 flow [2023-12-09 15:20:58,062 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:20:58,068 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2b1da0ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:20:58,069 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-09 15:20:58,104 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:20:58,104 INFO L124 PetriNetUnfolderBase]: 2/198 cut-off events. [2023-12-09 15:20:58,104 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-12-09 15:20:58,104 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:20:58,105 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:20:58,105 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-12-09 15:20:58,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:20:58,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1644569329, now seen corresponding path program 1 times [2023-12-09 15:20:58,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:20:58,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120093571] [2023-12-09 15:20:58,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:20:58,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:20:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:21:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:21:00,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:21:00,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120093571] [2023-12-09 15:21:00,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120093571] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:21:00,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:21:00,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-09 15:21:00,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057372907] [2023-12-09 15:21:00,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:21:00,309 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-09 15:21:00,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:21:00,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-09 15:21:00,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-12-09 15:21:00,342 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 225 [2023-12-09 15:21:00,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 199 transitions, 440 flow. Second operand has 11 states, 11 states have (on average 166.36363636363637) internal successors, (1830), 11 states have internal predecessors, (1830), 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) [2023-12-09 15:21:00,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:21:00,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 225 [2023-12-09 15:21:00,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand