/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/pthread-wmm/rfi003_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 14:56:10,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 14:56:10,494 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 14:56:10,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 14:56:10,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 14:56:10,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 14:56:10,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 14:56:10,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 14:56:10,525 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 14:56:10,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 14:56:10,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 14:56:10,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 14:56:10,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 14:56:10,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 14:56:10,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 14:56:10,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 14:56:10,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 14:56:10,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 14:56:10,531 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 14:56:10,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 14:56:10,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 14:56:10,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 14:56:10,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 14:56:10,532 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 14:56:10,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 14:56:10,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:56:10,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 14:56:10,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 14:56:10,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 14:56:10,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 14:56:10,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 14:56:10,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 14:56:10,534 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 14:56:10,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 14:56:10,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 14:56:10,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 14:56:10,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 14:56:10,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 14:56:10,754 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 14:56:10,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2023-12-09 14:56:11,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 14:56:11,901 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 14:56:11,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2023-12-09 14:56:11,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a40123a/07fada3a639943ac9ccc855026282fb3/FLAGca45047a9 [2023-12-09 14:56:11,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a40123a/07fada3a639943ac9ccc855026282fb3 [2023-12-09 14:56:11,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 14:56:11,927 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 14:56:11,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 14:56:11,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 14:56:11,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 14:56:11,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:56:11" (1/1) ... [2023-12-09 14:56:11,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cabd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:11, skipping insertion in model container [2023-12-09 14:56:11,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:56:11" (1/1) ... [2023-12-09 14:56:11,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 14:56:12,107 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i[944,957] [2023-12-09 14:56:12,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:56:12,252 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 14:56:12,264 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i[944,957] [2023-12-09 14:56:12,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:56:12,350 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:56:12,350 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:56:12,355 INFO L206 MainTranslator]: Completed translation [2023-12-09 14:56:12,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12 WrapperNode [2023-12-09 14:56:12,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 14:56:12,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 14:56:12,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 14:56:12,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 14:56:12,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,404 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 170 [2023-12-09 14:56:12,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 14:56:12,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 14:56:12,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 14:56:12,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 14:56:12,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 14:56:12,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 14:56:12,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 14:56:12,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 14:56:12,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (1/1) ... [2023-12-09 14:56:12,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:56:12,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:56:12,480 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 14:56:12,498 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 14:56:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 14:56:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 14:56:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 14:56:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 14:56:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 14:56:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-09 14:56:12,506 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-09 14:56:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-09 14:56:12,507 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-09 14:56:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 14:56:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 14:56:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 14:56:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 14:56:12,509 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 14:56:12,653 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 14:56:12,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 14:56:12,993 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 14:56:13,123 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 14:56:13,124 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 14:56:13,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:56:13 BoogieIcfgContainer [2023-12-09 14:56:13,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 14:56:13,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 14:56:13,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 14:56:13,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 14:56:13,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:56:11" (1/3) ... [2023-12-09 14:56:13,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ec9d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:56:13, skipping insertion in model container [2023-12-09 14:56:13,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:12" (2/3) ... [2023-12-09 14:56:13,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ec9d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:56:13, skipping insertion in model container [2023-12-09 14:56:13,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:56:13" (3/3) ... [2023-12-09 14:56:13,131 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2023-12-09 14:56:13,143 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 14:56:13,143 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-09 14:56:13,143 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 14:56:13,179 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-09 14:56:13,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 95 transitions, 198 flow [2023-12-09 14:56:13,254 INFO L124 PetriNetUnfolderBase]: 2/93 cut-off events. [2023-12-09 14:56:13,254 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 14:56:13,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2023-12-09 14:56:13,258 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 95 transitions, 198 flow [2023-12-09 14:56:13,260 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 93 transitions, 192 flow [2023-12-09 14:56:13,268 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 14:56:13,272 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;@7ddc0c17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 14:56:13,273 INFO L363 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-12-09 14:56:13,282 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 14:56:13,282 INFO L124 PetriNetUnfolderBase]: 0/57 cut-off events. [2023-12-09 14:56:13,282 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 14:56:13,283 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:13,283 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] [2023-12-09 14:56:13,283 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:13,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash -213477164, now seen corresponding path program 1 times [2023-12-09 14:56:13,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:13,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803908428] [2023-12-09 14:56:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:13,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:13,731 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 14:56:13,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:13,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803908428] [2023-12-09 14:56:13,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803908428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:13,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:13,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-09 14:56:13,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852463331] [2023-12-09 14:56:13,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:13,742 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-09 14:56:13,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:13,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-09 14:56:13,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-09 14:56:13,770 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 95 [2023-12-09 14:56:13,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 93 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 14:56:13,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:13,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 95 [2023-12-09 14:56:13,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:13,945 INFO L124 PetriNetUnfolderBase]: 54/428 cut-off events. [2023-12-09 14:56:13,945 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-12-09 14:56:13,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 428 events. 54/428 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2396 event pairs, 24 based on Foata normal form. 23/422 useless extension candidates. Maximal degree in co-relation 498. Up to 85 conditions per place. [2023-12-09 14:56:13,952 INFO L140 encePairwiseOnDemand]: 90/95 looper letters, 13 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2023-12-09 14:56:13,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 93 transitions, 222 flow [2023-12-09 14:56:13,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-09 14:56:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-09 14:56:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2023-12-09 14:56:13,970 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.9122807017543859 [2023-12-09 14:56:13,970 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 260 transitions. [2023-12-09 14:56:13,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 260 transitions. [2023-12-09 14:56:13,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:13,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 260 transitions. [2023-12-09 14:56:13,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 14:56:13,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 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 14:56:13,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 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 14:56:13,989 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 0 predicate places. [2023-12-09 14:56:13,989 INFO L500 AbstractCegarLoop]: Abstraction has has 98 places, 93 transitions, 222 flow [2023-12-09 14:56:13,989 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 14:56:13,989 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:13,990 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] [2023-12-09 14:56:13,990 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 14:56:13,990 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:13,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:13,991 INFO L85 PathProgramCache]: Analyzing trace with hash 204705200, now seen corresponding path program 1 times [2023-12-09 14:56:13,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:13,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101519371] [2023-12-09 14:56:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:13,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:14,758 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 14:56:14,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:14,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101519371] [2023-12-09 14:56:14,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101519371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:14,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:14,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-09 14:56:14,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584259603] [2023-12-09 14:56:14,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:14,760 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-09 14:56:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:14,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-09 14:56:14,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-09 14:56:14,763 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 95 [2023-12-09 14:56:14,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 93 transitions, 222 flow. Second operand has 7 states, 7 states have (on average 63.714285714285715) internal successors, (446), 7 states have internal predecessors, (446), 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 14:56:14,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:14,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 95 [2023-12-09 14:56:14,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:15,200 INFO L124 PetriNetUnfolderBase]: 501/1265 cut-off events. [2023-12-09 14:56:15,200 INFO L125 PetriNetUnfolderBase]: For 246/652 co-relation queries the response was YES. [2023-12-09 14:56:15,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2601 conditions, 1265 events. 501/1265 cut-off events. For 246/652 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 7680 event pairs, 102 based on Foata normal form. 1/1226 useless extension candidates. Maximal degree in co-relation 2543. Up to 421 conditions per place. [2023-12-09 14:56:15,208 INFO L140 encePairwiseOnDemand]: 87/95 looper letters, 33 selfloop transitions, 2 changer transitions 67/153 dead transitions. [2023-12-09 14:56:15,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 153 transitions, 598 flow [2023-12-09 14:56:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 14:56:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 14:56:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 635 transitions. [2023-12-09 14:56:15,211 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7426900584795322 [2023-12-09 14:56:15,211 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 635 transitions. [2023-12-09 14:56:15,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 635 transitions. [2023-12-09 14:56:15,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:15,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 635 transitions. [2023-12-09 14:56:15,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 70.55555555555556) internal successors, (635), 9 states have internal predecessors, (635), 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 14:56:15,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 95.0) internal successors, (950), 10 states have internal predecessors, (950), 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 14:56:15,216 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 95.0) internal successors, (950), 10 states have internal predecessors, (950), 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 14:56:15,216 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 8 predicate places. [2023-12-09 14:56:15,217 INFO L500 AbstractCegarLoop]: Abstraction has has 106 places, 153 transitions, 598 flow [2023-12-09 14:56:15,217 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.714285714285715) internal successors, (446), 7 states have internal predecessors, (446), 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 14:56:15,217 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:15,217 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] [2023-12-09 14:56:15,217 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 14:56:15,218 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:15,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:15,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1195905106, now seen corresponding path program 1 times [2023-12-09 14:56:15,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:15,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921576468] [2023-12-09 14:56:15,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:15,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:15,469 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 14:56:15,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:15,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921576468] [2023-12-09 14:56:15,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921576468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:15,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:15,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 14:56:15,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836149405] [2023-12-09 14:56:15,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:15,471 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 14:56:15,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:15,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 14:56:15,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 14:56:15,473 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 95 [2023-12-09 14:56:15,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 153 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 74.0) internal successors, (444), 6 states have internal predecessors, (444), 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 14:56:15,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:15,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 95 [2023-12-09 14:56:15,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:15,801 INFO L124 PetriNetUnfolderBase]: 573/1472 cut-off events. [2023-12-09 14:56:15,801 INFO L125 PetriNetUnfolderBase]: For 351/1307 co-relation queries the response was YES. [2023-12-09 14:56:15,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3826 conditions, 1472 events. 573/1472 cut-off events. For 351/1307 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 9682 event pairs, 52 based on Foata normal form. 2/1440 useless extension candidates. Maximal degree in co-relation 3764. Up to 504 conditions per place. [2023-12-09 14:56:15,806 INFO L140 encePairwiseOnDemand]: 87/95 looper letters, 23 selfloop transitions, 2 changer transitions 110/199 dead transitions. [2023-12-09 14:56:15,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 199 transitions, 1068 flow [2023-12-09 14:56:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 14:56:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 14:56:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 709 transitions. [2023-12-09 14:56:15,809 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8292397660818713 [2023-12-09 14:56:15,809 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 709 transitions. [2023-12-09 14:56:15,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 709 transitions. [2023-12-09 14:56:15,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:15,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 709 transitions. [2023-12-09 14:56:15,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 78.77777777777777) internal successors, (709), 9 states have internal predecessors, (709), 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 14:56:15,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 95.0) internal successors, (950), 10 states have internal predecessors, (950), 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 14:56:15,812 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 95.0) internal successors, (950), 10 states have internal predecessors, (950), 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 14:56:15,812 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 16 predicate places. [2023-12-09 14:56:15,813 INFO L500 AbstractCegarLoop]: Abstraction has has 114 places, 199 transitions, 1068 flow [2023-12-09 14:56:15,813 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.0) internal successors, (444), 6 states have internal predecessors, (444), 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 14:56:15,813 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:15,813 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] [2023-12-09 14:56:15,813 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-09 14:56:15,813 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:15,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:15,814 INFO L85 PathProgramCache]: Analyzing trace with hash 875551649, now seen corresponding path program 1 times [2023-12-09 14:56:15,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:15,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038119071] [2023-12-09 14:56:15,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:15,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:16,606 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 14:56:16,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:16,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038119071] [2023-12-09 14:56:16,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038119071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:16,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:16,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-09 14:56:16,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256934878] [2023-12-09 14:56:16,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:16,611 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-09 14:56:16,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-09 14:56:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-12-09 14:56:16,613 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 95 [2023-12-09 14:56:16,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 199 transitions, 1068 flow. Second operand has 15 states, 15 states have (on average 62.4) internal successors, (936), 15 states have internal predecessors, (936), 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 14:56:16,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:16,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 95 [2023-12-09 14:56:16,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:17,758 INFO L124 PetriNetUnfolderBase]: 1617/3712 cut-off events. [2023-12-09 14:56:17,758 INFO L125 PetriNetUnfolderBase]: For 2955/3574 co-relation queries the response was YES. [2023-12-09 14:56:17,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11685 conditions, 3712 events. 1617/3712 cut-off events. For 2955/3574 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 29527 event pairs, 58 based on Foata normal form. 12/3696 useless extension candidates. Maximal degree in co-relation 11612. Up to 1201 conditions per place. [2023-12-09 14:56:17,771 INFO L140 encePairwiseOnDemand]: 79/95 looper letters, 59 selfloop transitions, 14 changer transitions 463/588 dead transitions. [2023-12-09 14:56:17,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 588 transitions, 4698 flow [2023-12-09 14:56:17,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-09 14:56:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-12-09 14:56:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 1893 transitions. [2023-12-09 14:56:17,776 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7116541353383459 [2023-12-09 14:56:17,776 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 1893 transitions. [2023-12-09 14:56:17,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 1893 transitions. [2023-12-09 14:56:17,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:17,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 1893 transitions. [2023-12-09 14:56:17,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 67.60714285714286) internal successors, (1893), 28 states have internal predecessors, (1893), 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 14:56:17,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 95.0) internal successors, (2755), 29 states have internal predecessors, (2755), 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 14:56:17,785 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 95.0) internal successors, (2755), 29 states have internal predecessors, (2755), 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 14:56:17,787 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 43 predicate places. [2023-12-09 14:56:17,787 INFO L500 AbstractCegarLoop]: Abstraction has has 141 places, 588 transitions, 4698 flow [2023-12-09 14:56:17,788 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 62.4) internal successors, (936), 15 states have internal predecessors, (936), 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 14:56:17,788 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:17,788 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] [2023-12-09 14:56:17,788 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-09 14:56:17,789 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:17,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:17,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1541214758, now seen corresponding path program 1 times [2023-12-09 14:56:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:17,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552065796] [2023-12-09 14:56:17,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:18,034 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 14:56:18,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:18,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552065796] [2023-12-09 14:56:18,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552065796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:18,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:18,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 14:56:18,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721670] [2023-12-09 14:56:18,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:18,036 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 14:56:18,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:18,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 14:56:18,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 14:56:18,038 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 95 [2023-12-09 14:56:18,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 588 transitions, 4698 flow. Second operand has 6 states, 6 states have (on average 71.66666666666667) internal successors, (430), 6 states have internal predecessors, (430), 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 14:56:18,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:18,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 95 [2023-12-09 14:56:18,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:18,335 INFO L124 PetriNetUnfolderBase]: 473/1224 cut-off events. [2023-12-09 14:56:18,335 INFO L125 PetriNetUnfolderBase]: For 2565/2637 co-relation queries the response was YES. [2023-12-09 14:56:18,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4231 conditions, 1224 events. 473/1224 cut-off events. For 2565/2637 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 7018 event pairs, 26 based on Foata normal form. 3/1199 useless extension candidates. Maximal degree in co-relation 4154. Up to 425 conditions per place. [2023-12-09 14:56:18,342 INFO L140 encePairwiseOnDemand]: 86/95 looper letters, 50 selfloop transitions, 8 changer transitions 159/277 dead transitions. [2023-12-09 14:56:18,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 277 transitions, 2244 flow [2023-12-09 14:56:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-09 14:56:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-12-09 14:56:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 780 transitions. [2023-12-09 14:56:18,345 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2023-12-09 14:56:18,345 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 780 transitions. [2023-12-09 14:56:18,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 780 transitions. [2023-12-09 14:56:18,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:18,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 780 transitions. [2023-12-09 14:56:18,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 78.0) internal successors, (780), 10 states have internal predecessors, (780), 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 14:56:18,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 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 14:56:18,349 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 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 14:56:18,350 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 40 predicate places. [2023-12-09 14:56:18,351 INFO L500 AbstractCegarLoop]: Abstraction has has 138 places, 277 transitions, 2244 flow [2023-12-09 14:56:18,351 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.66666666666667) internal successors, (430), 6 states have internal predecessors, (430), 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 14:56:18,351 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:18,351 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] [2023-12-09 14:56:18,351 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-09 14:56:18,352 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:18,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:18,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2051930379, now seen corresponding path program 1 times [2023-12-09 14:56:18,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:18,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110503694] [2023-12-09 14:56:18,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:18,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:20,045 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 14:56:20,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:20,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110503694] [2023-12-09 14:56:20,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110503694] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:20,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:20,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-09 14:56:20,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533933031] [2023-12-09 14:56:20,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:20,047 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-09 14:56:20,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:20,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-09 14:56:20,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-12-09 14:56:20,049 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 95 [2023-12-09 14:56:20,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 277 transitions, 2244 flow. Second operand has 13 states, 13 states have (on average 62.84615384615385) internal successors, (817), 13 states have internal predecessors, (817), 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 14:56:20,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:20,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 95 [2023-12-09 14:56:20,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:20,656 INFO L124 PetriNetUnfolderBase]: 855/2161 cut-off events. [2023-12-09 14:56:20,656 INFO L125 PetriNetUnfolderBase]: For 6712/6938 co-relation queries the response was YES. [2023-12-09 14:56:20,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8638 conditions, 2161 events. 855/2161 cut-off events. For 6712/6938 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 14610 event pairs, 57 based on Foata normal form. 29/2143 useless extension candidates. Maximal degree in co-relation 8548. Up to 842 conditions per place. [2023-12-09 14:56:20,667 INFO L140 encePairwiseOnDemand]: 81/95 looper letters, 72 selfloop transitions, 30 changer transitions 299/459 dead transitions. [2023-12-09 14:56:20,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 459 transitions, 4783 flow [2023-12-09 14:56:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-09 14:56:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-12-09 14:56:20,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 963 transitions. [2023-12-09 14:56:20,670 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7240601503759398 [2023-12-09 14:56:20,670 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 963 transitions. [2023-12-09 14:56:20,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 963 transitions. [2023-12-09 14:56:20,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:20,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 963 transitions. [2023-12-09 14:56:20,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 68.78571428571429) internal successors, (963), 14 states have internal predecessors, (963), 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 14:56:20,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 95.0) internal successors, (1425), 15 states have internal predecessors, (1425), 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 14:56:20,675 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 95.0) internal successors, (1425), 15 states have internal predecessors, (1425), 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 14:56:20,677 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 53 predicate places. [2023-12-09 14:56:20,677 INFO L500 AbstractCegarLoop]: Abstraction has has 151 places, 459 transitions, 4783 flow [2023-12-09 14:56:20,678 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.84615384615385) internal successors, (817), 13 states have internal predecessors, (817), 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 14:56:20,678 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:20,678 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] [2023-12-09 14:56:20,678 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-09 14:56:20,678 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:20,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:20,679 INFO L85 PathProgramCache]: Analyzing trace with hash 912931509, now seen corresponding path program 2 times [2023-12-09 14:56:20,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:20,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002492739] [2023-12-09 14:56:20,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:20,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:20,891 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 14:56:20,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:20,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002492739] [2023-12-09 14:56:20,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002492739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:20,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:20,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-09 14:56:20,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061667699] [2023-12-09 14:56:20,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:20,895 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-09 14:56:20,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:20,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-09 14:56:20,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-09 14:56:20,897 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 95 [2023-12-09 14:56:20,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 459 transitions, 4783 flow. Second operand has 7 states, 7 states have (on average 71.57142857142857) internal successors, (501), 7 states have internal predecessors, (501), 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 14:56:20,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:20,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 95 [2023-12-09 14:56:20,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:21,281 INFO L124 PetriNetUnfolderBase]: 555/1306 cut-off events. [2023-12-09 14:56:21,281 INFO L125 PetriNetUnfolderBase]: For 5696/5978 co-relation queries the response was YES. [2023-12-09 14:56:21,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6048 conditions, 1306 events. 555/1306 cut-off events. For 5696/5978 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8328 event pairs, 34 based on Foata normal form. 43/1329 useless extension candidates. Maximal degree in co-relation 5954. Up to 446 conditions per place. [2023-12-09 14:56:21,289 INFO L140 encePairwiseOnDemand]: 86/95 looper letters, 60 selfloop transitions, 10 changer transitions 179/314 dead transitions. [2023-12-09 14:56:21,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 314 transitions, 3587 flow [2023-12-09 14:56:21,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-09 14:56:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-12-09 14:56:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 976 transitions. [2023-12-09 14:56:21,292 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7902834008097166 [2023-12-09 14:56:21,292 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 976 transitions. [2023-12-09 14:56:21,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 976 transitions. [2023-12-09 14:56:21,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:21,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 976 transitions. [2023-12-09 14:56:21,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 75.07692307692308) internal successors, (976), 13 states have internal predecessors, (976), 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 14:56:21,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 95.0) internal successors, (1330), 14 states have internal predecessors, (1330), 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 14:56:21,297 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 95.0) internal successors, (1330), 14 states have internal predecessors, (1330), 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 14:56:21,298 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 44 predicate places. [2023-12-09 14:56:21,298 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 314 transitions, 3587 flow [2023-12-09 14:56:21,298 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 71.57142857142857) internal successors, (501), 7 states have internal predecessors, (501), 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 14:56:21,299 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:21,299 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] [2023-12-09 14:56:21,299 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-09 14:56:21,299 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:21,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:21,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1461933873, now seen corresponding path program 1 times [2023-12-09 14:56:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:21,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129969223] [2023-12-09 14:56:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:21,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:22,519 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 14:56:22,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:22,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129969223] [2023-12-09 14:56:22,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129969223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:22,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:22,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-09 14:56:22,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335418651] [2023-12-09 14:56:22,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:22,520 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-09 14:56:22,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:22,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-09 14:56:22,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-12-09 14:56:22,522 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 95 [2023-12-09 14:56:22,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 314 transitions, 3587 flow. Second operand has 13 states, 13 states have (on average 64.92307692307692) internal successors, (844), 13 states have internal predecessors, (844), 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 14:56:22,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:22,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 95 [2023-12-09 14:56:22,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:22,933 INFO L124 PetriNetUnfolderBase]: 758/1800 cut-off events. [2023-12-09 14:56:22,933 INFO L125 PetriNetUnfolderBase]: For 10658/10959 co-relation queries the response was YES. [2023-12-09 14:56:22,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8925 conditions, 1800 events. 758/1800 cut-off events. For 10658/10959 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 12735 event pairs, 3 based on Foata normal form. 28/1806 useless extension candidates. Maximal degree in co-relation 8819. Up to 605 conditions per place. [2023-12-09 14:56:22,947 INFO L140 encePairwiseOnDemand]: 80/95 looper letters, 37 selfloop transitions, 52 changer transitions 247/403 dead transitions. [2023-12-09 14:56:22,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 403 transitions, 5547 flow [2023-12-09 14:56:22,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-09 14:56:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-12-09 14:56:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 813 transitions. [2023-12-09 14:56:22,949 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7131578947368421 [2023-12-09 14:56:22,949 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 813 transitions. [2023-12-09 14:56:22,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 813 transitions. [2023-12-09 14:56:22,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:22,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 813 transitions. [2023-12-09 14:56:22,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 67.75) internal successors, (813), 12 states have internal predecessors, (813), 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 14:56:22,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 95.0) internal successors, (1235), 13 states have internal predecessors, (1235), 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 14:56:22,954 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 95.0) internal successors, (1235), 13 states have internal predecessors, (1235), 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 14:56:22,955 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 55 predicate places. [2023-12-09 14:56:22,955 INFO L500 AbstractCegarLoop]: Abstraction has has 153 places, 403 transitions, 5547 flow [2023-12-09 14:56:22,956 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 64.92307692307692) internal successors, (844), 13 states have internal predecessors, (844), 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 14:56:22,956 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:22,956 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] [2023-12-09 14:56:22,956 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-09 14:56:22,956 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:22,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:22,956 INFO L85 PathProgramCache]: Analyzing trace with hash 381656891, now seen corresponding path program 2 times [2023-12-09 14:56:22,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:22,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621007187] [2023-12-09 14:56:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:22,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:24,453 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 14:56:24,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:24,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621007187] [2023-12-09 14:56:24,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621007187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:24,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:24,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-09 14:56:24,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151215640] [2023-12-09 14:56:24,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:24,454 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-09 14:56:24,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:24,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-09 14:56:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-12-09 14:56:24,455 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 95 [2023-12-09 14:56:24,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 403 transitions, 5547 flow. Second operand has 16 states, 16 states have (on average 63.625) internal successors, (1018), 16 states have internal predecessors, (1018), 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 14:56:24,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:24,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 95 [2023-12-09 14:56:24,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:25,149 INFO L124 PetriNetUnfolderBase]: 939/2243 cut-off events. [2023-12-09 14:56:25,149 INFO L125 PetriNetUnfolderBase]: For 18175/18695 co-relation queries the response was YES. [2023-12-09 14:56:25,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11850 conditions, 2243 events. 939/2243 cut-off events. For 18175/18695 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 16915 event pairs, 43 based on Foata normal form. 100/2312 useless extension candidates. Maximal degree in co-relation 11731. Up to 748 conditions per place. [2023-12-09 14:56:25,160 INFO L140 encePairwiseOnDemand]: 78/95 looper letters, 56 selfloop transitions, 34 changer transitions 327/482 dead transitions. [2023-12-09 14:56:25,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 482 transitions, 7673 flow [2023-12-09 14:56:25,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-09 14:56:25,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-12-09 14:56:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 992 transitions. [2023-12-09 14:56:25,165 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.696140350877193 [2023-12-09 14:56:25,165 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 992 transitions. [2023-12-09 14:56:25,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 992 transitions. [2023-12-09 14:56:25,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:25,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 992 transitions. [2023-12-09 14:56:25,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 66.13333333333334) internal successors, (992), 15 states have internal predecessors, (992), 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 14:56:25,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 95.0) internal successors, (1520), 16 states have internal predecessors, (1520), 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 14:56:25,170 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 95.0) internal successors, (1520), 16 states have internal predecessors, (1520), 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 14:56:25,170 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 69 predicate places. [2023-12-09 14:56:25,170 INFO L500 AbstractCegarLoop]: Abstraction has has 167 places, 482 transitions, 7673 flow [2023-12-09 14:56:25,171 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 63.625) internal successors, (1018), 16 states have internal predecessors, (1018), 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 14:56:25,171 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:25,171 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] [2023-12-09 14:56:25,171 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-09 14:56:25,171 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:25,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1996241057, now seen corresponding path program 3 times [2023-12-09 14:56:25,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:25,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551623194] [2023-12-09 14:56:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:25,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:25,576 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 14:56:25,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:25,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551623194] [2023-12-09 14:56:25,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551623194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:25,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:25,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-09 14:56:25,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052962712] [2023-12-09 14:56:25,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:25,577 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-09 14:56:25,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:25,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-09 14:56:25,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-09 14:56:25,578 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 95 [2023-12-09 14:56:25,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 482 transitions, 7673 flow. Second operand has 8 states, 8 states have (on average 62.625) internal successors, (501), 8 states have internal predecessors, (501), 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 14:56:25,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:25,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 95 [2023-12-09 14:56:25,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:26,118 INFO L124 PetriNetUnfolderBase]: 1363/3348 cut-off events. [2023-12-09 14:56:26,119 INFO L125 PetriNetUnfolderBase]: For 32909/33729 co-relation queries the response was YES. [2023-12-09 14:56:26,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18322 conditions, 3348 events. 1363/3348 cut-off events. For 32909/33729 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 27983 event pairs, 59 based on Foata normal form. 98/3425 useless extension candidates. Maximal degree in co-relation 18189. Up to 1022 conditions per place. [2023-12-09 14:56:26,129 INFO L140 encePairwiseOnDemand]: 85/95 looper letters, 30 selfloop transitions, 3 changer transitions 579/662 dead transitions. [2023-12-09 14:56:26,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 662 transitions, 12223 flow [2023-12-09 14:56:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-09 14:56:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-12-09 14:56:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 522 transitions. [2023-12-09 14:56:26,131 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.6868421052631579 [2023-12-09 14:56:26,131 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 522 transitions. [2023-12-09 14:56:26,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 522 transitions. [2023-12-09 14:56:26,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:26,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 522 transitions. [2023-12-09 14:56:26,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 65.25) internal successors, (522), 8 states have internal predecessors, (522), 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 14:56:26,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 95.0) internal successors, (855), 9 states have internal predecessors, (855), 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 14:56:26,134 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 95.0) internal successors, (855), 9 states have internal predecessors, (855), 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 14:56:26,134 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 76 predicate places. [2023-12-09 14:56:26,134 INFO L500 AbstractCegarLoop]: Abstraction has has 174 places, 662 transitions, 12223 flow [2023-12-09 14:56:26,135 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 62.625) internal successors, (501), 8 states have internal predecessors, (501), 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 14:56:26,135 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:26,135 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] [2023-12-09 14:56:26,135 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-09 14:56:26,135 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:26,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:26,136 INFO L85 PathProgramCache]: Analyzing trace with hash 2017644991, now seen corresponding path program 4 times [2023-12-09 14:56:26,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:26,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117764571] [2023-12-09 14:56:26,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:26,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:27,323 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 14:56:27,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:27,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117764571] [2023-12-09 14:56:27,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117764571] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:27,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:27,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-09 14:56:27,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273065213] [2023-12-09 14:56:27,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:27,324 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-09 14:56:27,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:27,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-09 14:56:27,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-12-09 14:56:27,326 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 95 [2023-12-09 14:56:27,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 662 transitions, 12223 flow. Second operand has 17 states, 17 states have (on average 62.588235294117645) internal successors, (1064), 17 states have internal predecessors, (1064), 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 14:56:27,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:27,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 95 [2023-12-09 14:56:27,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:28,194 INFO L124 PetriNetUnfolderBase]: 1581/3918 cut-off events. [2023-12-09 14:56:28,195 INFO L125 PetriNetUnfolderBase]: For 45078/46047 co-relation queries the response was YES. [2023-12-09 14:56:28,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22463 conditions, 3918 events. 1581/3918 cut-off events. For 45078/46047 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 34283 event pairs, 61 based on Foata normal form. 80/3975 useless extension candidates. Maximal degree in co-relation 22316. Up to 1174 conditions per place. [2023-12-09 14:56:28,211 INFO L140 encePairwiseOnDemand]: 79/95 looper letters, 0 selfloop transitions, 0 changer transitions 734/734 dead transitions. [2023-12-09 14:56:28,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 734 transitions, 15043 flow [2023-12-09 14:56:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-09 14:56:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-12-09 14:56:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1098 transitions. [2023-12-09 14:56:28,214 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.679876160990712 [2023-12-09 14:56:28,214 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1098 transitions. [2023-12-09 14:56:28,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1098 transitions. [2023-12-09 14:56:28,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:28,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1098 transitions. [2023-12-09 14:56:28,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 64.58823529411765) internal successors, (1098), 17 states have internal predecessors, (1098), 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 14:56:28,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 95.0) internal successors, (1710), 18 states have internal predecessors, (1710), 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 14:56:28,221 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 95.0) internal successors, (1710), 18 states have internal predecessors, (1710), 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 14:56:28,222 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 90 predicate places. [2023-12-09 14:56:28,222 INFO L500 AbstractCegarLoop]: Abstraction has has 188 places, 734 transitions, 15043 flow [2023-12-09 14:56:28,222 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 62.588235294117645) internal successors, (1064), 17 states have internal predecessors, (1064), 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 14:56:28,230 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/rfi003_tso.i_BEv2_AllErrorsAtOnce [2023-12-09 14:56:28,280 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-12-09 14:56:28,280 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-12-09 14:56:28,280 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-12-09 14:56:28,280 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-12-09 14:56:28,280 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-12-09 14:56:28,280 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-09 14:56:28,281 INFO L457 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1] [2023-12-09 14:56:28,285 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 14:56:28,285 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 14:56:28,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:56:28 BasicIcfg [2023-12-09 14:56:28,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 14:56:28,291 INFO L158 Benchmark]: Toolchain (without parser) took 16364.28ms. Allocated memory was 329.3MB in the beginning and 935.3MB in the end (delta: 606.1MB). Free memory was 281.6MB in the beginning and 638.1MB in the end (delta: -356.5MB). Peak memory consumption was 248.0MB. Max. memory is 8.0GB. [2023-12-09 14:56:28,291 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 14:56:28,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.06ms. Allocated memory is still 329.3MB. Free memory was 281.1MB in the beginning and 255.4MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-09 14:56:28,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.00ms. Allocated memory is still 329.3MB. Free memory was 255.4MB in the beginning and 252.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-09 14:56:28,292 INFO L158 Benchmark]: Boogie Preprocessor took 47.72ms. Allocated memory is still 329.3MB. Free memory was 252.3MB in the beginning and 250.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 14:56:28,292 INFO L158 Benchmark]: RCFGBuilder took 671.48ms. Allocated memory is still 329.3MB. Free memory was 250.2MB in the beginning and 267.6MB in the end (delta: -17.4MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. [2023-12-09 14:56:28,292 INFO L158 Benchmark]: TraceAbstraction took 15164.43ms. Allocated memory was 329.3MB in the beginning and 935.3MB in the end (delta: 606.1MB). Free memory was 266.6MB in the beginning and 638.1MB in the end (delta: -371.5MB). Peak memory consumption was 232.4MB. Max. memory is 8.0GB. [2023-12-09 14:56:28,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.06ms. Allocated memory is still 329.3MB. Free memory was 281.1MB in the beginning and 255.4MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.00ms. Allocated memory is still 329.3MB. Free memory was 255.4MB in the beginning and 252.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.72ms. Allocated memory is still 329.3MB. Free memory was 252.3MB in the beginning and 250.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 671.48ms. Allocated memory is still 329.3MB. Free memory was 250.2MB in the beginning and 267.6MB in the end (delta: -17.4MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. * TraceAbstraction took 15164.43ms. Allocated memory was 329.3MB in the beginning and 935.3MB in the end (delta: 606.1MB). Free memory was 266.6MB in the beginning and 638.1MB in the end (delta: -371.5MB). Peak memory consumption was 232.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 18]: 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 with 1 thread instances CFG has 5 procedures, 116 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 833 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 833 mSDsluCounter, 1165 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 985 mSDsCounter, 141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2184 IncrementalHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 141 mSolverCounterUnsat, 180 mSDtfsCounter, 2184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15043occurred in iteration=11, InterpolantAutomatonStates: 138, 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, 0.5s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 733 NumberOfCodeBlocks, 733 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 4749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-09 14:56:28,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...