/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/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 14:55:55,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 14:55:55,497 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 14:55:55,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 14:55:55,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 14:55:55,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 14:55:55,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 14:55:55,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 14:55:55,520 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 14:55:55,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 14:55:55,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 14:55:55,521 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 14:55:55,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 14:55:55,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 14:55:55,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 14:55:55,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 14:55:55,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 14:55:55,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 14:55:55,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 14:55:55,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 14:55:55,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 14:55:55,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 14:55:55,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 14:55:55,525 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 14:55:55,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 14:55:55,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:55:55,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 14:55:55,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 14:55:55,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 14:55:55,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 14:55:55,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 14:55:55,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 14:55:55,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 14:55:55,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 14:55:55,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 14:55:55,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 14:55:55,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 14:55:55,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 14:55:55,762 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 14:55:55,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-12-09 14:55:56,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 14:55:57,219 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 14:55:57,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-12-09 14:55:57,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb92db2d/5f7a5d9667e44eb4ab69e59f4210f146/FLAG0ac6f31d8 [2023-12-09 14:55:57,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb92db2d/5f7a5d9667e44eb4ab69e59f4210f146 [2023-12-09 14:55:57,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 14:55:57,257 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 14:55:57,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 14:55:57,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 14:55:57,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 14:55:57,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b77820c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57, skipping insertion in model container [2023-12-09 14:55:57,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 14:55:57,499 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/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2023-12-09 14:55:57,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:55:57,767 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 14:55:57,779 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/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2023-12-09 14:55:57,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:55:57,883 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:55:57,883 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:55:57,889 INFO L206 MainTranslator]: Completed translation [2023-12-09 14:55:57,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57 WrapperNode [2023-12-09 14:55:57,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 14:55:57,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 14:55:57,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 14:55:57,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 14:55:57,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,942 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2023-12-09 14:55:57,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 14:55:57,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 14:55:57,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 14:55:57,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 14:55:57,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 14:55:57,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 14:55:57,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 14:55:57,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 14:55:57,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (1/1) ... [2023-12-09 14:55:57,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:55:57,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:55:58,025 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 14:55:58,028 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 14:55:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 14:55:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 14:55:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 14:55:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 14:55:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 14:55:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-09 14:55:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-09 14:55:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-09 14:55:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-09 14:55:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 14:55:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 14:55:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 14:55:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 14:55:58,060 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 14:55:58,224 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 14:55:58,226 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 14:55:58,589 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 14:55:58,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 14:55:58,760 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 14:55:58,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:55:58 BoogieIcfgContainer [2023-12-09 14:55:58,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 14:55:58,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 14:55:58,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 14:55:58,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 14:55:58,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:55:57" (1/3) ... [2023-12-09 14:55:58,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f51aa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:55:58, skipping insertion in model container [2023-12-09 14:55:58,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:57" (2/3) ... [2023-12-09 14:55:58,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f51aa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:55:58, skipping insertion in model container [2023-12-09 14:55:58,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:55:58" (3/3) ... [2023-12-09 14:55:58,769 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-12-09 14:55:58,784 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 14:55:58,785 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-09 14:55:58,785 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 14:55:58,826 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-09 14:55:58,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 95 transitions, 198 flow [2023-12-09 14:55:58,905 INFO L124 PetriNetUnfolderBase]: 2/93 cut-off events. [2023-12-09 14:55:58,906 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 14:55:58,911 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 49 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 14:55:58,913 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 95 transitions, 198 flow [2023-12-09 14:55:58,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 93 transitions, 192 flow [2023-12-09 14:55:58,927 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 14:55:58,935 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;@5b6eec9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 14:55:58,935 INFO L363 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-12-09 14:55:58,950 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 14:55:58,950 INFO L124 PetriNetUnfolderBase]: 0/55 cut-off events. [2023-12-09 14:55:58,950 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 14:55:58,950 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:55:58,951 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] [2023-12-09 14:55:58,952 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 14:55:58,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:55:58,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1240377627, now seen corresponding path program 1 times [2023-12-09 14:55:58,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:55:58,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282220248] [2023-12-09 14:55:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:55:58,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:55:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:55:59,497 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 14:55:59,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:55:59,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282220248] [2023-12-09 14:55:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282220248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:55:59,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:55:59,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-09 14:55:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384751558] [2023-12-09 14:55:59,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:55:59,510 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-09 14:55:59,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:55:59,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-09 14:55:59,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-09 14:55:59,538 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 95 [2023-12-09 14:55:59,540 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 14:55:59,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:55:59,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 95 [2023-12-09 14:55:59,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:55:59,762 INFO L124 PetriNetUnfolderBase]: 60/464 cut-off events. [2023-12-09 14:55:59,763 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-12-09 14:55:59,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 464 events. 60/464 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2644 event pairs, 25 based on Foata normal form. 24/457 useless extension candidates. Maximal degree in co-relation 546. Up to 88 conditions per place. [2023-12-09 14:55:59,773 INFO L140 encePairwiseOnDemand]: 90/95 looper letters, 14 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2023-12-09 14:55:59,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 94 transitions, 226 flow [2023-12-09 14:55:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-09 14:55:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-09 14:55:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2023-12-09 14:55:59,793 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.9157894736842105 [2023-12-09 14:55:59,794 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2023-12-09 14:55:59,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2023-12-09 14:55:59,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:55:59,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2023-12-09 14:55:59,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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 14:55:59,811 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 14:55:59,811 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 14:55:59,817 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 0 predicate places. [2023-12-09 14:55:59,818 INFO L500 AbstractCegarLoop]: Abstraction has has 98 places, 94 transitions, 226 flow [2023-12-09 14:55:59,818 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 14:55:59,818 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:55:59,819 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 14:55:59,819 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 14:55:59,820 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 14:55:59,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:55:59,821 INFO L85 PathProgramCache]: Analyzing trace with hash -212229443, now seen corresponding path program 1 times [2023-12-09 14:55:59,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:55:59,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014590065] [2023-12-09 14:55:59,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:55:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:55:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:00,663 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 14:56:00,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:00,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014590065] [2023-12-09 14:56:00,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014590065] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:00,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:00,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-09 14:56:00,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908218995] [2023-12-09 14:56:00,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:00,667 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-09 14:56:00,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:00,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-09 14:56:00,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-09 14:56:00,670 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 95 [2023-12-09 14:56:00,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 94 transitions, 226 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 14:56:00,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:00,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 95 [2023-12-09 14:56:00,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:01,179 INFO L124 PetriNetUnfolderBase]: 434/1180 cut-off events. [2023-12-09 14:56:01,180 INFO L125 PetriNetUnfolderBase]: For 252/474 co-relation queries the response was YES. [2023-12-09 14:56:01,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2370 conditions, 1180 events. 434/1180 cut-off events. For 252/474 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 7373 event pairs, 78 based on Foata normal form. 0/1143 useless extension candidates. Maximal degree in co-relation 2312. Up to 364 conditions per place. [2023-12-09 14:56:01,188 INFO L140 encePairwiseOnDemand]: 87/95 looper letters, 36 selfloop transitions, 3 changer transitions 70/160 dead transitions. [2023-12-09 14:56:01,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 160 transitions, 651 flow [2023-12-09 14:56:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 14:56:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 14:56:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 636 transitions. [2023-12-09 14:56:01,191 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.743859649122807 [2023-12-09 14:56:01,192 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 636 transitions. [2023-12-09 14:56:01,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 636 transitions. [2023-12-09 14:56:01,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:01,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 636 transitions. [2023-12-09 14:56:01,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 70.66666666666667) internal successors, (636), 9 states have internal predecessors, (636), 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 14:56:01,197 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 14:56:01,197 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 14:56:01,198 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 8 predicate places. [2023-12-09 14:56:01,198 INFO L500 AbstractCegarLoop]: Abstraction has has 106 places, 160 transitions, 651 flow [2023-12-09 14:56:01,199 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 14:56:01,199 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:01,199 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 14:56:01,199 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 14:56:01,200 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 14:56:01,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:01,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1391005563, now seen corresponding path program 1 times [2023-12-09 14:56:01,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:01,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217370116] [2023-12-09 14:56:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:01,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:01,533 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 14:56:01,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:01,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217370116] [2023-12-09 14:56:01,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217370116] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:01,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:01,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 14:56:01,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117364551] [2023-12-09 14:56:01,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:01,536 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 14:56:01,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:01,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 14:56:01,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 14:56:01,539 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 95 [2023-12-09 14:56:01,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 160 transitions, 651 flow. Second operand has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 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 14:56:01,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:01,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 95 [2023-12-09 14:56:01,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:02,079 INFO L124 PetriNetUnfolderBase]: 610/1655 cut-off events. [2023-12-09 14:56:02,080 INFO L125 PetriNetUnfolderBase]: For 391/1140 co-relation queries the response was YES. [2023-12-09 14:56:02,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4341 conditions, 1655 events. 610/1655 cut-off events. For 391/1140 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 11603 event pairs, 46 based on Foata normal form. 2/1626 useless extension candidates. Maximal degree in co-relation 4279. Up to 543 conditions per place. [2023-12-09 14:56:02,090 INFO L140 encePairwiseOnDemand]: 87/95 looper letters, 30 selfloop transitions, 3 changer transitions 160/254 dead transitions. [2023-12-09 14:56:02,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 254 transitions, 1501 flow [2023-12-09 14:56:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 14:56:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 14:56:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 708 transitions. [2023-12-09 14:56:02,094 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8280701754385965 [2023-12-09 14:56:02,094 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 708 transitions. [2023-12-09 14:56:02,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 708 transitions. [2023-12-09 14:56:02,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:02,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 708 transitions. [2023-12-09 14:56:02,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 78.66666666666667) internal successors, (708), 9 states have internal predecessors, (708), 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 14:56:02,098 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 14:56:02,098 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 14:56:02,099 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 16 predicate places. [2023-12-09 14:56:02,099 INFO L500 AbstractCegarLoop]: Abstraction has has 114 places, 254 transitions, 1501 flow [2023-12-09 14:56:02,100 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 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 14:56:02,100 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:02,100 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] [2023-12-09 14:56:02,100 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-09 14:56:02,100 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 14:56:02,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:02,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1045927906, now seen corresponding path program 1 times [2023-12-09 14:56:02,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:02,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858774338] [2023-12-09 14:56:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:03,526 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 14:56:03,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:03,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858774338] [2023-12-09 14:56:03,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858774338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:03,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:03,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-09 14:56:03,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870344175] [2023-12-09 14:56:03,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:03,531 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-09 14:56:03,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:03,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-09 14:56:03,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-12-09 14:56:03,535 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 95 [2023-12-09 14:56:03,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 254 transitions, 1501 flow. Second operand has 15 states, 15 states have (on average 63.53333333333333) internal successors, (953), 15 states have internal predecessors, (953), 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 14:56:03,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:03,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 95 [2023-12-09 14:56:03,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:05,126 INFO L124 PetriNetUnfolderBase]: 1588/3680 cut-off events. [2023-12-09 14:56:05,127 INFO L125 PetriNetUnfolderBase]: For 1383/7309 co-relation queries the response was YES. [2023-12-09 14:56:05,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13379 conditions, 3680 events. 1588/3680 cut-off events. For 1383/7309 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 28930 event pairs, 17 based on Foata normal form. 27/3679 useless extension candidates. Maximal degree in co-relation 13305. Up to 1481 conditions per place. [2023-12-09 14:56:05,146 INFO L140 encePairwiseOnDemand]: 76/95 looper letters, 48 selfloop transitions, 34 changer transitions 729/863 dead transitions. [2023-12-09 14:56:05,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 863 transitions, 7373 flow [2023-12-09 14:56:05,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-09 14:56:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-12-09 14:56:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1815 transitions. [2023-12-09 14:56:05,153 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7348178137651822 [2023-12-09 14:56:05,153 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 1815 transitions. [2023-12-09 14:56:05,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 1815 transitions. [2023-12-09 14:56:05,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:05,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 1815 transitions. [2023-12-09 14:56:05,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 69.8076923076923) internal successors, (1815), 26 states have internal predecessors, (1815), 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 14:56:05,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 95.0) internal successors, (2565), 27 states have internal predecessors, (2565), 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 14:56:05,163 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 95.0) internal successors, (2565), 27 states have internal predecessors, (2565), 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 14:56:05,165 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 41 predicate places. [2023-12-09 14:56:05,165 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 863 transitions, 7373 flow [2023-12-09 14:56:05,167 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 63.53333333333333) internal successors, (953), 15 states have internal predecessors, (953), 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 14:56:05,168 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:05,168 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] [2023-12-09 14:56:05,168 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-09 14:56:05,168 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 14:56:05,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash 538943198, now seen corresponding path program 2 times [2023-12-09 14:56:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:05,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105745800] [2023-12-09 14:56:05,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:05,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:06,305 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 14:56:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105745800] [2023-12-09 14:56:06,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105745800] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:06,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:06,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-09 14:56:06,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326863923] [2023-12-09 14:56:06,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:06,307 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-09 14:56:06,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:06,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-09 14:56:06,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-09 14:56:06,310 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 95 [2023-12-09 14:56:06,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 863 transitions, 7373 flow. Second operand has 13 states, 13 states have (on average 67.46153846153847) internal successors, (877), 13 states have internal predecessors, (877), 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 14:56:06,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:06,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 95 [2023-12-09 14:56:06,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:07,789 INFO L124 PetriNetUnfolderBase]: 1766/4115 cut-off events. [2023-12-09 14:56:07,790 INFO L125 PetriNetUnfolderBase]: For 2170/8566 co-relation queries the response was YES. [2023-12-09 14:56:07,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17884 conditions, 4115 events. 1766/4115 cut-off events. For 2170/8566 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 33117 event pairs, 10 based on Foata normal form. 54/4139 useless extension candidates. Maximal degree in co-relation 17801. Up to 1683 conditions per place. [2023-12-09 14:56:07,814 INFO L140 encePairwiseOnDemand]: 78/95 looper letters, 50 selfloop transitions, 28 changer transitions 887/1026 dead transitions. [2023-12-09 14:56:07,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 1026 transitions, 10671 flow [2023-12-09 14:56:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-09 14:56:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-12-09 14:56:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1537 transitions. [2023-12-09 14:56:07,819 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7704260651629072 [2023-12-09 14:56:07,819 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1537 transitions. [2023-12-09 14:56:07,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1537 transitions. [2023-12-09 14:56:07,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:07,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1537 transitions. [2023-12-09 14:56:07,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 73.19047619047619) internal successors, (1537), 21 states have internal predecessors, (1537), 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 14:56:07,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 95.0) internal successors, (2090), 22 states have internal predecessors, (2090), 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 14:56:07,827 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 95.0) internal successors, (2090), 22 states have internal predecessors, (2090), 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 14:56:07,828 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 61 predicate places. [2023-12-09 14:56:07,828 INFO L500 AbstractCegarLoop]: Abstraction has has 159 places, 1026 transitions, 10671 flow [2023-12-09 14:56:07,829 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 67.46153846153847) internal successors, (877), 13 states have internal predecessors, (877), 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 14:56:07,829 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:07,829 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] [2023-12-09 14:56:07,829 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-09 14:56:07,830 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 14:56:07,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:07,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2070258686, now seen corresponding path program 3 times [2023-12-09 14:56:07,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:07,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437851887] [2023-12-09 14:56:07,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:07,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:09,283 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 14:56:09,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:09,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437851887] [2023-12-09 14:56:09,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437851887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:09,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:09,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-09 14:56:09,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345365187] [2023-12-09 14:56:09,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:09,292 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-09 14:56:09,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:09,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-09 14:56:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-09 14:56:09,294 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 95 [2023-12-09 14:56:09,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 1026 transitions, 10671 flow. Second operand has 12 states, 12 states have (on average 63.916666666666664) internal successors, (767), 12 states have internal predecessors, (767), 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 14:56:09,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:09,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 95 [2023-12-09 14:56:09,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:10,901 INFO L124 PetriNetUnfolderBase]: 2400/5600 cut-off events. [2023-12-09 14:56:10,902 INFO L125 PetriNetUnfolderBase]: For 3791/16930 co-relation queries the response was YES. [2023-12-09 14:56:10,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28338 conditions, 5600 events. 2400/5600 cut-off events. For 3791/16930 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 48863 event pairs, 15 based on Foata normal form. 36/5609 useless extension candidates. Maximal degree in co-relation 28242. Up to 2738 conditions per place. [2023-12-09 14:56:10,942 INFO L140 encePairwiseOnDemand]: 81/95 looper letters, 81 selfloop transitions, 16 changer transitions 1298/1452 dead transitions. [2023-12-09 14:56:10,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 1452 transitions, 18035 flow [2023-12-09 14:56:10,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-09 14:56:10,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-12-09 14:56:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 836 transitions. [2023-12-09 14:56:10,945 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2023-12-09 14:56:10,946 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 836 transitions. [2023-12-09 14:56:10,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 836 transitions. [2023-12-09 14:56:10,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:10,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 836 transitions. [2023-12-09 14:56:10,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 69.66666666666667) internal successors, (836), 12 states have internal predecessors, (836), 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 14:56:10,952 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 14:56:10,952 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 14:56:10,954 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 72 predicate places. [2023-12-09 14:56:10,954 INFO L500 AbstractCegarLoop]: Abstraction has has 170 places, 1452 transitions, 18035 flow [2023-12-09 14:56:10,955 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 63.916666666666664) internal successors, (767), 12 states have internal predecessors, (767), 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 14:56:10,955 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:10,955 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] [2023-12-09 14:56:10,955 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-09 14:56:10,955 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 14:56:10,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:10,956 INFO L85 PathProgramCache]: Analyzing trace with hash 895364238, now seen corresponding path program 4 times [2023-12-09 14:56:10,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:10,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068931239] [2023-12-09 14:56:10,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:10,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:12,185 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 14:56:12,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:12,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068931239] [2023-12-09 14:56:12,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068931239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:12,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:12,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-09 14:56:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797745818] [2023-12-09 14:56:12,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:12,192 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-09 14:56:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:12,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-09 14:56:12,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-12-09 14:56:12,194 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 95 [2023-12-09 14:56:12,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 1452 transitions, 18035 flow. Second operand has 15 states, 15 states have (on average 65.4) internal successors, (981), 15 states have internal predecessors, (981), 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 14:56:12,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:12,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 95 [2023-12-09 14:56:12,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:14,199 INFO L124 PetriNetUnfolderBase]: 2711/6442 cut-off events. [2023-12-09 14:56:14,199 INFO L125 PetriNetUnfolderBase]: For 5851/22826 co-relation queries the response was YES. [2023-12-09 14:56:14,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36728 conditions, 6442 events. 2711/6442 cut-off events. For 5851/22826 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 58726 event pairs, 15 based on Foata normal form. 99/6512 useless extension candidates. Maximal degree in co-relation 36621. Up to 3270 conditions per place. [2023-12-09 14:56:14,232 INFO L140 encePairwiseOnDemand]: 81/95 looper letters, 84 selfloop transitions, 19 changer transitions 1542/1704 dead transitions. [2023-12-09 14:56:14,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 1704 transitions, 24459 flow [2023-12-09 14:56:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-09 14:56:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-12-09 14:56:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1269 transitions. [2023-12-09 14:56:14,237 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7421052631578947 [2023-12-09 14:56:14,237 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1269 transitions. [2023-12-09 14:56:14,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1269 transitions. [2023-12-09 14:56:14,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:14,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1269 transitions. [2023-12-09 14:56:14,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 70.5) internal successors, (1269), 18 states have internal predecessors, (1269), 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 14:56:14,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 95.0) internal successors, (1805), 19 states have internal predecessors, (1805), 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 14:56:14,244 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 95.0) internal successors, (1805), 19 states have internal predecessors, (1805), 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 14:56:14,244 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 89 predicate places. [2023-12-09 14:56:14,244 INFO L500 AbstractCegarLoop]: Abstraction has has 187 places, 1704 transitions, 24459 flow [2023-12-09 14:56:14,245 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 65.4) internal successors, (981), 15 states have internal predecessors, (981), 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 14:56:14,245 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:14,245 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] [2023-12-09 14:56:14,245 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-09 14:56:14,246 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 14:56:14,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:14,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1313085402, now seen corresponding path program 5 times [2023-12-09 14:56:14,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:14,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647551710] [2023-12-09 14:56:14,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:14,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:15,365 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 14:56:15,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:15,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647551710] [2023-12-09 14:56:15,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647551710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:15,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:15,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-09 14:56:15,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156377211] [2023-12-09 14:56:15,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:15,366 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-09 14:56:15,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-09 14:56:15,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-12-09 14:56:15,368 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 95 [2023-12-09 14:56:15,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 1704 transitions, 24459 flow. Second operand has 12 states, 12 states have (on average 62.083333333333336) internal successors, (745), 12 states have internal predecessors, (745), 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 14:56:15,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:15,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 95 [2023-12-09 14:56:15,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:18,049 INFO L124 PetriNetUnfolderBase]: 3688/9407 cut-off events. [2023-12-09 14:56:18,049 INFO L125 PetriNetUnfolderBase]: For 9263/52184 co-relation queries the response was YES. [2023-12-09 14:56:18,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59281 conditions, 9407 events. 3688/9407 cut-off events. For 9263/52184 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 96555 event pairs, 8 based on Foata normal form. 88/9464 useless extension candidates. Maximal degree in co-relation 59160. Up to 4816 conditions per place. [2023-12-09 14:56:18,098 INFO L140 encePairwiseOnDemand]: 81/95 looper letters, 107 selfloop transitions, 25 changer transitions 2228/2410 dead transitions. [2023-12-09 14:56:18,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 2410 transitions, 39535 flow [2023-12-09 14:56:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-09 14:56:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-12-09 14:56:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1103 transitions. [2023-12-09 14:56:18,102 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7256578947368421 [2023-12-09 14:56:18,102 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1103 transitions. [2023-12-09 14:56:18,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1103 transitions. [2023-12-09 14:56:18,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:18,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1103 transitions. [2023-12-09 14:56:18,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 68.9375) internal successors, (1103), 16 states have internal predecessors, (1103), 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 14:56:18,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 95.0) internal successors, (1615), 17 states have internal predecessors, (1615), 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 14:56:18,108 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 95.0) internal successors, (1615), 17 states have internal predecessors, (1615), 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 14:56:18,110 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 104 predicate places. [2023-12-09 14:56:18,112 INFO L500 AbstractCegarLoop]: Abstraction has has 202 places, 2410 transitions, 39535 flow [2023-12-09 14:56:18,112 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 62.083333333333336) internal successors, (745), 12 states have internal predecessors, (745), 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 14:56:18,113 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:18,113 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 14:56:18,113 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-09 14:56:18,114 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 14:56:18,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:18,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1020917209, now seen corresponding path program 1 times [2023-12-09 14:56:18,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:18,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963678372] [2023-12-09 14:56:18,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:18,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:19,431 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 14:56:19,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963678372] [2023-12-09 14:56:19,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963678372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:19,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:19,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:56:19,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107031942] [2023-12-09 14:56:19,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:19,432 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:56:19,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:19,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:56:19,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:56:19,434 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 95 [2023-12-09 14:56:19,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 2410 transitions, 39535 flow. Second operand has 14 states, 14 states have (on average 64.64285714285714) internal successors, (905), 14 states have internal predecessors, (905), 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 14:56:19,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:19,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 95 [2023-12-09 14:56:19,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:24,859 INFO L124 PetriNetUnfolderBase]: 5220/13956 cut-off events. [2023-12-09 14:56:24,859 INFO L125 PetriNetUnfolderBase]: For 15276/51870 co-relation queries the response was YES. [2023-12-09 14:56:24,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95267 conditions, 13956 events. 5220/13956 cut-off events. For 15276/51870 co-relation queries the response was YES. Maximal size of possible extension queue 1077. Compared 157513 event pairs, 23 based on Foata normal form. 337/14268 useless extension candidates. Maximal degree in co-relation 95134. Up to 7467 conditions per place. [2023-12-09 14:56:24,924 INFO L140 encePairwiseOnDemand]: 78/95 looper letters, 84 selfloop transitions, 37 changer transitions 3694/3876 dead transitions. [2023-12-09 14:56:24,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 3876 transitions, 71821 flow [2023-12-09 14:56:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-09 14:56:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-12-09 14:56:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 2389 transitions. [2023-12-09 14:56:24,932 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7396284829721362 [2023-12-09 14:56:24,932 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 2389 transitions. [2023-12-09 14:56:24,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 2389 transitions. [2023-12-09 14:56:24,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:24,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 2389 transitions. [2023-12-09 14:56:24,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 70.26470588235294) internal successors, (2389), 34 states have internal predecessors, (2389), 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 14:56:24,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 95.0) internal successors, (3325), 35 states have internal predecessors, (3325), 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 14:56:24,942 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 95.0) internal successors, (3325), 35 states have internal predecessors, (3325), 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 14:56:24,943 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 137 predicate places. [2023-12-09 14:56:24,943 INFO L500 AbstractCegarLoop]: Abstraction has has 235 places, 3876 transitions, 71821 flow [2023-12-09 14:56:24,944 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 64.64285714285714) internal successors, (905), 14 states have internal predecessors, (905), 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 14:56:24,944 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:24,944 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 14:56:24,944 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-09 14:56:24,944 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 14:56:24,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:24,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1165929493, now seen corresponding path program 2 times [2023-12-09 14:56:24,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:24,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711406543] [2023-12-09 14:56:24,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:24,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:26,547 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 14:56:26,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:26,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711406543] [2023-12-09 14:56:26,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711406543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:26,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:26,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-09 14:56:26,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267083372] [2023-12-09 14:56:26,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:26,548 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-09 14:56:26,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:26,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-09 14:56:26,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-12-09 14:56:26,550 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 95 [2023-12-09 14:56:26,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 3876 transitions, 71821 flow. Second operand has 17 states, 17 states have (on average 63.411764705882355) internal successors, (1078), 17 states have internal predecessors, (1078), 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 14:56:26,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:26,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 95 [2023-12-09 14:56:26,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:33,117 INFO L124 PetriNetUnfolderBase]: 5420/14822 cut-off events. [2023-12-09 14:56:33,117 INFO L125 PetriNetUnfolderBase]: For 18838/60499 co-relation queries the response was YES. [2023-12-09 14:56:33,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109758 conditions, 14822 events. 5420/14822 cut-off events. For 18838/60499 co-relation queries the response was YES. Maximal size of possible extension queue 1170. Compared 171837 event pairs, 3 based on Foata normal form. 291/15090 useless extension candidates. Maximal degree in co-relation 109612. Up to 7887 conditions per place. [2023-12-09 14:56:33,172 INFO L140 encePairwiseOnDemand]: 76/95 looper letters, 103 selfloop transitions, 22 changer transitions 4085/4270 dead transitions. [2023-12-09 14:56:33,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 4270 transitions, 87505 flow [2023-12-09 14:56:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-09 14:56:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-12-09 14:56:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1167 transitions. [2023-12-09 14:56:33,175 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7226006191950465 [2023-12-09 14:56:33,176 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1167 transitions. [2023-12-09 14:56:33,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1167 transitions. [2023-12-09 14:56:33,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:33,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1167 transitions. [2023-12-09 14:56:33,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 68.6470588235294) internal successors, (1167), 17 states have internal predecessors, (1167), 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 14:56:33,182 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 14:56:33,183 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 14:56:33,183 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 153 predicate places. [2023-12-09 14:56:33,184 INFO L500 AbstractCegarLoop]: Abstraction has has 251 places, 4270 transitions, 87505 flow [2023-12-09 14:56:33,184 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 63.411764705882355) internal successors, (1078), 17 states have internal predecessors, (1078), 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 14:56:33,184 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:33,184 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] [2023-12-09 14:56:33,184 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-09 14:56:33,185 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 14:56:33,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:33,185 INFO L85 PathProgramCache]: Analyzing trace with hash -746069971, now seen corresponding path program 1 times [2023-12-09 14:56:33,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:33,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346781580] [2023-12-09 14:56:33,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:33,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:35,453 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 14:56:35,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:35,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346781580] [2023-12-09 14:56:35,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346781580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:35,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:35,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-09 14:56:35,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158643396] [2023-12-09 14:56:35,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:35,455 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-09 14:56:35,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:35,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-09 14:56:35,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2023-12-09 14:56:35,456 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 95 [2023-12-09 14:56:35,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 4270 transitions, 87505 flow. Second operand has 20 states, 20 states have (on average 61.35) internal successors, (1227), 20 states have internal predecessors, (1227), 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 14:56:35,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:35,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 95 [2023-12-09 14:56:35,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:43,559 INFO L124 PetriNetUnfolderBase]: 5536/15498 cut-off events. [2023-12-09 14:56:43,560 INFO L125 PetriNetUnfolderBase]: For 24155/87896 co-relation queries the response was YES. [2023-12-09 14:56:43,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123767 conditions, 15498 events. 5536/15498 cut-off events. For 24155/87896 co-relation queries the response was YES. Maximal size of possible extension queue 1238. Compared 183251 event pairs, 5 based on Foata normal form. 270/15745 useless extension candidates. Maximal degree in co-relation 123606. Up to 8232 conditions per place. [2023-12-09 14:56:43,622 INFO L140 encePairwiseOnDemand]: 78/95 looper letters, 44 selfloop transitions, 9 changer transitions 4330/4436 dead transitions. [2023-12-09 14:56:43,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 4436 transitions, 99573 flow [2023-12-09 14:56:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-09 14:56:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-12-09 14:56:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1056 transitions. [2023-12-09 14:56:43,625 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.6947368421052632 [2023-12-09 14:56:43,625 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1056 transitions. [2023-12-09 14:56:43,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1056 transitions. [2023-12-09 14:56:43,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:43,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1056 transitions. [2023-12-09 14:56:43,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 66.0) internal successors, (1056), 16 states have internal predecessors, (1056), 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 14:56:43,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 95.0) internal successors, (1615), 17 states have internal predecessors, (1615), 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 14:56:43,631 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 95.0) internal successors, (1615), 17 states have internal predecessors, (1615), 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 14:56:43,631 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 168 predicate places. [2023-12-09 14:56:43,631 INFO L500 AbstractCegarLoop]: Abstraction has has 266 places, 4436 transitions, 99573 flow [2023-12-09 14:56:43,632 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 61.35) internal successors, (1227), 20 states have internal predecessors, (1227), 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 14:56:43,632 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:43,632 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] [2023-12-09 14:56:43,632 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-09 14:56:43,633 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:43,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:43,633 INFO L85 PathProgramCache]: Analyzing trace with hash -748469819, now seen corresponding path program 2 times [2023-12-09 14:56:43,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:43,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566938752] [2023-12-09 14:56:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:56:44,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:44,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566938752] [2023-12-09 14:56:44,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566938752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:44,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:44,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-09 14:56:44,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497120124] [2023-12-09 14:56:44,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:44,161 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-09 14:56:44,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:44,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-09 14:56:44,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-09 14:56:44,162 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 95 [2023-12-09 14:56:44,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 4436 transitions, 99573 flow. Second operand has 9 states, 9 states have (on average 63.888888888888886) internal successors, (575), 9 states have internal predecessors, (575), 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 14:56:44,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:44,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 95 [2023-12-09 14:56:44,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:56:53,684 INFO L124 PetriNetUnfolderBase]: 5781/16512 cut-off events. [2023-12-09 14:56:53,685 INFO L125 PetriNetUnfolderBase]: For 27714/171523 co-relation queries the response was YES. [2023-12-09 14:56:53,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141599 conditions, 16512 events. 5781/16512 cut-off events. For 27714/171523 co-relation queries the response was YES. Maximal size of possible extension queue 1334. Compared 199737 event pairs, 2 based on Foata normal form. 171/16665 useless extension candidates. Maximal degree in co-relation 141425. Up to 10120 conditions per place. [2023-12-09 14:56:53,779 INFO L140 encePairwiseOnDemand]: 81/95 looper letters, 45 selfloop transitions, 9 changer transitions 4536/4641 dead transitions. [2023-12-09 14:56:53,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 4641 transitions, 113453 flow [2023-12-09 14:56:53,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 14:56:53,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 14:56:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 634 transitions. [2023-12-09 14:56:53,781 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7415204678362574 [2023-12-09 14:56:53,782 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 634 transitions. [2023-12-09 14:56:53,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 634 transitions. [2023-12-09 14:56:53,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:56:53,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 634 transitions. [2023-12-09 14:56:53,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 70.44444444444444) internal successors, (634), 9 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:56:53,785 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 14:56:53,785 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 14:56:53,785 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 176 predicate places. [2023-12-09 14:56:53,785 INFO L500 AbstractCegarLoop]: Abstraction has has 274 places, 4641 transitions, 113453 flow [2023-12-09 14:56:53,786 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 63.888888888888886) internal successors, (575), 9 states have internal predecessors, (575), 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 14:56:53,786 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:56:53,786 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] [2023-12-09 14:56:53,786 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-09 14:56:53,786 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:56:53,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:56:53,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2028984061, now seen corresponding path program 3 times [2023-12-09 14:56:53,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:56:53,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566843291] [2023-12-09 14:56:53,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:56:53,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:56:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:56:54,618 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 14:56:54,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:56:54,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566843291] [2023-12-09 14:56:54,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566843291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:56:54,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:56:54,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-09 14:56:54,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923211958] [2023-12-09 14:56:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:56:54,619 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-09 14:56:54,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:56:54,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-09 14:56:54,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-09 14:56:54,620 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 95 [2023-12-09 14:56:54,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 4641 transitions, 113453 flow. Second operand has 13 states, 13 states have (on average 64.84615384615384) internal successors, (843), 13 states have internal predecessors, (843), 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 14:56:54,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:56:54,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 95 [2023-12-09 14:56:54,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:57:06,143 INFO L124 PetriNetUnfolderBase]: 5962/17218 cut-off events. [2023-12-09 14:57:06,143 INFO L125 PetriNetUnfolderBase]: For 37247/191855 co-relation queries the response was YES. [2023-12-09 14:57:06,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158738 conditions, 17218 events. 5962/17218 cut-off events. For 37247/191855 co-relation queries the response was YES. Maximal size of possible extension queue 1397. Compared 210789 event pairs, 3 based on Foata normal form. 111/17304 useless extension candidates. Maximal degree in co-relation 158552. Up to 10587 conditions per place. [2023-12-09 14:57:06,214 INFO L140 encePairwiseOnDemand]: 83/95 looper letters, 22 selfloop transitions, 5 changer transitions 4797/4876 dead transitions. [2023-12-09 14:57:06,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 4876 transitions, 128745 flow [2023-12-09 14:57:06,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-09 14:57:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-12-09 14:57:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 777 transitions. [2023-12-09 14:57:06,216 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7435406698564593 [2023-12-09 14:57:06,216 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 777 transitions. [2023-12-09 14:57:06,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 777 transitions. [2023-12-09 14:57:06,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:57:06,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 777 transitions. [2023-12-09 14:57:06,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 70.63636363636364) internal successors, (777), 11 states have internal predecessors, (777), 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 14:57:06,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 95.0) internal successors, (1140), 12 states have internal predecessors, (1140), 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 14:57:06,219 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 95.0) internal successors, (1140), 12 states have internal predecessors, (1140), 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 14:57:06,220 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 186 predicate places. [2023-12-09 14:57:06,220 INFO L500 AbstractCegarLoop]: Abstraction has has 284 places, 4876 transitions, 128745 flow [2023-12-09 14:57:06,220 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 64.84615384615384) internal successors, (843), 13 states have internal predecessors, (843), 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 14:57:06,221 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:57:06,221 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] [2023-12-09 14:57:06,221 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-09 14:57:06,221 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:57:06,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:57:06,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1527153601, now seen corresponding path program 4 times [2023-12-09 14:57:06,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:57:06,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914169087] [2023-12-09 14:57:06,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:57:06,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:57:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:57:06,720 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 14:57:06,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:57:06,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914169087] [2023-12-09 14:57:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914169087] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:57:06,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:57:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-09 14:57:06,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683147204] [2023-12-09 14:57:06,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:57:06,722 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-09 14:57:06,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:57:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-09 14:57:06,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-09 14:57:06,724 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 95 [2023-12-09 14:57:06,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 4876 transitions, 128745 flow. Second operand has 10 states, 10 states have (on average 69.0) internal successors, (690), 10 states have internal predecessors, (690), 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 14:57:06,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:57:06,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 95 [2023-12-09 14:57:06,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:57:21,293 INFO L124 PetriNetUnfolderBase]: 6489/19408 cut-off events. [2023-12-09 14:57:21,293 INFO L125 PetriNetUnfolderBase]: For 48030/285269 co-relation queries the response was YES. [2023-12-09 14:57:21,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189200 conditions, 19408 events. 6489/19408 cut-off events. For 48030/285269 co-relation queries the response was YES. Maximal size of possible extension queue 1620. Compared 247293 event pairs, 4 based on Foata normal form. 188/19581 useless extension candidates. Maximal degree in co-relation 189005. Up to 11846 conditions per place. [2023-12-09 14:57:21,380 INFO L140 encePairwiseOnDemand]: 82/95 looper letters, 0 selfloop transitions, 0 changer transitions 5539/5539 dead transitions. [2023-12-09 14:57:21,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 5539 transitions, 157303 flow [2023-12-09 14:57:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-09 14:57:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-12-09 14:57:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 679 transitions. [2023-12-09 14:57:21,382 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7941520467836257 [2023-12-09 14:57:21,382 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 679 transitions. [2023-12-09 14:57:21,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 679 transitions. [2023-12-09 14:57:21,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:57:21,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 679 transitions. [2023-12-09 14:57:21,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 75.44444444444444) internal successors, (679), 9 states have internal predecessors, (679), 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 14:57:21,384 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 14:57:21,385 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 14:57:21,385 INFO L308 CegarLoopForPetriNet]: 98 programPoint places, 192 predicate places. [2023-12-09 14:57:21,385 INFO L500 AbstractCegarLoop]: Abstraction has has 290 places, 5539 transitions, 157303 flow [2023-12-09 14:57:21,385 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 69.0) internal successors, (690), 10 states have internal predecessors, (690), 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 14:57:21,393 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i_BEv2_AllErrorsAtOnce [2023-12-09 14:57:21,486 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-12-09 14:57:21,488 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-12-09 14:57:21,489 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-12-09 14:57:21,489 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-12-09 14:57:21,489 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-12-09 14:57:21,489 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-09 14:57:21,490 INFO L457 BasicCegarLoop]: Path program histogram: [5, 4, 2, 1, 1, 1] [2023-12-09 14:57:21,494 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 14:57:21,494 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 14:57:21,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:57:21 BasicIcfg [2023-12-09 14:57:21,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 14:57:21,501 INFO L158 Benchmark]: Toolchain (without parser) took 84244.29ms. Allocated memory was 309.3MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 261.4MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-09 14:57:21,501 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 14:57:21,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.06ms. Allocated memory is still 309.3MB. Free memory was 261.0MB in the beginning and 235.2MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-09 14:57:21,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.86ms. Allocated memory is still 309.3MB. Free memory was 235.2MB in the beginning and 232.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-09 14:57:21,502 INFO L158 Benchmark]: Boogie Preprocessor took 37.77ms. Allocated memory is still 309.3MB. Free memory was 232.0MB in the beginning and 229.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 14:57:21,502 INFO L158 Benchmark]: RCFGBuilder took 779.94ms. Allocated memory is still 309.3MB. Free memory was 229.9MB in the beginning and 248.5MB in the end (delta: -18.6MB). Peak memory consumption was 25.3MB. Max. memory is 8.0GB. [2023-12-09 14:57:21,502 INFO L158 Benchmark]: TraceAbstraction took 82736.93ms. Allocated memory was 309.3MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 248.0MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-09 14:57:21,503 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 198.2MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 632.06ms. Allocated memory is still 309.3MB. Free memory was 261.0MB in the beginning and 235.2MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.86ms. Allocated memory is still 309.3MB. Free memory was 235.2MB in the beginning and 232.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.77ms. Allocated memory is still 309.3MB. Free memory was 232.0MB in the beginning and 229.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 779.94ms. Allocated memory is still 309.3MB. Free memory was 229.9MB in the beginning and 248.5MB in the end (delta: -18.6MB). Peak memory consumption was 25.3MB. Max. memory is 8.0GB. * TraceAbstraction took 82736.93ms. Allocated memory was 309.3MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 248.0MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 19]: 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: 82.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 67.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1597 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1597 mSDsluCounter, 2454 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2070 mSDsCounter, 320 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4153 IncrementalHoareTripleChecker+Invalid, 4473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 320 mSolverCounterUnsat, 384 mSDtfsCounter, 4153 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1347 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157303occurred in iteration=14, InterpolantAutomatonStates: 210, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 928 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 914 ConstructedInterpolants, 0 QuantifiedInterpolants, 8536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 14:57:21,528 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...