/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -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/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-29 19:50:06,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 19:50:06,057 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 [2023-11-29 19:50:06,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 19:50:06,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 19:50:06,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 19:50:06,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 19:50:06,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 19:50:06,087 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 19:50:06,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 19:50:06,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 19:50:06,090 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 19:50:06,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 19:50:06,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 19:50:06,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 19:50:06,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 19:50:06,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 19:50:06,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 19:50:06,091 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 19:50:06,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 19:50:06,092 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 19:50:06,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 19:50:06,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 19:50:06,092 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-29 19:50:06,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 19:50:06,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 19:50:06,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 19:50:06,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 19:50:06,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 19:50:06,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 19:50:06,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 19:50:06,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 19:50:06,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 19:50:06,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-11-29 19:50:06,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 19:50:06,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 19:50:06,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 19:50:06,271 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 19:50:06,271 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 19:50:06,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-29 19:50:07,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 19:50:07,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 19:50:07,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-29 19:50:07,441 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e6ddc71/7f8f262108754fe98a3927a3422fa0f5/FLAG5d58c114d [2023-11-29 19:50:07,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e6ddc71/7f8f262108754fe98a3927a3422fa0f5 [2023-11-29 19:50:07,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 19:50:07,454 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-29 19:50:07,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 19:50:07,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 19:50:07,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 19:50:07,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244db9c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07, skipping insertion in model container [2023-11-29 19:50:07,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 19:50:07,583 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2023-11-29 19:50:07,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 19:50:07,709 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 19:50:07,718 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2023-11-29 19:50:07,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 19:50:07,777 INFO L206 MainTranslator]: Completed translation [2023-11-29 19:50:07,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07 WrapperNode [2023-11-29 19:50:07,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 19:50:07,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 19:50:07,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 19:50:07,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 19:50:07,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,821 INFO L138 Inliner]: procedures = 163, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2023-11-29 19:50:07,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 19:50:07,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 19:50:07,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 19:50:07,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 19:50:07,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 19:50:07,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 19:50:07,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 19:50:07,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 19:50:07,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2023-11-29 19:50:07,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 19:50:07,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 19:50:07,869 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) [2023-11-29 19:50:07,875 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 [2023-11-29 19:50:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 19:50:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-29 19:50:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-29 19:50:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 19:50:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 19:50:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 19:50:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 19:50:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 19:50:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 19:50:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 19:50:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 19:50:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 19:50:07,890 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 19:50:08,011 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 19:50:08,012 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 19:50:08,167 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 19:50:08,197 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 19:50:08,197 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 19:50:08,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:50:08 BoogieIcfgContainer [2023-11-29 19:50:08,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 19:50:08,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 19:50:08,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 19:50:08,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 19:50:08,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:50:07" (1/3) ... [2023-11-29 19:50:08,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3f0aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:50:08, skipping insertion in model container [2023-11-29 19:50:08,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (2/3) ... [2023-11-29 19:50:08,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3f0aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:50:08, skipping insertion in model container [2023-11-29 19:50:08,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:50:08" (3/3) ... [2023-11-29 19:50:08,203 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-29 19:50:08,214 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 19:50:08,214 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-29 19:50:08,214 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 19:50:08,246 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 19:50:08,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 114 transitions, 235 flow [2023-11-29 19:50:08,303 INFO L124 PetriNetUnfolderBase]: 3/113 cut-off events. [2023-11-29 19:50:08,303 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 19:50:08,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 113 events. 3/113 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2023-11-29 19:50:08,307 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 114 transitions, 235 flow [2023-11-29 19:50:08,310 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 93 transitions, 189 flow [2023-11-29 19:50:08,316 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 19:50:08,320 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;@28e9a252, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 19:50:08,320 INFO L363 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-29 19:50:08,333 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 19:50:08,333 INFO L124 PetriNetUnfolderBase]: 0/58 cut-off events. [2023-11-29 19:50:08,333 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 19:50:08,333 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:08,334 INFO L232 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] [2023-11-29 19:50:08,334 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:08,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:08,341 INFO L85 PathProgramCache]: Analyzing trace with hash 900040802, now seen corresponding path program 1 times [2023-11-29 19:50:08,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:08,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412906871] [2023-11-29 19:50:08,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:08,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:08,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:08,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412906871] [2023-11-29 19:50:08,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412906871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:08,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:08,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:08,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574010098] [2023-11-29 19:50:08,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:08,724 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:08,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:08,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:08,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:08,749 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 114 [2023-11-29 19:50:08,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 93 transitions, 189 flow. Second operand has 5 states, 5 states have (on average 67.6) internal successors, (338), 5 states have internal predecessors, (338), 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) [2023-11-29 19:50:08,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:08,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 114 [2023-11-29 19:50:08,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:08,961 INFO L124 PetriNetUnfolderBase]: 256/806 cut-off events. [2023-11-29 19:50:08,961 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 19:50:08,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 806 events. 256/806 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4395 event pairs, 78 based on Foata normal form. 18/804 useless extension candidates. Maximal degree in co-relation 1321. Up to 304 conditions per place. [2023-11-29 19:50:08,969 INFO L140 encePairwiseOnDemand]: 102/114 looper letters, 74 selfloop transitions, 18 changer transitions 0/146 dead transitions. [2023-11-29 19:50:08,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 146 transitions, 479 flow [2023-11-29 19:50:08,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 19:50:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 19:50:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 691 transitions. [2023-11-29 19:50:08,984 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6734892787524367 [2023-11-29 19:50:08,985 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 691 transitions. [2023-11-29 19:50:08,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 691 transitions. [2023-11-29 19:50:08,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:08,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 691 transitions. [2023-11-29 19:50:08,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 76.77777777777777) internal successors, (691), 9 states have internal predecessors, (691), 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) [2023-11-29 19:50:08,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 114.0) internal successors, (1140), 10 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) [2023-11-29 19:50:08,994 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 114.0) internal successors, (1140), 10 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) [2023-11-29 19:50:08,996 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 6 predicate places. [2023-11-29 19:50:08,996 INFO L500 AbstractCegarLoop]: Abstraction has has 101 places, 146 transitions, 479 flow [2023-11-29 19:50:08,997 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 67.6) internal successors, (338), 5 states have internal predecessors, (338), 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) [2023-11-29 19:50:08,997 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:08,997 INFO L232 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] [2023-11-29 19:50:08,997 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 19:50:08,997 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:08,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash -796853019, now seen corresponding path program 1 times [2023-11-29 19:50:08,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:08,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480152284] [2023-11-29 19:50:08,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:08,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:09,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:09,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:09,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480152284] [2023-11-29 19:50:09,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480152284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:09,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:09,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:09,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111082210] [2023-11-29 19:50:09,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:09,181 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:09,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:09,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:09,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:09,183 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 114 [2023-11-29 19:50:09,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 146 transitions, 479 flow. Second operand has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 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) [2023-11-29 19:50:09,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:09,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 114 [2023-11-29 19:50:09,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:09,376 INFO L124 PetriNetUnfolderBase]: 282/866 cut-off events. [2023-11-29 19:50:09,376 INFO L125 PetriNetUnfolderBase]: For 145/155 co-relation queries the response was YES. [2023-11-29 19:50:09,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2090 conditions, 866 events. 282/866 cut-off events. For 145/155 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4857 event pairs, 93 based on Foata normal form. 6/856 useless extension candidates. Maximal degree in co-relation 2045. Up to 355 conditions per place. [2023-11-29 19:50:09,381 INFO L140 encePairwiseOnDemand]: 104/114 looper letters, 109 selfloop transitions, 23 changer transitions 0/186 dead transitions. [2023-11-29 19:50:09,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 186 transitions, 903 flow [2023-11-29 19:50:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 19:50:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 19:50:09,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 687 transitions. [2023-11-29 19:50:09,383 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6695906432748538 [2023-11-29 19:50:09,383 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 687 transitions. [2023-11-29 19:50:09,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 687 transitions. [2023-11-29 19:50:09,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:09,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 687 transitions. [2023-11-29 19:50:09,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 76.33333333333333) internal successors, (687), 9 states have internal predecessors, (687), 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) [2023-11-29 19:50:09,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 114.0) internal successors, (1140), 10 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) [2023-11-29 19:50:09,387 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 114.0) internal successors, (1140), 10 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) [2023-11-29 19:50:09,387 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 14 predicate places. [2023-11-29 19:50:09,387 INFO L500 AbstractCegarLoop]: Abstraction has has 109 places, 186 transitions, 903 flow [2023-11-29 19:50:09,388 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 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) [2023-11-29 19:50:09,388 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:09,388 INFO L232 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] [2023-11-29 19:50:09,388 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 19:50:09,388 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:09,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:09,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1044052874, now seen corresponding path program 1 times [2023-11-29 19:50:09,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:09,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027577039] [2023-11-29 19:50:09,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:09,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:09,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:09,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027577039] [2023-11-29 19:50:09,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027577039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:09,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:09,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 19:50:09,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216964287] [2023-11-29 19:50:09,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:09,551 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 19:50:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:09,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 19:50:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 19:50:09,553 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 114 [2023-11-29 19:50:09,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 186 transitions, 903 flow. Second operand has 7 states, 7 states have (on average 66.71428571428571) internal successors, (467), 7 states have internal predecessors, (467), 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) [2023-11-29 19:50:09,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:09,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 114 [2023-11-29 19:50:09,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:09,897 INFO L124 PetriNetUnfolderBase]: 329/1000 cut-off events. [2023-11-29 19:50:09,897 INFO L125 PetriNetUnfolderBase]: For 520/520 co-relation queries the response was YES. [2023-11-29 19:50:09,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3095 conditions, 1000 events. 329/1000 cut-off events. For 520/520 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 5735 event pairs, 24 based on Foata normal form. 12/1001 useless extension candidates. Maximal degree in co-relation 3047. Up to 425 conditions per place. [2023-11-29 19:50:09,904 INFO L140 encePairwiseOnDemand]: 95/114 looper letters, 153 selfloop transitions, 83 changer transitions 20/309 dead transitions. [2023-11-29 19:50:09,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 309 transitions, 2141 flow [2023-11-29 19:50:09,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 19:50:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-29 19:50:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1418 transitions. [2023-11-29 19:50:09,907 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.65466297322253 [2023-11-29 19:50:09,907 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1418 transitions. [2023-11-29 19:50:09,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1418 transitions. [2023-11-29 19:50:09,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:09,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1418 transitions. [2023-11-29 19:50:09,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 74.63157894736842) internal successors, (1418), 19 states have internal predecessors, (1418), 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) [2023-11-29 19:50:09,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 114.0) internal successors, (2280), 20 states have internal predecessors, (2280), 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) [2023-11-29 19:50:09,913 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 114.0) internal successors, (2280), 20 states have internal predecessors, (2280), 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) [2023-11-29 19:50:09,914 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 32 predicate places. [2023-11-29 19:50:09,914 INFO L500 AbstractCegarLoop]: Abstraction has has 127 places, 309 transitions, 2141 flow [2023-11-29 19:50:09,915 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 66.71428571428571) internal successors, (467), 7 states have internal predecessors, (467), 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) [2023-11-29 19:50:09,915 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:09,915 INFO L232 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] [2023-11-29 19:50:09,915 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 19:50:09,915 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:09,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:09,916 INFO L85 PathProgramCache]: Analyzing trace with hash -535323045, now seen corresponding path program 1 times [2023-11-29 19:50:09,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:09,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524971206] [2023-11-29 19:50:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:10,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:10,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524971206] [2023-11-29 19:50:10,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524971206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:10,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:10,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 19:50:10,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731601350] [2023-11-29 19:50:10,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:10,004 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 19:50:10,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:10,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 19:50:10,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 19:50:10,005 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 114 [2023-11-29 19:50:10,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 309 transitions, 2141 flow. Second operand has 7 states, 7 states have (on average 67.57142857142857) internal successors, (473), 7 states have internal predecessors, (473), 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) [2023-11-29 19:50:10,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:10,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 114 [2023-11-29 19:50:10,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:10,276 INFO L124 PetriNetUnfolderBase]: 334/1012 cut-off events. [2023-11-29 19:50:10,276 INFO L125 PetriNetUnfolderBase]: For 879/879 co-relation queries the response was YES. [2023-11-29 19:50:10,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3890 conditions, 1012 events. 334/1012 cut-off events. For 879/879 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 5791 event pairs, 34 based on Foata normal form. 0/1006 useless extension candidates. Maximal degree in co-relation 3839. Up to 436 conditions per place. [2023-11-29 19:50:10,280 INFO L140 encePairwiseOnDemand]: 96/114 looper letters, 166 selfloop transitions, 92 changer transitions 32/343 dead transitions. [2023-11-29 19:50:10,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 343 transitions, 2973 flow [2023-11-29 19:50:10,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 19:50:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-29 19:50:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1411 transitions. [2023-11-29 19:50:10,283 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6514312096029548 [2023-11-29 19:50:10,283 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1411 transitions. [2023-11-29 19:50:10,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1411 transitions. [2023-11-29 19:50:10,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:10,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1411 transitions. [2023-11-29 19:50:10,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 74.26315789473684) internal successors, (1411), 19 states have internal predecessors, (1411), 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) [2023-11-29 19:50:10,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 114.0) internal successors, (2280), 20 states have internal predecessors, (2280), 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) [2023-11-29 19:50:10,289 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 114.0) internal successors, (2280), 20 states have internal predecessors, (2280), 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) [2023-11-29 19:50:10,289 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 50 predicate places. [2023-11-29 19:50:10,289 INFO L500 AbstractCegarLoop]: Abstraction has has 145 places, 343 transitions, 2973 flow [2023-11-29 19:50:10,289 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 67.57142857142857) internal successors, (473), 7 states have internal predecessors, (473), 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) [2023-11-29 19:50:10,289 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:10,290 INFO L232 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] [2023-11-29 19:50:10,290 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 19:50:10,290 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:10,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:10,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1272387405, now seen corresponding path program 1 times [2023-11-29 19:50:10,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:10,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452458932] [2023-11-29 19:50:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:10,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:10,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:10,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452458932] [2023-11-29 19:50:10,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452458932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:10,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:10,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 19:50:10,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660886733] [2023-11-29 19:50:10,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:10,377 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 19:50:10,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:10,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 19:50:10,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 19:50:10,378 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 114 [2023-11-29 19:50:10,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 343 transitions, 2973 flow. Second operand has 9 states, 9 states have (on average 65.88888888888889) internal successors, (593), 9 states have internal predecessors, (593), 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) [2023-11-29 19:50:10,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:10,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 114 [2023-11-29 19:50:10,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:10,822 INFO L124 PetriNetUnfolderBase]: 376/1049 cut-off events. [2023-11-29 19:50:10,822 INFO L125 PetriNetUnfolderBase]: For 1566/1566 co-relation queries the response was YES. [2023-11-29 19:50:10,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4904 conditions, 1049 events. 376/1049 cut-off events. For 1566/1566 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5807 event pairs, 14 based on Foata normal form. 0/1045 useless extension candidates. Maximal degree in co-relation 4850. Up to 466 conditions per place. [2023-11-29 19:50:10,827 INFO L140 encePairwiseOnDemand]: 95/114 looper letters, 200 selfloop transitions, 140 changer transitions 36/427 dead transitions. [2023-11-29 19:50:10,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 427 transitions, 4549 flow [2023-11-29 19:50:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 19:50:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 19:50:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2022 transitions. [2023-11-29 19:50:10,831 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6334586466165414 [2023-11-29 19:50:10,831 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2022 transitions. [2023-11-29 19:50:10,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2022 transitions. [2023-11-29 19:50:10,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:10,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2022 transitions. [2023-11-29 19:50:10,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 72.21428571428571) internal successors, (2022), 28 states have internal predecessors, (2022), 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) [2023-11-29 19:50:10,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 114.0) internal successors, (3306), 29 states have internal predecessors, (3306), 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) [2023-11-29 19:50:10,838 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 114.0) internal successors, (3306), 29 states have internal predecessors, (3306), 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) [2023-11-29 19:50:10,839 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 75 predicate places. [2023-11-29 19:50:10,839 INFO L500 AbstractCegarLoop]: Abstraction has has 170 places, 427 transitions, 4549 flow [2023-11-29 19:50:10,839 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 65.88888888888889) internal successors, (593), 9 states have internal predecessors, (593), 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) [2023-11-29 19:50:10,839 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:10,839 INFO L232 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] [2023-11-29 19:50:10,840 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 19:50:10,840 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:10,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:10,840 INFO L85 PathProgramCache]: Analyzing trace with hash 338156318, now seen corresponding path program 1 times [2023-11-29 19:50:10,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:10,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513048818] [2023-11-29 19:50:10,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:10,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:10,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:10,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513048818] [2023-11-29 19:50:10,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513048818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:10,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:10,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 19:50:10,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317285592] [2023-11-29 19:50:10,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:10,927 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 19:50:10,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:10,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 19:50:10,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 19:50:10,928 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 114 [2023-11-29 19:50:10,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 427 transitions, 4549 flow. Second operand has 9 states, 9 states have (on average 66.55555555555556) internal successors, (599), 9 states have internal predecessors, (599), 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) [2023-11-29 19:50:10,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:10,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 114 [2023-11-29 19:50:10,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:11,291 INFO L124 PetriNetUnfolderBase]: 373/1021 cut-off events. [2023-11-29 19:50:11,291 INFO L125 PetriNetUnfolderBase]: For 1886/1886 co-relation queries the response was YES. [2023-11-29 19:50:11,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5659 conditions, 1021 events. 373/1021 cut-off events. For 1886/1886 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5536 event pairs, 14 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 5602. Up to 460 conditions per place. [2023-11-29 19:50:11,296 INFO L140 encePairwiseOnDemand]: 95/114 looper letters, 202 selfloop transitions, 145 changer transitions 36/433 dead transitions. [2023-11-29 19:50:11,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 433 transitions, 5357 flow [2023-11-29 19:50:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 19:50:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 19:50:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2020 transitions. [2023-11-29 19:50:11,300 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6328320802005013 [2023-11-29 19:50:11,300 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2020 transitions. [2023-11-29 19:50:11,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2020 transitions. [2023-11-29 19:50:11,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:11,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2020 transitions. [2023-11-29 19:50:11,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 72.14285714285714) internal successors, (2020), 28 states have internal predecessors, (2020), 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) [2023-11-29 19:50:11,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 114.0) internal successors, (3306), 29 states have internal predecessors, (3306), 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) [2023-11-29 19:50:11,308 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 114.0) internal successors, (3306), 29 states have internal predecessors, (3306), 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) [2023-11-29 19:50:11,308 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 100 predicate places. [2023-11-29 19:50:11,308 INFO L500 AbstractCegarLoop]: Abstraction has has 195 places, 433 transitions, 5357 flow [2023-11-29 19:50:11,309 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 66.55555555555556) internal successors, (599), 9 states have internal predecessors, (599), 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) [2023-11-29 19:50:11,309 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:11,309 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:11,309 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 19:50:11,309 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:11,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:11,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1692503903, now seen corresponding path program 1 times [2023-11-29 19:50:11,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:11,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380357823] [2023-11-29 19:50:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:11,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:11,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380357823] [2023-11-29 19:50:11,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380357823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:11,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:11,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:11,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208385866] [2023-11-29 19:50:11,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:11,402 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:11,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:11,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:11,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:11,403 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 114 [2023-11-29 19:50:11,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 433 transitions, 5357 flow. Second operand has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 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) [2023-11-29 19:50:11,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:11,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 114 [2023-11-29 19:50:11,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:11,467 INFO L124 PetriNetUnfolderBase]: 63/288 cut-off events. [2023-11-29 19:50:11,468 INFO L125 PetriNetUnfolderBase]: For 884/884 co-relation queries the response was YES. [2023-11-29 19:50:11,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 288 events. 63/288 cut-off events. For 884/884 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 962 event pairs, 3 based on Foata normal form. 51/339 useless extension candidates. Maximal degree in co-relation 1541. Up to 114 conditions per place. [2023-11-29 19:50:11,469 INFO L140 encePairwiseOnDemand]: 105/114 looper letters, 47 selfloop transitions, 14 changer transitions 6/156 dead transitions. [2023-11-29 19:50:11,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 156 transitions, 1703 flow [2023-11-29 19:50:11,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 19:50:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 19:50:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 432 transitions. [2023-11-29 19:50:11,470 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2023-11-29 19:50:11,470 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 432 transitions. [2023-11-29 19:50:11,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 432 transitions. [2023-11-29 19:50:11,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:11,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 432 transitions. [2023-11-29 19:50:11,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 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) [2023-11-29 19:50:11,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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) [2023-11-29 19:50:11,472 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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) [2023-11-29 19:50:11,472 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 64 predicate places. [2023-11-29 19:50:11,472 INFO L500 AbstractCegarLoop]: Abstraction has has 159 places, 156 transitions, 1703 flow [2023-11-29 19:50:11,473 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 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) [2023-11-29 19:50:11,473 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:11,473 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:11,473 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 19:50:11,473 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:11,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1897849628, now seen corresponding path program 1 times [2023-11-29 19:50:11,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:11,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641532533] [2023-11-29 19:50:11,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:11,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:11,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:11,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641532533] [2023-11-29 19:50:11,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641532533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:11,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:11,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 19:50:11,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211137103] [2023-11-29 19:50:11,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:11,516 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 19:50:11,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:11,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 19:50:11,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 19:50:11,517 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 114 [2023-11-29 19:50:11,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 156 transitions, 1703 flow. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2023-11-29 19:50:11,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:11,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 114 [2023-11-29 19:50:11,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:11,573 INFO L124 PetriNetUnfolderBase]: 62/326 cut-off events. [2023-11-29 19:50:11,573 INFO L125 PetriNetUnfolderBase]: For 1287/1287 co-relation queries the response was YES. [2023-11-29 19:50:11,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1924 conditions, 326 events. 62/326 cut-off events. For 1287/1287 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1185 event pairs, 0 based on Foata normal form. 10/336 useless extension candidates. Maximal degree in co-relation 1845. Up to 141 conditions per place. [2023-11-29 19:50:11,575 INFO L140 encePairwiseOnDemand]: 108/114 looper letters, 44 selfloop transitions, 23 changer transitions 4/166 dead transitions. [2023-11-29 19:50:11,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 166 transitions, 1999 flow [2023-11-29 19:50:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 19:50:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 19:50:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 287 transitions. [2023-11-29 19:50:11,576 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8391812865497076 [2023-11-29 19:50:11,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 287 transitions. [2023-11-29 19:50:11,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 287 transitions. [2023-11-29 19:50:11,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:11,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 287 transitions. [2023-11-29 19:50:11,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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) [2023-11-29 19:50:11,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 114.0) internal successors, (456), 4 states have internal predecessors, (456), 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) [2023-11-29 19:50:11,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 114.0) internal successors, (456), 4 states have internal predecessors, (456), 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) [2023-11-29 19:50:11,578 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 66 predicate places. [2023-11-29 19:50:11,578 INFO L500 AbstractCegarLoop]: Abstraction has has 161 places, 166 transitions, 1999 flow [2023-11-29 19:50:11,578 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2023-11-29 19:50:11,578 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:11,579 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:11,579 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 19:50:11,579 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:11,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:11,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1607780374, now seen corresponding path program 2 times [2023-11-29 19:50:11,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:11,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345223076] [2023-11-29 19:50:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:11,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:11,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345223076] [2023-11-29 19:50:11,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345223076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:11,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:11,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:50:11,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774203099] [2023-11-29 19:50:11,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:11,723 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:50:11,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:11,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:50:11,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:50:11,725 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 114 [2023-11-29 19:50:11,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 166 transitions, 1999 flow. Second operand has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 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) [2023-11-29 19:50:11,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:11,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 114 [2023-11-29 19:50:11,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:11,781 INFO L124 PetriNetUnfolderBase]: 42/237 cut-off events. [2023-11-29 19:50:11,782 INFO L125 PetriNetUnfolderBase]: For 1246/1246 co-relation queries the response was YES. [2023-11-29 19:50:11,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1460 conditions, 237 events. 42/237 cut-off events. For 1246/1246 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 696 event pairs, 0 based on Foata normal form. 11/248 useless extension candidates. Maximal degree in co-relation 1367. Up to 86 conditions per place. [2023-11-29 19:50:11,783 INFO L140 encePairwiseOnDemand]: 109/114 looper letters, 41 selfloop transitions, 19 changer transitions 5/150 dead transitions. [2023-11-29 19:50:11,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 150 transitions, 1851 flow [2023-11-29 19:50:11,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 19:50:11,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 19:50:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 428 transitions. [2023-11-29 19:50:11,785 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7508771929824561 [2023-11-29 19:50:11,785 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 428 transitions. [2023-11-29 19:50:11,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 428 transitions. [2023-11-29 19:50:11,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:11,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 428 transitions. [2023-11-29 19:50:11,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 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) [2023-11-29 19:50:11,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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) [2023-11-29 19:50:11,787 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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) [2023-11-29 19:50:11,788 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 70 predicate places. [2023-11-29 19:50:11,788 INFO L500 AbstractCegarLoop]: Abstraction has has 165 places, 150 transitions, 1851 flow [2023-11-29 19:50:11,788 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 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) [2023-11-29 19:50:11,788 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:50:11,788 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:11,788 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 19:50:11,788 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 19:50:11,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:50:11,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1513927418, now seen corresponding path program 1 times [2023-11-29 19:50:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:50:11,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881531273] [2023-11-29 19:50:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:50:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:50:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:50:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:50:11,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:50:11,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881531273] [2023-11-29 19:50:11,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881531273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:50:11,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:50:11,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 19:50:11,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785362802] [2023-11-29 19:50:11,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:50:11,926 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 19:50:11,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:50:11,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 19:50:11,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 19:50:11,929 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 114 [2023-11-29 19:50:11,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 150 transitions, 1851 flow. Second operand has 8 states, 8 states have (on average 68.375) internal successors, (547), 8 states have internal predecessors, (547), 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) [2023-11-29 19:50:11,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:50:11,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 114 [2023-11-29 19:50:11,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:50:12,070 INFO L124 PetriNetUnfolderBase]: 42/235 cut-off events. [2023-11-29 19:50:12,070 INFO L125 PetriNetUnfolderBase]: For 1378/1378 co-relation queries the response was YES. [2023-11-29 19:50:12,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 235 events. 42/235 cut-off events. For 1378/1378 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 705 event pairs, 0 based on Foata normal form. 1/236 useless extension candidates. Maximal degree in co-relation 1519. Up to 85 conditions per place. [2023-11-29 19:50:12,071 INFO L140 encePairwiseOnDemand]: 96/114 looper letters, 0 selfloop transitions, 0 changer transitions 148/148 dead transitions. [2023-11-29 19:50:12,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 148 transitions, 2033 flow [2023-11-29 19:50:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 19:50:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 19:50:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 826 transitions. [2023-11-29 19:50:12,073 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6038011695906432 [2023-11-29 19:50:12,073 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 826 transitions. [2023-11-29 19:50:12,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 826 transitions. [2023-11-29 19:50:12,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:50:12,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 826 transitions. [2023-11-29 19:50:12,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 68.83333333333333) internal successors, (826), 12 states have internal predecessors, (826), 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) [2023-11-29 19:50:12,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 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) [2023-11-29 19:50:12,076 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 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) [2023-11-29 19:50:12,076 INFO L307 CegarLoopForPetriNet]: 95 programPoint places, 79 predicate places. [2023-11-29 19:50:12,076 INFO L500 AbstractCegarLoop]: Abstraction has has 174 places, 148 transitions, 2033 flow [2023-11-29 19:50:12,077 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 68.375) internal successors, (547), 8 states have internal predecessors, (547), 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) [2023-11-29 19:50:12,081 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_29-multiple-protecting2-vesal_true.i_BEv2_AllErrorsAtOnce [2023-11-29 19:50:12,107 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-29 19:50:12,107 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-11-29 19:50:12,107 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-11-29 19:50:12,107 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-29 19:50:12,108 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 19:50:12,108 INFO L457 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 19:50:12,110 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 19:50:12,110 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 19:50:12,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:50:12 BasicIcfg [2023-11-29 19:50:12,121 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 19:50:12,121 INFO L158 Benchmark]: Toolchain (without parser) took 4667.65ms. Allocated memory was 499.1MB in the beginning and 690.0MB in the end (delta: 190.8MB). Free memory was 457.3MB in the beginning and 488.8MB in the end (delta: -31.5MB). Peak memory consumption was 160.5MB. Max. memory is 16.0GB. [2023-11-29 19:50:12,123 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 356.5MB. Free memory is still 309.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-29 19:50:12,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.29ms. Allocated memory is still 499.1MB. Free memory was 456.8MB in the beginning and 437.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-29 19:50:12,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.70ms. Allocated memory is still 499.1MB. Free memory was 437.0MB in the beginning and 434.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 19:50:12,124 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 499.1MB. Free memory was 434.9MB in the beginning and 433.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-29 19:50:12,124 INFO L158 Benchmark]: RCFGBuilder took 350.64ms. Allocated memory is still 499.1MB. Free memory was 433.4MB in the beginning and 414.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-29 19:50:12,125 INFO L158 Benchmark]: TraceAbstraction took 3921.27ms. Allocated memory was 499.1MB in the beginning and 690.0MB in the end (delta: 190.8MB). Free memory was 413.9MB in the beginning and 488.8MB in the end (delta: -74.9MB). Peak memory consumption was 116.5MB. Max. memory is 16.0GB. [2023-11-29 19:50:12,126 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 356.5MB. Free memory is still 309.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 323.29ms. Allocated memory is still 499.1MB. Free memory was 456.8MB in the beginning and 437.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.70ms. Allocated memory is still 499.1MB. Free memory was 437.0MB in the beginning and 434.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 499.1MB. Free memory was 434.9MB in the beginning and 433.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 350.64ms. Allocated memory is still 499.1MB. Free memory was 433.4MB in the beginning and 414.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 3921.27ms. Allocated memory was 499.1MB in the beginning and 690.0MB in the end (delta: 190.8MB). Free memory was 413.9MB in the beginning and 488.8MB in the end (delta: -74.9MB). Peak memory consumption was 116.5MB. Max. memory is 16.0GB. * 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 - 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 3 procedures, 135 locations, 4 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: 3.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1146 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1146 mSDsluCounter, 876 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 635 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2044 IncrementalHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 241 mSDtfsCounter, 2044 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5357occurred in iteration=6, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 1834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 19:50:12,150 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...