/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:01:46,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:01:46,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-12-09 15:01:46,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:01:46,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:01:46,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:01:46,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:01:46,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:01:46,278 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:01:46,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:01:46,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:01:46,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:01:46,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:01:46,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:01:46,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:01:46,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:01:46,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:01:46,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:01:46,285 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:01:46,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:01:46,285 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:01:46,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:01:46,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:01:46,287 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:01:46,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:01:46,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:01:46,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:01:46,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:01:46,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:01:46,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:01:46,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:01:46,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:01:46,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:01:46,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:01:46,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:01:46,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:01:46,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:01:46,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:01:46,515 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:01:46,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2023-12-09 15:01:47,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:01:47,941 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:01:47,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2023-12-09 15:01:47,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84f6e55d/9195c022f45e480ca26ee6987d4aa99e/FLAGaa7660503 [2023-12-09 15:01:47,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a84f6e55d/9195c022f45e480ca26ee6987d4aa99e [2023-12-09 15:01:47,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:01:47,973 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:01:47,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:01:47,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:01:47,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:01:47,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:01:47" (1/1) ... [2023-12-09 15:01:47,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36681a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:47, skipping insertion in model container [2023-12-09 15:01:47,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:01:47" (1/1) ... [2023-12-09 15:01:48,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:01:48,179 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_42-traces-ex-mini_true.i[1091,1104] [2023-12-09 15:01:48,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:01:48,349 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:01:48,360 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_42-traces-ex-mini_true.i[1091,1104] [2023-12-09 15:01:48,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:01:48,441 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:01:48,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48 WrapperNode [2023-12-09 15:01:48,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:01:48,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:01:48,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:01:48,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:01:48,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,501 INFO L138 Inliner]: procedures = 163, calls = 40, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-12-09 15:01:48,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:01:48,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:01:48,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:01:48,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:01:48,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:01:48,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:01:48,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:01:48,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:01:48,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (1/1) ... [2023-12-09 15:01:48,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:01:48,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:01:48,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-09 15:01:48,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-09 15:01:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:01:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-09 15:01:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:01:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:01:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-09 15:01:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-09 15:01:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:01:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:01:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-09 15:01:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:01:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:01:48,606 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 15:01:48,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:01:48,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:01:48,905 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:01:48,942 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:01:48,943 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:01:48,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:01:48 BoogieIcfgContainer [2023-12-09 15:01:48,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:01:48,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:01:48,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:01:48,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:01:48,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:01:47" (1/3) ... [2023-12-09 15:01:48,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c29daec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:01:48, skipping insertion in model container [2023-12-09 15:01:48,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:01:48" (2/3) ... [2023-12-09 15:01:48,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c29daec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:01:48, skipping insertion in model container [2023-12-09 15:01:48,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:01:48" (3/3) ... [2023-12-09 15:01:48,951 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2023-12-09 15:01:48,967 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:01:48,967 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:01:48,967 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:01:49,018 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-09 15:01:49,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 79 transitions, 162 flow [2023-12-09 15:01:49,084 INFO L124 PetriNetUnfolderBase]: 1/78 cut-off events. [2023-12-09 15:01:49,084 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 15:01:49,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 1/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2023-12-09 15:01:49,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 79 transitions, 162 flow [2023-12-09 15:01:49,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow [2023-12-09 15:01:49,099 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:01:49,105 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;@461d19bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:01:49,105 INFO L363 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-09 15:01:49,122 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:01:49,123 INFO L124 PetriNetUnfolderBase]: 0/59 cut-off events. [2023-12-09 15:01:49,123 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 15:01:49,123 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:01:49,124 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:01:49,124 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:01:49,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:01:49,129 INFO L85 PathProgramCache]: Analyzing trace with hash -633875176, now seen corresponding path program 1 times [2023-12-09 15:01:49,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:01:49,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143774860] [2023-12-09 15:01:49,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:01:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:01:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:01:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:01:49,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:01:49,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143774860] [2023-12-09 15:01:49,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143774860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:01:49,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:01:49,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-09 15:01:49,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869534255] [2023-12-09 15:01:49,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:01:49,717 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-09 15:01:49,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:01:49,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-09 15:01:49,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-09 15:01:49,747 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 79 [2023-12-09 15:01:49,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 61 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:49,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:01:49,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 79 [2023-12-09 15:01:49,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:01:49,951 INFO L124 PetriNetUnfolderBase]: 44/190 cut-off events. [2023-12-09 15:01:49,951 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-12-09 15:01:49,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 190 events. 44/190 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 606 event pairs, 16 based on Foata normal form. 7/197 useless extension candidates. Maximal degree in co-relation 263. Up to 47 conditions per place. [2023-12-09 15:01:49,955 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 18 selfloop transitions, 3 changer transitions 17/84 dead transitions. [2023-12-09 15:01:49,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 84 transitions, 247 flow [2023-12-09 15:01:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-09 15:01:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-12-09 15:01:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 432 transitions. [2023-12-09 15:01:49,975 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7811934900542495 [2023-12-09 15:01:49,976 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 432 transitions. [2023-12-09 15:01:49,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 432 transitions. [2023-12-09 15:01:49,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:01:49,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 432 transitions. [2023-12-09 15:01:49,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 61.714285714285715) internal successors, (432), 7 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) [2023-12-09 15:01:49,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:49,992 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:49,996 INFO L308 CegarLoopForPetriNet]: 65 programPoint places, 6 predicate places. [2023-12-09 15:01:49,996 INFO L500 AbstractCegarLoop]: Abstraction has has 71 places, 84 transitions, 247 flow [2023-12-09 15:01:49,996 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:49,996 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:01:49,997 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:01:49,997 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:01:49,997 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:01:49,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:01:49,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1554818923, now seen corresponding path program 1 times [2023-12-09 15:01:49,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:01:49,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71811330] [2023-12-09 15:01:49,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:01:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:01:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:01:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:01:50,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:01:50,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71811330] [2023-12-09 15:01:50,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71811330] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:01:50,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:01:50,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-09 15:01:50,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833560526] [2023-12-09 15:01:50,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:01:50,170 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-09 15:01:50,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:01:50,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-09 15:01:50,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-09 15:01:50,171 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 79 [2023-12-09 15:01:50,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 84 transitions, 247 flow. Second operand has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:01:50,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 79 [2023-12-09 15:01:50,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:01:50,244 INFO L124 PetriNetUnfolderBase]: 19/133 cut-off events. [2023-12-09 15:01:50,245 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-12-09 15:01:50,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 133 events. 19/133 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 278 event pairs, 2 based on Foata normal form. 8/141 useless extension candidates. Maximal degree in co-relation 191. Up to 39 conditions per place. [2023-12-09 15:01:50,246 INFO L140 encePairwiseOnDemand]: 74/79 looper letters, 18 selfloop transitions, 5 changer transitions 8/75 dead transitions. [2023-12-09 15:01:50,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 75 transitions, 267 flow [2023-12-09 15:01:50,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-09 15:01:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-12-09 15:01:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 294 transitions. [2023-12-09 15:01:50,248 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7443037974683544 [2023-12-09 15:01:50,248 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 294 transitions. [2023-12-09 15:01:50,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 294 transitions. [2023-12-09 15:01:50,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:01:50,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 294 transitions. [2023-12-09 15:01:50,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,251 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,251 INFO L308 CegarLoopForPetriNet]: 65 programPoint places, 8 predicate places. [2023-12-09 15:01:50,252 INFO L500 AbstractCegarLoop]: Abstraction has has 73 places, 75 transitions, 267 flow [2023-12-09 15:01:50,252 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,252 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:01:50,252 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:01:50,252 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 15:01:50,253 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:01:50,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:01:50,253 INFO L85 PathProgramCache]: Analyzing trace with hash 668930024, now seen corresponding path program 1 times [2023-12-09 15:01:50,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:01:50,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898492301] [2023-12-09 15:01:50,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:01:50,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:01:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:01:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:01:50,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:01:50,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898492301] [2023-12-09 15:01:50,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898492301] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:01:50,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:01:50,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 15:01:50,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554160499] [2023-12-09 15:01:50,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:01:50,482 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 15:01:50,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:01:50,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 15:01:50,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-09 15:01:50,485 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 79 [2023-12-09 15:01:50,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 267 flow. Second operand has 6 states, 6 states have (on average 57.166666666666664) internal successors, (343), 6 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:01:50,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 79 [2023-12-09 15:01:50,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:01:50,584 INFO L124 PetriNetUnfolderBase]: 8/89 cut-off events. [2023-12-09 15:01:50,586 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-12-09 15:01:50,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 89 events. 8/89 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 120 event pairs, 1 based on Foata normal form. 2/91 useless extension candidates. Maximal degree in co-relation 131. Up to 22 conditions per place. [2023-12-09 15:01:50,592 INFO L140 encePairwiseOnDemand]: 74/79 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2023-12-09 15:01:50,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 67 transitions, 293 flow [2023-12-09 15:01:50,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-09 15:01:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-12-09 15:01:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 293 transitions. [2023-12-09 15:01:50,594 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7417721518987341 [2023-12-09 15:01:50,594 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 293 transitions. [2023-12-09 15:01:50,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 293 transitions. [2023-12-09 15:01:50,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:01:50,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 293 transitions. [2023-12-09 15:01:50,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 58.6) internal successors, (293), 5 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,598 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,600 INFO L308 CegarLoopForPetriNet]: 65 programPoint places, 10 predicate places. [2023-12-09 15:01:50,600 INFO L500 AbstractCegarLoop]: Abstraction has has 75 places, 67 transitions, 293 flow [2023-12-09 15:01:50,601 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.166666666666664) internal successors, (343), 6 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:50,608 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_42-traces-ex-mini_true.i_BEv2_AllErrorsAtOnce [2023-12-09 15:01:50,655 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-09 15:01:50,657 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-12-09 15:01:50,657 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-09 15:01:50,658 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-09 15:01:50,661 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:01:50,661 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:01:50,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:01:50 BasicIcfg [2023-12-09 15:01:50,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:01:50,673 INFO L158 Benchmark]: Toolchain (without parser) took 2700.22ms. Allocated memory is still 254.8MB. Free memory was 201.9MB in the beginning and 217.7MB in the end (delta: -15.7MB). Peak memory consumption was 102.2MB. Max. memory is 8.0GB. [2023-12-09 15:01:50,674 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:01:50,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.71ms. Allocated memory is still 254.8MB. Free memory was 201.9MB in the beginning and 182.0MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-09 15:01:50,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.67ms. Allocated memory is still 254.8MB. Free memory was 182.0MB in the beginning and 179.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:01:50,678 INFO L158 Benchmark]: Boogie Preprocessor took 33.44ms. Allocated memory is still 254.8MB. Free memory was 179.9MB in the beginning and 178.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 15:01:50,679 INFO L158 Benchmark]: RCFGBuilder took 408.61ms. Allocated memory is still 254.8MB. Free memory was 178.9MB in the beginning and 162.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-09 15:01:50,679 INFO L158 Benchmark]: TraceAbstraction took 1726.69ms. Allocated memory is still 254.8MB. Free memory was 161.6MB in the beginning and 217.7MB in the end (delta: -56.1MB). Peak memory consumption was 62.4MB. Max. memory is 8.0GB. [2023-12-09 15:01:50,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 466.71ms. Allocated memory is still 254.8MB. Free memory was 201.9MB in the beginning and 182.0MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.67ms. Allocated memory is still 254.8MB. Free memory was 182.0MB in the beginning and 179.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.44ms. Allocated memory is still 254.8MB. Free memory was 179.9MB in the beginning and 178.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 408.61ms. Allocated memory is still 254.8MB. Free memory was 178.9MB in the beginning and 162.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1726.69ms. Allocated memory is still 254.8MB. Free memory was 161.6MB in the beginning and 217.7MB in the end (delta: -56.1MB). Peak memory consumption was 62.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 94 locations, 2 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: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 14 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 0.8s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-09 15:01:50,705 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...