/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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 09:13:27,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 09:13:27,645 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 [2023-11-30 09:13:27,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 09:13:27,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 09:13:27,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 09:13:27,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 09:13:27,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 09:13:27,677 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 09:13:27,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 09:13:27,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 09:13:27,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 09:13:27,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 09:13:27,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 09:13:27,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 09:13:27,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 09:13:27,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 09:13:27,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 09:13:27,683 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 09:13:27,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 09:13:27,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 09:13:27,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 09:13:27,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 09:13:27,685 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 09:13:27,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 09:13:27,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:13:27,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 09:13:27,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 09:13:27,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 09:13:27,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 09:13:27,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 09:13:27,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 09:13:27,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 09:13:27,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 09:13:27,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 09:13:27,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 09:13:27,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 09:13:27,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 09:13:27,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 09:13:27,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2023-11-30 09:13:29,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 09:13:29,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 09:13:29,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2023-11-30 09:13:29,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb0e809b8/720a6cd31ca44324861d3b58e7d2e9e7/FLAGabd04ffab [2023-11-30 09:13:29,246 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb0e809b8/720a6cd31ca44324861d3b58e7d2e9e7 [2023-11-30 09:13:29,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 09:13:29,250 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 09:13:29,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 09:13:29,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 09:13:29,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 09:13:29,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b1fb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29, skipping insertion in model container [2023-11-30 09:13:29,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 09:13:29,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:13:29,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 09:13:29,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:13:29,513 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:13:29,513 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:13:29,520 INFO L206 MainTranslator]: Completed translation [2023-11-30 09:13:29,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29 WrapperNode [2023-11-30 09:13:29,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 09:13:29,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 09:13:29,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 09:13:29,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 09:13:29,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,582 INFO L138 Inliner]: procedures = 22, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2023-11-30 09:13:29,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 09:13:29,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 09:13:29,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 09:13:29,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 09:13:29,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 09:13:29,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 09:13:29,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 09:13:29,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 09:13:29,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (1/1) ... [2023-11-30 09:13:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:13:29,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 09:13:29,649 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) [2023-11-30 09:13:29,672 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 [2023-11-30 09:13:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 09:13:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 09:13:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 09:13:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 09:13:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 09:13:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-30 09:13:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-30 09:13:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 09:13:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 09:13:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 09:13:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 09:13:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 09:13:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 09:13:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 09:13:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 09:13:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 09:13:29,685 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 09:13:29,771 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 09:13:29,772 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 09:13:30,077 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 09:13:30,183 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 09:13:30,184 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 09:13:30,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:30 BoogieIcfgContainer [2023-11-30 09:13:30,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 09:13:30,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 09:13:30,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 09:13:30,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 09:13:30,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 09:13:29" (1/3) ... [2023-11-30 09:13:30,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2601d4b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:30, skipping insertion in model container [2023-11-30 09:13:30,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:29" (2/3) ... [2023-11-30 09:13:30,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2601d4b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:30, skipping insertion in model container [2023-11-30 09:13:30,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:30" (3/3) ... [2023-11-30 09:13:30,192 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2023-11-30 09:13:30,204 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 09:13:30,205 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-30 09:13:30,205 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 09:13:30,262 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-30 09:13:30,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 139 transitions, 299 flow [2023-11-30 09:13:30,370 INFO L124 PetriNetUnfolderBase]: 2/136 cut-off events. [2023-11-30 09:13:30,370 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-30 09:13:30,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 136 events. 2/136 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2023-11-30 09:13:30,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 147 places, 139 transitions, 299 flow [2023-11-30 09:13:30,382 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 112 transitions, 239 flow [2023-11-30 09:13:30,394 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 09:13:30,401 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;@29eb894b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 09:13:30,401 INFO L363 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-30 09:13:30,424 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 09:13:30,424 INFO L124 PetriNetUnfolderBase]: 1/59 cut-off events. [2023-11-30 09:13:30,424 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 09:13:30,424 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:30,425 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] [2023-11-30 09:13:30,425 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:30,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:30,430 INFO L85 PathProgramCache]: Analyzing trace with hash -361282968, now seen corresponding path program 1 times [2023-11-30 09:13:30,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:30,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367724035] [2023-11-30 09:13:30,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:30,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:30,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:30,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367724035] [2023-11-30 09:13:30,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367724035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:30,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:30,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:13:30,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648006362] [2023-11-30 09:13:30,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:30,831 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:13:30,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:30,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:13:30,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:13:30,863 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 139 [2023-11-30 09:13:30,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 112 transitions, 239 flow. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 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) [2023-11-30 09:13:30,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:30,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 139 [2023-11-30 09:13:30,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:31,234 INFO L124 PetriNetUnfolderBase]: 720/1550 cut-off events. [2023-11-30 09:13:31,234 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2023-11-30 09:13:31,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2907 conditions, 1550 events. 720/1550 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 10990 event pairs, 720 based on Foata normal form. 1/989 useless extension candidates. Maximal degree in co-relation 2745. Up to 1180 conditions per place. [2023-11-30 09:13:31,253 INFO L140 encePairwiseOnDemand]: 132/139 looper letters, 27 selfloop transitions, 3 changer transitions 1/108 dead transitions. [2023-11-30 09:13:31,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 108 transitions, 291 flow [2023-11-30 09:13:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:13:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:13:31,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 438 transitions. [2023-11-30 09:13:31,270 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7877697841726619 [2023-11-30 09:13:31,270 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 438 transitions. [2023-11-30 09:13:31,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 438 transitions. [2023-11-30 09:13:31,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:31,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 438 transitions. [2023-11-30 09:13:31,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:31,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 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) [2023-11-30 09:13:31,287 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 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) [2023-11-30 09:13:31,290 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 0 predicate places. [2023-11-30 09:13:31,291 INFO L500 AbstractCegarLoop]: Abstraction has has 121 places, 108 transitions, 291 flow [2023-11-30 09:13:31,291 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 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) [2023-11-30 09:13:31,291 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:31,291 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] [2023-11-30 09:13:31,292 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 09:13:31,292 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:31,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:31,293 INFO L85 PathProgramCache]: Analyzing trace with hash -361282967, now seen corresponding path program 1 times [2023-11-30 09:13:31,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:31,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596192969] [2023-11-30 09:13:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:31,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:31,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:31,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596192969] [2023-11-30 09:13:31,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596192969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:31,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:31,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:13:31,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603515729] [2023-11-30 09:13:31,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:31,498 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:13:31,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:31,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:13:31,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:13:31,500 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 139 [2023-11-30 09:13:31,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 108 transitions, 291 flow. Second operand has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 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) [2023-11-30 09:13:31,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:31,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 139 [2023-11-30 09:13:31,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:31,827 INFO L124 PetriNetUnfolderBase]: 699/1440 cut-off events. [2023-11-30 09:13:31,828 INFO L125 PetriNetUnfolderBase]: For 349/571 co-relation queries the response was YES. [2023-11-30 09:13:31,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3910 conditions, 1440 events. 699/1440 cut-off events. For 349/571 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9748 event pairs, 589 based on Foata normal form. 0/909 useless extension candidates. Maximal degree in co-relation 3723. Up to 1148 conditions per place. [2023-11-30 09:13:31,839 INFO L140 encePairwiseOnDemand]: 128/139 looper letters, 28 selfloop transitions, 8 changer transitions 1/113 dead transitions. [2023-11-30 09:13:31,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 113 transitions, 391 flow [2023-11-30 09:13:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:13:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:13:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 505 transitions. [2023-11-30 09:13:31,842 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7266187050359713 [2023-11-30 09:13:31,842 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 505 transitions. [2023-11-30 09:13:31,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 505 transitions. [2023-11-30 09:13:31,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:31,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 505 transitions. [2023-11-30 09:13:31,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 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) [2023-11-30 09:13:31,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 139.0) internal successors, (834), 6 states have internal predecessors, (834), 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) [2023-11-30 09:13:31,846 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 139.0) internal successors, (834), 6 states have internal predecessors, (834), 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) [2023-11-30 09:13:31,847 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 4 predicate places. [2023-11-30 09:13:31,847 INFO L500 AbstractCegarLoop]: Abstraction has has 125 places, 113 transitions, 391 flow [2023-11-30 09:13:31,847 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 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) [2023-11-30 09:13:31,848 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:31,848 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] [2023-11-30 09:13:31,848 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 09:13:31,848 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:31,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:31,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2141061292, now seen corresponding path program 1 times [2023-11-30 09:13:31,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:31,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165178420] [2023-11-30 09:13:31,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:31,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:31,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:31,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165178420] [2023-11-30 09:13:31,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165178420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:31,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:31,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:13:31,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142146885] [2023-11-30 09:13:31,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:31,970 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:13:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:31,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:13:31,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:13:31,976 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 139 [2023-11-30 09:13:31,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 113 transitions, 391 flow. Second operand has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 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) [2023-11-30 09:13:31,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:31,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 139 [2023-11-30 09:13:31,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:32,180 INFO L124 PetriNetUnfolderBase]: 434/1036 cut-off events. [2023-11-30 09:13:32,180 INFO L125 PetriNetUnfolderBase]: For 623/1051 co-relation queries the response was YES. [2023-11-30 09:13:32,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3355 conditions, 1036 events. 434/1036 cut-off events. For 623/1051 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6647 event pairs, 380 based on Foata normal form. 0/755 useless extension candidates. Maximal degree in co-relation 2752. Up to 728 conditions per place. [2023-11-30 09:13:32,188 INFO L140 encePairwiseOnDemand]: 133/139 looper letters, 29 selfloop transitions, 3 changer transitions 1/110 dead transitions. [2023-11-30 09:13:32,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 110 transitions, 437 flow [2023-11-30 09:13:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:13:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:13:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 434 transitions. [2023-11-30 09:13:32,189 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7805755395683454 [2023-11-30 09:13:32,189 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 434 transitions. [2023-11-30 09:13:32,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 434 transitions. [2023-11-30 09:13:32,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:32,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 434 transitions. [2023-11-30 09:13:32,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 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) [2023-11-30 09:13:32,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 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) [2023-11-30 09:13:32,192 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 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) [2023-11-30 09:13:32,193 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 4 predicate places. [2023-11-30 09:13:32,193 INFO L500 AbstractCegarLoop]: Abstraction has has 125 places, 110 transitions, 437 flow [2023-11-30 09:13:32,193 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 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) [2023-11-30 09:13:32,193 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:32,193 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] [2023-11-30 09:13:32,194 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 09:13:32,194 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:32,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:32,194 INFO L85 PathProgramCache]: Analyzing trace with hash 2141061293, now seen corresponding path program 1 times [2023-11-30 09:13:32,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:32,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781663056] [2023-11-30 09:13:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:32,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:32,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:32,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781663056] [2023-11-30 09:13:32,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781663056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:32,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:32,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:13:32,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402287812] [2023-11-30 09:13:32,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:32,277 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:13:32,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:32,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:13:32,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:13:32,278 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 139 [2023-11-30 09:13:32,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 110 transitions, 437 flow. Second operand has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 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) [2023-11-30 09:13:32,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:32,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 139 [2023-11-30 09:13:32,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:32,427 INFO L124 PetriNetUnfolderBase]: 293/820 cut-off events. [2023-11-30 09:13:32,427 INFO L125 PetriNetUnfolderBase]: For 753/1401 co-relation queries the response was YES. [2023-11-30 09:13:32,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3004 conditions, 820 events. 293/820 cut-off events. For 753/1401 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4903 event pairs, 88 based on Foata normal form. 1/673 useless extension candidates. Maximal degree in co-relation 2779. Up to 516 conditions per place. [2023-11-30 09:13:32,434 INFO L140 encePairwiseOnDemand]: 128/139 looper letters, 39 selfloop transitions, 8 changer transitions 1/124 dead transitions. [2023-11-30 09:13:32,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 124 transitions, 651 flow [2023-11-30 09:13:32,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:13:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:13:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 511 transitions. [2023-11-30 09:13:32,436 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7352517985611511 [2023-11-30 09:13:32,436 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 511 transitions. [2023-11-30 09:13:32,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 511 transitions. [2023-11-30 09:13:32,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:32,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 511 transitions. [2023-11-30 09:13:32,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 102.2) internal successors, (511), 5 states have internal predecessors, (511), 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) [2023-11-30 09:13:32,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 139.0) internal successors, (834), 6 states have internal predecessors, (834), 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) [2023-11-30 09:13:32,439 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 139.0) internal successors, (834), 6 states have internal predecessors, (834), 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) [2023-11-30 09:13:32,441 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 8 predicate places. [2023-11-30 09:13:32,441 INFO L500 AbstractCegarLoop]: Abstraction has has 129 places, 124 transitions, 651 flow [2023-11-30 09:13:32,441 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 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) [2023-11-30 09:13:32,441 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:32,442 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] [2023-11-30 09:13:32,442 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 09:13:32,442 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:32,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:32,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1117332704, now seen corresponding path program 1 times [2023-11-30 09:13:32,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:32,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087959557] [2023-11-30 09:13:32,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:32,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:32,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:32,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087959557] [2023-11-30 09:13:32,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087959557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:32,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:32,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 09:13:32,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68648855] [2023-11-30 09:13:32,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:32,582 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 09:13:32,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 09:13:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-30 09:13:32,584 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 139 [2023-11-30 09:13:32,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 124 transitions, 651 flow. Second operand has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2023-11-30 09:13:32,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:32,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 139 [2023-11-30 09:13:32,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:32,768 INFO L124 PetriNetUnfolderBase]: 232/640 cut-off events. [2023-11-30 09:13:32,768 INFO L125 PetriNetUnfolderBase]: For 938/1327 co-relation queries the response was YES. [2023-11-30 09:13:32,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2845 conditions, 640 events. 232/640 cut-off events. For 938/1327 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3536 event pairs, 59 based on Foata normal form. 5/544 useless extension candidates. Maximal degree in co-relation 2077. Up to 419 conditions per place. [2023-11-30 09:13:32,775 INFO L140 encePairwiseOnDemand]: 128/139 looper letters, 48 selfloop transitions, 14 changer transitions 1/139 dead transitions. [2023-11-30 09:13:32,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 139 transitions, 936 flow [2023-11-30 09:13:32,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:13:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:13:32,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 606 transitions. [2023-11-30 09:13:32,777 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7266187050359713 [2023-11-30 09:13:32,778 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 606 transitions. [2023-11-30 09:13:32,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 606 transitions. [2023-11-30 09:13:32,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:32,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 606 transitions. [2023-11-30 09:13:32,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.0) internal successors, (606), 6 states have internal predecessors, (606), 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) [2023-11-30 09:13:32,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 139.0) internal successors, (973), 7 states have internal predecessors, (973), 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) [2023-11-30 09:13:32,782 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 139.0) internal successors, (973), 7 states have internal predecessors, (973), 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) [2023-11-30 09:13:32,784 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 13 predicate places. [2023-11-30 09:13:32,785 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 139 transitions, 936 flow [2023-11-30 09:13:32,785 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2023-11-30 09:13:32,785 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:32,785 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] [2023-11-30 09:13:32,785 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 09:13:32,786 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:32,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:32,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1667542106, now seen corresponding path program 1 times [2023-11-30 09:13:32,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:32,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569838059] [2023-11-30 09:13:32,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:32,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:32,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569838059] [2023-11-30 09:13:32,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569838059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:32,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:32,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 09:13:32,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856753127] [2023-11-30 09:13:32,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:32,960 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 09:13:32,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:32,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 09:13:32,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-30 09:13:32,961 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 139 [2023-11-30 09:13:32,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 139 transitions, 936 flow. Second operand has 6 states, 6 states have (on average 95.66666666666667) internal successors, (574), 6 states have internal predecessors, (574), 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) [2023-11-30 09:13:32,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:32,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 139 [2023-11-30 09:13:32,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:33,120 INFO L124 PetriNetUnfolderBase]: 185/563 cut-off events. [2023-11-30 09:13:33,120 INFO L125 PetriNetUnfolderBase]: For 1168/1631 co-relation queries the response was YES. [2023-11-30 09:13:33,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2669 conditions, 563 events. 185/563 cut-off events. For 1168/1631 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2992 event pairs, 33 based on Foata normal form. 6/520 useless extension candidates. Maximal degree in co-relation 2386. Up to 334 conditions per place. [2023-11-30 09:13:33,126 INFO L140 encePairwiseOnDemand]: 128/139 looper letters, 59 selfloop transitions, 14 changer transitions 4/153 dead transitions. [2023-11-30 09:13:33,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 153 transitions, 1264 flow [2023-11-30 09:13:33,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:13:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:13:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 618 transitions. [2023-11-30 09:13:33,128 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7410071942446043 [2023-11-30 09:13:33,128 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 618 transitions. [2023-11-30 09:13:33,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 618 transitions. [2023-11-30 09:13:33,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:33,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 618 transitions. [2023-11-30 09:13:33,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2023-11-30 09:13:33,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 139.0) internal successors, (973), 7 states have internal predecessors, (973), 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) [2023-11-30 09:13:33,133 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 139.0) internal successors, (973), 7 states have internal predecessors, (973), 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) [2023-11-30 09:13:33,134 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 18 predicate places. [2023-11-30 09:13:33,135 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 153 transitions, 1264 flow [2023-11-30 09:13:33,135 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.66666666666667) internal successors, (574), 6 states have internal predecessors, (574), 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) [2023-11-30 09:13:33,135 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:33,135 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] [2023-11-30 09:13:33,135 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 09:13:33,135 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:33,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:33,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1427525873, now seen corresponding path program 1 times [2023-11-30 09:13:33,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:33,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926417745] [2023-11-30 09:13:33,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:33,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:33,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:33,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926417745] [2023-11-30 09:13:33,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926417745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:33,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:33,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 09:13:33,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456114368] [2023-11-30 09:13:33,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:33,272 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 09:13:33,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:33,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 09:13:33,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-30 09:13:33,274 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 139 [2023-11-30 09:13:33,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 153 transitions, 1264 flow. Second operand has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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) [2023-11-30 09:13:33,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:33,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 139 [2023-11-30 09:13:33,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:33,412 INFO L124 PetriNetUnfolderBase]: 138/435 cut-off events. [2023-11-30 09:13:33,412 INFO L125 PetriNetUnfolderBase]: For 1512/2024 co-relation queries the response was YES. [2023-11-30 09:13:33,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2306 conditions, 435 events. 138/435 cut-off events. For 1512/2024 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1991 event pairs, 2 based on Foata normal form. 11/431 useless extension candidates. Maximal degree in co-relation 1702. Up to 253 conditions per place. [2023-11-30 09:13:33,417 INFO L140 encePairwiseOnDemand]: 128/139 looper letters, 56 selfloop transitions, 23 changer transitions 4/159 dead transitions. [2023-11-30 09:13:33,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 159 transitions, 1523 flow [2023-11-30 09:13:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 09:13:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 09:13:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 704 transitions. [2023-11-30 09:13:33,420 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.723535457348407 [2023-11-30 09:13:33,420 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 704 transitions. [2023-11-30 09:13:33,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 704 transitions. [2023-11-30 09:13:33,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:33,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 704 transitions. [2023-11-30 09:13:33,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 100.57142857142857) internal successors, (704), 7 states have internal predecessors, (704), 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) [2023-11-30 09:13:33,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2023-11-30 09:13:33,424 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2023-11-30 09:13:33,425 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 21 predicate places. [2023-11-30 09:13:33,425 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 159 transitions, 1523 flow [2023-11-30 09:13:33,426 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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) [2023-11-30 09:13:33,426 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:33,426 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, 1] [2023-11-30 09:13:33,426 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 09:13:33,426 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-30 09:13:33,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:33,427 INFO L85 PathProgramCache]: Analyzing trace with hash -666195662, now seen corresponding path program 1 times [2023-11-30 09:13:33,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:33,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331936141] [2023-11-30 09:13:33,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:33,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:33,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:33,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331936141] [2023-11-30 09:13:33,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331936141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:33,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:33,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 09:13:33,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92508138] [2023-11-30 09:13:33,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:33,590 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 09:13:33,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:33,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 09:13:33,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-30 09:13:33,591 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 139 [2023-11-30 09:13:33,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 159 transitions, 1523 flow. Second operand has 7 states, 7 states have (on average 95.85714285714286) internal successors, (671), 7 states have internal predecessors, (671), 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) [2023-11-30 09:13:33,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:33,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 139 [2023-11-30 09:13:33,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:33,713 INFO L124 PetriNetUnfolderBase]: 135/428 cut-off events. [2023-11-30 09:13:33,713 INFO L125 PetriNetUnfolderBase]: For 2057/2665 co-relation queries the response was YES. [2023-11-30 09:13:33,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2482 conditions, 428 events. 135/428 cut-off events. For 2057/2665 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1929 event pairs, 2 based on Foata normal form. 7/424 useless extension candidates. Maximal degree in co-relation 1871. Up to 244 conditions per place. [2023-11-30 09:13:33,715 INFO L140 encePairwiseOnDemand]: 128/139 looper letters, 0 selfloop transitions, 0 changer transitions 158/158 dead transitions. [2023-11-30 09:13:33,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 158 transitions, 1677 flow [2023-11-30 09:13:33,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 09:13:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 09:13:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 701 transitions. [2023-11-30 09:13:33,717 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7204522096608428 [2023-11-30 09:13:33,717 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 701 transitions. [2023-11-30 09:13:33,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 701 transitions. [2023-11-30 09:13:33,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:33,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 701 transitions. [2023-11-30 09:13:33,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 100.14285714285714) internal successors, (701), 7 states have internal predecessors, (701), 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) [2023-11-30 09:13:33,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2023-11-30 09:13:33,721 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2023-11-30 09:13:33,722 INFO L307 CegarLoopForPetriNet]: 121 programPoint places, 24 predicate places. [2023-11-30 09:13:33,722 INFO L500 AbstractCegarLoop]: Abstraction has has 145 places, 158 transitions, 1677 flow [2023-11-30 09:13:33,724 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 95.85714285714286) internal successors, (671), 7 states have internal predecessors, (671), 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) [2023-11-30 09:13:33,728 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/parallel-ticket-3.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 09:13:33,760 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 27 remaining) [2023-11-30 09:13:33,760 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 27 remaining) [2023-11-30 09:13:33,760 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 27 remaining) [2023-11-30 09:13:33,760 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 27 remaining) [2023-11-30 09:13:33,760 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 27 remaining) [2023-11-30 09:13:33,761 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 27 remaining) [2023-11-30 09:13:33,761 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 27 remaining) [2023-11-30 09:13:33,761 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 27 remaining) [2023-11-30 09:13:33,761 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 27 remaining) [2023-11-30 09:13:33,761 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 27 remaining) [2023-11-30 09:13:33,761 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 27 remaining) [2023-11-30 09:13:33,761 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 27 remaining) [2023-11-30 09:13:33,762 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 27 remaining) [2023-11-30 09:13:33,763 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 27 remaining) [2023-11-30 09:13:33,763 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 27 remaining) [2023-11-30 09:13:33,763 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 27 remaining) [2023-11-30 09:13:33,763 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 27 remaining) [2023-11-30 09:13:33,763 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 27 remaining) [2023-11-30 09:13:33,763 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 27 remaining) [2023-11-30 09:13:33,763 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 27 remaining) [2023-11-30 09:13:33,763 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 09:13:33,764 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:33,768 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 09:13:33,768 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 09:13:33,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 09:13:33 BasicIcfg [2023-11-30 09:13:33,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 09:13:33,773 INFO L158 Benchmark]: Toolchain (without parser) took 4523.57ms. Allocated memory was 513.8MB in the beginning and 755.0MB in the end (delta: 241.2MB). Free memory was 457.5MB in the beginning and 634.7MB in the end (delta: -177.2MB). Peak memory consumption was 65.8MB. Max. memory is 16.0GB. [2023-11-30 09:13:33,774 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 331.4MB. Free memory is still 279.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 09:13:33,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.31ms. Allocated memory is still 513.8MB. Free memory was 457.5MB in the beginning and 446.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-11-30 09:13:33,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.07ms. Allocated memory is still 513.8MB. Free memory was 446.1MB in the beginning and 444.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 09:13:33,775 INFO L158 Benchmark]: Boogie Preprocessor took 29.27ms. Allocated memory is still 513.8MB. Free memory was 444.1MB in the beginning and 442.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 09:13:33,775 INFO L158 Benchmark]: RCFGBuilder took 572.47ms. Allocated memory is still 513.8MB. Free memory was 442.5MB in the beginning and 416.2MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-11-30 09:13:33,775 INFO L158 Benchmark]: TraceAbstraction took 3585.88ms. Allocated memory was 513.8MB in the beginning and 755.0MB in the end (delta: 241.2MB). Free memory was 415.3MB in the beginning and 634.7MB in the end (delta: -219.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.0GB. [2023-11-30 09:13:33,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 331.4MB. Free memory is still 279.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 268.31ms. Allocated memory is still 513.8MB. Free memory was 457.5MB in the beginning and 446.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.07ms. Allocated memory is still 513.8MB. Free memory was 446.1MB in the beginning and 444.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.27ms. Allocated memory is still 513.8MB. Free memory was 444.1MB in the beginning and 442.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 572.47ms. Allocated memory is still 513.8MB. Free memory was 442.5MB in the beginning and 416.2MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * TraceAbstraction took 3585.88ms. Allocated memory was 513.8MB in the beginning and 755.0MB in the end (delta: 241.2MB). Free memory was 415.3MB in the beginning and 634.7MB in the end (delta: -219.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 178 locations, 27 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: 3.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 46 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1677occurred in iteration=8, InterpolantAutomatonStates: 44, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 1063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 09:13:33,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...