/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/chl-time-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 08:52:39,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 08:52:39,157 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 08:52:39,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 08:52:39,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 08:52:39,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 08:52:39,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 08:52:39,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 08:52:39,183 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 08:52:39,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 08:52:39,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 08:52:39,186 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 08:52:39,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 08:52:39,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 08:52:39,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 08:52:39,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 08:52:39,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 08:52:39,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 08:52:39,187 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 08:52:39,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 08:52:39,188 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 08:52:39,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 08:52:39,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 08:52:39,189 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 08:52:39,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 08:52:39,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:52:39,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 08:52:39,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 08:52:39,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 08:52:39,190 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 08:52:39,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 08:52:39,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 08:52:39,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 08:52:39,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 08:52:39,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 08:52:39,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 08:52:39,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 08:52:39,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 08:52:39,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 08:52:39,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2023-11-30 08:52:40,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 08:52:40,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 08:52:40,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2023-11-30 08:52:40,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ee0548f/b776824b117a4b038c34abcc4261db74/FLAGcd79af064 [2023-11-30 08:52:40,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ee0548f/b776824b117a4b038c34abcc4261db74 [2023-11-30 08:52:40,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 08:52:40,637 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 08:52:40,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 08:52:40,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 08:52:40,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 08:52:40,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bb82bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40, skipping insertion in model container [2023-11-30 08:52:40,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 08:52:40,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:52:40,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 08:52:40,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:52:40,818 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 08:52:40,819 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 08:52:40,823 INFO L206 MainTranslator]: Completed translation [2023-11-30 08:52:40,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40 WrapperNode [2023-11-30 08:52:40,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 08:52:40,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 08:52:40,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 08:52:40,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 08:52:40,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,863 INFO L138 Inliner]: procedures = 23, calls = 40, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 311 [2023-11-30 08:52:40,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 08:52:40,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 08:52:40,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 08:52:40,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 08:52:40,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 08:52:40,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 08:52:40,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 08:52:40,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 08:52:40,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (1/1) ... [2023-11-30 08:52:40,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:52:40,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 08:52:40,970 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 08:52:41,040 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 08:52:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 08:52:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 08:52:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 08:52:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 08:52:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 08:52:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-30 08:52:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-30 08:52:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 08:52:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 08:52:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 08:52:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 08:52:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 08:52:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 08:52:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 08:52:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 08:52:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 08:52:41,064 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 08:52:41,161 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 08:52:41,164 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 08:52:41,554 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 08:52:41,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 08:52:41,959 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 08:52:41,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:52:41 BoogieIcfgContainer [2023-11-30 08:52:41,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 08:52:41,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 08:52:41,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 08:52:41,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 08:52:41,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 08:52:40" (1/3) ... [2023-11-30 08:52:41,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6def4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:52:41, skipping insertion in model container [2023-11-30 08:52:41,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:40" (2/3) ... [2023-11-30 08:52:41,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6def4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:52:41, skipping insertion in model container [2023-11-30 08:52:41,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:52:41" (3/3) ... [2023-11-30 08:52:41,966 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-trans.wvr.c [2023-11-30 08:52:41,978 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 08:52:41,978 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-30 08:52:41,978 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 08:52:42,161 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-30 08:52:42,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 159 transitions, 339 flow [2023-11-30 08:52:42,264 INFO L124 PetriNetUnfolderBase]: 4/156 cut-off events. [2023-11-30 08:52:42,264 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-30 08:52:42,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 156 events. 4/156 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 225 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2023-11-30 08:52:42,271 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 159 transitions, 339 flow [2023-11-30 08:52:42,277 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 132 transitions, 279 flow [2023-11-30 08:52:42,288 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 08:52:42,293 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;@5a68d5d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 08:52:42,293 INFO L363 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2023-11-30 08:52:42,305 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 08:52:42,305 INFO L124 PetriNetUnfolderBase]: 1/63 cut-off events. [2023-11-30 08:52:42,305 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:52:42,305 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:42,306 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] [2023-11-30 08:52:42,306 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:42,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:42,309 INFO L85 PathProgramCache]: Analyzing trace with hash -178463523, now seen corresponding path program 1 times [2023-11-30 08:52:42,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:42,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385414030] [2023-11-30 08:52:42,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:42,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:42,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:42,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385414030] [2023-11-30 08:52:42,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385414030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:42,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:42,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-30 08:52:42,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352465155] [2023-11-30 08:52:42,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:42,615 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-30 08:52:42,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:42,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-30 08:52:42,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-30 08:52:42,640 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 159 [2023-11-30 08:52:42,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 132 transitions, 279 flow. Second operand has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 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 08:52:42,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:42,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 159 [2023-11-30 08:52:42,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:43,559 INFO L124 PetriNetUnfolderBase]: 2421/4022 cut-off events. [2023-11-30 08:52:43,560 INFO L125 PetriNetUnfolderBase]: For 441/441 co-relation queries the response was YES. [2023-11-30 08:52:43,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8000 conditions, 4022 events. 2421/4022 cut-off events. For 441/441 co-relation queries the response was YES. Maximal size of possible extension queue 840. Compared 27937 event pairs, 2079 based on Foata normal form. 0/836 useless extension candidates. Maximal degree in co-relation 7795. Up to 3642 conditions per place. [2023-11-30 08:52:43,592 INFO L140 encePairwiseOnDemand]: 147/159 looper letters, 35 selfloop transitions, 0 changer transitions 0/120 dead transitions. [2023-11-30 08:52:43,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 120 transitions, 325 flow [2023-11-30 08:52:43,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-30 08:52:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-30 08:52:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions. [2023-11-30 08:52:43,606 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2023-11-30 08:52:43,607 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 265 transitions. [2023-11-30 08:52:43,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions. [2023-11-30 08:52:43,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:43,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions. [2023-11-30 08:52:43,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 08:52:43,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 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 08:52:43,618 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 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 08:52:43,621 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -11 predicate places. [2023-11-30 08:52:43,621 INFO L500 AbstractCegarLoop]: Abstraction has has 128 places, 120 transitions, 325 flow [2023-11-30 08:52:43,621 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 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 08:52:43,622 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:43,622 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] [2023-11-30 08:52:43,622 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 08:52:43,622 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:43,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash -178463522, now seen corresponding path program 1 times [2023-11-30 08:52:43,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878406601] [2023-11-30 08:52:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:43,796 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 08:52:43,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:43,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878406601] [2023-11-30 08:52:43,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878406601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:43,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:43,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:43,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896270133] [2023-11-30 08:52:43,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:43,798 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:43,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:43,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:43,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:43,799 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:43,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 325 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:43,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:43,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:43,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:44,493 INFO L124 PetriNetUnfolderBase]: 1982/3341 cut-off events. [2023-11-30 08:52:44,493 INFO L125 PetriNetUnfolderBase]: For 636/7188 co-relation queries the response was YES. [2023-11-30 08:52:44,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9599 conditions, 3341 events. 1982/3341 cut-off events. For 636/7188 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 22734 event pairs, 1682 based on Foata normal form. 0/762 useless extension candidates. Maximal degree in co-relation 9354. Up to 2986 conditions per place. [2023-11-30 08:52:44,520 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 36 selfloop transitions, 3 changer transitions 0/118 dead transitions. [2023-11-30 08:52:44,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 118 transitions, 395 flow [2023-11-30 08:52:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 449 transitions. [2023-11-30 08:52:44,522 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7059748427672956 [2023-11-30 08:52:44,522 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 449 transitions. [2023-11-30 08:52:44,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 449 transitions. [2023-11-30 08:52:44,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:44,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 449 transitions. [2023-11-30 08:52:44,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 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 08:52:44,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:44,526 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:44,527 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -10 predicate places. [2023-11-30 08:52:44,527 INFO L500 AbstractCegarLoop]: Abstraction has has 129 places, 118 transitions, 395 flow [2023-11-30 08:52:44,527 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:44,527 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:44,527 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] [2023-11-30 08:52:44,528 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 08:52:44,528 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:44,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:44,528 INFO L85 PathProgramCache]: Analyzing trace with hash -178463519, now seen corresponding path program 1 times [2023-11-30 08:52:44,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:44,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405800272] [2023-11-30 08:52:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:44,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:44,661 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 08:52:44,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:44,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405800272] [2023-11-30 08:52:44,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405800272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:44,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:44,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:44,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470602485] [2023-11-30 08:52:44,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:44,662 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:44,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:44,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:44,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:44,670 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:44,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 118 transitions, 395 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:44,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:44,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:44,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:45,222 INFO L124 PetriNetUnfolderBase]: 1620/2753 cut-off events. [2023-11-30 08:52:45,222 INFO L125 PetriNetUnfolderBase]: For 892/11228 co-relation queries the response was YES. [2023-11-30 08:52:45,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10338 conditions, 2753 events. 1620/2753 cut-off events. For 892/11228 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 18268 event pairs, 1358 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 10068. Up to 2442 conditions per place. [2023-11-30 08:52:45,239 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 34 selfloop transitions, 3 changer transitions 0/116 dead transitions. [2023-11-30 08:52:45,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 116 transitions, 457 flow [2023-11-30 08:52:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2023-11-30 08:52:45,241 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7028301886792453 [2023-11-30 08:52:45,241 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 447 transitions. [2023-11-30 08:52:45,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 447 transitions. [2023-11-30 08:52:45,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:45,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 447 transitions. [2023-11-30 08:52:45,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 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 08:52:45,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:45,243 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:45,244 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -9 predicate places. [2023-11-30 08:52:45,244 INFO L500 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 457 flow [2023-11-30 08:52:45,244 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:45,244 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:45,244 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] [2023-11-30 08:52:45,244 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 08:52:45,244 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:45,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash -178463516, now seen corresponding path program 1 times [2023-11-30 08:52:45,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:45,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894474316] [2023-11-30 08:52:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:45,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:45,292 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 08:52:45,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:45,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894474316] [2023-11-30 08:52:45,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894474316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:45,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:45,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:45,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126682490] [2023-11-30 08:52:45,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:45,293 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:45,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:45,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:45,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:45,294 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:45,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 116 transitions, 457 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:45,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:45,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:45,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:45,737 INFO L124 PetriNetUnfolderBase]: 1281/2224 cut-off events. [2023-11-30 08:52:45,737 INFO L125 PetriNetUnfolderBase]: For 1120/10486 co-relation queries the response was YES. [2023-11-30 08:52:45,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10175 conditions, 2224 events. 1281/2224 cut-off events. For 1120/10486 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 14299 event pairs, 1056 based on Foata normal form. 0/604 useless extension candidates. Maximal degree in co-relation 9875. Up to 1933 conditions per place. [2023-11-30 08:52:45,753 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 32 selfloop transitions, 3 changer transitions 0/114 dead transitions. [2023-11-30 08:52:45,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 114 transitions, 511 flow [2023-11-30 08:52:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 445 transitions. [2023-11-30 08:52:45,755 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.699685534591195 [2023-11-30 08:52:45,755 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 445 transitions. [2023-11-30 08:52:45,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 445 transitions. [2023-11-30 08:52:45,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:45,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 445 transitions. [2023-11-30 08:52:45,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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 08:52:45,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:45,757 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:45,758 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -8 predicate places. [2023-11-30 08:52:45,758 INFO L500 AbstractCegarLoop]: Abstraction has has 131 places, 114 transitions, 511 flow [2023-11-30 08:52:45,758 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:45,758 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:45,759 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] [2023-11-30 08:52:45,759 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 08:52:45,759 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:45,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:45,759 INFO L85 PathProgramCache]: Analyzing trace with hash -178463513, now seen corresponding path program 1 times [2023-11-30 08:52:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:45,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569058648] [2023-11-30 08:52:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:45,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:45,849 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 08:52:45,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:45,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569058648] [2023-11-30 08:52:45,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569058648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:45,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:45,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:45,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497497200] [2023-11-30 08:52:45,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:45,851 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:45,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:45,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:45,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:45,852 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:45,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 114 transitions, 511 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:45,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:45,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:45,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:46,222 INFO L124 PetriNetUnfolderBase]: 1007/1774 cut-off events. [2023-11-30 08:52:46,222 INFO L125 PetriNetUnfolderBase]: For 1365/10509 co-relation queries the response was YES. [2023-11-30 08:52:46,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9574 conditions, 1774 events. 1007/1774 cut-off events. For 1365/10509 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 10819 event pairs, 815 based on Foata normal form. 0/524 useless extension candidates. Maximal degree in co-relation 9263. Up to 1521 conditions per place. [2023-11-30 08:52:46,238 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 30 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2023-11-30 08:52:46,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 112 transitions, 557 flow [2023-11-30 08:52:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 443 transitions. [2023-11-30 08:52:46,240 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6965408805031447 [2023-11-30 08:52:46,240 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 443 transitions. [2023-11-30 08:52:46,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 443 transitions. [2023-11-30 08:52:46,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:46,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 443 transitions. [2023-11-30 08:52:46,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 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 08:52:46,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:46,243 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:46,243 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -7 predicate places. [2023-11-30 08:52:46,243 INFO L500 AbstractCegarLoop]: Abstraction has has 132 places, 112 transitions, 557 flow [2023-11-30 08:52:46,244 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:46,244 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:46,244 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] [2023-11-30 08:52:46,244 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 08:52:46,244 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:46,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:46,245 INFO L85 PathProgramCache]: Analyzing trace with hash -178463521, now seen corresponding path program 1 times [2023-11-30 08:52:46,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:46,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051152723] [2023-11-30 08:52:46,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:46,288 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 08:52:46,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:46,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051152723] [2023-11-30 08:52:46,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051152723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:46,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:46,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:46,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637137807] [2023-11-30 08:52:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:46,289 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:46,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:46,290 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:46,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 112 transitions, 557 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:46,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:46,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:46,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:46,571 INFO L124 PetriNetUnfolderBase]: 756/1379 cut-off events. [2023-11-30 08:52:46,571 INFO L125 PetriNetUnfolderBase]: For 1510/7560 co-relation queries the response was YES. [2023-11-30 08:52:46,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8405 conditions, 1379 events. 756/1379 cut-off events. For 1510/7560 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 7901 event pairs, 596 based on Foata normal form. 0/466 useless extension candidates. Maximal degree in co-relation 8074. Up to 1144 conditions per place. [2023-11-30 08:52:46,581 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 28 selfloop transitions, 3 changer transitions 0/110 dead transitions. [2023-11-30 08:52:46,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 110 transitions, 595 flow [2023-11-30 08:52:46,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:46,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 441 transitions. [2023-11-30 08:52:46,583 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6933962264150944 [2023-11-30 08:52:46,583 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 441 transitions. [2023-11-30 08:52:46,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 441 transitions. [2023-11-30 08:52:46,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:46,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 441 transitions. [2023-11-30 08:52:46,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 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 08:52:46,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:46,585 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:46,588 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -6 predicate places. [2023-11-30 08:52:46,588 INFO L500 AbstractCegarLoop]: Abstraction has has 133 places, 110 transitions, 595 flow [2023-11-30 08:52:46,588 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:46,588 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:46,589 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] [2023-11-30 08:52:46,589 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 08:52:46,589 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:46,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:46,589 INFO L85 PathProgramCache]: Analyzing trace with hash -178463518, now seen corresponding path program 1 times [2023-11-30 08:52:46,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:46,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099717546] [2023-11-30 08:52:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:46,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:46,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:46,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099717546] [2023-11-30 08:52:46,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099717546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:46,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:46,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:46,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51024014] [2023-11-30 08:52:46,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:46,667 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:46,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:46,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:46,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:46,668 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:46,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 110 transitions, 595 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:46,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:46,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:46,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:46,850 INFO L124 PetriNetUnfolderBase]: 558/1049 cut-off events. [2023-11-30 08:52:46,850 INFO L125 PetriNetUnfolderBase]: For 1636/6244 co-relation queries the response was YES. [2023-11-30 08:52:46,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7112 conditions, 1049 events. 558/1049 cut-off events. For 1636/6244 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 5714 event pairs, 426 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 6784. Up to 846 conditions per place. [2023-11-30 08:52:46,857 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 26 selfloop transitions, 3 changer transitions 0/108 dead transitions. [2023-11-30 08:52:46,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 108 transitions, 625 flow [2023-11-30 08:52:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 439 transitions. [2023-11-30 08:52:46,859 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.690251572327044 [2023-11-30 08:52:46,859 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 439 transitions. [2023-11-30 08:52:46,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 439 transitions. [2023-11-30 08:52:46,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:46,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 439 transitions. [2023-11-30 08:52:46,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 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 08:52:46,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:46,862 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:46,862 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -5 predicate places. [2023-11-30 08:52:46,862 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 108 transitions, 625 flow [2023-11-30 08:52:46,862 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:46,863 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:46,863 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] [2023-11-30 08:52:46,863 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 08:52:46,863 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:46,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:46,864 INFO L85 PathProgramCache]: Analyzing trace with hash -178463512, now seen corresponding path program 1 times [2023-11-30 08:52:46,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:46,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647258682] [2023-11-30 08:52:46,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:46,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:46,933 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 08:52:46,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:46,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647258682] [2023-11-30 08:52:46,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647258682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:46,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:46,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:46,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017795703] [2023-11-30 08:52:46,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:46,934 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:46,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:46,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:46,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:46,935 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:46,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 108 transitions, 625 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:46,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:46,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:46,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:47,071 INFO L124 PetriNetUnfolderBase]: 388/765 cut-off events. [2023-11-30 08:52:47,071 INFO L125 PetriNetUnfolderBase]: For 1659/4641 co-relation queries the response was YES. [2023-11-30 08:52:47,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5605 conditions, 765 events. 388/765 cut-off events. For 1659/4641 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 3766 event pairs, 282 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 5288. Up to 590 conditions per place. [2023-11-30 08:52:47,077 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 24 selfloop transitions, 3 changer transitions 0/106 dead transitions. [2023-11-30 08:52:47,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 106 transitions, 647 flow [2023-11-30 08:52:47,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 437 transitions. [2023-11-30 08:52:47,078 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6871069182389937 [2023-11-30 08:52:47,078 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 437 transitions. [2023-11-30 08:52:47,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 437 transitions. [2023-11-30 08:52:47,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:47,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 437 transitions. [2023-11-30 08:52:47,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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 08:52:47,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,081 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,081 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -4 predicate places. [2023-11-30 08:52:47,081 INFO L500 AbstractCegarLoop]: Abstraction has has 135 places, 106 transitions, 647 flow [2023-11-30 08:52:47,081 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:47,081 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:47,081 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] [2023-11-30 08:52:47,082 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 08:52:47,082 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:47,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:47,082 INFO L85 PathProgramCache]: Analyzing trace with hash -178463515, now seen corresponding path program 1 times [2023-11-30 08:52:47,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:47,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678761158] [2023-11-30 08:52:47,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:47,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:47,116 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 08:52:47,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:47,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678761158] [2023-11-30 08:52:47,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678761158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:47,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:47,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:47,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174200398] [2023-11-30 08:52:47,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:47,117 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:47,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:47,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:47,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:47,118 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:47,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 106 transitions, 647 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:47,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:47,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:47,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:47,213 INFO L124 PetriNetUnfolderBase]: 249/542 cut-off events. [2023-11-30 08:52:47,213 INFO L125 PetriNetUnfolderBase]: For 1569/2641 co-relation queries the response was YES. [2023-11-30 08:52:47,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4068 conditions, 542 events. 249/542 cut-off events. For 1569/2641 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2380 event pairs, 167 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 3747. Up to 381 conditions per place. [2023-11-30 08:52:47,217 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 22 selfloop transitions, 3 changer transitions 0/104 dead transitions. [2023-11-30 08:52:47,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 104 transitions, 661 flow [2023-11-30 08:52:47,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:47,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 435 transitions. [2023-11-30 08:52:47,218 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6839622641509434 [2023-11-30 08:52:47,218 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 435 transitions. [2023-11-30 08:52:47,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 435 transitions. [2023-11-30 08:52:47,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:47,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 435 transitions. [2023-11-30 08:52:47,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 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 08:52:47,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,220 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,220 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2023-11-30 08:52:47,220 INFO L500 AbstractCegarLoop]: Abstraction has has 136 places, 104 transitions, 661 flow [2023-11-30 08:52:47,221 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 08:52:47,221 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:47,221 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] [2023-11-30 08:52:47,221 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 08:52:47,221 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:47,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:47,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1714850880, now seen corresponding path program 1 times [2023-11-30 08:52:47,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:47,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592605456] [2023-11-30 08:52:47,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:47,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:47,255 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 08:52:47,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:47,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592605456] [2023-11-30 08:52:47,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592605456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:47,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:47,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401971169] [2023-11-30 08:52:47,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:47,256 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:47,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:47,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:47,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:47,257 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:47,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 104 transitions, 661 flow. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:47,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:47,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:47,331 INFO L124 PetriNetUnfolderBase]: 178/421 cut-off events. [2023-11-30 08:52:47,331 INFO L125 PetriNetUnfolderBase]: For 1614/2442 co-relation queries the response was YES. [2023-11-30 08:52:47,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3245 conditions, 421 events. 178/421 cut-off events. For 1614/2442 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1625 event pairs, 114 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 2925. Up to 274 conditions per place. [2023-11-30 08:52:47,383 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 20 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2023-11-30 08:52:47,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 102 transitions, 667 flow [2023-11-30 08:52:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2023-11-30 08:52:47,385 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6808176100628931 [2023-11-30 08:52:47,385 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2023-11-30 08:52:47,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2023-11-30 08:52:47,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:47,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2023-11-30 08:52:47,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 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 08:52:47,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,387 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,388 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -2 predicate places. [2023-11-30 08:52:47,388 INFO L500 AbstractCegarLoop]: Abstraction has has 137 places, 102 transitions, 667 flow [2023-11-30 08:52:47,388 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,388 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:47,388 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:47,388 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 08:52:47,388 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:47,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:47,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1714850873, now seen corresponding path program 1 times [2023-11-30 08:52:47,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:47,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362133032] [2023-11-30 08:52:47,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:47,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:47,419 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 08:52:47,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:47,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362133032] [2023-11-30 08:52:47,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362133032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:47,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:47,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:47,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142082573] [2023-11-30 08:52:47,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:47,420 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:47,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:47,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:47,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:47,421 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:47,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 102 transitions, 667 flow. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:47,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:47,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:47,480 INFO L124 PetriNetUnfolderBase]: 119/318 cut-off events. [2023-11-30 08:52:47,480 INFO L125 PetriNetUnfolderBase]: For 1604/2184 co-relation queries the response was YES. [2023-11-30 08:52:47,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2426 conditions, 318 events. 119/318 cut-off events. For 1604/2184 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1039 event pairs, 71 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 2111. Up to 185 conditions per place. [2023-11-30 08:52:47,483 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 18 selfloop transitions, 3 changer transitions 0/100 dead transitions. [2023-11-30 08:52:47,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 100 transitions, 665 flow [2023-11-30 08:52:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 431 transitions. [2023-11-30 08:52:47,484 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6776729559748428 [2023-11-30 08:52:47,484 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 431 transitions. [2023-11-30 08:52:47,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 431 transitions. [2023-11-30 08:52:47,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:47,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 431 transitions. [2023-11-30 08:52:47,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 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 08:52:47,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,486 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,486 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, -1 predicate places. [2023-11-30 08:52:47,486 INFO L500 AbstractCegarLoop]: Abstraction has has 138 places, 100 transitions, 665 flow [2023-11-30 08:52:47,487 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,487 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:47,487 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] [2023-11-30 08:52:47,487 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 08:52:47,487 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:47,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:47,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1714850874, now seen corresponding path program 1 times [2023-11-30 08:52:47,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:47,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339381552] [2023-11-30 08:52:47,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:47,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:47,524 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 08:52:47,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:47,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339381552] [2023-11-30 08:52:47,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339381552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:47,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:47,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:47,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711058951] [2023-11-30 08:52:47,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:47,525 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:47,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:47,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:47,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:47,526 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:47,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 100 transitions, 665 flow. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:47,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:47,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:47,575 INFO L124 PetriNetUnfolderBase]: 72/233 cut-off events. [2023-11-30 08:52:47,575 INFO L125 PetriNetUnfolderBase]: For 1529/1881 co-relation queries the response was YES. [2023-11-30 08:52:47,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1665 conditions, 233 events. 72/233 cut-off events. For 1529/1881 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 568 event pairs, 38 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 1359. Up to 114 conditions per place. [2023-11-30 08:52:47,576 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 16 selfloop transitions, 3 changer transitions 0/98 dead transitions. [2023-11-30 08:52:47,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 98 transitions, 655 flow [2023-11-30 08:52:47,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2023-11-30 08:52:47,577 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6745283018867925 [2023-11-30 08:52:47,578 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2023-11-30 08:52:47,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2023-11-30 08:52:47,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:47,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2023-11-30 08:52:47,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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 08:52:47,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,580 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,581 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, 0 predicate places. [2023-11-30 08:52:47,581 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 98 transitions, 655 flow [2023-11-30 08:52:47,581 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,581 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:47,581 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] [2023-11-30 08:52:47,581 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 08:52:47,581 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2023-11-30 08:52:47,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:47,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1714850879, now seen corresponding path program 1 times [2023-11-30 08:52:47,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:47,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187398711] [2023-11-30 08:52:47,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:47,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:47,622 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 08:52:47,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:47,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187398711] [2023-11-30 08:52:47,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187398711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:47,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:47,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:47,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942644671] [2023-11-30 08:52:47,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:47,623 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:47,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:47,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:47,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:47,624 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2023-11-30 08:52:47,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 98 transitions, 655 flow. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:47,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2023-11-30 08:52:47,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:47,659 INFO L124 PetriNetUnfolderBase]: 37/166 cut-off events. [2023-11-30 08:52:47,659 INFO L125 PetriNetUnfolderBase]: For 1375/1543 co-relation queries the response was YES. [2023-11-30 08:52:47,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 166 events. 37/166 cut-off events. For 1375/1543 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 251 event pairs, 15 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 723. Up to 61 conditions per place. [2023-11-30 08:52:47,660 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2023-11-30 08:52:47,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 96 transitions, 637 flow [2023-11-30 08:52:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 427 transitions. [2023-11-30 08:52:47,661 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6713836477987422 [2023-11-30 08:52:47,661 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 427 transitions. [2023-11-30 08:52:47,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 427 transitions. [2023-11-30 08:52:47,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:47,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 427 transitions. [2023-11-30 08:52:47,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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 08:52:47,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,663 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 08:52:47,663 INFO L307 CegarLoopForPetriNet]: 139 programPoint places, 1 predicate places. [2023-11-30 08:52:47,664 INFO L500 AbstractCegarLoop]: Abstraction has has 140 places, 96 transitions, 637 flow [2023-11-30 08:52:47,664 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:52:47,673 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-time-trans.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 08:52:47,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 75 remaining) [2023-11-30 08:52:47,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 75 remaining) [2023-11-30 08:52:47,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 75 remaining) [2023-11-30 08:52:47,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 75 remaining) [2023-11-30 08:52:47,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 75 remaining) [2023-11-30 08:52:47,710 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 75 remaining) [2023-11-30 08:52:47,711 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 75 remaining) [2023-11-30 08:52:47,712 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 75 remaining) [2023-11-30 08:52:47,713 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 75 remaining) [2023-11-30 08:52:47,714 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 75 remaining) [2023-11-30 08:52:47,715 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 75 remaining) [2023-11-30 08:52:47,716 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 75 remaining) [2023-11-30 08:52:47,716 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 75 remaining) [2023-11-30 08:52:47,716 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 75 remaining) [2023-11-30 08:52:47,718 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 75 remaining) [2023-11-30 08:52:47,718 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 75 remaining) [2023-11-30 08:52:47,718 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 75 remaining) [2023-11-30 08:52:47,719 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 75 remaining) [2023-11-30 08:52:47,719 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 75 remaining) [2023-11-30 08:52:47,719 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 75 remaining) [2023-11-30 08:52:47,719 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 75 remaining) [2023-11-30 08:52:47,719 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 75 remaining) [2023-11-30 08:52:47,719 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 08:52:47,719 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:47,724 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 08:52:47,724 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 08:52:47,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 08:52:47 BasicIcfg [2023-11-30 08:52:47,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 08:52:47,731 INFO L158 Benchmark]: Toolchain (without parser) took 7093.69ms. Allocated memory was 371.2MB in the beginning and 1.2GB in the end (delta: 824.2MB). Free memory was 331.6MB in the beginning and 861.8MB in the end (delta: -530.2MB). Peak memory consumption was 295.7MB. Max. memory is 16.0GB. [2023-11-30 08:52:47,731 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 371.2MB. Free memory was 327.6MB in the beginning and 327.4MB in the end (delta: 198.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:52:47,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.64ms. Allocated memory is still 371.2MB. Free memory was 331.6MB in the beginning and 320.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 08:52:47,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.20ms. Allocated memory is still 371.2MB. Free memory was 320.1MB in the beginning and 317.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 08:52:47,732 INFO L158 Benchmark]: Boogie Preprocessor took 31.11ms. Allocated memory is still 371.2MB. Free memory was 317.3MB in the beginning and 315.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:52:47,732 INFO L158 Benchmark]: RCFGBuilder took 1064.35ms. Allocated memory was 371.2MB in the beginning and 450.9MB in the end (delta: 79.7MB). Free memory was 315.2MB in the beginning and 313.7MB in the end (delta: 1.5MB). Peak memory consumption was 86.8MB. Max. memory is 16.0GB. [2023-11-30 08:52:47,732 INFO L158 Benchmark]: TraceAbstraction took 5768.10ms. Allocated memory was 450.9MB in the beginning and 1.2GB in the end (delta: 744.5MB). Free memory was 312.7MB in the beginning and 861.8MB in the end (delta: -549.2MB). Peak memory consumption was 196.4MB. Max. memory is 16.0GB. [2023-11-30 08:52:47,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 371.2MB. Free memory was 327.6MB in the beginning and 327.4MB in the end (delta: 198.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 186.64ms. Allocated memory is still 371.2MB. Free memory was 331.6MB in the beginning and 320.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.20ms. Allocated memory is still 371.2MB. Free memory was 320.1MB in the beginning and 317.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.11ms. Allocated memory is still 371.2MB. Free memory was 317.3MB in the beginning and 315.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 1064.35ms. Allocated memory was 371.2MB in the beginning and 450.9MB in the end (delta: 79.7MB). Free memory was 315.2MB in the beginning and 313.7MB in the end (delta: 1.5MB). Peak memory consumption was 86.8MB. Max. memory is 16.0GB. * TraceAbstraction took 5768.10ms. Allocated memory was 450.9MB in the beginning and 1.2GB in the end (delta: 744.5MB). Free memory was 312.7MB in the beginning and 861.8MB in the end (delta: -549.2MB). Peak memory consumption was 196.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: 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, 210 locations, 75 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: 5.5s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 611 IncrementalHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 60 mSDtfsCounter, 611 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=667occurred in iteration=10, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 817 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 08:52:47,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...