/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 09:13:33,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 09:13:33,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 09:13:33,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 09:13:33,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 09:13:33,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 09:13:33,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 09:13:33,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 09:13:33,107 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 09:13:33,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 09:13:33,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 09:13:33,110 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 09:13:33,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 09:13:33,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 09:13:33,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 09:13:33,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 09:13:33,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 09:13:33,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 09:13:33,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 09:13:33,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 09:13:33,112 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 09:13:33,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 09:13:33,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 09:13:33,113 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 09:13:33,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 09:13:33,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:13:33,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 09:13:33,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 09:13:33,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 09:13:33,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 09:13:33,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 09:13:33,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 09:13:33,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 09:13:33,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 09:13:33,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 09:13:33,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 09:13:33,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 09:13:33,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 09:13:33,305 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 09:13:33,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2023-11-30 09:13:34,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 09:13:34,433 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 09:13:34,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2023-11-30 09:13:34,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb666bda/f90bbf4668ed4989845e54fb820caa04/FLAG8453be6ef [2023-11-30 09:13:34,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb666bda/f90bbf4668ed4989845e54fb820caa04 [2023-11-30 09:13:34,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 09:13:34,452 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 09:13:34,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 09:13:34,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 09:13:34,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 09:13:34,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49da1a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34, skipping insertion in model container [2023-11-30 09:13:34,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 09:13:34,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:13:34,616 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 09:13:34,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:13:34,637 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:13:34,637 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:13:34,642 INFO L206 MainTranslator]: Completed translation [2023-11-30 09:13:34,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34 WrapperNode [2023-11-30 09:13:34,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 09:13:34,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 09:13:34,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 09:13:34,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 09:13:34,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,669 INFO L138 Inliner]: procedures = 24, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 273 [2023-11-30 09:13:34,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 09:13:34,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 09:13:34,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 09:13:34,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 09:13:34,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 09:13:34,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 09:13:34,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 09:13:34,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 09:13:34,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (1/1) ... [2023-11-30 09:13:34,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:13:34,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 09:13:34,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 09:13:34,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 09:13:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 09:13:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 09:13:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 09:13:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 09:13:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 09:13:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-30 09:13:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-30 09:13:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-30 09:13:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-30 09:13:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 09:13:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-30 09:13:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-30 09:13:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 09:13:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 09:13:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 09:13:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 09:13:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 09:13:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 09:13:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 09:13:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 09:13:34,754 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 09:13:34,823 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 09:13:34,825 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 09:13:35,102 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 09:13:35,213 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 09:13:35,214 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 09:13:35,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:35 BoogieIcfgContainer [2023-11-30 09:13:35,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 09:13:35,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 09:13:35,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 09:13:35,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 09:13:35,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 09:13:34" (1/3) ... [2023-11-30 09:13:35,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce62c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:35, skipping insertion in model container [2023-11-30 09:13:35,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:34" (2/3) ... [2023-11-30 09:13:35,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce62c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:35, skipping insertion in model container [2023-11-30 09:13:35,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:35" (3/3) ... [2023-11-30 09:13:35,220 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2023-11-30 09:13:35,230 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 09:13:35,230 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-30 09:13:35,230 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 09:13:35,280 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-11-30 09:13:35,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 197 transitions, 429 flow [2023-11-30 09:13:35,352 INFO L124 PetriNetUnfolderBase]: 2/192 cut-off events. [2023-11-30 09:13:35,353 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-30 09:13:35,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 192 events. 2/192 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 155 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2023-11-30 09:13:35,356 INFO L82 GeneralOperation]: Start removeDead. Operand has 211 places, 197 transitions, 429 flow [2023-11-30 09:13:35,361 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 179 places, 164 transitions, 355 flow [2023-11-30 09:13:35,371 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 09:13:35,376 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;@248263a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 09:13:35,376 INFO L363 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2023-11-30 09:13:35,387 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 09:13:35,387 INFO L124 PetriNetUnfolderBase]: 1/72 cut-off events. [2023-11-30 09:13:35,387 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 09:13:35,387 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:35,388 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, 1] [2023-11-30 09:13:35,388 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:13:35,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:35,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1080281825, now seen corresponding path program 1 times [2023-11-30 09:13:35,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:35,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914434327] [2023-11-30 09:13:35,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:35,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:35,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:35,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914434327] [2023-11-30 09:13:35,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914434327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:35,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:35,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:13:35,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458317865] [2023-11-30 09:13:35,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:35,666 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:13:35,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:35,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:13:35,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:13:35,684 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 197 [2023-11-30 09:13:35,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 164 transitions, 355 flow. Second operand has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:35,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:35,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 197 [2023-11-30 09:13:35,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:45,644 INFO L124 PetriNetUnfolderBase]: 73632/110562 cut-off events. [2023-11-30 09:13:45,644 INFO L125 PetriNetUnfolderBase]: For 11201/11201 co-relation queries the response was YES. [2023-11-30 09:13:46,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215017 conditions, 110562 events. 73632/110562 cut-off events. For 11201/11201 co-relation queries the response was YES. Maximal size of possible extension queue 5761. Compared 999699 event pairs, 73632 based on Foata normal form. 1/65204 useless extension candidates. Maximal degree in co-relation 214088. Up to 96044 conditions per place. [2023-11-30 09:13:46,864 INFO L140 encePairwiseOnDemand]: 188/197 looper letters, 43 selfloop transitions, 3 changer transitions 1/158 dead transitions. [2023-11-30 09:13:46,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 158 transitions, 435 flow [2023-11-30 09:13:46,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:13:46,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:13:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 616 transitions. [2023-11-30 09:13:46,911 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7817258883248731 [2023-11-30 09:13:46,911 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 616 transitions. [2023-11-30 09:13:46,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 616 transitions. [2023-11-30 09:13:46,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:46,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 616 transitions. [2023-11-30 09:13:46,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:46,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:46,922 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:46,926 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, -2 predicate places. [2023-11-30 09:13:46,926 INFO L500 AbstractCegarLoop]: Abstraction has has 177 places, 158 transitions, 435 flow [2023-11-30 09:13:46,927 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:46,927 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:46,927 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:46,928 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 09:13:46,934 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:13:46,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1080281826, now seen corresponding path program 1 times [2023-11-30 09:13:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:46,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794495629] [2023-11-30 09:13:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:46,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:47,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:47,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794495629] [2023-11-30 09:13:47,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794495629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:47,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:47,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:13:47,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305418132] [2023-11-30 09:13:47,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:47,077 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:13:47,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:47,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:13:47,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:13:47,078 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:13:47,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 158 transitions, 435 flow. Second operand has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:47,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:47,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:13:47,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:55,937 INFO L124 PetriNetUnfolderBase]: 73420/107077 cut-off events. [2023-11-30 09:13:55,938 INFO L125 PetriNetUnfolderBase]: For 15153/19959 co-relation queries the response was YES. [2023-11-30 09:13:56,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306991 conditions, 107077 events. 73420/107077 cut-off events. For 15153/19959 co-relation queries the response was YES. Maximal size of possible extension queue 5729. Compared 905566 event pairs, 66870 based on Foata normal form. 0/61883 useless extension candidates. Maximal degree in co-relation 305822. Up to 95775 conditions per place. [2023-11-30 09:13:57,240 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 46 selfloop transitions, 10 changer transitions 1/167 dead transitions. [2023-11-30 09:13:57,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 167 transitions, 597 flow [2023-11-30 09:13:57,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:13:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:13:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 727 transitions. [2023-11-30 09:13:57,242 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7380710659898477 [2023-11-30 09:13:57,242 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 727 transitions. [2023-11-30 09:13:57,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 727 transitions. [2023-11-30 09:13:57,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:57,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 727 transitions. [2023-11-30 09:13:57,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 145.4) internal successors, (727), 5 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:57,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:57,248 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:57,250 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 2 predicate places. [2023-11-30 09:13:57,250 INFO L500 AbstractCegarLoop]: Abstraction has has 181 places, 167 transitions, 597 flow [2023-11-30 09:13:57,250 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:57,250 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:57,250 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:57,250 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 09:13:57,251 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:13:57,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2096384603, now seen corresponding path program 1 times [2023-11-30 09:13:57,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359393085] [2023-11-30 09:13:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:57,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:57,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359393085] [2023-11-30 09:13:57,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359393085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:57,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:57,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:13:57,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128152432] [2023-11-30 09:13:57,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:57,341 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:13:57,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:57,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:13:57,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:13:57,343 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 197 [2023-11-30 09:13:57,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 167 transitions, 597 flow. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:57,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:57,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 197 [2023-11-30 09:13:57,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:01,930 INFO L124 PetriNetUnfolderBase]: 34263/53833 cut-off events. [2023-11-30 09:14:01,931 INFO L125 PetriNetUnfolderBase]: For 15871/30135 co-relation queries the response was YES. [2023-11-30 09:14:02,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193747 conditions, 53833 events. 34263/53833 cut-off events. For 15871/30135 co-relation queries the response was YES. Maximal size of possible extension queue 2866. Compared 475671 event pairs, 31996 based on Foata normal form. 0/36877 useless extension candidates. Maximal degree in co-relation 164912. Up to 45095 conditions per place. [2023-11-30 09:14:02,672 INFO L140 encePairwiseOnDemand]: 189/197 looper letters, 47 selfloop transitions, 3 changer transitions 1/162 dead transitions. [2023-11-30 09:14:02,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 162 transitions, 667 flow [2023-11-30 09:14:02,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:14:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:14:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 610 transitions. [2023-11-30 09:14:02,681 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7741116751269036 [2023-11-30 09:14:02,681 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 610 transitions. [2023-11-30 09:14:02,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 610 transitions. [2023-11-30 09:14:02,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:02,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 610 transitions. [2023-11-30 09:14:02,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 152.5) internal successors, (610), 4 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:02,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:02,693 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:02,694 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 0 predicate places. [2023-11-30 09:14:02,694 INFO L500 AbstractCegarLoop]: Abstraction has has 179 places, 162 transitions, 667 flow [2023-11-30 09:14:02,694 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:02,694 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:02,694 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:02,695 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 09:14:02,695 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:02,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:02,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2096384602, now seen corresponding path program 1 times [2023-11-30 09:14:02,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:02,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410189725] [2023-11-30 09:14:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:02,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:02,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:02,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410189725] [2023-11-30 09:14:02,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410189725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:02,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:02,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:14:02,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834439630] [2023-11-30 09:14:02,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:02,849 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:14:02,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:02,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:14:02,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:14:02,852 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:02,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 162 transitions, 667 flow. Second operand has 5 states, 5 states have (on average 135.4) internal successors, (677), 5 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:02,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:02,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:02,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:06,346 INFO L124 PetriNetUnfolderBase]: 24181/41254 cut-off events. [2023-11-30 09:14:06,347 INFO L125 PetriNetUnfolderBase]: For 15881/38757 co-relation queries the response was YES. [2023-11-30 09:14:06,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174896 conditions, 41254 events. 24181/41254 cut-off events. For 15881/38757 co-relation queries the response was YES. Maximal size of possible extension queue 2237. Compared 371921 event pairs, 6937 based on Foata normal form. 2/30118 useless extension candidates. Maximal degree in co-relation 138937. Up to 32472 conditions per place. [2023-11-30 09:14:06,762 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 65 selfloop transitions, 10 changer transitions 1/186 dead transitions. [2023-11-30 09:14:06,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 186 transitions, 1023 flow [2023-11-30 09:14:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:14:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:14:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 737 transitions. [2023-11-30 09:14:06,764 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7482233502538072 [2023-11-30 09:14:06,764 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 737 transitions. [2023-11-30 09:14:06,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 737 transitions. [2023-11-30 09:14:06,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:06,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 737 transitions. [2023-11-30 09:14:06,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 147.4) internal successors, (737), 5 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:06,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:06,768 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:06,768 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 4 predicate places. [2023-11-30 09:14:06,768 INFO L500 AbstractCegarLoop]: Abstraction has has 183 places, 186 transitions, 1023 flow [2023-11-30 09:14:06,769 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.4) internal successors, (677), 5 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:06,769 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:06,769 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:06,769 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 09:14:06,769 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:06,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1392048354, now seen corresponding path program 1 times [2023-11-30 09:14:06,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:06,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265475227] [2023-11-30 09:14:06,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:06,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:06,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:06,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265475227] [2023-11-30 09:14:06,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265475227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:06,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:06,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 09:14:06,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787686492] [2023-11-30 09:14:06,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:06,902 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 09:14:06,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:06,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 09:14:06,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-30 09:14:06,903 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:06,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 186 transitions, 1023 flow. Second operand has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:06,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:06,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:06,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:10,284 INFO L124 PetriNetUnfolderBase]: 22906/37071 cut-off events. [2023-11-30 09:14:10,284 INFO L125 PetriNetUnfolderBase]: For 19853/27450 co-relation queries the response was YES. [2023-11-30 09:14:10,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194781 conditions, 37071 events. 22906/37071 cut-off events. For 19853/27450 co-relation queries the response was YES. Maximal size of possible extension queue 2158. Compared 319273 event pairs, 11000 based on Foata normal form. 15/26772 useless extension candidates. Maximal degree in co-relation 193562. Up to 30840 conditions per place. [2023-11-30 09:14:10,989 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 82 selfloop transitions, 20 changer transitions 1/213 dead transitions. [2023-11-30 09:14:10,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 213 transitions, 1520 flow [2023-11-30 09:14:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:14:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:14:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions. [2023-11-30 09:14:10,991 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.739424703891709 [2023-11-30 09:14:10,991 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 874 transitions. [2023-11-30 09:14:10,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 874 transitions. [2023-11-30 09:14:10,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:10,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 874 transitions. [2023-11-30 09:14:10,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 145.66666666666666) internal successors, (874), 6 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:10,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:10,995 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:10,996 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 9 predicate places. [2023-11-30 09:14:10,996 INFO L500 AbstractCegarLoop]: Abstraction has has 188 places, 213 transitions, 1520 flow [2023-11-30 09:14:10,996 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:10,996 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:10,997 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:10,997 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 09:14:10,997 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:10,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1604396628, now seen corresponding path program 1 times [2023-11-30 09:14:10,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:10,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229595530] [2023-11-30 09:14:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:10,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:11,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:11,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229595530] [2023-11-30 09:14:11,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229595530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:11,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:11,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 09:14:11,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588667576] [2023-11-30 09:14:11,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:11,080 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 09:14:11,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:11,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 09:14:11,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-30 09:14:11,081 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:11,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 213 transitions, 1520 flow. Second operand has 6 states, 6 states have (on average 135.66666666666666) internal successors, (814), 6 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:11,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:11,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:11,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:13,442 INFO L124 PetriNetUnfolderBase]: 15107/26540 cut-off events. [2023-11-30 09:14:13,442 INFO L125 PetriNetUnfolderBase]: For 17559/24774 co-relation queries the response was YES. [2023-11-30 09:14:13,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152464 conditions, 26540 events. 15107/26540 cut-off events. For 17559/24774 co-relation queries the response was YES. Maximal size of possible extension queue 1360. Compared 235389 event pairs, 3274 based on Foata normal form. 12/21171 useless extension candidates. Maximal degree in co-relation 151074. Up to 20554 conditions per place. [2023-11-30 09:14:13,675 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 106 selfloop transitions, 20 changer transitions 1/237 dead transitions. [2023-11-30 09:14:13,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 237 transitions, 2074 flow [2023-11-30 09:14:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:14:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:14:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 894 transitions. [2023-11-30 09:14:13,678 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7563451776649747 [2023-11-30 09:14:13,678 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 894 transitions. [2023-11-30 09:14:13,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 894 transitions. [2023-11-30 09:14:13,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:13,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 894 transitions. [2023-11-30 09:14:13,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:13,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:13,682 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 197.0) internal successors, (1379), 7 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:13,682 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 14 predicate places. [2023-11-30 09:14:13,682 INFO L500 AbstractCegarLoop]: Abstraction has has 193 places, 237 transitions, 2074 flow [2023-11-30 09:14:13,683 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.66666666666666) internal successors, (814), 6 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:13,683 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:13,683 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:13,683 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 09:14:13,683 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:13,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:13,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1475355738, now seen corresponding path program 1 times [2023-11-30 09:14:13,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:13,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045548078] [2023-11-30 09:14:13,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:13,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:13,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045548078] [2023-11-30 09:14:13,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045548078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:13,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:13,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 09:14:13,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190937410] [2023-11-30 09:14:13,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:13,765 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 09:14:13,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:13,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 09:14:13,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-30 09:14:13,766 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:13,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 237 transitions, 2074 flow. Second operand has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:13,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:13,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:13,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:15,943 INFO L124 PetriNetUnfolderBase]: 12075/20721 cut-off events. [2023-11-30 09:14:15,943 INFO L125 PetriNetUnfolderBase]: For 26502/43658 co-relation queries the response was YES. [2023-11-30 09:14:15,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139141 conditions, 20721 events. 12075/20721 cut-off events. For 26502/43658 co-relation queries the response was YES. Maximal size of possible extension queue 1154. Compared 175367 event pairs, 2367 based on Foata normal form. 58/16783 useless extension candidates. Maximal degree in co-relation 109238. Up to 16612 conditions per place. [2023-11-30 09:14:16,139 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 135 selfloop transitions, 35 changer transitions 1/281 dead transitions. [2023-11-30 09:14:16,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 281 transitions, 3059 flow [2023-11-30 09:14:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 09:14:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 09:14:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1026 transitions. [2023-11-30 09:14:16,142 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7440174039158811 [2023-11-30 09:14:16,142 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1026 transitions. [2023-11-30 09:14:16,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1026 transitions. [2023-11-30 09:14:16,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:16,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1026 transitions. [2023-11-30 09:14:16,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 146.57142857142858) internal successors, (1026), 7 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:16,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:16,145 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:16,146 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 20 predicate places. [2023-11-30 09:14:16,146 INFO L500 AbstractCegarLoop]: Abstraction has has 199 places, 281 transitions, 3059 flow [2023-11-30 09:14:16,146 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:16,146 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:16,146 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:16,147 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 09:14:16,147 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:16,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash 241770215, now seen corresponding path program 1 times [2023-11-30 09:14:16,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:16,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457039499] [2023-11-30 09:14:16,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:16,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:16,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:16,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457039499] [2023-11-30 09:14:16,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457039499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:16,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:16,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 09:14:16,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486209043] [2023-11-30 09:14:16,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:16,250 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 09:14:16,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:16,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 09:14:16,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-30 09:14:16,251 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:16,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 281 transitions, 3059 flow. Second operand has 8 states, 8 states have (on average 135.0) internal successors, (1080), 8 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:16,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:16,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:16,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:17,765 INFO L124 PetriNetUnfolderBase]: 8364/14141 cut-off events. [2023-11-30 09:14:17,765 INFO L125 PetriNetUnfolderBase]: For 26628/39344 co-relation queries the response was YES. [2023-11-30 09:14:17,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108957 conditions, 14141 events. 8364/14141 cut-off events. For 26628/39344 co-relation queries the response was YES. Maximal size of possible extension queue 818. Compared 110213 event pairs, 864 based on Foata normal form. 72/12038 useless extension candidates. Maximal degree in co-relation 89774. Up to 11644 conditions per place. [2023-11-30 09:14:18,137 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 177 selfloop transitions, 50 changer transitions 1/338 dead transitions. [2023-11-30 09:14:18,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 338 transitions, 4448 flow [2023-11-30 09:14:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 09:14:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 09:14:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1183 transitions. [2023-11-30 09:14:18,139 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7506345177664975 [2023-11-30 09:14:18,140 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1183 transitions. [2023-11-30 09:14:18,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1183 transitions. [2023-11-30 09:14:18,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:18,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1183 transitions. [2023-11-30 09:14:18,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 147.875) internal successors, (1183), 8 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:18,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 197.0) internal successors, (1773), 9 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:18,150 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 197.0) internal successors, (1773), 9 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:18,152 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 27 predicate places. [2023-11-30 09:14:18,152 INFO L500 AbstractCegarLoop]: Abstraction has has 206 places, 338 transitions, 4448 flow [2023-11-30 09:14:18,153 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 135.0) internal successors, (1080), 8 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:18,153 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:18,153 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:18,153 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 09:14:18,153 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:18,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1787303121, now seen corresponding path program 1 times [2023-11-30 09:14:18,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:18,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235594810] [2023-11-30 09:14:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:18,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:18,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235594810] [2023-11-30 09:14:18,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235594810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:18,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:18,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 09:14:18,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355111657] [2023-11-30 09:14:18,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:18,258 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 09:14:18,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:18,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 09:14:18,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-30 09:14:18,260 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:18,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 338 transitions, 4448 flow. Second operand has 7 states, 7 states have (on average 135.85714285714286) internal successors, (951), 7 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:18,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:18,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:18,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:19,683 INFO L124 PetriNetUnfolderBase]: 6457/11305 cut-off events. [2023-11-30 09:14:19,683 INFO L125 PetriNetUnfolderBase]: For 30447/47613 co-relation queries the response was YES. [2023-11-30 09:14:19,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92832 conditions, 11305 events. 6457/11305 cut-off events. For 30447/47613 co-relation queries the response was YES. Maximal size of possible extension queue 576. Compared 86739 event pairs, 370 based on Foata normal form. 53/10447 useless extension candidates. Maximal degree in co-relation 87460. Up to 8912 conditions per place. [2023-11-30 09:14:19,810 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 204 selfloop transitions, 50 changer transitions 1/365 dead transitions. [2023-11-30 09:14:19,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 365 transitions, 5465 flow [2023-11-30 09:14:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 09:14:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 09:14:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1051 transitions. [2023-11-30 09:14:19,812 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7621464829586657 [2023-11-30 09:14:19,812 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1051 transitions. [2023-11-30 09:14:19,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1051 transitions. [2023-11-30 09:14:19,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:19,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1051 transitions. [2023-11-30 09:14:19,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 150.14285714285714) internal successors, (1051), 7 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:19,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:19,816 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:19,816 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 33 predicate places. [2023-11-30 09:14:19,816 INFO L500 AbstractCegarLoop]: Abstraction has has 212 places, 365 transitions, 5465 flow [2023-11-30 09:14:19,817 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 135.85714285714286) internal successors, (951), 7 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:19,817 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:19,817 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:19,817 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 09:14:19,817 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting thread5Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:19,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:19,817 INFO L85 PathProgramCache]: Analyzing trace with hash -622010744, now seen corresponding path program 1 times [2023-11-30 09:14:19,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:19,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518459209] [2023-11-30 09:14:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:19,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:19,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518459209] [2023-11-30 09:14:19,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518459209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:19,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:19,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-30 09:14:19,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958925011] [2023-11-30 09:14:19,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:19,921 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-30 09:14:19,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:19,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-30 09:14:19,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-30 09:14:19,923 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:19,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 365 transitions, 5465 flow. Second operand has 9 states, 9 states have (on average 135.0) internal successors, (1215), 9 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:19,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:19,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:19,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:21,055 INFO L124 PetriNetUnfolderBase]: 4919/8687 cut-off events. [2023-11-30 09:14:21,055 INFO L125 PetriNetUnfolderBase]: For 36925/56748 co-relation queries the response was YES. [2023-11-30 09:14:21,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77719 conditions, 8687 events. 4919/8687 cut-off events. For 36925/56748 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 64231 event pairs, 23 based on Foata normal form. 91/8494 useless extension candidates. Maximal degree in co-relation 73368. Up to 6787 conditions per place. [2023-11-30 09:14:21,146 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 211 selfloop transitions, 75 changer transitions 1/397 dead transitions. [2023-11-30 09:14:21,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 397 transitions, 6700 flow [2023-11-30 09:14:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 09:14:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 09:14:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1325 transitions. [2023-11-30 09:14:21,148 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7473209249858996 [2023-11-30 09:14:21,148 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1325 transitions. [2023-11-30 09:14:21,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1325 transitions. [2023-11-30 09:14:21,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:21,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1325 transitions. [2023-11-30 09:14:21,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:21,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 197.0) internal successors, (1970), 10 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:21,154 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 197.0) internal successors, (1970), 10 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:21,155 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 36 predicate places. [2023-11-30 09:14:21,155 INFO L500 AbstractCegarLoop]: Abstraction has has 215 places, 397 transitions, 6700 flow [2023-11-30 09:14:21,155 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 135.0) internal successors, (1215), 9 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:21,155 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:21,155 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:21,156 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 09:14:21,156 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:21,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:21,156 INFO L85 PathProgramCache]: Analyzing trace with hash 526087156, now seen corresponding path program 1 times [2023-11-30 09:14:21,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:21,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519390755] [2023-11-30 09:14:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:21,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:14:21,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:21,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519390755] [2023-11-30 09:14:21,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519390755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:21,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:21,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 09:14:21,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035761106] [2023-11-30 09:14:21,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:21,259 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 09:14:21,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:21,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 09:14:21,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-30 09:14:21,260 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:21,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 397 transitions, 6700 flow. Second operand has 8 states, 8 states have (on average 136.0) internal successors, (1088), 8 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:21,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:21,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:21,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:22,449 INFO L124 PetriNetUnfolderBase]: 4705/8359 cut-off events. [2023-11-30 09:14:22,450 INFO L125 PetriNetUnfolderBase]: For 47361/66823 co-relation queries the response was YES. [2023-11-30 09:14:22,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80167 conditions, 8359 events. 4705/8359 cut-off events. For 47361/66823 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 61641 event pairs, 26 based on Foata normal form. 72/8281 useless extension candidates. Maximal degree in co-relation 76492. Up to 6429 conditions per place. [2023-11-30 09:14:22,539 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 223 selfloop transitions, 75 changer transitions 6/414 dead transitions. [2023-11-30 09:14:22,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 414 transitions, 7703 flow [2023-11-30 09:14:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 09:14:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 09:14:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1183 transitions. [2023-11-30 09:14:22,541 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7506345177664975 [2023-11-30 09:14:22,541 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1183 transitions. [2023-11-30 09:14:22,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1183 transitions. [2023-11-30 09:14:22,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:22,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1183 transitions. [2023-11-30 09:14:22,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 147.875) internal successors, (1183), 8 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:22,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 197.0) internal successors, (1773), 9 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:22,545 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 197.0) internal successors, (1773), 9 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:22,545 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 43 predicate places. [2023-11-30 09:14:22,546 INFO L500 AbstractCegarLoop]: Abstraction has has 222 places, 414 transitions, 7703 flow [2023-11-30 09:14:22,546 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 136.0) internal successors, (1088), 8 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:22,546 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:14:22,546 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:22,546 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 09:14:22,546 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting thread5Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-30 09:14:22,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:14:22,547 INFO L85 PathProgramCache]: Analyzing trace with hash 138759510, now seen corresponding path program 1 times [2023-11-30 09:14:22,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:14:22,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340231677] [2023-11-30 09:14:22,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:14:22,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:14:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:14:22,663 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 09:14:22,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:14:22,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340231677] [2023-11-30 09:14:22,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340231677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:14:22,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:14:22,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-30 09:14:22,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987057308] [2023-11-30 09:14:22,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:14:22,664 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-30 09:14:22,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:14:22,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-30 09:14:22,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-30 09:14:22,665 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 197 [2023-11-30 09:14:22,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 414 transitions, 7703 flow. Second operand has 9 states, 9 states have (on average 136.11111111111111) internal successors, (1225), 9 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:22,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:14:22,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 197 [2023-11-30 09:14:22,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:14:23,882 INFO L124 PetriNetUnfolderBase]: 4695/8280 cut-off events. [2023-11-30 09:14:23,882 INFO L125 PetriNetUnfolderBase]: For 52335/74506 co-relation queries the response was YES. [2023-11-30 09:14:23,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86212 conditions, 8280 events. 4695/8280 cut-off events. For 52335/74506 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 60577 event pairs, 14 based on Foata normal form. 58/8232 useless extension candidates. Maximal degree in co-relation 68689. Up to 6404 conditions per place. [2023-11-30 09:14:23,916 INFO L140 encePairwiseOnDemand]: 182/197 looper letters, 0 selfloop transitions, 0 changer transitions 413/413 dead transitions. [2023-11-30 09:14:23,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 413 transitions, 8297 flow [2023-11-30 09:14:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 09:14:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 09:14:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1315 transitions. [2023-11-30 09:14:23,919 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7416807670614777 [2023-11-30 09:14:23,919 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1315 transitions. [2023-11-30 09:14:23,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1315 transitions. [2023-11-30 09:14:23,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:14:23,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1315 transitions. [2023-11-30 09:14:23,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 146.11111111111111) internal successors, (1315), 9 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:23,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 197.0) internal successors, (1970), 10 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:23,923 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 197.0) internal successors, (1970), 10 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:23,923 INFO L307 CegarLoopForPetriNet]: 179 programPoint places, 46 predicate places. [2023-11-30 09:14:23,923 INFO L500 AbstractCegarLoop]: Abstraction has has 225 places, 413 transitions, 8297 flow [2023-11-30 09:14:23,924 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 136.11111111111111) internal successors, (1225), 9 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:14:23,928 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/parallel-ticket-5.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 09:14:23,952 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 45 remaining) [2023-11-30 09:14:23,953 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 45 remaining) [2023-11-30 09:14:23,953 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 45 remaining) [2023-11-30 09:14:23,953 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 45 remaining) [2023-11-30 09:14:23,953 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 45 remaining) [2023-11-30 09:14:23,953 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 45 remaining) [2023-11-30 09:14:23,953 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 45 remaining) [2023-11-30 09:14:23,954 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 45 remaining) [2023-11-30 09:14:23,955 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 45 remaining) [2023-11-30 09:14:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 45 remaining) [2023-11-30 09:14:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 45 remaining) [2023-11-30 09:14:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 45 remaining) [2023-11-30 09:14:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 45 remaining) [2023-11-30 09:14:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 45 remaining) [2023-11-30 09:14:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 45 remaining) [2023-11-30 09:14:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 45 remaining) [2023-11-30 09:14:23,958 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 09:14:23,959 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:14:23,962 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 09:14:23,962 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 09:14:23,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 09:14:23 BasicIcfg [2023-11-30 09:14:23,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 09:14:23,966 INFO L158 Benchmark]: Toolchain (without parser) took 49514.80ms. Allocated memory was 555.7MB in the beginning and 15.3GB in the end (delta: 14.7GB). Free memory was 510.9MB in the beginning and 9.7GB in the end (delta: -9.2GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2023-11-30 09:14:23,966 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 402.7MB. Free memory is still 352.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 09:14:23,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.44ms. Allocated memory is still 555.7MB. Free memory was 510.9MB in the beginning and 498.6MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 09:14:23,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.74ms. Allocated memory is still 555.7MB. Free memory was 498.6MB in the beginning and 496.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 09:14:23,967 INFO L158 Benchmark]: Boogie Preprocessor took 17.48ms. Allocated memory is still 555.7MB. Free memory was 496.2MB in the beginning and 494.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 09:14:23,967 INFO L158 Benchmark]: RCFGBuilder took 527.23ms. Allocated memory is still 555.7MB. Free memory was 494.5MB in the beginning and 520.4MB in the end (delta: -26.0MB). Peak memory consumption was 41.8MB. Max. memory is 16.0GB. [2023-11-30 09:14:23,967 INFO L158 Benchmark]: TraceAbstraction took 48750.03ms. Allocated memory was 555.7MB in the beginning and 15.3GB in the end (delta: 14.7GB). Free memory was 519.1MB in the beginning and 9.7GB in the end (delta: -9.2GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2023-11-30 09:14:23,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 402.7MB. Free memory is still 352.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 188.44ms. Allocated memory is still 555.7MB. Free memory was 510.9MB in the beginning and 498.6MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 26.74ms. Allocated memory is still 555.7MB. Free memory was 498.6MB in the beginning and 496.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 17.48ms. Allocated memory is still 555.7MB. Free memory was 496.2MB in the beginning and 494.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 527.23ms. Allocated memory is still 555.7MB. Free memory was 494.5MB in the beginning and 520.4MB in the end (delta: -26.0MB). Peak memory consumption was 41.8MB. Max. memory is 16.0GB. * TraceAbstraction took 48750.03ms. Allocated memory was 555.7MB in the beginning and 15.3GB in the end (delta: 14.7GB). Free memory was 519.1MB in the beginning and 9.7GB in the end (delta: -9.2GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 123]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 123]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 133]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 133]: 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 11 procedures, 262 locations, 45 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: 48.7s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 662 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 662 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1913 IncrementalHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 182 mSolverCounterUnsat, 70 mSDtfsCounter, 1913 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8297occurred in iteration=12, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1042 NumberOfCodeBlocks, 1042 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1030 ConstructedInterpolants, 0 QuantifiedInterpolants, 1990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 09:14:23,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...