/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/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 07:37:30,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 07:37:30,054 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 07:37:30,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 07:37:30,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 07:37:30,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 07:37:30,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 07:37:30,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 07:37:30,087 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 07:37:30,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 07:37:30,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 07:37:30,092 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 07:37:30,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 07:37:30,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 07:37:30,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 07:37:30,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 07:37:30,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 07:37:30,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 07:37:30,094 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 07:37:30,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 07:37:30,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 07:37:30,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 07:37:30,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 07:37:30,095 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 07:37:30,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 07:37:30,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:37:30,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 07:37:30,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 07:37:30,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 07:37:30,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 07:37:30,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 07:37:30,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 07:37:30,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 07:37:30,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 07:37:30,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 07:37:30,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 07:37:30,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 07:37:30,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 07:37:30,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 07:37:30,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-30 07:37:31,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 07:37:31,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 07:37:31,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-30 07:37:31,773 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f4647731/897211ae10ac4e7e87cac2aca4f697a7/FLAG19d89587d [2023-11-30 07:37:31,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f4647731/897211ae10ac4e7e87cac2aca4f697a7 [2023-11-30 07:37:31,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 07:37:31,788 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 07:37:31,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 07:37:31,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 07:37:31,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 07:37:31,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:37:31" (1/1) ... [2023-11-30 07:37:31,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df4be6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:31, skipping insertion in model container [2023-11-30 07:37:31,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:37:31" (1/1) ... [2023-11-30 07:37:31,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 07:37:32,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:37:32,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 07:37:32,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:37:32,233 INFO L206 MainTranslator]: Completed translation [2023-11-30 07:37:32,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32 WrapperNode [2023-11-30 07:37:32,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 07:37:32,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 07:37:32,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 07:37:32,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 07:37:32,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,294 INFO L138 Inliner]: procedures = 163, calls = 48, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 97 [2023-11-30 07:37:32,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 07:37:32,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 07:37:32,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 07:37:32,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 07:37:32,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 07:37:32,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 07:37:32,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 07:37:32,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 07:37:32,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (1/1) ... [2023-11-30 07:37:32,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:37:32,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:37:32,363 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 07:37:32,378 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 07:37:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 07:37:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-30 07:37:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-30 07:37:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 07:37:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 07:37:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 07:37:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 07:37:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 07:37:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 07:37:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 07:37:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 07:37:32,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 07:37:32,400 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 07:37:32,542 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 07:37:32,545 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 07:37:32,738 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 07:37:32,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 07:37:32,798 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 07:37:32,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:37:32 BoogieIcfgContainer [2023-11-30 07:37:32,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 07:37:32,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 07:37:32,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 07:37:32,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 07:37:32,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 07:37:31" (1/3) ... [2023-11-30 07:37:32,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fec16bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:37:32, skipping insertion in model container [2023-11-30 07:37:32,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:37:32" (2/3) ... [2023-11-30 07:37:32,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fec16bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:37:32, skipping insertion in model container [2023-11-30 07:37:32,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:37:32" (3/3) ... [2023-11-30 07:37:32,806 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-30 07:37:32,820 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 07:37:32,821 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 07:37:32,821 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 07:37:32,882 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 07:37:32,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 134 transitions, 275 flow [2023-11-30 07:37:32,958 INFO L124 PetriNetUnfolderBase]: 6/133 cut-off events. [2023-11-30 07:37:32,958 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 07:37:32,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 133 events. 6/133 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 136 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2023-11-30 07:37:32,963 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 134 transitions, 275 flow [2023-11-30 07:37:32,967 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 125 transitions, 253 flow [2023-11-30 07:37:32,974 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 07:37:32,981 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;@4c7562d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 07:37:32,981 INFO L363 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-30 07:37:33,005 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 07:37:33,006 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2023-11-30 07:37:33,006 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 07:37:33,006 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:37:33,007 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] [2023-11-30 07:37:33,007 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 07:37:33,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:37:33,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2109727175, now seen corresponding path program 1 times [2023-11-30 07:37:33,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:37:33,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496817497] [2023-11-30 07:37:33,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:37:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:37:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:37:33,450 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 07:37:33,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:37:33,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496817497] [2023-11-30 07:37:33,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496817497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:37:33,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:37:33,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:37:33,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119256085] [2023-11-30 07:37:33,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:37:33,462 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:37:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:37:33,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:37:33,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:37:33,493 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 134 [2023-11-30 07:37:33,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 125 transitions, 253 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 07:37:33,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:37:33,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 134 [2023-11-30 07:37:33,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:37:33,755 INFO L124 PetriNetUnfolderBase]: 143/537 cut-off events. [2023-11-30 07:37:33,756 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 07:37:33,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 537 events. 143/537 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2861 event pairs, 22 based on Foata normal form. 72/576 useless extension candidates. Maximal degree in co-relation 812. Up to 162 conditions per place. [2023-11-30 07:37:33,765 INFO L140 encePairwiseOnDemand]: 122/134 looper letters, 52 selfloop transitions, 4 changer transitions 8/141 dead transitions. [2023-11-30 07:37:33,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 141 transitions, 403 flow [2023-11-30 07:37:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 07:37:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 07:37:33,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 565 transitions. [2023-11-30 07:37:33,787 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8432835820895522 [2023-11-30 07:37:33,788 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 565 transitions. [2023-11-30 07:37:33,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 565 transitions. [2023-11-30 07:37:33,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:37:33,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 565 transitions. [2023-11-30 07:37:33,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 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 07:37:33,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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 07:37:33,805 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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 07:37:33,809 INFO L307 CegarLoopForPetriNet]: 123 programPoint places, -7 predicate places. [2023-11-30 07:37:33,810 INFO L500 AbstractCegarLoop]: Abstraction has has 116 places, 141 transitions, 403 flow [2023-11-30 07:37:33,810 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 07:37:33,810 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:37:33,810 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] [2023-11-30 07:37:33,811 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 07:37:33,811 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 07:37:33,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:37:33,813 INFO L85 PathProgramCache]: Analyzing trace with hash 962975012, now seen corresponding path program 1 times [2023-11-30 07:37:33,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:37:33,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755113937] [2023-11-30 07:37:33,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:37:33,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:37:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:37:34,017 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 07:37:34,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:37:34,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755113937] [2023-11-30 07:37:34,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755113937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:37:34,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:37:34,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 07:37:34,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581288121] [2023-11-30 07:37:34,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:37:34,019 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 07:37:34,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:37:34,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 07:37:34,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-30 07:37:34,022 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 134 [2023-11-30 07:37:34,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 141 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 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 07:37:34,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:37:34,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 134 [2023-11-30 07:37:34,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:37:34,343 INFO L124 PetriNetUnfolderBase]: 187/569 cut-off events. [2023-11-30 07:37:34,343 INFO L125 PetriNetUnfolderBase]: For 126/144 co-relation queries the response was YES. [2023-11-30 07:37:34,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1335 conditions, 569 events. 187/569 cut-off events. For 126/144 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3079 event pairs, 22 based on Foata normal form. 0/548 useless extension candidates. Maximal degree in co-relation 1290. Up to 206 conditions per place. [2023-11-30 07:37:34,347 INFO L140 encePairwiseOnDemand]: 126/134 looper letters, 64 selfloop transitions, 5 changer transitions 31/173 dead transitions. [2023-11-30 07:37:34,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 173 transitions, 725 flow [2023-11-30 07:37:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 07:37:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 07:37:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 825 transitions. [2023-11-30 07:37:34,349 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.769589552238806 [2023-11-30 07:37:34,350 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 825 transitions. [2023-11-30 07:37:34,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 825 transitions. [2023-11-30 07:37:34,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:37:34,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 825 transitions. [2023-11-30 07:37:34,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 103.125) internal successors, (825), 8 states have internal predecessors, (825), 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 07:37:34,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 134.0) internal successors, (1206), 9 states have internal predecessors, (1206), 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 07:37:34,355 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 134.0) internal successors, (1206), 9 states have internal predecessors, (1206), 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 07:37:34,356 INFO L307 CegarLoopForPetriNet]: 123 programPoint places, -1 predicate places. [2023-11-30 07:37:34,356 INFO L500 AbstractCegarLoop]: Abstraction has has 122 places, 173 transitions, 725 flow [2023-11-30 07:37:34,357 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 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 07:37:34,357 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:37:34,357 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 07:37:34,357 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 07:37:34,358 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 07:37:34,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:37:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash -212545299, now seen corresponding path program 1 times [2023-11-30 07:37:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:37:34,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125356814] [2023-11-30 07:37:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:37:34,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:37:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:37:34,470 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 07:37:34,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:37:34,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125356814] [2023-11-30 07:37:34,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125356814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:37:34,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:37:34,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 07:37:34,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296344245] [2023-11-30 07:37:34,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:37:34,474 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 07:37:34,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:37:34,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 07:37:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-30 07:37:34,478 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 134 [2023-11-30 07:37:34,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 173 transitions, 725 flow. Second operand has 6 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 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 07:37:34,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:37:34,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 134 [2023-11-30 07:37:34,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:37:34,666 INFO L124 PetriNetUnfolderBase]: 176/546 cut-off events. [2023-11-30 07:37:34,667 INFO L125 PetriNetUnfolderBase]: For 276/312 co-relation queries the response was YES. [2023-11-30 07:37:34,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1660 conditions, 546 events. 176/546 cut-off events. For 276/312 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2890 event pairs, 22 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 1612. Up to 195 conditions per place. [2023-11-30 07:37:34,671 INFO L140 encePairwiseOnDemand]: 127/134 looper letters, 0 selfloop transitions, 0 changer transitions 172/172 dead transitions. [2023-11-30 07:37:34,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 172 transitions, 911 flow [2023-11-30 07:37:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 07:37:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 07:37:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 711 transitions. [2023-11-30 07:37:34,678 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7579957356076759 [2023-11-30 07:37:34,678 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 711 transitions. [2023-11-30 07:37:34,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 711 transitions. [2023-11-30 07:37:34,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:37:34,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 711 transitions. [2023-11-30 07:37:34,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 101.57142857142857) internal successors, (711), 7 states have internal predecessors, (711), 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 07:37:34,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 134.0) internal successors, (1072), 8 states have internal predecessors, (1072), 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 07:37:34,683 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 134.0) internal successors, (1072), 8 states have internal predecessors, (1072), 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 07:37:34,684 INFO L307 CegarLoopForPetriNet]: 123 programPoint places, 4 predicate places. [2023-11-30 07:37:34,684 INFO L500 AbstractCegarLoop]: Abstraction has has 127 places, 172 transitions, 911 flow [2023-11-30 07:37:34,685 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 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 07:37:34,694 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_29-multiple-protecting2-vesal_true.i_BEv2_AllErrorsAtOnce [2023-11-30 07:37:34,720 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 9 remaining) [2023-11-30 07:37:34,720 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2023-11-30 07:37:34,720 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2023-11-30 07:37:34,720 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2023-11-30 07:37:34,721 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-30 07:37:34,721 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2023-11-30 07:37:34,721 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2023-11-30 07:37:34,721 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2023-11-30 07:37:34,721 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2023-11-30 07:37:34,722 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 07:37:34,722 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 07:37:34,726 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 07:37:34,726 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 07:37:34,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:37:34 BasicIcfg [2023-11-30 07:37:34,732 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 07:37:34,732 INFO L158 Benchmark]: Toolchain (without parser) took 2943.83ms. Allocated memory was 377.5MB in the beginning and 666.9MB in the end (delta: 289.4MB). Free memory was 313.3MB in the beginning and 409.7MB in the end (delta: -96.4MB). Peak memory consumption was 194.6MB. Max. memory is 16.0GB. [2023-11-30 07:37:34,733 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 377.5MB. Free memory is still 325.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:37:34,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.13ms. Allocated memory was 377.5MB in the beginning and 666.9MB in the end (delta: 289.4MB). Free memory was 313.1MB in the beginning and 629.9MB in the end (delta: -316.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. [2023-11-30 07:37:34,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.95ms. Allocated memory is still 666.9MB. Free memory was 629.9MB in the beginning and 627.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 07:37:34,734 INFO L158 Benchmark]: Boogie Preprocessor took 30.84ms. Allocated memory is still 666.9MB. Free memory was 627.8MB in the beginning and 626.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:37:34,734 INFO L158 Benchmark]: RCFGBuilder took 472.74ms. Allocated memory is still 666.9MB. Free memory was 626.8MB in the beginning and 604.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 07:37:34,735 INFO L158 Benchmark]: TraceAbstraction took 1930.88ms. Allocated memory is still 666.9MB. Free memory was 603.7MB in the beginning and 409.7MB in the end (delta: 194.0MB). Peak memory consumption was 195.0MB. Max. memory is 16.0GB. [2023-11-30 07:37:34,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 377.5MB. Free memory is still 325.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 443.13ms. Allocated memory was 377.5MB in the beginning and 666.9MB in the end (delta: 289.4MB). Free memory was 313.1MB in the beginning and 629.9MB in the end (delta: -316.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 58.95ms. Allocated memory is still 666.9MB. Free memory was 629.9MB in the beginning and 627.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 30.84ms. Allocated memory is still 666.9MB. Free memory was 627.8MB in the beginning and 626.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 472.74ms. Allocated memory is still 666.9MB. Free memory was 626.8MB in the beginning and 604.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 1930.88ms. Allocated memory is still 666.9MB. Free memory was 603.7MB in the beginning and 409.7MB in the end (delta: 194.0MB). Peak memory consumption was 195.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: 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 3 procedures, 160 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 443 IncrementalHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 443 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=911occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 07:37:34,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...