/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/04-mutex_15-funarg_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 07:21:10,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 07:21:10,179 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 07:21:10,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 07:21:10,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 07:21:10,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 07:21:10,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 07:21:10,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 07:21:10,195 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 07:21:10,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 07:21:10,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 07:21:10,196 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 07:21:10,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 07:21:10,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 07:21:10,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 07:21:10,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 07:21:10,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 07:21:10,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 07:21:10,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 07:21:10,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 07:21:10,198 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 07:21:10,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 07:21:10,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 07:21:10,199 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 07:21:10,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 07:21:10,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:21:10,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 07:21:10,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 07:21:10,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 07:21:10,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 07:21:10,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 07:21:10,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 07:21:10,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 07:21:10,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 07:21:10,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 07:21:10,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 07:21:10,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 07:21:10,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 07:21:10,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 07:21:10,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-11-30 07:21:11,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 07:21:11,533 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 07:21:11,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-11-30 07:21:11,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/815f323ee/32ca35a77db5482fac4398bd8ebbb714/FLAG9b530dc3e [2023-11-30 07:21:11,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/815f323ee/32ca35a77db5482fac4398bd8ebbb714 [2023-11-30 07:21:11,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 07:21:11,573 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 07:21:11,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 07:21:11,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 07:21:11,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 07:21:11,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:21:11" (1/1) ... [2023-11-30 07:21:11,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695f68ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:11, skipping insertion in model container [2023-11-30 07:21:11,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:21:11" (1/1) ... [2023-11-30 07:21:11,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 07:21:11,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:21:11,972 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 07:21:12,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:21:12,034 INFO L206 MainTranslator]: Completed translation [2023-11-30 07:21:12,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12 WrapperNode [2023-11-30 07:21:12,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 07:21:12,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 07:21:12,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 07:21:12,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 07:21:12,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,067 INFO L138 Inliner]: procedures = 264, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-30 07:21:12,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 07:21:12,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 07:21:12,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 07:21:12,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 07:21:12,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 07:21:12,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 07:21:12,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 07:21:12,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 07:21:12,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (1/1) ... [2023-11-30 07:21:12,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:21:12,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:21:12,117 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 07:21:12,136 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 07:21:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 07:21:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 07:21:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 07:21:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 07:21:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 07:21:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 07:21:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 07:21:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 07:21:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 07:21:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 07:21:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 07:21:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 07:21:12,143 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 07:21:12,243 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 07:21:12,244 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 07:21:12,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 07:21:12,426 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 07:21:12,426 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 07:21:12,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:21:12 BoogieIcfgContainer [2023-11-30 07:21:12,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 07:21:12,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 07:21:12,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 07:21:12,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 07:21:12,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 07:21:11" (1/3) ... [2023-11-30 07:21:12,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ff6bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:21:12, skipping insertion in model container [2023-11-30 07:21:12,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:12" (2/3) ... [2023-11-30 07:21:12,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ff6bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:21:12, skipping insertion in model container [2023-11-30 07:21:12,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:21:12" (3/3) ... [2023-11-30 07:21:12,436 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2023-11-30 07:21:12,447 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 07:21:12,447 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 07:21:12,448 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 07:21:12,500 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 07:21:12,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 82 transitions, 171 flow [2023-11-30 07:21:12,576 INFO L124 PetriNetUnfolderBase]: 0/81 cut-off events. [2023-11-30 07:21:12,576 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 07:21:12,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 81 events. 0/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-30 07:21:12,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 82 transitions, 171 flow [2023-11-30 07:21:12,584 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 73 transitions, 149 flow [2023-11-30 07:21:12,595 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 07:21:12,600 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;@1f79b5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 07:21:12,600 INFO L363 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-30 07:21:12,615 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 07:21:12,615 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2023-11-30 07:21:12,615 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 07:21:12,616 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:21:12,616 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] [2023-11-30 07:21:12,616 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-30 07:21:12,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:21:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash -81583622, now seen corresponding path program 1 times [2023-11-30 07:21:12,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:21:12,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321047630] [2023-11-30 07:21:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:21:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:21:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:21:12,880 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 07:21:12,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:21:12,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321047630] [2023-11-30 07:21:12,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321047630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:21:12,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:21:12,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 07:21:12,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554886872] [2023-11-30 07:21:12,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:21:12,887 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 07:21:12,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:21:12,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 07:21:12,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 07:21:12,906 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 82 [2023-11-30 07:21:12,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 07:21:12,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:21:12,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 82 [2023-11-30 07:21:12,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:21:12,971 INFO L124 PetriNetUnfolderBase]: 25/141 cut-off events. [2023-11-30 07:21:12,971 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 07:21:12,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 141 events. 25/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 361 event pairs, 15 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 166. Up to 40 conditions per place. [2023-11-30 07:21:12,973 INFO L140 encePairwiseOnDemand]: 78/82 looper letters, 13 selfloop transitions, 2 changer transitions 11/76 dead transitions. [2023-11-30 07:21:12,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 76 transitions, 189 flow [2023-11-30 07:21:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 07:21:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 07:21:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2023-11-30 07:21:12,982 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8943089430894309 [2023-11-30 07:21:12,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 220 transitions. [2023-11-30 07:21:12,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 220 transitions. [2023-11-30 07:21:12,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:21:12,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 220 transitions. [2023-11-30 07:21:12,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 07:21:12,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 07:21:12,989 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 07:21:12,991 INFO L307 CegarLoopForPetriNet]: 77 programPoint places, 0 predicate places. [2023-11-30 07:21:12,991 INFO L500 AbstractCegarLoop]: Abstraction has has 77 places, 76 transitions, 189 flow [2023-11-30 07:21:12,991 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 07:21:12,992 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:21:12,992 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] [2023-11-30 07:21:12,992 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 07:21:12,992 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-30 07:21:12,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:21:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1960154036, now seen corresponding path program 1 times [2023-11-30 07:21:12,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:21:12,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489543161] [2023-11-30 07:21:12,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:21:12,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:21:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:21:13,171 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 07:21:13,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:21:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489543161] [2023-11-30 07:21:13,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489543161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:21:13,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:21:13,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 07:21:13,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536288869] [2023-11-30 07:21:13,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:21:13,173 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 07:21:13,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:21:13,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 07:21:13,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 07:21:13,175 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 82 [2023-11-30 07:21:13,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 76 transitions, 189 flow. Second operand has 5 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 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 07:21:13,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:21:13,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 82 [2023-11-30 07:21:13,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:21:13,332 INFO L124 PetriNetUnfolderBase]: 69/267 cut-off events. [2023-11-30 07:21:13,332 INFO L125 PetriNetUnfolderBase]: For 52/58 co-relation queries the response was YES. [2023-11-30 07:21:13,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 267 events. 69/267 cut-off events. For 52/58 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1007 event pairs, 24 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 500. Up to 61 conditions per place. [2023-11-30 07:21:13,336 INFO L140 encePairwiseOnDemand]: 74/82 looper letters, 17 selfloop transitions, 2 changer transitions 36/100 dead transitions. [2023-11-30 07:21:13,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 100 transitions, 357 flow [2023-11-30 07:21:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 07:21:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 07:21:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 460 transitions. [2023-11-30 07:21:13,341 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8013937282229965 [2023-11-30 07:21:13,342 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 460 transitions. [2023-11-30 07:21:13,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 460 transitions. [2023-11-30 07:21:13,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:21:13,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 460 transitions. [2023-11-30 07:21:13,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 65.71428571428571) internal successors, (460), 7 states have internal predecessors, (460), 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 07:21:13,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 82.0) internal successors, (656), 8 states have internal predecessors, (656), 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 07:21:13,371 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 82.0) internal successors, (656), 8 states have internal predecessors, (656), 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 07:21:13,371 INFO L307 CegarLoopForPetriNet]: 77 programPoint places, 6 predicate places. [2023-11-30 07:21:13,371 INFO L500 AbstractCegarLoop]: Abstraction has has 83 places, 100 transitions, 357 flow [2023-11-30 07:21:13,372 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 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 07:21:13,372 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:21:13,372 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] [2023-11-30 07:21:13,372 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 07:21:13,372 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-30 07:21:13,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:21:13,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1591291688, now seen corresponding path program 1 times [2023-11-30 07:21:13,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:21:13,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685095986] [2023-11-30 07:21:13,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:21:13,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:21:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:21:13,499 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 07:21:13,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:21:13,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685095986] [2023-11-30 07:21:13,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685095986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:21:13,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:21:13,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:21:13,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368979319] [2023-11-30 07:21:13,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:21:13,500 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 07:21:13,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:21:13,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 07:21:13,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 07:21:13,501 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 82 [2023-11-30 07:21:13,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 100 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 07:21:13,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:21:13,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 82 [2023-11-30 07:21:13,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:21:13,534 INFO L124 PetriNetUnfolderBase]: 2/108 cut-off events. [2023-11-30 07:21:13,535 INFO L125 PetriNetUnfolderBase]: For 64/68 co-relation queries the response was YES. [2023-11-30 07:21:13,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 108 events. 2/108 cut-off events. For 64/68 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 18/124 useless extension candidates. Maximal degree in co-relation 153. Up to 21 conditions per place. [2023-11-30 07:21:13,536 INFO L140 encePairwiseOnDemand]: 76/82 looper letters, 7 selfloop transitions, 7 changer transitions 20/83 dead transitions. [2023-11-30 07:21:13,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 83 transitions, 303 flow [2023-11-30 07:21:13,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 07:21:13,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 07:21:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2023-11-30 07:21:13,541 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8943089430894309 [2023-11-30 07:21:13,541 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 220 transitions. [2023-11-30 07:21:13,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 220 transitions. [2023-11-30 07:21:13,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:21:13,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 220 transitions. [2023-11-30 07:21:13,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 07:21:13,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 07:21:13,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 07:21:13,543 INFO L307 CegarLoopForPetriNet]: 77 programPoint places, 6 predicate places. [2023-11-30 07:21:13,543 INFO L500 AbstractCegarLoop]: Abstraction has has 83 places, 83 transitions, 303 flow [2023-11-30 07:21:13,543 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 07:21:13,543 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:21:13,544 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] [2023-11-30 07:21:13,544 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 07:21:13,544 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-30 07:21:13,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:21:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1427987675, now seen corresponding path program 1 times [2023-11-30 07:21:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:21:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365561044] [2023-11-30 07:21:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:21:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:21:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:21:13,644 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 07:21:13,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:21:13,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365561044] [2023-11-30 07:21:13,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365561044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:21:13,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:21:13,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 07:21:13,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408630293] [2023-11-30 07:21:13,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:21:13,649 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 07:21:13,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:21:13,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 07:21:13,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-30 07:21:13,651 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 82 [2023-11-30 07:21:13,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 83 transitions, 303 flow. Second operand has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 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 07:21:13,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:21:13,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 82 [2023-11-30 07:21:13,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:21:13,728 INFO L124 PetriNetUnfolderBase]: 2/107 cut-off events. [2023-11-30 07:21:13,728 INFO L125 PetriNetUnfolderBase]: For 74/77 co-relation queries the response was YES. [2023-11-30 07:21:13,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 107 events. 2/107 cut-off events. For 74/77 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 110 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 191. Up to 23 conditions per place. [2023-11-30 07:21:13,729 INFO L140 encePairwiseOnDemand]: 75/82 looper letters, 13 selfloop transitions, 4 changer transitions 20/82 dead transitions. [2023-11-30 07:21:13,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 363 flow [2023-11-30 07:21:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 07:21:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 07:21:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 381 transitions. [2023-11-30 07:21:13,730 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.774390243902439 [2023-11-30 07:21:13,730 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 381 transitions. [2023-11-30 07:21:13,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 381 transitions. [2023-11-30 07:21:13,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:21:13,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 381 transitions. [2023-11-30 07:21:13,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 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 07:21:13,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 07:21:13,733 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 07:21:13,734 INFO L307 CegarLoopForPetriNet]: 77 programPoint places, 10 predicate places. [2023-11-30 07:21:13,735 INFO L500 AbstractCegarLoop]: Abstraction has has 87 places, 82 transitions, 363 flow [2023-11-30 07:21:13,735 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 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 07:21:13,735 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:21:13,736 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 07:21:13,736 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 07:21:13,736 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-30 07:21:13,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:21:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1590107761, now seen corresponding path program 1 times [2023-11-30 07:21:13,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:21:13,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533247016] [2023-11-30 07:21:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:21:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:21:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:21:13,828 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 07:21:13,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:21:13,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533247016] [2023-11-30 07:21:13,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533247016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:21:13,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:21:13,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 07:21:13,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797474784] [2023-11-30 07:21:13,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:21:13,829 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 07:21:13,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:21:13,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 07:21:13,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-30 07:21:13,831 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 82 [2023-11-30 07:21:13,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 82 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 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 07:21:13,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:21:13,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 82 [2023-11-30 07:21:13,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:21:13,895 INFO L124 PetriNetUnfolderBase]: 2/106 cut-off events. [2023-11-30 07:21:13,895 INFO L125 PetriNetUnfolderBase]: For 134/139 co-relation queries the response was YES. [2023-11-30 07:21:13,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 106 events. 2/106 cut-off events. For 134/139 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 108 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 227. Up to 23 conditions per place. [2023-11-30 07:21:13,895 INFO L140 encePairwiseOnDemand]: 75/82 looper letters, 0 selfloop transitions, 0 changer transitions 81/81 dead transitions. [2023-11-30 07:21:13,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 81 transitions, 419 flow [2023-11-30 07:21:13,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 07:21:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 07:21:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 496 transitions. [2023-11-30 07:21:13,897 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7560975609756098 [2023-11-30 07:21:13,897 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 496 transitions. [2023-11-30 07:21:13,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 496 transitions. [2023-11-30 07:21:13,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:21:13,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 496 transitions. [2023-11-30 07:21:13,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 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 07:21:13,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 82.0) internal successors, (738), 9 states have internal predecessors, (738), 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 07:21:13,900 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 82.0) internal successors, (738), 9 states have internal predecessors, (738), 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 07:21:13,902 INFO L307 CegarLoopForPetriNet]: 77 programPoint places, 16 predicate places. [2023-11-30 07:21:13,902 INFO L500 AbstractCegarLoop]: Abstraction has has 93 places, 81 transitions, 419 flow [2023-11-30 07:21:13,902 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 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 07:21:13,907 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_15-funarg_nr.i_BEv2_AllErrorsAtOnce [2023-11-30 07:21:13,931 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2023-11-30 07:21:13,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2023-11-30 07:21:13,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-30 07:21:13,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2023-11-30 07:21:13,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2023-11-30 07:21:13,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2023-11-30 07:21:13,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2023-11-30 07:21:13,933 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 07:21:13,933 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 07:21:13,937 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 07:21:13,937 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 07:21:13,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:21:13 BasicIcfg [2023-11-30 07:21:13,945 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 07:21:13,946 INFO L158 Benchmark]: Toolchain (without parser) took 2372.72ms. Allocated memory is still 492.8MB. Free memory was 450.4MB in the beginning and 361.1MB in the end (delta: 89.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.0GB. [2023-11-30 07:21:13,948 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 356.5MB. Free memory is still 309.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:21:13,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.25ms. Allocated memory is still 492.8MB. Free memory was 450.4MB in the beginning and 422.7MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-11-30 07:21:13,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 492.8MB. Free memory was 422.7MB in the beginning and 420.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 07:21:13,954 INFO L158 Benchmark]: Boogie Preprocessor took 16.57ms. Allocated memory is still 492.8MB. Free memory was 420.3MB in the beginning and 418.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:21:13,954 INFO L158 Benchmark]: RCFGBuilder took 342.23ms. Allocated memory is still 492.8MB. Free memory was 418.6MB in the beginning and 458.1MB in the end (delta: -39.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.0GB. [2023-11-30 07:21:13,954 INFO L158 Benchmark]: TraceAbstraction took 1514.44ms. Allocated memory is still 492.8MB. Free memory was 457.2MB in the beginning and 361.1MB in the end (delta: 96.1MB). Peak memory consumption was 95.7MB. Max. memory is 16.0GB. [2023-11-30 07:21:13,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 356.5MB. Free memory is still 309.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 459.25ms. Allocated memory is still 492.8MB. Free memory was 450.4MB in the beginning and 422.7MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 492.8MB. Free memory was 422.7MB in the beginning and 420.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 16.57ms. Allocated memory is still 492.8MB. Free memory was 420.3MB in the beginning and 418.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 342.23ms. Allocated memory is still 492.8MB. Free memory was 418.6MB in the beginning and 458.1MB in the end (delta: -39.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.0GB. * TraceAbstraction took 1514.44ms. Allocated memory is still 492.8MB. Free memory was 457.2MB in the beginning and 361.1MB in the end (delta: 96.1MB). Peak memory consumption was 95.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: 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, 97 locations, 7 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: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 28 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=419occurred in iteration=5, InterpolantAutomatonStates: 27, 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, 0.6s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 07:21:13,968 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...