/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-24 06:16:43,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-24 06:16:43,206 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-VariableLbe.epf [2023-08-24 06:16:43,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-24 06:16:43,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-24 06:16:43,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-24 06:16:43,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-24 06:16:43,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-24 06:16:43,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-24 06:16:43,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-24 06:16:43,240 INFO L153 SettingsManager]: * Use SBE=true [2023-08-24 06:16:43,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-24 06:16:43,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-24 06:16:43,241 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-24 06:16:43,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-24 06:16:43,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-24 06:16:43,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-24 06:16:43,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-24 06:16:43,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-24 06:16:43,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-24 06:16:43,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-24 06:16:43,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-24 06:16:43,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-24 06:16:43,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-24 06:16:43,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-24 06:16:43,243 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-24 06:16:43,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-24 06:16:43,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 06:16:43,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-24 06:16:43,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-24 06:16:43,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-24 06:16:43,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-24 06:16:43,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-24 06:16:43,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-24 06:16:43,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-24 06:16:43,245 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST [2023-08-24 06:16:43,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-24 06:16:43,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-24 06:16:43,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-24 06:16:43,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-24 06:16:43,501 INFO L274 PluginConnector]: CDTParser initialized [2023-08-24 06:16:43,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2023-08-24 06:16:44,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-24 06:16:44,776 INFO L384 CDTParser]: Found 1 translation units. [2023-08-24 06:16:44,777 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2023-08-24 06:16:44,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e102a0199/69cfcd0767074938aea8f067c984875a/FLAGfa1999af0 [2023-08-24 06:16:44,794 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e102a0199/69cfcd0767074938aea8f067c984875a [2023-08-24 06:16:44,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-24 06:16:44,796 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-24 06:16:44,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-24 06:16:44,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-24 06:16:44,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-24 06:16:44,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 06:16:44" (1/1) ... [2023-08-24 06:16:44,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a63ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:44, skipping insertion in model container [2023-08-24 06:16:44,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 06:16:44" (1/1) ... [2023-08-24 06:16:44,850 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-24 06:16:44,974 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2023-08-24 06:16:45,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 06:16:45,103 INFO L201 MainTranslator]: Completed pre-run [2023-08-24 06:16:45,112 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2023-08-24 06:16:45,125 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-24 06:16:45,126 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-24 06:16:45,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 06:16:45,169 INFO L206 MainTranslator]: Completed translation [2023-08-24 06:16:45,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45 WrapperNode [2023-08-24 06:16:45,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-24 06:16:45,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-24 06:16:45,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-24 06:16:45,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-24 06:16:45,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,213 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2023-08-24 06:16:45,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-24 06:16:45,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-24 06:16:45,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-24 06:16:45,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-24 06:16:45,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-24 06:16:45,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-24 06:16:45,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-24 06:16:45,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-24 06:16:45,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (1/1) ... [2023-08-24 06:16:45,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 06:16:45,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-24 06:16:45,272 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) [2023-08-24 06:16:45,287 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 [2023-08-24 06:16:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-24 06:16:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-24 06:16:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-24 06:16:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-24 06:16:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-24 06:16:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-24 06:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-24 06:16:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-24 06:16:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-24 06:16:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-24 06:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-24 06:16:45,301 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-24 06:16:45,396 INFO L236 CfgBuilder]: Building ICFG [2023-08-24 06:16:45,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-24 06:16:45,533 INFO L277 CfgBuilder]: Performing block encoding [2023-08-24 06:16:45,537 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-24 06:16:45,538 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-24 06:16:45,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 06:16:45 BoogieIcfgContainer [2023-08-24 06:16:45,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-24 06:16:45,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-24 06:16:45,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-24 06:16:45,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-24 06:16:45,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.08 06:16:44" (1/3) ... [2023-08-24 06:16:45,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60363eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 06:16:45, skipping insertion in model container [2023-08-24 06:16:45,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:16:45" (2/3) ... [2023-08-24 06:16:45,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60363eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 06:16:45, skipping insertion in model container [2023-08-24 06:16:45,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 06:16:45" (3/3) ... [2023-08-24 06:16:45,544 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2023-08-24 06:16:45,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-24 06:16:45,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-24 06:16:45,555 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-24 06:16:45,616 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-24 06:16:45,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 73 transitions, 154 flow [2023-08-24 06:16:45,690 INFO L124 PetriNetUnfolderBase]: 2/72 cut-off events. [2023-08-24 06:16:45,690 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-24 06:16:45,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 2/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2023-08-24 06:16:45,694 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 73 transitions, 154 flow [2023-08-24 06:16:45,698 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 57 transitions, 117 flow [2023-08-24 06:16:45,701 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-24 06:16:45,711 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 57 transitions, 117 flow [2023-08-24 06:16:45,713 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 57 transitions, 117 flow [2023-08-24 06:16:45,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 57 transitions, 117 flow [2023-08-24 06:16:45,734 INFO L124 PetriNetUnfolderBase]: 1/57 cut-off events. [2023-08-24 06:16:45,735 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-24 06:16:45,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 1/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2023-08-24 06:16:45,735 INFO L119 LiptonReduction]: Number of co-enabled transitions 168 [2023-08-24 06:16:47,567 INFO L134 LiptonReduction]: Checked pairs total: 256 [2023-08-24 06:16:47,567 INFO L136 LiptonReduction]: Total number of compositions: 58 [2023-08-24 06:16:47,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-24 06:16:47,582 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@14f5cbd7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-24 06:16:47,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-24 06:16:47,582 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-24 06:16:47,583 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-24 06:16:47,583 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-24 06:16:47,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 06:16:47,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-24 06:16:47,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-08-24 06:16:47,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 06:16:47,586 INFO L85 PathProgramCache]: Analyzing trace with hash 268, now seen corresponding path program 1 times [2023-08-24 06:16:47,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 06:16:47,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850315150] [2023-08-24 06:16:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 06:16:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 06:16:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 06:16:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 06:16:47,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 06:16:47,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850315150] [2023-08-24 06:16:47,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850315150] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 06:16:47,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 06:16:47,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-24 06:16:47,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914587960] [2023-08-24 06:16:47,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 06:16:47,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-24 06:16:47,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 06:16:47,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-24 06:16:47,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-24 06:16:47,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 131 [2023-08-24 06:16:47,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 9 transitions, 21 flow. Second operand has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 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) [2023-08-24 06:16:47,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 06:16:47,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 131 [2023-08-24 06:16:47,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 06:16:47,724 INFO L124 PetriNetUnfolderBase]: 8/24 cut-off events. [2023-08-24 06:16:47,725 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-24 06:16:47,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 24 events. 8/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 8 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 44. Up to 25 conditions per place. [2023-08-24 06:16:47,726 INFO L140 encePairwiseOnDemand]: 130/131 looper letters, 8 selfloop transitions, 0 changer transitions 0/8 dead transitions. [2023-08-24 06:16:47,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 8 transitions, 35 flow [2023-08-24 06:16:47,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-24 06:16:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-24 06:16:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 143 transitions. [2023-08-24 06:16:47,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5458015267175572 [2023-08-24 06:16:47,734 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 143 transitions. [2023-08-24 06:16:47,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 143 transitions. [2023-08-24 06:16:47,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 06:16:47,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 143 transitions. [2023-08-24 06:16:47,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 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) [2023-08-24 06:16:47,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2023-08-24 06:16:47,745 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2023-08-24 06:16:47,746 INFO L175 Difference]: Start difference. First operand has 13 places, 9 transitions, 21 flow. Second operand 2 states and 143 transitions. [2023-08-24 06:16:47,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 8 transitions, 35 flow [2023-08-24 06:16:47,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 8 transitions, 34 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-24 06:16:47,748 INFO L231 Difference]: Finished difference. Result has 12 places, 8 transitions, 18 flow [2023-08-24 06:16:47,749 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=18, PETRI_PLACES=12, PETRI_TRANSITIONS=8} [2023-08-24 06:16:47,751 INFO L281 CegarLoopForPetriNet]: 13 programPoint places, -1 predicate places. [2023-08-24 06:16:47,751 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 8 transitions, 18 flow [2023-08-24 06:16:47,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 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) [2023-08-24 06:16:47,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 06:16:47,752 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-24 06:16:47,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-24 06:16:47,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-08-24 06:16:47,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 06:16:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash -717423762, now seen corresponding path program 1 times [2023-08-24 06:16:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 06:16:47,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010758292] [2023-08-24 06:16:47,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 06:16:47,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 06:16:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 06:16:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 06:16:47,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 06:16:47,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010758292] [2023-08-24 06:16:47,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010758292] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 06:16:47,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 06:16:47,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-24 06:16:47,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306362286] [2023-08-24 06:16:47,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 06:16:47,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-24 06:16:47,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 06:16:47,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-24 06:16:47,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-24 06:16:47,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 131 [2023-08-24 06:16:47,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 8 transitions, 18 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-08-24 06:16:47,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 06:16:47,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 131 [2023-08-24 06:16:47,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 06:16:47,919 INFO L124 PetriNetUnfolderBase]: 6/19 cut-off events. [2023-08-24 06:16:47,919 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-24 06:16:47,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 19 events. 6/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 4 based on Foata normal form. 3/22 useless extension candidates. Maximal degree in co-relation 40. Up to 15 conditions per place. [2023-08-24 06:16:47,919 INFO L140 encePairwiseOnDemand]: 129/131 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2023-08-24 06:16:47,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 9 transitions, 38 flow [2023-08-24 06:16:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-24 06:16:47,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-24 06:16:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2023-08-24 06:16:47,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49872773536895676 [2023-08-24 06:16:47,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 196 transitions. [2023-08-24 06:16:47,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 196 transitions. [2023-08-24 06:16:47,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 06:16:47,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 196 transitions. [2023-08-24 06:16:47,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2023-08-24 06:16:47,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2023-08-24 06:16:47,925 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2023-08-24 06:16:47,925 INFO L175 Difference]: Start difference. First operand has 12 places, 8 transitions, 18 flow. Second operand 3 states and 196 transitions. [2023-08-24 06:16:47,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 9 transitions, 38 flow [2023-08-24 06:16:47,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 9 transitions, 38 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-24 06:16:47,925 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-24 06:16:47,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2023-08-24 06:16:47,926 INFO L281 CegarLoopForPetriNet]: 13 programPoint places, 0 predicate places. [2023-08-24 06:16:47,926 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-24 06:16:47,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-08-24 06:16:47,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-08-24 06:16:47,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-08-24 06:16:47,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-08-24 06:16:47,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-08-24 06:16:47,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-24 06:16:47,929 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-24 06:16:47,932 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-24 06:16:47,932 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-24 06:16:47,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.08 06:16:47 BasicIcfg [2023-08-24 06:16:47,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-24 06:16:47,935 INFO L158 Benchmark]: Toolchain (without parser) took 3138.50ms. Allocated memory was 396.4MB in the beginning and 476.1MB in the end (delta: 79.7MB). Free memory was 371.5MB in the beginning and 414.5MB in the end (delta: -43.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.0GB. [2023-08-24 06:16:47,935 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 396.4MB. Free memory is still 372.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-24 06:16:47,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.54ms. Allocated memory is still 396.4MB. Free memory was 371.0MB in the beginning and 352.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-24 06:16:47,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.21ms. Allocated memory is still 396.4MB. Free memory was 352.1MB in the beginning and 350.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-24 06:16:47,936 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 396.4MB. Free memory was 350.0MB in the beginning and 348.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-24 06:16:47,937 INFO L158 Benchmark]: RCFGBuilder took 296.55ms. Allocated memory is still 396.4MB. Free memory was 348.4MB in the beginning and 334.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-24 06:16:47,937 INFO L158 Benchmark]: TraceAbstraction took 2394.19ms. Allocated memory was 396.4MB in the beginning and 476.1MB in the end (delta: 79.7MB). Free memory was 333.8MB in the beginning and 414.5MB in the end (delta: -80.8MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-24 06:16:47,939 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 396.4MB. Free memory is still 372.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 360.54ms. Allocated memory is still 396.4MB. Free memory was 371.0MB in the beginning and 352.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 43.21ms. Allocated memory is still 396.4MB. Free memory was 352.1MB in the beginning and 350.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 396.4MB. Free memory was 350.0MB in the beginning and 348.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 296.55ms. Allocated memory is still 396.4MB. Free memory was 348.4MB in the beginning and 334.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2394.19ms. Allocated memory was 396.4MB in the beginning and 476.1MB in the end (delta: 79.7MB). Free memory was 333.8MB in the beginning and 414.5MB in the end (delta: -80.8MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 60 PlacesBefore, 13 PlacesAfterwards, 57 TransitionsBefore, 9 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 256 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 153, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 89, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 95 locations, 4 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: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-24 06:16:47,963 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...