/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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 04:50:23,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 04:50:23,668 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 [2023-08-27 04:50:23,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 04:50:23,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 04:50:23,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 04:50:23,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 04:50:23,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 04:50:23,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 04:50:23,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 04:50:23,707 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 04:50:23,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 04:50:23,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 04:50:23,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 04:50:23,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 04:50:23,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 04:50:23,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 04:50:23,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 04:50:23,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 04:50:23,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 04:50:23,711 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 04:50:23,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 04:50:23,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 04:50:23,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 04:50:23,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 04:50:23,713 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 04:50:23,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 04:50:23,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 04:50:23,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 04:50:23,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 04:50:23,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 04:50:23,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 04:50:23,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 04:50:23,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 04:50:23,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 04:50:23,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 04:50:24,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 04:50:24,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 04:50:24,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 04:50:24,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 04:50:24,066 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 04:50:24,068 INFO L431 ainManager$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 [2023-08-27 04:50:25,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 04:50:25,528 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 04:50:25,529 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2023-08-27 04:50:25,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9355911fd/fc49425943b449fbbcf3987035ede366/FLAG5612d7a8e [2023-08-27 04:50:25,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9355911fd/fc49425943b449fbbcf3987035ede366 [2023-08-27 04:50:25,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 04:50:25,573 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 04:50:25,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 04:50:25,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 04:50:25,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 04:50:25,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:50:25" (1/1) ... [2023-08-27 04:50:25,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5b477b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:25, skipping insertion in model container [2023-08-27 04:50:25,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:50:25" (1/1) ... [2023-08-27 04:50:25,620 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 04:50:25,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 04:50:25,958 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 04:50:25,984 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-27 04:50:25,986 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-27 04:50:26,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 04:50:26,046 INFO L206 MainTranslator]: Completed translation [2023-08-27 04:50:26,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26 WrapperNode [2023-08-27 04:50:26,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 04:50:26,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 04:50:26,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 04:50:26,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 04:50:26,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,107 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 75 [2023-08-27 04:50:26,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 04:50:26,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 04:50:26,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 04:50:26,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 04:50:26,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 04:50:26,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 04:50:26,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 04:50:26,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 04:50:26,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (1/1) ... [2023-08-27 04:50:26,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 04:50:26,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 04:50:26,170 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) [2023-08-27 04:50:26,186 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 [2023-08-27 04:50:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 04:50:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 04:50:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-27 04:50:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 04:50:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 04:50:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-27 04:50:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-27 04:50:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 04:50:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 04:50:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 04:50:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 04:50:26,215 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 04:50:26,351 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 04:50:26,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 04:50:26,570 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 04:50:26,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 04:50:26,575 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 04:50:26,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:50:26 BoogieIcfgContainer [2023-08-27 04:50:26,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 04:50:26,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 04:50:26,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 04:50:26,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 04:50:26,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 04:50:25" (1/3) ... [2023-08-27 04:50:26,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92254ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:50:26, skipping insertion in model container [2023-08-27 04:50:26,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:26" (2/3) ... [2023-08-27 04:50:26,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92254ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:50:26, skipping insertion in model container [2023-08-27 04:50:26,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:50:26" (3/3) ... [2023-08-27 04:50:26,584 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2023-08-27 04:50:26,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 04:50:26,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-27 04:50:26,602 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 04:50:26,667 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-27 04:50:26,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 81 transitions, 170 flow [2023-08-27 04:50:26,728 INFO L124 PetriNetUnfolderBase]: 4/80 cut-off events. [2023-08-27 04:50:26,728 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-27 04:50:26,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 4/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-08-27 04:50:26,732 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 81 transitions, 170 flow [2023-08-27 04:50:26,752 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 63 transitions, 129 flow [2023-08-27 04:50:26,755 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 04:50:26,762 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 63 transitions, 129 flow [2023-08-27 04:50:26,764 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 63 transitions, 129 flow [2023-08-27 04:50:26,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 63 transitions, 129 flow [2023-08-27 04:50:26,778 INFO L124 PetriNetUnfolderBase]: 2/63 cut-off events. [2023-08-27 04:50:26,778 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 04:50:26,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 63 events. 2/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-08-27 04:50:26,779 INFO L119 LiptonReduction]: Number of co-enabled transitions 192 [2023-08-27 04:50:29,284 INFO L134 LiptonReduction]: Checked pairs total: 322 [2023-08-27 04:50:29,285 INFO L136 LiptonReduction]: Total number of compositions: 66 [2023-08-27 04:50:29,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 04:50:29,303 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;@599fd788, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 04:50:29,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-27 04:50:29,304 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 04:50:29,304 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-27 04:50:29,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 04:50:29,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 04:50:29,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-27 04:50:29,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONASSERT (and 1 more)] === [2023-08-27 04:50:29,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 04:50:29,309 INFO L85 PathProgramCache]: Analyzing trace with hash 302, now seen corresponding path program 1 times [2023-08-27 04:50:29,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 04:50:29,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624055473] [2023-08-27 04:50:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 04:50:29,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 04:50:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 04:50:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 04:50:29,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 04:50:29,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624055473] [2023-08-27 04:50:29,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624055473] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 04:50:29,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 04:50:29,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-27 04:50:29,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321661351] [2023-08-27 04:50:29,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 04:50:29,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-27 04:50:29,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 04:50:29,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-27 04:50:29,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-27 04:50:29,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 147 [2023-08-27 04:50:29,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 9 transitions, 21 flow. Second operand has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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) [2023-08-27 04:50:29,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 04:50:29,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 147 [2023-08-27 04:50:29,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 04:50:29,470 INFO L124 PetriNetUnfolderBase]: 8/24 cut-off events. [2023-08-27 04:50:29,470 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 04:50:29,470 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. [2023-08-27 04:50:29,472 INFO L140 encePairwiseOnDemand]: 146/147 looper letters, 8 selfloop transitions, 0 changer transitions 0/8 dead transitions. [2023-08-27 04:50:29,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 8 transitions, 35 flow [2023-08-27 04:50:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-27 04:50:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-27 04:50:29,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 155 transitions. [2023-08-27 04:50:29,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5272108843537415 [2023-08-27 04:50:29,489 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 155 transitions. [2023-08-27 04:50:29,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 155 transitions. [2023-08-27 04:50:29,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 04:50:29,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 155 transitions. [2023-08-27 04:50:29,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 77.5) internal successors, (155), 2 states have internal predecessors, (155), 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) [2023-08-27 04:50:29,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:29,504 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:29,505 INFO L175 Difference]: Start difference. First operand has 13 places, 9 transitions, 21 flow. Second operand 2 states and 155 transitions. [2023-08-27 04:50:29,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 8 transitions, 35 flow [2023-08-27 04:50:29,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 8 transitions, 34 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 04:50:29,509 INFO L231 Difference]: Finished difference. Result has 12 places, 8 transitions, 18 flow [2023-08-27 04:50:29,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, 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} [2023-08-27 04:50:29,513 INFO L281 CegarLoopForPetriNet]: 13 programPoint places, -1 predicate places. [2023-08-27 04:50:29,514 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 8 transitions, 18 flow [2023-08-27 04:50:29,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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) [2023-08-27 04:50:29,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 04:50:29,514 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-27 04:50:29,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 04:50:29,515 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONASSERT (and 1 more)] === [2023-08-27 04:50:29,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 04:50:29,516 INFO L85 PathProgramCache]: Analyzing trace with hash 340067403, now seen corresponding path program 1 times [2023-08-27 04:50:29,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 04:50:29,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817656341] [2023-08-27 04:50:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 04:50:29,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 04:50:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 04:50:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 04:50:29,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 04:50:29,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817656341] [2023-08-27 04:50:29,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817656341] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 04:50:29,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 04:50:29,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 04:50:29,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244215147] [2023-08-27 04:50:29,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 04:50:29,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 04:50:29,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 04:50:29,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 04:50:29,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 04:50:29,706 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 147 [2023-08-27 04:50:29,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 8 transitions, 18 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2023-08-27 04:50:29,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 04:50:29,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 147 [2023-08-27 04:50:29,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 04:50:29,724 INFO L124 PetriNetUnfolderBase]: 6/19 cut-off events. [2023-08-27 04:50:29,725 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 04:50:29,725 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. [2023-08-27 04:50:29,725 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2023-08-27 04:50:29,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 9 transitions, 38 flow [2023-08-27 04:50:29,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 04:50:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 04:50:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2023-08-27 04:50:29,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4852607709750567 [2023-08-27 04:50:29,728 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 214 transitions. [2023-08-27 04:50:29,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions. [2023-08-27 04:50:29,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 04:50:29,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions. [2023-08-27 04:50:29,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2023-08-27 04:50:29,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 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) [2023-08-27 04:50:29,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 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) [2023-08-27 04:50:29,731 INFO L175 Difference]: Start difference. First operand has 12 places, 8 transitions, 18 flow. Second operand 3 states and 214 transitions. [2023-08-27 04:50:29,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 9 transitions, 38 flow [2023-08-27 04:50:29,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 9 transitions, 38 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-27 04:50:29,732 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-27 04:50:29,732 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, 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} [2023-08-27 04:50:29,733 INFO L281 CegarLoopForPetriNet]: 13 programPoint places, 0 predicate places. [2023-08-27 04:50:29,733 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-27 04:50:29,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2023-08-27 04:50:29,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-08-27 04:50:29,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-08-27 04:50:29,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONASSERT (1 of 4 remaining) [2023-08-27 04:50:29,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONASSERT (0 of 4 remaining) [2023-08-27 04:50:29,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 04:50:29,737 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-27 04:50:29,741 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 04:50:29,742 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 04:50:29,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 04:50:29 BasicIcfg [2023-08-27 04:50:29,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 04:50:29,746 INFO L158 Benchmark]: Toolchain (without parser) took 4172.64ms. Allocated memory was 339.7MB in the beginning and 408.9MB in the end (delta: 69.2MB). Free memory was 314.8MB in the beginning and 320.4MB in the end (delta: -5.6MB). Peak memory consumption was 65.1MB. Max. memory is 16.0GB. [2023-08-27 04:50:29,746 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 339.7MB. Free memory is still 316.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 04:50:29,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.39ms. Allocated memory is still 339.7MB. Free memory was 314.8MB in the beginning and 295.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-27 04:50:29,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.06ms. Allocated memory is still 339.7MB. Free memory was 295.9MB in the beginning and 293.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 04:50:29,747 INFO L158 Benchmark]: Boogie Preprocessor took 26.39ms. Allocated memory is still 339.7MB. Free memory was 293.8MB in the beginning and 292.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 04:50:29,748 INFO L158 Benchmark]: RCFGBuilder took 442.19ms. Allocated memory is still 339.7MB. Free memory was 292.1MB in the beginning and 278.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-27 04:50:29,748 INFO L158 Benchmark]: TraceAbstraction took 3166.20ms. Allocated memory was 339.7MB in the beginning and 408.9MB in the end (delta: 69.2MB). Free memory was 278.3MB in the beginning and 320.4MB in the end (delta: -42.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-27 04:50:29,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 339.7MB. Free memory is still 316.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 473.39ms. Allocated memory is still 339.7MB. Free memory was 314.8MB in the beginning and 295.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.06ms. Allocated memory is still 339.7MB. Free memory was 295.9MB in the beginning and 293.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.39ms. Allocated memory is still 339.7MB. Free memory was 293.8MB in the beginning and 292.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 442.19ms. Allocated memory is still 339.7MB. Free memory was 292.1MB in the beginning and 278.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 3166.20ms. Allocated memory was 339.7MB in the beginning and 408.9MB in the end (delta: 69.2MB). Free memory was 278.3MB in the beginning and 320.4MB in the end (delta: -42.1MB). Peak memory consumption was 29.4MB. 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: 2.5s, 65 PlacesBefore, 13 PlacesAfterwards, 63 TransitionsBefore, 9 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 322 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 109, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 188, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 104 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: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s 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! [2023-08-27 04:50:29,775 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...