/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:56:12,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:56:12,497 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 [2023-08-25 03:56:12,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:56:12,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:56:12,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:56:12,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:56:12,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:56:12,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:56:12,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:56:12,539 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:56:12,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:56:12,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:56:12,540 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:56:12,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:56:12,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:56:12,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:56:12,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:56:12,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:56:12,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:56:12,542 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:56:12,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:56:12,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:56:12,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:56:12,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:56:12,543 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:56:12,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:56:12,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:56:12,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:56:12,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:56:12,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:56:12,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:56:12,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:56:12,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:56:12,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:56:12,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:56:12,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:56:12,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:56:12,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:56:12,879 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:56:12,879 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:56:12,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-25 03:56:14,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:56:14,406 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:56:14,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-25 03:56:14,427 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a50d075/b6e6d842d29e444eb2e2620ccea03679/FLAGc320244ce [2023-08-25 03:56:14,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a50d075/b6e6d842d29e444eb2e2620ccea03679 [2023-08-25 03:56:14,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:56:14,447 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:56:14,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:56:14,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:56:14,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:56:14,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:14,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176a7b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14, skipping insertion in model container [2023-08-25 03:56:14,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:14,503 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:56:14,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:56:14,821 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:56:14,847 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-25 03:56:14,848 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 03:56:14,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:56:14,916 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:56:14,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14 WrapperNode [2023-08-25 03:56:14,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:56:14,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:56:14,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:56:14,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:56:14,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:14,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:14,977 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-08-25 03:56:14,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:56:14,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:56:14,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:56:14,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:56:14,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:14,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:14,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:14,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:15,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:15,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:15,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:15,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:15,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:56:15,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:56:15,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:56:15,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:56:15,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (1/1) ... [2023-08-25 03:56:15,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:56:15,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:56:15,053 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) [2023-08-25 03:56:15,074 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 [2023-08-25 03:56:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:56:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:56:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:56:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:56:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:56:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:56:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:56:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:56:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:56:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:56:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:56:15,091 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 03:56:15,232 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:56:15,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:56:15,428 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:56:15,434 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:56:15,435 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:56:15,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:56:15 BoogieIcfgContainer [2023-08-25 03:56:15,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:56:15,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:56:15,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:56:15,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:56:15,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:56:14" (1/3) ... [2023-08-25 03:56:15,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c29b60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:56:15, skipping insertion in model container [2023-08-25 03:56:15,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:14" (2/3) ... [2023-08-25 03:56:15,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c29b60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:56:15, skipping insertion in model container [2023-08-25 03:56:15,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:56:15" (3/3) ... [2023-08-25 03:56:15,444 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-25 03:56:15,459 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:56:15,460 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-25 03:56:15,460 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:56:15,501 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-25 03:56:15,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 88 transitions, 184 flow [2023-08-25 03:56:15,590 INFO L124 PetriNetUnfolderBase]: 2/87 cut-off events. [2023-08-25 03:56:15,591 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 03:56:15,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 87 events. 2/87 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-25 03:56:15,595 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 88 transitions, 184 flow [2023-08-25 03:56:15,598 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 80 transitions, 163 flow [2023-08-25 03:56:15,601 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:56:15,608 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 80 transitions, 163 flow [2023-08-25 03:56:15,610 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 80 transitions, 163 flow [2023-08-25 03:56:15,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 80 transitions, 163 flow [2023-08-25 03:56:15,627 INFO L124 PetriNetUnfolderBase]: 2/80 cut-off events. [2023-08-25 03:56:15,627 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:15,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-25 03:56:15,629 INFO L119 LiptonReduction]: Number of co-enabled transitions 1296 [2023-08-25 03:56:18,167 INFO L134 LiptonReduction]: Checked pairs total: 4239 [2023-08-25 03:56:18,168 INFO L136 LiptonReduction]: Total number of compositions: 62 [2023-08-25 03:56:18,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:56:18,195 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;@4f75732d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:56:18,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-25 03:56:18,202 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:56:18,202 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-08-25 03:56:18,202 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:18,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:56:18,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-25 03:56:18,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:56:18,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:56:18,209 INFO L85 PathProgramCache]: Analyzing trace with hash 287261771, now seen corresponding path program 1 times [2023-08-25 03:56:18,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:56:18,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835212304] [2023-08-25 03:56:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:56:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:56:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:56:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:56:18,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:56:18,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835212304] [2023-08-25 03:56:18,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835212304] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:56:18,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:56:18,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:56:18,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708767141] [2023-08-25 03:56:18,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:56:18,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:56:18,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:56:18,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:56:18,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:56:18,476 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 150 [2023-08-25 03:56:18,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2023-08-25 03:56:18,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:56:18,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 150 [2023-08-25 03:56:18,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:56:18,578 INFO L124 PetriNetUnfolderBase]: 162/387 cut-off events. [2023-08-25 03:56:18,578 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:18,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 387 events. 162/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1930 event pairs, 18 based on Foata normal form. 21/298 useless extension candidates. Maximal degree in co-relation 747. Up to 188 conditions per place. [2023-08-25 03:56:18,583 INFO L140 encePairwiseOnDemand]: 144/150 looper letters, 37 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-08-25 03:56:18,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 44 transitions, 173 flow [2023-08-25 03:56:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:56:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:56:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2023-08-25 03:56:18,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5911111111111111 [2023-08-25 03:56:18,595 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 266 transitions. [2023-08-25 03:56:18,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 266 transitions. [2023-08-25 03:56:18,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:56:18,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 266 transitions. [2023-08-25 03:56:18,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2023-08-25 03:56:18,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2023-08-25 03:56:18,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2023-08-25 03:56:18,608 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 57 flow. Second operand 3 states and 266 transitions. [2023-08-25 03:56:18,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 44 transitions, 173 flow [2023-08-25 03:56:18,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 44 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:56:18,612 INFO L231 Difference]: Finished difference. Result has 33 places, 29 transitions, 84 flow [2023-08-25 03:56:18,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=33, PETRI_TRANSITIONS=29} [2023-08-25 03:56:18,616 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 3 predicate places. [2023-08-25 03:56:18,617 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 29 transitions, 84 flow [2023-08-25 03:56:18,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2023-08-25 03:56:18,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:56:18,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 03:56:18,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:56:18,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:56:18,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:56:18,618 INFO L85 PathProgramCache]: Analyzing trace with hash 315180610, now seen corresponding path program 1 times [2023-08-25 03:56:18,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:56:18,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771145539] [2023-08-25 03:56:18,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:56:18,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:56:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:56:18,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:56:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:56:18,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:56:18,668 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:56:18,669 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (7 of 8 remaining) [2023-08-25 03:56:18,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-25 03:56:18,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-25 03:56:18,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-08-25 03:56:18,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-08-25 03:56:18,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-25 03:56:18,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-25 03:56:18,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-25 03:56:18,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:56:18,672 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-25 03:56:18,677 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:56:18,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:56:18,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:56:18 BasicIcfg [2023-08-25 03:56:18,694 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:56:18,695 INFO L158 Benchmark]: Toolchain (without parser) took 4247.89ms. Allocated memory was 341.8MB in the beginning and 438.3MB in the end (delta: 96.5MB). Free memory was 316.9MB in the beginning and 364.3MB in the end (delta: -47.4MB). Peak memory consumption was 50.6MB. Max. memory is 16.0GB. [2023-08-25 03:56:18,696 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 341.8MB. Free memory is still 318.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:56:18,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.89ms. Allocated memory is still 341.8MB. Free memory was 316.4MB in the beginning and 297.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 03:56:18,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.93ms. Allocated memory is still 341.8MB. Free memory was 297.5MB in the beginning and 295.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:56:18,697 INFO L158 Benchmark]: Boogie Preprocessor took 39.72ms. Allocated memory is still 341.8MB. Free memory was 295.4MB in the beginning and 293.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:56:18,697 INFO L158 Benchmark]: RCFGBuilder took 417.93ms. Allocated memory is still 341.8MB. Free memory was 293.8MB in the beginning and 279.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 03:56:18,698 INFO L158 Benchmark]: TraceAbstraction took 3256.07ms. Allocated memory was 341.8MB in the beginning and 438.3MB in the end (delta: 96.5MB). Free memory was 279.1MB in the beginning and 364.3MB in the end (delta: -85.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.0GB. [2023-08-25 03:56:18,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 341.8MB. Free memory is still 318.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 466.89ms. Allocated memory is still 341.8MB. Free memory was 316.4MB in the beginning and 297.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.93ms. Allocated memory is still 341.8MB. Free memory was 297.5MB in the beginning and 295.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 39.72ms. Allocated memory is still 341.8MB. Free memory was 295.4MB in the beginning and 293.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 417.93ms. Allocated memory is still 341.8MB. Free memory was 293.8MB in the beginning and 279.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 3256.07ms. Allocated memory was 341.8MB in the beginning and 438.3MB in the end (delta: 96.5MB). Free memory was 279.1MB in the beginning and 364.3MB in the end (delta: -85.2MB). Peak memory consumption was 12.8MB. 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: 2.6s, 82 PlacesBefore, 30 PlacesAfterwards, 80 TransitionsBefore, 27 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 4239 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1950, independent: 1701, independent conditional: 0, independent unconditional: 1701, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 675, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1950, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 675, unknown conditional: 0, unknown unconditional: 675] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: assertion can be violated assertion can be violated We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] EXPR 0 glob1 == 5 [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 113 locations, 8 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: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 52 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=84occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-25 03:56:18,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...