/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_18-first-reads_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:55:58,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:55:58,518 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 03:55:58,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:55:58,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:55:58,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:55:58,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:55:58,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:55:58,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:55:58,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:55:58,555 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:55:58,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:55:58,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:55:58,556 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:55:58,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:55:58,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:55:58,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:55:58,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:55:58,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:55:58,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:55:58,559 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:55:58,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:55:58,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:55:58,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:55:58,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:55:58,569 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:55:58,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:55:58,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:55:58,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:55:58,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:55:58,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:55:58,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:55:58,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:55:58,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:55:58,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:55:58,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:55:58,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:55:58,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:55:58,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:55:58,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:55:58,880 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:55:58,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2023-08-25 03:56:00,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:56:00,304 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:56:00,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2023-08-25 03:56:00,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa1941f5/6991c250043e425383d4e3b7147a14ac/FLAGce5cf1518 [2023-08-25 03:56:00,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa1941f5/6991c250043e425383d4e3b7147a14ac [2023-08-25 03:56:00,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:56:00,342 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:56:00,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:56:00,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:56:00,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:56:00,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789696af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00, skipping insertion in model container [2023-08-25 03:56:00,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,388 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:56:00,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:56:00,644 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:56:00,673 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 03:56:00,675 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [233] [2023-08-25 03:56:00,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:56:00,738 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:56:00,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00 WrapperNode [2023-08-25 03:56:00,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:56:00,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:56:00,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:56:00,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:56:00,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,798 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-08-25 03:56:00,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:56:00,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:56:00,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:56:00,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:56:00,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:56:00,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:56:00,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:56:00,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:56:00,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (1/1) ... [2023-08-25 03:56:00,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:56:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:56:00,873 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 03:56:00,904 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 03:56:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:56:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:56:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:56:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:56:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:56:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:56:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:56:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:56:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:56:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:56:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:56:00,919 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 03:56:01,052 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:56:01,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:56:01,163 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:56:01,169 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:56:01,169 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:56:01,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:56:01 BoogieIcfgContainer [2023-08-25 03:56:01,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:56:01,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:56:01,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:56:01,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:56:01,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:56:00" (1/3) ... [2023-08-25 03:56:01,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ec594b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:56:01, skipping insertion in model container [2023-08-25 03:56:01,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:00" (2/3) ... [2023-08-25 03:56:01,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ec594b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:56:01, skipping insertion in model container [2023-08-25 03:56:01,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:56:01" (3/3) ... [2023-08-25 03:56:01,177 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2023-08-25 03:56:01,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:56:01,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-25 03:56:01,191 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:56:01,235 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-25 03:56:01,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 82 transitions, 172 flow [2023-08-25 03:56:01,323 INFO L124 PetriNetUnfolderBase]: 3/81 cut-off events. [2023-08-25 03:56:01,323 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 03:56:01,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 81 events. 3/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2023-08-25 03:56:01,328 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 82 transitions, 172 flow [2023-08-25 03:56:01,335 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 74 transitions, 151 flow [2023-08-25 03:56:01,340 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:56:01,352 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 74 transitions, 151 flow [2023-08-25 03:56:01,354 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 74 transitions, 151 flow [2023-08-25 03:56:01,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 74 transitions, 151 flow [2023-08-25 03:56:01,394 INFO L124 PetriNetUnfolderBase]: 3/74 cut-off events. [2023-08-25 03:56:01,395 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:01,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 3/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2023-08-25 03:56:01,396 INFO L119 LiptonReduction]: Number of co-enabled transitions 960 [2023-08-25 03:56:04,060 INFO L134 LiptonReduction]: Checked pairs total: 1031 [2023-08-25 03:56:04,060 INFO L136 LiptonReduction]: Total number of compositions: 84 [2023-08-25 03:56:04,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:56:04,077 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;@55c528ec, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:56:04,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-25 03:56:04,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:56:04,079 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-08-25 03:56:04,079 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:04,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:56:04,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-25 03:56:04,080 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-25 03:56:04,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:56:04,084 INFO L85 PathProgramCache]: Analyzing trace with hash 322254, now seen corresponding path program 1 times [2023-08-25 03:56:04,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:56:04,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035466661] [2023-08-25 03:56:04,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:56:04,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:56:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:56:04,245 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 03:56:04,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:56:04,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035466661] [2023-08-25 03:56:04,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035466661] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:56:04,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:56:04,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 03:56:04,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261832128] [2023-08-25 03:56:04,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:56:04,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:56:04,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:56:04,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:56:04,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:56:04,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 166 [2023-08-25 03:56:04,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 25 flow. Second operand has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 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 03:56:04,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:56:04,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 166 [2023-08-25 03:56:04,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:56:04,300 INFO L124 PetriNetUnfolderBase]: 6/19 cut-off events. [2023-08-25 03:56:04,300 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:04,300 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 5. Compared 33 event pairs, 6 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 34. Up to 20 conditions per place. [2023-08-25 03:56:04,301 INFO L140 encePairwiseOnDemand]: 162/166 looper letters, 5 selfloop transitions, 0 changer transitions 2/7 dead transitions. [2023-08-25 03:56:04,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 7 transitions, 31 flow [2023-08-25 03:56:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:56:04,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:56:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 165 transitions. [2023-08-25 03:56:04,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49698795180722893 [2023-08-25 03:56:04,312 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 165 transitions. [2023-08-25 03:56:04,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 165 transitions. [2023-08-25 03:56:04,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:56:04,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 165 transitions. [2023-08-25 03:56:04,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 82.5) internal successors, (165), 2 states have internal predecessors, (165), 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 03:56:04,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 03:56:04,321 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 03:56:04,323 INFO L175 Difference]: Start difference. First operand has 15 places, 11 transitions, 25 flow. Second operand 2 states and 165 transitions. [2023-08-25 03:56:04,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 7 transitions, 31 flow [2023-08-25 03:56:04,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 7 transitions, 30 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:56:04,325 INFO L231 Difference]: Finished difference. Result has 11 places, 5 transitions, 12 flow [2023-08-25 03:56:04,327 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=10, 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=2, PETRI_FLOW=12, PETRI_PLACES=11, PETRI_TRANSITIONS=5} [2023-08-25 03:56:04,329 INFO L281 CegarLoopForPetriNet]: 15 programPoint places, -4 predicate places. [2023-08-25 03:56:04,330 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 5 transitions, 12 flow [2023-08-25 03:56:04,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 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 03:56:04,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:56:04,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-25 03:56:04,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:56:04,331 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-25 03:56:04,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:56:04,331 INFO L85 PathProgramCache]: Analyzing trace with hash 322267, now seen corresponding path program 1 times [2023-08-25 03:56:04,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:56:04,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135242811] [2023-08-25 03:56:04,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:56:04,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:56:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:56:04,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:56:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:56:04,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:56:04,388 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:56:04,389 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr2ASSERT_VIOLATIONASSERT (9 of 10 remaining) [2023-08-25 03:56:04,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-08-25 03:56:04,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 10 remaining) [2023-08-25 03:56:04,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-08-25 03:56:04,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-08-25 03:56:04,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONASSERT (4 of 10 remaining) [2023-08-25 03:56:04,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-08-25 03:56:04,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-08-25 03:56:04,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-08-25 03:56:04,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-08-25 03:56:04,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:56:04,392 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-25 03:56:04,397 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:56:04,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:56:04,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:56:04 BasicIcfg [2023-08-25 03:56:04,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:56:04,412 INFO L158 Benchmark]: Toolchain (without parser) took 4069.38ms. Allocated memory was 398.5MB in the beginning and 501.2MB in the end (delta: 102.8MB). Free memory was 373.1MB in the beginning and 447.2MB in the end (delta: -74.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.0GB. [2023-08-25 03:56:04,412 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 398.5MB. Free memory was 374.9MB in the beginning and 374.8MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:56:04,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.47ms. Allocated memory is still 398.5MB. Free memory was 373.1MB in the beginning and 354.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 03:56:04,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.41ms. Allocated memory is still 398.5MB. Free memory was 354.0MB in the beginning and 351.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:56:04,414 INFO L158 Benchmark]: Boogie Preprocessor took 38.39ms. Allocated memory is still 398.5MB. Free memory was 351.9MB in the beginning and 350.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:56:04,414 INFO L158 Benchmark]: RCFGBuilder took 332.01ms. Allocated memory is still 398.5MB. Free memory was 350.4MB in the beginning and 337.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 03:56:04,414 INFO L158 Benchmark]: TraceAbstraction took 3238.75ms. Allocated memory was 398.5MB in the beginning and 501.2MB in the end (delta: 102.8MB). Free memory was 336.5MB in the beginning and 447.2MB in the end (delta: -110.7MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:56:04,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 398.5MB. Free memory was 374.9MB in the beginning and 374.8MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 395.47ms. Allocated memory is still 398.5MB. Free memory was 373.1MB in the beginning and 354.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.41ms. Allocated memory is still 398.5MB. Free memory was 354.0MB in the beginning and 351.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 38.39ms. Allocated memory is still 398.5MB. Free memory was 351.9MB in the beginning and 350.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 332.01ms. Allocated memory is still 398.5MB. Free memory was 350.4MB in the beginning and 337.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 3238.75ms. Allocated memory was 398.5MB in the beginning and 501.2MB in the end (delta: 102.8MB). Free memory was 336.5MB in the beginning and 447.2MB in the end (delta: -110.7MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] - GenericResultAtLocation [Line: 233]: Unsoundness Warning unspecified type, defaulting to int C: short [233] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 75 PlacesBefore, 15 PlacesAfterwards, 74 TransitionsBefore, 11 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 84 TotalNumberOfCompositions, 1031 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 818, independent: 783, independent conditional: 0, independent unconditional: 783, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 530, independent: 516, independent conditional: 0, independent unconditional: 516, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 818, independent: 267, independent conditional: 0, independent unconditional: 267, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 530, unknown conditional: 0, unknown unconditional: 530] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, 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 - CounterExampleResult [Line: 18]: assertion can be violated assertion can be violated We found a FailurePath: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, mutex1={3:0}] - 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: 698]: 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: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: 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, 119 locations, 10 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: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 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 03:56:04,432 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...