/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.signed.integer.overflows true -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 21:31:17,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 21:31:17,282 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 [2023-08-26 21:31:17,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 21:31:17,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 21:31:17,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 21:31:17,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 21:31:17,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 21:31:17,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 21:31:17,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 21:31:17,326 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 21:31:17,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 21:31:17,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 21:31:17,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 21:31:17,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 21:31:17,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 21:31:17,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 21:31:17,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 21:31:17,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 21:31:17,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 21:31:17,329 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 21:31:17,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 21:31:17,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 21:31:17,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 21:31:17,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 21:31:17,331 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 21:31:17,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 21:31:17,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 21:31:17,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 21:31:17,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 21:31:17,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 21:31:17,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 21:31:17,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 21:31:17,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 21:31:17,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 21:31:17,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-26 21:31:17,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 21:31:17,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 21:31:17,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 21:31:17,625 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 21:31:17,626 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 21:31:17,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-26 21:31:18,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 21:31:19,073 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 21:31:19,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-26 21:31:19,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5f8e8bf/1f5d764f84a442d69ca8ff9ca9a008e9/FLAGaa40d5531 [2023-08-26 21:31:19,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5f8e8bf/1f5d764f84a442d69ca8ff9ca9a008e9 [2023-08-26 21:31:19,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 21:31:19,114 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 21:31:19,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 21:31:19,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 21:31:19,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 21:31:19,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:19,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5839c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19, skipping insertion in model container [2023-08-26 21:31:19,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:19,189 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 21:31:19,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 21:31:19,802 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 21:31:19,815 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 21:31:19,816 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 21:31:19,823 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-26 21:31:19,840 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-26 21:31:19,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 21:31:19,955 INFO L206 MainTranslator]: Completed translation [2023-08-26 21:31:19,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19 WrapperNode [2023-08-26 21:31:19,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 21:31:19,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 21:31:19,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 21:31:19,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 21:31:19,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:19,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,038 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 155 [2023-08-26 21:31:20,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 21:31:20,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 21:31:20,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 21:31:20,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 21:31:20,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 21:31:20,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 21:31:20,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 21:31:20,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 21:31:20,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (1/1) ... [2023-08-26 21:31:20,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 21:31:20,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 21:31:20,148 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) [2023-08-26 21:31:20,154 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 [2023-08-26 21:31:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 21:31:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 21:31:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 21:31:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 21:31:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 21:31:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 21:31:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 21:31:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-26 21:31:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-26 21:31:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 21:31:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 21:31:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 21:31:20,179 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 21:31:20,450 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 21:31:20,453 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 21:31:20,689 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 21:31:20,696 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 21:31:20,696 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 21:31:20,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:31:20 BoogieIcfgContainer [2023-08-26 21:31:20,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 21:31:20,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 21:31:20,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 21:31:20,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 21:31:20,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 09:31:19" (1/3) ... [2023-08-26 21:31:20,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbaf560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:31:20, skipping insertion in model container [2023-08-26 21:31:20,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:19" (2/3) ... [2023-08-26 21:31:20,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbaf560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:31:20, skipping insertion in model container [2023-08-26 21:31:20,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:31:20" (3/3) ... [2023-08-26 21:31:20,704 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-08-26 21:31:20,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 21:31:20,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-26 21:31:20,718 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 21:31:20,789 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 21:31:20,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 210 transitions, 436 flow [2023-08-26 21:31:20,895 INFO L124 PetriNetUnfolderBase]: 18/258 cut-off events. [2023-08-26 21:31:20,895 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 21:31:20,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 258 events. 18/258 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 516 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 148. Up to 4 conditions per place. [2023-08-26 21:31:20,906 INFO L82 GeneralOperation]: Start removeDead. Operand has 202 places, 210 transitions, 436 flow [2023-08-26 21:31:20,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 207 transitions, 426 flow [2023-08-26 21:31:20,914 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 21:31:20,926 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 207 transitions, 426 flow [2023-08-26 21:31:20,929 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 207 transitions, 426 flow [2023-08-26 21:31:20,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 207 transitions, 426 flow [2023-08-26 21:31:20,992 INFO L124 PetriNetUnfolderBase]: 17/257 cut-off events. [2023-08-26 21:31:20,993 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 21:31:20,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 257 events. 17/257 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 526 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 147. Up to 4 conditions per place. [2023-08-26 21:31:20,997 INFO L119 LiptonReduction]: Number of co-enabled transitions 4860 [2023-08-26 21:31:32,216 INFO L134 LiptonReduction]: Checked pairs total: 12035 [2023-08-26 21:31:32,216 INFO L136 LiptonReduction]: Total number of compositions: 253 [2023-08-26 21:31:32,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 21:31:32,233 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;@542af59b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 21:31:32,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-08-26 21:31:32,234 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 21:31:32,234 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 21:31:32,235 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 21:31:32,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 21:31:32,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 21:31:32,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-26 21:31:32,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 21:31:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash 771, now seen corresponding path program 1 times [2023-08-26 21:31:32,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 21:31:32,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142794475] [2023-08-26 21:31:32,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 21:31:32,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 21:31:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 21:31:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 21:31:32,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 21:31:32,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142794475] [2023-08-26 21:31:32,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142794475] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 21:31:32,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 21:31:32,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 21:31:32,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452930376] [2023-08-26 21:31:32,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 21:31:32,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 21:31:32,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 21:31:32,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 21:31:32,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 21:31:32,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 463 [2023-08-26 21:31:32,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 88 flow. Second operand has 2 states, 2 states have (on average 188.5) internal successors, (377), 2 states have internal predecessors, (377), 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) [2023-08-26 21:31:32,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 21:31:32,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 463 [2023-08-26 21:31:32,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 21:31:32,768 INFO L124 PetriNetUnfolderBase]: 851/1447 cut-off events. [2023-08-26 21:31:32,768 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-08-26 21:31:32,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2881 conditions, 1447 events. 851/1447 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7809 event pairs, 850 based on Foata normal form. 0/981 useless extension candidates. Maximal degree in co-relation 2760. Up to 1405 conditions per place. [2023-08-26 21:31:32,780 INFO L140 encePairwiseOnDemand]: 460/463 looper letters, 33 selfloop transitions, 0 changer transitions 0/35 dead transitions. [2023-08-26 21:31:32,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 35 transitions, 148 flow [2023-08-26 21:31:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 21:31:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 21:31:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 412 transitions. [2023-08-26 21:31:32,793 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4449244060475162 [2023-08-26 21:31:32,794 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 412 transitions. [2023-08-26 21:31:32,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 412 transitions. [2023-08-26 21:31:32,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 21:31:32,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 412 transitions. [2023-08-26 21:31:32,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 206.0) internal successors, (412), 2 states have internal predecessors, (412), 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) [2023-08-26 21:31:32,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 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) [2023-08-26 21:31:32,803 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 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) [2023-08-26 21:31:32,804 INFO L175 Difference]: Start difference. First operand has 42 places, 38 transitions, 88 flow. Second operand 2 states and 412 transitions. [2023-08-26 21:31:32,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 35 transitions, 148 flow [2023-08-26 21:31:32,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 21:31:32,810 INFO L231 Difference]: Finished difference. Result has 37 places, 35 transitions, 74 flow [2023-08-26 21:31:32,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=74, PETRI_PLACES=37, PETRI_TRANSITIONS=35} [2023-08-26 21:31:32,814 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -5 predicate places. [2023-08-26 21:31:32,814 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 35 transitions, 74 flow [2023-08-26 21:31:32,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 188.5) internal successors, (377), 2 states have internal predecessors, (377), 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) [2023-08-26 21:31:32,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 21:31:32,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-26 21:31:32,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 21:31:32,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-26 21:31:32,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 21:31:32,816 INFO L85 PathProgramCache]: Analyzing trace with hash 23947837, now seen corresponding path program 1 times [2023-08-26 21:31:32,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 21:31:32,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645435730] [2023-08-26 21:31:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 21:31:32,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 21:31:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 21:31:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 21:31:33,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 21:31:33,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645435730] [2023-08-26 21:31:33,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645435730] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 21:31:33,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 21:31:33,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 21:31:33,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026185262] [2023-08-26 21:31:33,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 21:31:33,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 21:31:33,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 21:31:33,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 21:31:33,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 21:31:33,238 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 463 [2023-08-26 21:31:33,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 35 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2023-08-26 21:31:33,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 21:31:33,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 463 [2023-08-26 21:31:33,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 21:31:33,570 INFO L124 PetriNetUnfolderBase]: 1605/2593 cut-off events. [2023-08-26 21:31:33,571 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-08-26 21:31:33,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5198 conditions, 2593 events. 1605/2593 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 13999 event pairs, 748 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 5195. Up to 1868 conditions per place. [2023-08-26 21:31:33,583 INFO L140 encePairwiseOnDemand]: 455/463 looper letters, 47 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2023-08-26 21:31:33,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 54 transitions, 220 flow [2023-08-26 21:31:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 21:31:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 21:31:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2023-08-26 21:31:33,589 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3743700503959683 [2023-08-26 21:31:33,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 520 transitions. [2023-08-26 21:31:33,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 520 transitions. [2023-08-26 21:31:33,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 21:31:33,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 520 transitions. [2023-08-26 21:31:33,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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) [2023-08-26 21:31:33,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2023-08-26 21:31:33,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2023-08-26 21:31:33,597 INFO L175 Difference]: Start difference. First operand has 37 places, 35 transitions, 74 flow. Second operand 3 states and 520 transitions. [2023-08-26 21:31:33,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 54 transitions, 220 flow [2023-08-26 21:31:33,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 54 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 21:31:33,598 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 117 flow [2023-08-26 21:31:33,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2023-08-26 21:31:33,599 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2023-08-26 21:31:33,600 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 117 flow [2023-08-26 21:31:33,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2023-08-26 21:31:33,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 21:31:33,601 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-26 21:31:33,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 21:31:33,604 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-26 21:31:33,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 21:31:33,606 INFO L85 PathProgramCache]: Analyzing trace with hash 736687427, now seen corresponding path program 1 times [2023-08-26 21:31:33,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 21:31:33,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810718153] [2023-08-26 21:31:33,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 21:31:33,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 21:31:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 21:31:33,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 21:31:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 21:31:33,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 21:31:33,705 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 21:31:33,705 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2023-08-26 21:31:33,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (12 of 14 remaining) [2023-08-26 21:31:33,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (11 of 14 remaining) [2023-08-26 21:31:33,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (10 of 14 remaining) [2023-08-26 21:31:33,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (9 of 14 remaining) [2023-08-26 21:31:33,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (8 of 14 remaining) [2023-08-26 21:31:33,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (7 of 14 remaining) [2023-08-26 21:31:33,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2023-08-26 21:31:33,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2023-08-26 21:31:33,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2023-08-26 21:31:33,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2023-08-26 21:31:33,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2023-08-26 21:31:33,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2023-08-26 21:31:33,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2023-08-26 21:31:33,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 21:31:33,714 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-26 21:31:33,719 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 21:31:33,719 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 21:31:33,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 09:31:33 BasicIcfg [2023-08-26 21:31:33,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 21:31:33,753 INFO L158 Benchmark]: Toolchain (without parser) took 14637.80ms. Allocated memory was 356.5MB in the beginning and 545.3MB in the end (delta: 188.7MB). Free memory was 328.7MB in the beginning and 479.5MB in the end (delta: -150.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.0GB. [2023-08-26 21:31:33,754 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 356.5MB. Free memory is still 333.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 21:31:33,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.83ms. Allocated memory is still 356.5MB. Free memory was 328.7MB in the beginning and 273.9MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. [2023-08-26 21:31:33,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.09ms. Allocated memory is still 356.5MB. Free memory was 273.9MB in the beginning and 270.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 21:31:33,757 INFO L158 Benchmark]: Boogie Preprocessor took 81.73ms. Allocated memory is still 356.5MB. Free memory was 270.4MB in the beginning and 267.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 21:31:33,757 INFO L158 Benchmark]: RCFGBuilder took 576.47ms. Allocated memory was 356.5MB in the beginning and 453.0MB in the end (delta: 96.5MB). Free memory was 267.0MB in the beginning and 424.5MB in the end (delta: -157.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-26 21:31:33,757 INFO L158 Benchmark]: TraceAbstraction took 13051.24ms. Allocated memory was 453.0MB in the beginning and 545.3MB in the end (delta: 92.3MB). Free memory was 423.5MB in the beginning and 479.5MB in the end (delta: -56.0MB). Peak memory consumption was 37.3MB. Max. memory is 16.0GB. [2023-08-26 21:31:33,762 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 356.5MB. Free memory is still 333.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 841.83ms. Allocated memory is still 356.5MB. Free memory was 328.7MB in the beginning and 273.9MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 81.09ms. Allocated memory is still 356.5MB. Free memory was 273.9MB in the beginning and 270.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 81.73ms. Allocated memory is still 356.5MB. Free memory was 270.4MB in the beginning and 267.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 576.47ms. Allocated memory was 356.5MB in the beginning and 453.0MB in the end (delta: 96.5MB). Free memory was 267.0MB in the beginning and 424.5MB in the end (delta: -157.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 13051.24ms. Allocated memory was 453.0MB in the beginning and 545.3MB in the end (delta: 92.3MB). Free memory was 423.5MB in the beginning and 479.5MB in the end (delta: -56.0MB). Peak memory consumption was 37.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 729]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [729] - GenericResultAtLocation [Line: 1709]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1709] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3s, 200 PlacesBefore, 42 PlacesAfterwards, 207 TransitionsBefore, 38 TransitionsAfterwards, 4860 CoEnabledTransitionPairs, 10 FixpointIterations, 124 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 25 ConcurrentYvCompositions, 11 ChoiceCompositions, 253 TotalNumberOfCompositions, 12035 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5554, independent: 5196, independent conditional: 0, independent unconditional: 5196, dependent: 358, dependent conditional: 0, dependent unconditional: 358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2784, independent: 2736, independent conditional: 0, independent unconditional: 2736, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5554, independent: 2460, independent conditional: 0, independent unconditional: 2460, dependent: 310, dependent conditional: 0, dependent unconditional: 310, unknown: 2784, unknown conditional: 0, unknown unconditional: 2784] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1712]: integer overflow possible integer overflow possible We found a FailurePath: [L1694] 0 pthread_t t1,t2; [L1706] 0 struct device *my_dev; [L1746] CALL, EXPR 0 my_drv_init() [L1740] 0 return 0; [L1746] RET, EXPR 0 my_drv_init() [L1746] 0 int ret = my_drv_init(); [L1747] COND TRUE 0 ret==0 [L1748] 0 int probe_ret; [L1749] 0 struct my_data data; [L1750] CALL 0 my_drv_probe(&data) [L1718] 0 data->shared.a = 0 [L1719] 0 data->shared.b = 0 [L1720] EXPR 0 data->shared.a [L1720] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1720] RET 0 ldv_assert(data->shared.a==0) [L1721] EXPR 0 data->shared.b [L1721] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1721] RET 0 ldv_assert(data->shared.b==0) [L1722] 0 int res = __VERIFIER_nondet_int(); [L1723] COND FALSE 0 !(\read(res)) [L1725] 0 my_dev = &data->dev [L1726] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1711] 1 data->shared.a = 1 VAL [__mptr={1155:6}, arg={0:0}, arg={0:0}, data={1155:-18}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1712] EXPR 1 data->shared.b [L1712] 1 data->shared.b + 1 VAL [__mptr={1155:6}, arg={0:0}, arg={0:0}, data->shared.b=-2147483650, data={1155:-18}, my_dev={5:24}, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1727]: 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: 1726]: 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: 1712]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 217 locations, 14 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: 12.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=2, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-26 21:31:33,785 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...