/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-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 21:30:57,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 21:30:58,010 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 21:30:58,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 21:30:58,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 21:30:58,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 21:30:58,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 21:30:58,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 21:30:58,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 21:30:58,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 21:30:58,029 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 21:30:58,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 21:30:58,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 21:30:58,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 21:30:58,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 21:30:58,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 21:30:58,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 21:30:58,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 21:30:58,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 21:30:58,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 21:30:58,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 21:30:58,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 21:30:58,045 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 21:30:58,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 21:30:58,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 21:30:58,046 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 21:30:58,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 21:30:58,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 21:30:58,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 21:30:58,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 21:30:58,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 21:30:58,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 21:30:58,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 21:30:58,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 21:30:58,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 21:30:58,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-26 21:30:58,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 21:30:58,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 21:30:58,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 21:30:58,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 21:30:58,350 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 21:30:58,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-26 21:30:59,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 21:30:59,672 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 21:30:59,672 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-26 21:30:59,686 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e078f01/9dd41ad9a1be49ebb52d83bbbfc137e7/FLAGfbf227f2f [2023-08-26 21:30:59,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e078f01/9dd41ad9a1be49ebb52d83bbbfc137e7 [2023-08-26 21:30:59,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 21:30:59,703 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 21:30:59,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 21:30:59,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 21:30:59,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 21:30:59,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:30:59" (1/1) ... [2023-08-26 21:30:59,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44eb1cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:30:59, skipping insertion in model container [2023-08-26 21:30:59,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:30:59" (1/1) ... [2023-08-26 21:30:59,743 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 21:31:00,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 21:31:00,280 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 21:31:00,299 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 21:31:00,300 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 21:31:00,306 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-26 21:31:00,322 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-26 21:31:00,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 21:31:00,441 INFO L206 MainTranslator]: Completed translation [2023-08-26 21:31:00,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00 WrapperNode [2023-08-26 21:31:00,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 21:31:00,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 21:31:00,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 21:31:00,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 21:31:00,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,510 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2023-08-26 21:31:00,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 21:31:00,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 21:31:00,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 21:31:00,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 21:31:00,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 21:31:00,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 21:31:00,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 21:31:00,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 21:31:00,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (1/1) ... [2023-08-26 21:31:00,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 21:31:00,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 21:31:00,615 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 21:31:00,626 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 21:31:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 21:31:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 21:31:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 21:31:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 21:31:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 21:31:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 21:31:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 21:31:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-26 21:31:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-26 21:31:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 21:31:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 21:31:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 21:31:00,652 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 21:31:00,838 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 21:31:00,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 21:31:01,013 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 21:31:01,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 21:31:01,022 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 21:31:01,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:31:01 BoogieIcfgContainer [2023-08-26 21:31:01,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 21:31:01,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 21:31:01,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 21:31:01,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 21:31:01,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 09:30:59" (1/3) ... [2023-08-26 21:31:01,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659610d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:31:01, skipping insertion in model container [2023-08-26 21:31:01,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:00" (2/3) ... [2023-08-26 21:31:01,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659610d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:31:01, skipping insertion in model container [2023-08-26 21:31:01,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:31:01" (3/3) ... [2023-08-26 21:31:01,029 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-08-26 21:31:01,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 21:31:01,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-26 21:31:01,041 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 21:31:01,084 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 21:31:01,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 211 transitions, 438 flow [2023-08-26 21:31:01,162 INFO L124 PetriNetUnfolderBase]: 18/259 cut-off events. [2023-08-26 21:31:01,163 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 21:31:01,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 259 events. 18/259 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 527 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 148. Up to 4 conditions per place. [2023-08-26 21:31:01,167 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 211 transitions, 438 flow [2023-08-26 21:31:01,171 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 201 places, 208 transitions, 428 flow [2023-08-26 21:31:01,173 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 21:31:01,179 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 208 transitions, 428 flow [2023-08-26 21:31:01,181 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 208 transitions, 428 flow [2023-08-26 21:31:01,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 208 transitions, 428 flow [2023-08-26 21:31:01,227 INFO L124 PetriNetUnfolderBase]: 17/258 cut-off events. [2023-08-26 21:31:01,227 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 21:31:01,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 258 events. 17/258 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 544 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 147. Up to 4 conditions per place. [2023-08-26 21:31:01,230 INFO L119 LiptonReduction]: Number of co-enabled transitions 5168 [2023-08-26 21:31:11,938 INFO L134 LiptonReduction]: Checked pairs total: 11013 [2023-08-26 21:31:11,938 INFO L136 LiptonReduction]: Total number of compositions: 245 [2023-08-26 21:31:11,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 21:31:11,953 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;@393074eb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 21:31:11,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-08-26 21:31:11,954 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 21:31:11,954 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 21:31:11,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 21:31:11,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 21:31:11,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 21:31:11,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-26 21:31:11,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 21:31:11,958 INFO L85 PathProgramCache]: Analyzing trace with hash 767, now seen corresponding path program 1 times [2023-08-26 21:31:11,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 21:31:11,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605013245] [2023-08-26 21:31:11,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 21:31:11,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 21:31:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 21:31:12,084 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 21:31:12,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 21:31:12,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605013245] [2023-08-26 21:31:12,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605013245] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 21:31:12,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 21:31:12,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 21:31:12,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161009057] [2023-08-26 21:31:12,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 21:31:12,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 21:31:12,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 21:31:12,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 21:31:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 21:31:12,113 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 456 [2023-08-26 21:31:12,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 88 flow. Second operand has 2 states, 2 states have (on average 189.5) internal successors, (379), 2 states have internal predecessors, (379), 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 21:31:12,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 21:31:12,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 456 [2023-08-26 21:31:12,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 21:31:12,301 INFO L124 PetriNetUnfolderBase]: 851/1447 cut-off events. [2023-08-26 21:31:12,301 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-08-26 21:31:12,305 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 7861 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 21:31:12,312 INFO L140 encePairwiseOnDemand]: 453/456 looper letters, 33 selfloop transitions, 0 changer transitions 0/35 dead transitions. [2023-08-26 21:31:12,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 35 transitions, 148 flow [2023-08-26 21:31:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 21:31:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 21:31:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 414 transitions. [2023-08-26 21:31:12,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45394736842105265 [2023-08-26 21:31:12,329 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 414 transitions. [2023-08-26 21:31:12,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 414 transitions. [2023-08-26 21:31:12,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 21:31:12,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 414 transitions. [2023-08-26 21:31:12,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 207.0) internal successors, (414), 2 states have internal predecessors, (414), 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 21:31:12,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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 21:31:12,340 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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 21:31:12,341 INFO L175 Difference]: Start difference. First operand has 42 places, 38 transitions, 88 flow. Second operand 2 states and 414 transitions. [2023-08-26 21:31:12,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 35 transitions, 148 flow [2023-08-26 21:31:12,346 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 21:31:12,348 INFO L231 Difference]: Finished difference. Result has 37 places, 35 transitions, 74 flow [2023-08-26 21:31:12,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, 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 21:31:12,353 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -5 predicate places. [2023-08-26 21:31:12,353 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 35 transitions, 74 flow [2023-08-26 21:31:12,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 189.5) internal successors, (379), 2 states have internal predecessors, (379), 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 21:31:12,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 21:31:12,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-26 21:31:12,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 21:31:12,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-26 21:31:12,355 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 21:31:12,355 INFO L85 PathProgramCache]: Analyzing trace with hash 23773870, now seen corresponding path program 1 times [2023-08-26 21:31:12,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 21:31:12,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679530124] [2023-08-26 21:31:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 21:31:12,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 21:31:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 21:31:12,674 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 21:31:12,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 21:31:12,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679530124] [2023-08-26 21:31:12,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679530124] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 21:31:12,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 21:31:12,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 21:31:12,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395912998] [2023-08-26 21:31:12,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 21:31:12,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 21:31:12,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 21:31:12,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 21:31:12,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 21:31:12,677 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 456 [2023-08-26 21:31:12,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 35 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 21:31:12,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 21:31:12,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 456 [2023-08-26 21:31:12,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 21:31:12,935 INFO L124 PetriNetUnfolderBase]: 1605/2593 cut-off events. [2023-08-26 21:31:12,935 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-08-26 21:31:12,937 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 14019 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 21:31:12,946 INFO L140 encePairwiseOnDemand]: 448/456 looper letters, 47 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2023-08-26 21:31:12,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 54 transitions, 220 flow [2023-08-26 21:31:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 21:31:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 21:31:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2023-08-26 21:31:12,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3823099415204678 [2023-08-26 21:31:12,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2023-08-26 21:31:12,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2023-08-26 21:31:12,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 21:31:12,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2023-08-26 21:31:12,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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 21:31:12,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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 21:31:12,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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 21:31:12,954 INFO L175 Difference]: Start difference. First operand has 37 places, 35 transitions, 74 flow. Second operand 3 states and 523 transitions. [2023-08-26 21:31:12,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 54 transitions, 220 flow [2023-08-26 21:31:12,955 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 21:31:12,956 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 117 flow [2023-08-26 21:31:12,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, 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 21:31:12,957 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2023-08-26 21:31:12,957 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 117 flow [2023-08-26 21:31:12,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 21:31:12,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 21:31:12,958 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-26 21:31:12,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 21:31:12,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-26 21:31:12,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 21:31:12,961 INFO L85 PathProgramCache]: Analyzing trace with hash 731233023, now seen corresponding path program 1 times [2023-08-26 21:31:12,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 21:31:12,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899641669] [2023-08-26 21:31:12,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 21:31:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 21:31:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 21:31:12,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 21:31:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 21:31:13,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 21:31:13,040 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 21:31:13,040 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2023-08-26 21:31:13,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (12 of 14 remaining) [2023-08-26 21:31:13,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (11 of 14 remaining) [2023-08-26 21:31:13,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (10 of 14 remaining) [2023-08-26 21:31:13,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (9 of 14 remaining) [2023-08-26 21:31:13,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (8 of 14 remaining) [2023-08-26 21:31:13,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (7 of 14 remaining) [2023-08-26 21:31:13,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2023-08-26 21:31:13,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2023-08-26 21:31:13,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2023-08-26 21:31:13,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2023-08-26 21:31:13,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2023-08-26 21:31:13,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2023-08-26 21:31:13,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2023-08-26 21:31:13,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 21:31:13,048 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-26 21:31:13,052 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 21:31:13,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 21:31:13,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 09:31:13 BasicIcfg [2023-08-26 21:31:13,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 21:31:13,080 INFO L158 Benchmark]: Toolchain (without parser) took 13375.36ms. Allocated memory was 429.9MB in the beginning and 530.6MB in the end (delta: 100.7MB). Free memory was 382.2MB in the beginning and 392.0MB in the end (delta: -9.8MB). Peak memory consumption was 91.9MB. Max. memory is 16.0GB. [2023-08-26 21:31:13,080 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 429.9MB. Free memory is still 407.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 21:31:13,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.13ms. Allocated memory is still 429.9MB. Free memory was 382.2MB in the beginning and 325.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. [2023-08-26 21:31:13,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.95ms. Allocated memory is still 429.9MB. Free memory was 325.6MB in the beginning and 322.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 21:31:13,083 INFO L158 Benchmark]: Boogie Preprocessor took 54.48ms. Allocated memory is still 429.9MB. Free memory was 322.4MB in the beginning and 319.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 21:31:13,083 INFO L158 Benchmark]: RCFGBuilder took 457.93ms. Allocated memory is still 429.9MB. Free memory was 319.3MB in the beginning and 293.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-26 21:31:13,083 INFO L158 Benchmark]: TraceAbstraction took 12052.76ms. Allocated memory was 429.9MB in the beginning and 530.6MB in the end (delta: 100.7MB). Free memory was 292.0MB in the beginning and 392.0MB in the end (delta: -100.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.0GB. [2023-08-26 21:31:13,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 429.9MB. Free memory is still 407.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 741.13ms. Allocated memory is still 429.9MB. Free memory was 382.2MB in the beginning and 325.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 64.95ms. Allocated memory is still 429.9MB. Free memory was 325.6MB in the beginning and 322.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 54.48ms. Allocated memory is still 429.9MB. Free memory was 322.4MB in the beginning and 319.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 457.93ms. Allocated memory is still 429.9MB. Free memory was 319.3MB in the beginning and 293.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 12052.76ms. Allocated memory was 429.9MB in the beginning and 530.6MB in the end (delta: 100.7MB). Free memory was 292.0MB in the beginning and 392.0MB in the end (delta: -100.0MB). Peak memory consumption was 1.7MB. 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: 10.8s, 201 PlacesBefore, 42 PlacesAfterwards, 208 TransitionsBefore, 38 TransitionsAfterwards, 5168 CoEnabledTransitionPairs, 8 FixpointIterations, 114 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 24 ConcurrentYvCompositions, 11 ChoiceCompositions, 245 TotalNumberOfCompositions, 11013 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5506, independent: 5219, independent conditional: 0, independent unconditional: 5219, dependent: 287, dependent conditional: 0, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2975, independent: 2926, independent conditional: 0, independent unconditional: 2926, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5506, independent: 2293, independent conditional: 0, independent unconditional: 2293, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 2975, unknown conditional: 0, unknown unconditional: 2975] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 91, Positive conditional cache size: 0, Positive unconditional cache size: 91, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, 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; [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) [L1717] 0 struct device *d = &data->dev; [L1719] 0 data->shared.a = 0 [L1720] 0 data->shared.b = 0 [L1721] EXPR 0 data->shared.a [L1721] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1721] RET 0 ldv_assert(data->shared.a==0) [L1722] EXPR 0 data->shared.b [L1722] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1722] RET 0 ldv_assert(data->shared.b==0) [L1723] 0 int res = __VERIFIER_nondet_int(); [L1724] COND FALSE 0 !(\read(res)) [L1726] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1711] 1 data->shared.a = 1 VAL [__mptr={2147483655:-5}, arg={5:24}, arg={5:24}, data={2147483655:-29}, dev={5:24}, t1={3:0}, t2={4:0}] [L1712] EXPR 1 data->shared.b [L1712] 1 data->shared.b + 1 VAL [__mptr={2147483655:-5}, arg={5:24}, arg={5:24}, data->shared.b=2147483647, data={2147483655:-29}, 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: 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: 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: 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, 219 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: 11.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s 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, 0.3s 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 21:31:13,106 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...