/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 10:20:52,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 10:20:52,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-27 10:20:52,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 10:20:52,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 10:20:52,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 10:20:52,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 10:20:52,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 10:20:52,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 10:20:52,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 10:20:52,627 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 10:20:52,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 10:20:52,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 10:20:52,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 10:20:52,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 10:20:52,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 10:20:52,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 10:20:52,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 10:20:52,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 10:20:52,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 10:20:52,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 10:20:52,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 10:20:52,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 10:20:52,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 10:20:52,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 10:20:52,632 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 10:20:52,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 10:20:52,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 10:20:52,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 10:20:52,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 10:20:52,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 10:20:52,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 10:20:52,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 10:20:52,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 10:20:52,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 10:20:52,635 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 10:20:52,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 10:20:52,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 10:20:52,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 10:20:52,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 10:20:52,939 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 10:20:52,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-27 10:20:54,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 10:20:54,370 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 10:20:54,370 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-27 10:20:54,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c6bb4a9/5ad0fde4c44144a6b6c58dca96dc20fb/FLAG101504b8d [2023-08-27 10:20:54,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c6bb4a9/5ad0fde4c44144a6b6c58dca96dc20fb [2023-08-27 10:20:54,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 10:20:54,404 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 10:20:54,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 10:20:54,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 10:20:54,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 10:20:54,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:20:54" (1/1) ... [2023-08-27 10:20:54,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed9d40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:54, skipping insertion in model container [2023-08-27 10:20:54,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:20:54" (1/1) ... [2023-08-27 10:20:54,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 10:20:55,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 10:20:55,154 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 10:20:55,177 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-27 10:20:55,179 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-27 10:20:55,184 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-27 10:20:55,208 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-27 10:20:55,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 10:20:55,331 INFO L206 MainTranslator]: Completed translation [2023-08-27 10:20:55,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55 WrapperNode [2023-08-27 10:20:55,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 10:20:55,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 10:20:55,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 10:20:55,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 10:20:55,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,412 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2023-08-27 10:20:55,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 10:20:55,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 10:20:55,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 10:20:55,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 10:20:55,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 10:20:55,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 10:20:55,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 10:20:55,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 10:20:55,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (1/1) ... [2023-08-27 10:20:55,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 10:20:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 10:20:55,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-27 10:20:55,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-27 10:20:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 10:20:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 10:20:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-27 10:20:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 10:20:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-27 10:20:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 10:20:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 10:20:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-27 10:20:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-27 10:20:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 10:20:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 10:20:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 10:20:55,568 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 10:20:55,841 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 10:20:55,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 10:20:56,037 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 10:20:56,045 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 10:20:56,045 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 10:20:56,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:20:56 BoogieIcfgContainer [2023-08-27 10:20:56,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 10:20:56,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 10:20:56,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 10:20:56,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 10:20:56,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 10:20:54" (1/3) ... [2023-08-27 10:20:56,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669eeec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:20:56, skipping insertion in model container [2023-08-27 10:20:56,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:20:55" (2/3) ... [2023-08-27 10:20:56,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669eeec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:20:56, skipping insertion in model container [2023-08-27 10:20:56,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:20:56" (3/3) ... [2023-08-27 10:20:56,053 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-08-27 10:20:56,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 10:20:56,069 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-27 10:20:56,069 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 10:20:56,132 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-27 10:20:56,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 211 transitions, 438 flow [2023-08-27 10:20:56,235 INFO L124 PetriNetUnfolderBase]: 18/259 cut-off events. [2023-08-27 10:20:56,235 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-27 10:20:56,246 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. [2023-08-27 10:20:56,246 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 211 transitions, 438 flow [2023-08-27 10:20:56,255 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 201 places, 208 transitions, 428 flow [2023-08-27 10:20:56,258 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 10:20:56,268 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 208 transitions, 428 flow [2023-08-27 10:20:56,275 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 208 transitions, 428 flow [2023-08-27 10:20:56,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 208 transitions, 428 flow [2023-08-27 10:20:56,352 INFO L124 PetriNetUnfolderBase]: 17/258 cut-off events. [2023-08-27 10:20:56,352 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-27 10:20:56,354 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. [2023-08-27 10:20:56,360 INFO L119 LiptonReduction]: Number of co-enabled transitions 5168 [2023-08-27 10:21:08,291 INFO L134 LiptonReduction]: Checked pairs total: 11013 [2023-08-27 10:21:08,291 INFO L136 LiptonReduction]: Total number of compositions: 245 [2023-08-27 10:21:08,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 10:21:08,308 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;@577b2378, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 10:21:08,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-08-27 10:21:08,309 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 10:21:08,309 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-27 10:21:08,309 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 10:21:08,309 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 10:21:08,309 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-27 10:21:08,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-27 10:21:08,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 10:21:08,314 INFO L85 PathProgramCache]: Analyzing trace with hash 767, now seen corresponding path program 1 times [2023-08-27 10:21:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 10:21:08,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801402724] [2023-08-27 10:21:08,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 10:21:08,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 10:21:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 10:21:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 10:21:08,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 10:21:08,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801402724] [2023-08-27 10:21:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801402724] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 10:21:08,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 10:21:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-27 10:21:08,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224461511] [2023-08-27 10:21:08,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 10:21:08,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-27 10:21:08,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 10:21:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-27 10:21:08,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-27 10:21:08,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 456 [2023-08-27 10:21:08,553 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) [2023-08-27 10:21:08,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 10:21:08,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 456 [2023-08-27 10:21:08,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 10:21:08,762 INFO L124 PetriNetUnfolderBase]: 851/1447 cut-off events. [2023-08-27 10:21:08,763 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-08-27 10:21:08,768 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. [2023-08-27 10:21:08,776 INFO L140 encePairwiseOnDemand]: 453/456 looper letters, 33 selfloop transitions, 0 changer transitions 0/35 dead transitions. [2023-08-27 10:21:08,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 35 transitions, 148 flow [2023-08-27 10:21:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-27 10:21:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-27 10:21:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 414 transitions. [2023-08-27 10:21:08,795 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45394736842105265 [2023-08-27 10:21:08,795 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 414 transitions. [2023-08-27 10:21:08,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 414 transitions. [2023-08-27 10:21:08,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 10:21:08,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 414 transitions. [2023-08-27 10:21:08,804 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) [2023-08-27 10:21:08,808 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) [2023-08-27 10:21:08,809 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) [2023-08-27 10:21:08,810 INFO L175 Difference]: Start difference. First operand has 42 places, 38 transitions, 88 flow. Second operand 2 states and 414 transitions. [2023-08-27 10:21:08,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 35 transitions, 148 flow [2023-08-27 10:21:08,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-27 10:21:08,816 INFO L231 Difference]: Finished difference. Result has 37 places, 35 transitions, 74 flow [2023-08-27 10:21:08,818 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} [2023-08-27 10:21:08,822 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -5 predicate places. [2023-08-27 10:21:08,822 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 35 transitions, 74 flow [2023-08-27 10:21:08,823 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) [2023-08-27 10:21:08,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 10:21:08,823 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 10:21:08,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 10:21:08,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-27 10:21:08,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 10:21:08,825 INFO L85 PathProgramCache]: Analyzing trace with hash 23773870, now seen corresponding path program 1 times [2023-08-27 10:21:08,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 10:21:08,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632231007] [2023-08-27 10:21:08,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 10:21:08,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 10:21:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 10:21:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 10:21:09,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 10:21:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632231007] [2023-08-27 10:21:09,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632231007] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 10:21:09,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 10:21:09,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 10:21:09,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457390997] [2023-08-27 10:21:09,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 10:21:09,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 10:21:09,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 10:21:09,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 10:21:09,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 10:21:09,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 456 [2023-08-27 10:21:09,208 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) [2023-08-27 10:21:09,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 10:21:09,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 456 [2023-08-27 10:21:09,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 10:21:09,489 INFO L124 PetriNetUnfolderBase]: 1605/2593 cut-off events. [2023-08-27 10:21:09,490 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-08-27 10:21:09,492 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. [2023-08-27 10:21:09,502 INFO L140 encePairwiseOnDemand]: 448/456 looper letters, 47 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2023-08-27 10:21:09,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 54 transitions, 220 flow [2023-08-27 10:21:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 10:21:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 10:21:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2023-08-27 10:21:09,505 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3823099415204678 [2023-08-27 10:21:09,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2023-08-27 10:21:09,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2023-08-27 10:21:09,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 10:21:09,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2023-08-27 10:21:09,507 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) [2023-08-27 10:21:09,510 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) [2023-08-27 10:21:09,511 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) [2023-08-27 10:21:09,511 INFO L175 Difference]: Start difference. First operand has 37 places, 35 transitions, 74 flow. Second operand 3 states and 523 transitions. [2023-08-27 10:21:09,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 54 transitions, 220 flow [2023-08-27 10:21:09,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 54 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-27 10:21:09,513 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 117 flow [2023-08-27 10:21:09,514 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} [2023-08-27 10:21:09,514 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2023-08-27 10:21:09,514 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 117 flow [2023-08-27 10:21:09,515 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) [2023-08-27 10:21:09,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 10:21:09,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 10:21:09,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 10:21:09,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-27 10:21:09,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 10:21:09,522 INFO L85 PathProgramCache]: Analyzing trace with hash 731233023, now seen corresponding path program 1 times [2023-08-27 10:21:09,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 10:21:09,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911856094] [2023-08-27 10:21:09,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 10:21:09,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 10:21:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 10:21:09,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 10:21:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 10:21:09,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 10:21:09,620 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 10:21:09,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2023-08-27 10:21:09,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (12 of 14 remaining) [2023-08-27 10:21:09,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (11 of 14 remaining) [2023-08-27 10:21:09,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (10 of 14 remaining) [2023-08-27 10:21:09,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (9 of 14 remaining) [2023-08-27 10:21:09,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (8 of 14 remaining) [2023-08-27 10:21:09,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (7 of 14 remaining) [2023-08-27 10:21:09,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2023-08-27 10:21:09,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2023-08-27 10:21:09,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2023-08-27 10:21:09,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2023-08-27 10:21:09,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2023-08-27 10:21:09,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2023-08-27 10:21:09,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2023-08-27 10:21:09,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-27 10:21:09,630 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-27 10:21:09,635 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 10:21:09,635 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 10:21:09,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 10:21:09 BasicIcfg [2023-08-27 10:21:09,666 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 10:21:09,669 INFO L158 Benchmark]: Toolchain (without parser) took 15263.19ms. Allocated memory was 369.1MB in the beginning and 524.3MB in the end (delta: 155.2MB). Free memory was 325.2MB in the beginning and 265.9MB in the end (delta: 59.3MB). Peak memory consumption was 216.6MB. Max. memory is 16.0GB. [2023-08-27 10:21:09,669 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 369.1MB. Free memory was 347.1MB in the beginning and 347.0MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 10:21:09,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 929.43ms. Allocated memory is still 369.1MB. Free memory was 325.2MB in the beginning and 270.7MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. [2023-08-27 10:21:09,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.39ms. Allocated memory is still 369.1MB. Free memory was 269.6MB in the beginning and 266.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-27 10:21:09,672 INFO L158 Benchmark]: Boogie Preprocessor took 63.70ms. Allocated memory is still 369.1MB. Free memory was 266.5MB in the beginning and 263.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 10:21:09,672 INFO L158 Benchmark]: RCFGBuilder took 568.77ms. Allocated memory is still 369.1MB. Free memory was 263.3MB in the beginning and 238.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-27 10:21:09,673 INFO L158 Benchmark]: TraceAbstraction took 13617.67ms. Allocated memory was 369.1MB in the beginning and 524.3MB in the end (delta: 155.2MB). Free memory was 237.1MB in the beginning and 265.9MB in the end (delta: -28.7MB). Peak memory consumption was 128.5MB. Max. memory is 16.0GB. [2023-08-27 10:21:09,678 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 369.1MB. Free memory was 347.1MB in the beginning and 347.0MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 929.43ms. Allocated memory is still 369.1MB. Free memory was 325.2MB in the beginning and 270.7MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 78.39ms. Allocated memory is still 369.1MB. Free memory was 269.6MB in the beginning and 266.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 63.70ms. Allocated memory is still 369.1MB. Free memory was 266.5MB in the beginning and 263.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 568.77ms. Allocated memory is still 369.1MB. Free memory was 263.3MB in the beginning and 238.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 13617.67ms. Allocated memory was 369.1MB in the beginning and 524.3MB in the end (delta: 155.2MB). Free memory was 237.1MB in the beginning and 265.9MB in the end (delta: -28.7MB). Peak memory consumption was 128.5MB. 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: 12.0s, 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: 13.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.1s, 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, 0.3s 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! [2023-08-27 10:21:09,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...