/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:28:10,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:28:10,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 02:28:10,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:28:10,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:28:10,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:28:10,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:28:10,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:28:10,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:28:10,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:28:10,202 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:28:10,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:28:10,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:28:10,204 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:28:10,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:28:10,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:28:10,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:28:10,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:28:10,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:28:10,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:28:10,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:28:10,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:28:10,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:28:10,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:28:10,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:28:10,207 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:28:10,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:28:10,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:28:10,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:28:10,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:28:10,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:28:10,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:28:10,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:28:10,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:28:10,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:28:10,210 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:28:10,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:28:10,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:28:10,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:28:10,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:28:10,538 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:28:10,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-25 02:28:11,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:28:11,984 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:28:11,987 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-25 02:28:12,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667d1566c/82ae2a9609e14c189c43eadaab22db25/FLAG7ff02fd02 [2023-08-25 02:28:12,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667d1566c/82ae2a9609e14c189c43eadaab22db25 [2023-08-25 02:28:12,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:28:12,031 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:28:12,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:28:12,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:28:12,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:28:12,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:28:12" (1/1) ... [2023-08-25 02:28:12,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5ebf64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:12, skipping insertion in model container [2023-08-25 02:28:12,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:28:12" (1/1) ... [2023-08-25 02:28:12,115 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:28:12,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:28:12,866 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:28:12,884 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:28:12,886 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:28:12,896 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-25 02:28:12,916 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-25 02:28:12,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:28:13,058 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:28:13,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13 WrapperNode [2023-08-25 02:28:13,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:28:13,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:28:13,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:28:13,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:28:13,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,140 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 227 [2023-08-25 02:28:13,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:28:13,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:28:13,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:28:13,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:28:13,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:28:13,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:28:13,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:28:13,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:28:13,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (1/1) ... [2023-08-25 02:28:13,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:28:13,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:28:13,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 02:28:13,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 02:28:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:28:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:28:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 02:28:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:28:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:28:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:28:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:28:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 02:28:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 02:28:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:28:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:28:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:28:13,284 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 02:28:13,559 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:28:13,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:28:13,990 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:28:14,002 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:28:14,003 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:28:14,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:28:14 BoogieIcfgContainer [2023-08-25 02:28:14,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:28:14,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:28:14,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:28:14,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:28:14,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:28:12" (1/3) ... [2023-08-25 02:28:14,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ff23c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:28:14, skipping insertion in model container [2023-08-25 02:28:14,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:13" (2/3) ... [2023-08-25 02:28:14,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ff23c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:28:14, skipping insertion in model container [2023-08-25 02:28:14,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:28:14" (3/3) ... [2023-08-25 02:28:14,013 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-08-25 02:28:14,028 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:28:14,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 02:28:14,029 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:28:14,137 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 02:28:14,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 337 transitions, 690 flow [2023-08-25 02:28:14,300 INFO L124 PetriNetUnfolderBase]: 18/419 cut-off events. [2023-08-25 02:28:14,301 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:28:14,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 419 events. 18/419 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 915 event pairs, 0 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 236. Up to 4 conditions per place. [2023-08-25 02:28:14,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 329 places, 337 transitions, 690 flow [2023-08-25 02:28:14,318 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 334 transitions, 680 flow [2023-08-25 02:28:14,321 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:28:14,328 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 334 transitions, 680 flow [2023-08-25 02:28:14,331 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 334 transitions, 680 flow [2023-08-25 02:28:14,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 334 transitions, 680 flow [2023-08-25 02:28:14,405 INFO L124 PetriNetUnfolderBase]: 17/418 cut-off events. [2023-08-25 02:28:14,405 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:28:14,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 418 events. 17/418 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 930 event pairs, 0 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 235. Up to 4 conditions per place. [2023-08-25 02:28:14,417 INFO L119 LiptonReduction]: Number of co-enabled transitions 17940 [2023-08-25 02:29:11,608 WARN L234 SmtUtils]: Spent 13.58s on a formula simplification. DAG size of input: 250 DAG size of output: 237 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:29:21,572 WARN L234 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 216 DAG size of output: 207 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:29:27,423 INFO L134 LiptonReduction]: Checked pairs total: 147283 [2023-08-25 02:29:27,424 INFO L136 LiptonReduction]: Total number of compositions: 335 [2023-08-25 02:29:27,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:29:27,447 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;@19e7b4d3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:29:27,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-08-25 02:29:27,451 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:29:27,451 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 02:29:27,451 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:29:27,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:27,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 02:29:27,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:29:27,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:27,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1085, now seen corresponding path program 1 times [2023-08-25 02:29:27,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:27,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589568910] [2023-08-25 02:29:27,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:27,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:29:27,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:27,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589568910] [2023-08-25 02:29:27,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589568910] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:27,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:27,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 02:29:27,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979937233] [2023-08-25 02:29:27,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:27,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:29:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:27,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:29:27,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:29:27,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 672 [2023-08-25 02:29:27,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 122 transitions, 256 flow. Second operand has 2 states, 2 states have (on average 315.5) internal successors, (631), 2 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:27,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:27,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 672 [2023-08-25 02:29:27,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:28,476 INFO L124 PetriNetUnfolderBase]: 1977/5217 cut-off events. [2023-08-25 02:29:28,477 INFO L125 PetriNetUnfolderBase]: For 34/66 co-relation queries the response was YES. [2023-08-25 02:29:28,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8424 conditions, 5217 events. 1977/5217 cut-off events. For 34/66 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 45073 event pairs, 1976 based on Foata normal form. 212/4716 useless extension candidates. Maximal degree in co-relation 8188. Up to 3174 conditions per place. [2023-08-25 02:29:28,521 INFO L140 encePairwiseOnDemand]: 660/672 looper letters, 41 selfloop transitions, 0 changer transitions 0/109 dead transitions. [2023-08-25 02:29:28,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 109 transitions, 312 flow [2023-08-25 02:29:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:29:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:29:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 683 transitions. [2023-08-25 02:29:28,537 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5081845238095238 [2023-08-25 02:29:28,537 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 683 transitions. [2023-08-25 02:29:28,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 683 transitions. [2023-08-25 02:29:28,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:28,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 683 transitions. [2023-08-25 02:29:28,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 341.5) internal successors, (683), 2 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:28,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 672.0) internal successors, (2016), 3 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:28,553 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 672.0) internal successors, (2016), 3 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:28,555 INFO L175 Difference]: Start difference. First operand has 124 places, 122 transitions, 256 flow. Second operand 2 states and 683 transitions. [2023-08-25 02:29:28,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 109 transitions, 312 flow [2023-08-25 02:29:28,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 109 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 02:29:28,565 INFO L231 Difference]: Finished difference. Result has 111 places, 109 transitions, 222 flow [2023-08-25 02:29:28,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=222, PETRI_PLACES=111, PETRI_TRANSITIONS=109} [2023-08-25 02:29:28,569 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -13 predicate places. [2023-08-25 02:29:28,569 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 109 transitions, 222 flow [2023-08-25 02:29:28,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 315.5) internal successors, (631), 2 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:28,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:28,570 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 02:29:28,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:29:28,571 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:29:28,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:28,571 INFO L85 PathProgramCache]: Analyzing trace with hash 34025622, now seen corresponding path program 1 times [2023-08-25 02:29:28,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:28,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848407505] [2023-08-25 02:29:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:28,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:29:28,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:28,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848407505] [2023-08-25 02:29:28,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848407505] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:28,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:28,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:29:28,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204200732] [2023-08-25 02:29:28,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:28,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:29:28,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:28,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:29:28,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:29:28,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 672 [2023-08-25 02:29:28,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 109 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:28,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:28,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 672 [2023-08-25 02:29:28,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:29,570 INFO L124 PetriNetUnfolderBase]: 1976/5481 cut-off events. [2023-08-25 02:29:29,570 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:29:29,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8676 conditions, 5481 events. 1976/5481 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 49251 event pairs, 808 based on Foata normal form. 0/4603 useless extension candidates. Maximal degree in co-relation 8673. Up to 3152 conditions per place. [2023-08-25 02:29:29,601 INFO L140 encePairwiseOnDemand]: 668/672 looper letters, 56 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2023-08-25 02:29:29,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 124 transitions, 369 flow [2023-08-25 02:29:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:29:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:29:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2023-08-25 02:29:29,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4851190476190476 [2023-08-25 02:29:29,607 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2023-08-25 02:29:29,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2023-08-25 02:29:29,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:29,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2023-08-25 02:29:29,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:29,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:29,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:29,618 INFO L175 Difference]: Start difference. First operand has 111 places, 109 transitions, 222 flow. Second operand 3 states and 978 transitions. [2023-08-25 02:29:29,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 124 transitions, 369 flow [2023-08-25 02:29:29,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 124 transitions, 369 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:29:29,622 INFO L231 Difference]: Finished difference. Result has 112 places, 109 transitions, 232 flow [2023-08-25 02:29:29,623 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=112, PETRI_TRANSITIONS=109} [2023-08-25 02:29:29,624 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -12 predicate places. [2023-08-25 02:29:29,624 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 109 transitions, 232 flow [2023-08-25 02:29:29,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:29,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:29,629 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:29,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:29:29,630 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:29:29,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:29,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1530610722, now seen corresponding path program 1 times [2023-08-25 02:29:29,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:29,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607933407] [2023-08-25 02:29:29,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:29,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:29:30,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:30,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607933407] [2023-08-25 02:29:30,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607933407] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:30,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:30,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:30,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368204726] [2023-08-25 02:29:30,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:30,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:30,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:30,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:30,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 672 [2023-08-25 02:29:30,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 109 transitions, 232 flow. Second operand has 6 states, 6 states have (on average 193.16666666666666) internal successors, (1159), 6 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:30,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:30,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 672 [2023-08-25 02:29:30,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:36,453 INFO L124 PetriNetUnfolderBase]: 53400/82365 cut-off events. [2023-08-25 02:29:36,453 INFO L125 PetriNetUnfolderBase]: For 2199/2199 co-relation queries the response was YES. [2023-08-25 02:29:36,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166430 conditions, 82365 events. 53400/82365 cut-off events. For 2199/2199 co-relation queries the response was YES. Maximal size of possible extension queue 989. Compared 573846 event pairs, 43146 based on Foata normal form. 0/69888 useless extension candidates. Maximal degree in co-relation 166426. Up to 75012 conditions per place. [2023-08-25 02:29:37,004 INFO L140 encePairwiseOnDemand]: 640/672 looper letters, 209 selfloop transitions, 103 changer transitions 0/314 dead transitions. [2023-08-25 02:29:37,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 314 transitions, 1306 flow [2023-08-25 02:29:37,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:29:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:29:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-08-25 02:29:37,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36086309523809523 [2023-08-25 02:29:37,011 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-08-25 02:29:37,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-08-25 02:29:37,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:37,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-08-25 02:29:37,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:37,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:37,024 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:37,024 INFO L175 Difference]: Start difference. First operand has 112 places, 109 transitions, 232 flow. Second operand 6 states and 1455 transitions. [2023-08-25 02:29:37,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 314 transitions, 1306 flow [2023-08-25 02:29:37,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 314 transitions, 1306 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:29:37,031 INFO L231 Difference]: Finished difference. Result has 122 places, 210 transitions, 906 flow [2023-08-25 02:29:37,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=906, PETRI_PLACES=122, PETRI_TRANSITIONS=210} [2023-08-25 02:29:37,032 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -2 predicate places. [2023-08-25 02:29:37,033 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 210 transitions, 906 flow [2023-08-25 02:29:37,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.16666666666666) internal successors, (1159), 6 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:37,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:37,034 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:37,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:29:37,034 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:29:37,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:37,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1130641954, now seen corresponding path program 1 times [2023-08-25 02:29:37,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:37,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791972373] [2023-08-25 02:29:37,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:37,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:29:37,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:37,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791972373] [2023-08-25 02:29:37,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791972373] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:37,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:37,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:29:37,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899855290] [2023-08-25 02:29:37,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:37,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:29:37,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:37,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:29:37,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:29:37,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 672 [2023-08-25 02:29:37,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 210 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 309.6666666666667) internal successors, (929), 3 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:37,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:37,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 672 [2023-08-25 02:29:37,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:38,832 INFO L124 PetriNetUnfolderBase]: 9587/21465 cut-off events. [2023-08-25 02:29:38,833 INFO L125 PetriNetUnfolderBase]: For 5519/6802 co-relation queries the response was YES. [2023-08-25 02:29:38,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46318 conditions, 21465 events. 9587/21465 cut-off events. For 5519/6802 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 200782 event pairs, 2915 based on Foata normal form. 200/19701 useless extension candidates. Maximal degree in co-relation 46309. Up to 8420 conditions per place. [2023-08-25 02:29:39,006 INFO L140 encePairwiseOnDemand]: 668/672 looper letters, 75 selfloop transitions, 3 changer transitions 2/238 dead transitions. [2023-08-25 02:29:39,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 238 transitions, 1140 flow [2023-08-25 02:29:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:29:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:29:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2023-08-25 02:29:39,010 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4935515873015873 [2023-08-25 02:29:39,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2023-08-25 02:29:39,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2023-08-25 02:29:39,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:39,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2023-08-25 02:29:39,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:39,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:39,018 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:39,018 INFO L175 Difference]: Start difference. First operand has 122 places, 210 transitions, 906 flow. Second operand 3 states and 995 transitions. [2023-08-25 02:29:39,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 238 transitions, 1140 flow [2023-08-25 02:29:39,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 238 transitions, 1140 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:29:39,146 INFO L231 Difference]: Finished difference. Result has 126 places, 211 transitions, 924 flow [2023-08-25 02:29:39,146 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=924, PETRI_PLACES=126, PETRI_TRANSITIONS=211} [2023-08-25 02:29:39,148 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 2 predicate places. [2023-08-25 02:29:39,148 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 211 transitions, 924 flow [2023-08-25 02:29:39,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.6666666666667) internal successors, (929), 3 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:39,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:39,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:39,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:29:39,149 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:29:39,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:39,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1367665016, now seen corresponding path program 1 times [2023-08-25 02:29:39,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:39,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403365513] [2023-08-25 02:29:39,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:39,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:29:39,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:39,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403365513] [2023-08-25 02:29:39,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403365513] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:39,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:39,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:39,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262865869] [2023-08-25 02:29:39,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:39,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:39,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:39,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:39,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:39,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 672 [2023-08-25 02:29:39,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 211 transitions, 924 flow. Second operand has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:39,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:39,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 672 [2023-08-25 02:29:39,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:48,058 INFO L124 PetriNetUnfolderBase]: 65326/100506 cut-off events. [2023-08-25 02:29:48,058 INFO L125 PetriNetUnfolderBase]: For 33950/34058 co-relation queries the response was YES. [2023-08-25 02:29:48,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256037 conditions, 100506 events. 65326/100506 cut-off events. For 33950/34058 co-relation queries the response was YES. Maximal size of possible extension queue 1189. Compared 716378 event pairs, 42004 based on Foata normal form. 0/88194 useless extension candidates. Maximal degree in co-relation 256026. Up to 88494 conditions per place. [2023-08-25 02:29:48,735 INFO L140 encePairwiseOnDemand]: 633/672 looper letters, 342 selfloop transitions, 228 changer transitions 0/571 dead transitions. [2023-08-25 02:29:48,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 571 transitions, 3388 flow [2023-08-25 02:29:48,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:29:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:29:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1560 transitions. [2023-08-25 02:29:48,740 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3869047619047619 [2023-08-25 02:29:48,741 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1560 transitions. [2023-08-25 02:29:48,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1560 transitions. [2023-08-25 02:29:48,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:48,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1560 transitions. [2023-08-25 02:29:48,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 260.0) internal successors, (1560), 6 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:48,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:48,752 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:48,752 INFO L175 Difference]: Start difference. First operand has 126 places, 211 transitions, 924 flow. Second operand 6 states and 1560 transitions. [2023-08-25 02:29:48,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 571 transitions, 3388 flow [2023-08-25 02:29:48,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 571 transitions, 3366 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 02:29:48,886 INFO L231 Difference]: Finished difference. Result has 134 places, 434 transitions, 2962 flow [2023-08-25 02:29:48,886 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2962, PETRI_PLACES=134, PETRI_TRANSITIONS=434} [2023-08-25 02:29:48,887 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 10 predicate places. [2023-08-25 02:29:48,887 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 434 transitions, 2962 flow [2023-08-25 02:29:48,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:48,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:48,888 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:48,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:29:48,888 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:29:48,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:48,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1954471893, now seen corresponding path program 1 times [2023-08-25 02:29:48,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:48,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946332078] [2023-08-25 02:29:48,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:48,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:29:49,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:49,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946332078] [2023-08-25 02:29:49,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946332078] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:49,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:49,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:49,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205459658] [2023-08-25 02:29:49,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:49,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:49,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:49,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:49,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 672 [2023-08-25 02:29:49,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 434 transitions, 2962 flow. Second operand has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:49,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:49,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 672 [2023-08-25 02:29:49,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:58,694 INFO L124 PetriNetUnfolderBase]: 68862/106610 cut-off events. [2023-08-25 02:29:58,694 INFO L125 PetriNetUnfolderBase]: For 93395/93476 co-relation queries the response was YES. [2023-08-25 02:29:59,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331152 conditions, 106610 events. 68862/106610 cut-off events. For 93395/93476 co-relation queries the response was YES. Maximal size of possible extension queue 1317. Compared 779771 event pairs, 41555 based on Foata normal form. 0/94340 useless extension candidates. Maximal degree in co-relation 331137. Up to 97008 conditions per place. [2023-08-25 02:29:59,374 INFO L140 encePairwiseOnDemand]: 649/672 looper letters, 608 selfloop transitions, 136 changer transitions 0/746 dead transitions. [2023-08-25 02:29:59,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 746 transitions, 6038 flow [2023-08-25 02:29:59,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:29:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:29:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1533 transitions. [2023-08-25 02:29:59,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3802083333333333 [2023-08-25 02:29:59,379 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1533 transitions. [2023-08-25 02:29:59,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1533 transitions. [2023-08-25 02:29:59,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:59,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1533 transitions. [2023-08-25 02:29:59,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 255.5) internal successors, (1533), 6 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:59,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:59,388 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:29:59,389 INFO L175 Difference]: Start difference. First operand has 134 places, 434 transitions, 2962 flow. Second operand 6 states and 1533 transitions. [2023-08-25 02:29:59,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 746 transitions, 6038 flow [2023-08-25 02:30:00,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 746 transitions, 6020 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-25 02:30:00,018 INFO L231 Difference]: Finished difference. Result has 144 places, 565 transitions, 4478 flow [2023-08-25 02:30:00,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=2944, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4478, PETRI_PLACES=144, PETRI_TRANSITIONS=565} [2023-08-25 02:30:00,019 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 20 predicate places. [2023-08-25 02:30:00,019 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 565 transitions, 4478 flow [2023-08-25 02:30:00,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:00,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:00,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:00,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:30:00,020 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:00,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:00,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1208349044, now seen corresponding path program 1 times [2023-08-25 02:30:00,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:00,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425707404] [2023-08-25 02:30:00,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:00,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:30:00,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:00,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425707404] [2023-08-25 02:30:00,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425707404] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:00,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:00,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:30:00,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402679631] [2023-08-25 02:30:00,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:00,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:30:00,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:00,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:30:00,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:30:00,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 672 [2023-08-25 02:30:00,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 565 transitions, 4478 flow. Second operand has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:00,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:00,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 672 [2023-08-25 02:30:00,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:12,415 INFO L124 PetriNetUnfolderBase]: 75023/116058 cut-off events. [2023-08-25 02:30:12,416 INFO L125 PetriNetUnfolderBase]: For 160684/160783 co-relation queries the response was YES. [2023-08-25 02:30:13,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395299 conditions, 116058 events. 75023/116058 cut-off events. For 160684/160783 co-relation queries the response was YES. Maximal size of possible extension queue 1465. Compared 859513 event pairs, 41806 based on Foata normal form. 0/103894 useless extension candidates. Maximal degree in co-relation 395279. Up to 107745 conditions per place. [2023-08-25 02:30:13,522 INFO L140 encePairwiseOnDemand]: 641/672 looper letters, 667 selfloop transitions, 196 changer transitions 0/865 dead transitions. [2023-08-25 02:30:13,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 865 transitions, 8008 flow [2023-08-25 02:30:13,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:30:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:30:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-08-25 02:30:13,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36086309523809523 [2023-08-25 02:30:13,527 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-08-25 02:30:13,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-08-25 02:30:13,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:13,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-08-25 02:30:13,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:13,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:13,536 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:13,537 INFO L175 Difference]: Start difference. First operand has 144 places, 565 transitions, 4478 flow. Second operand 6 states and 1455 transitions. [2023-08-25 02:30:13,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 865 transitions, 8008 flow [2023-08-25 02:30:14,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 865 transitions, 7990 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-25 02:30:14,369 INFO L231 Difference]: Finished difference. Result has 154 places, 756 transitions, 6908 flow [2023-08-25 02:30:14,370 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=4460, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6908, PETRI_PLACES=154, PETRI_TRANSITIONS=756} [2023-08-25 02:30:14,370 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 30 predicate places. [2023-08-25 02:30:14,370 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 756 transitions, 6908 flow [2023-08-25 02:30:14,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:14,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:14,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:14,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 02:30:14,371 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:14,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:14,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2034519738, now seen corresponding path program 1 times [2023-08-25 02:30:14,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:14,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874309889] [2023-08-25 02:30:14,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:14,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:30:14,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:14,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874309889] [2023-08-25 02:30:14,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874309889] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:14,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:14,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:30:14,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139234075] [2023-08-25 02:30:14,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:14,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:30:14,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:14,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:30:14,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:30:14,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 672 [2023-08-25 02:30:14,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 756 transitions, 6908 flow. Second operand has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:14,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:14,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 672 [2023-08-25 02:30:14,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:31,202 INFO L124 PetriNetUnfolderBase]: 89469/137117 cut-off events. [2023-08-25 02:30:31,202 INFO L125 PetriNetUnfolderBase]: For 265945/265945 co-relation queries the response was YES. [2023-08-25 02:30:31,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524264 conditions, 137117 events. 89469/137117 cut-off events. For 265945/265945 co-relation queries the response was YES. Maximal size of possible extension queue 1722. Compared 1021803 event pairs, 41001 based on Foata normal form. 0/124373 useless extension candidates. Maximal degree in co-relation 524239. Up to 123551 conditions per place. [2023-08-25 02:30:32,392 INFO L140 encePairwiseOnDemand]: 629/672 looper letters, 877 selfloop transitions, 602 changer transitions 0/1480 dead transitions. [2023-08-25 02:30:32,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 1480 transitions, 14742 flow [2023-08-25 02:30:32,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:30:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:30:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1588 transitions. [2023-08-25 02:30:32,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39384920634920634 [2023-08-25 02:30:32,397 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1588 transitions. [2023-08-25 02:30:32,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1588 transitions. [2023-08-25 02:30:32,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:32,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1588 transitions. [2023-08-25 02:30:32,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:32,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:32,406 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:32,406 INFO L175 Difference]: Start difference. First operand has 154 places, 756 transitions, 6908 flow. Second operand 6 states and 1588 transitions. [2023-08-25 02:30:32,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 1480 transitions, 14742 flow [2023-08-25 02:30:33,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1480 transitions, 13778 flow, removed 482 selfloop flow, removed 0 redundant places. [2023-08-25 02:30:33,980 INFO L231 Difference]: Finished difference. Result has 164 places, 1320 transitions, 13298 flow [2023-08-25 02:30:33,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=6278, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13298, PETRI_PLACES=164, PETRI_TRANSITIONS=1320} [2023-08-25 02:30:33,981 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 40 predicate places. [2023-08-25 02:30:33,982 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 1320 transitions, 13298 flow [2023-08-25 02:30:33,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:33,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:33,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:33,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 02:30:33,983 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:33,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:33,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1224408503, now seen corresponding path program 1 times [2023-08-25 02:30:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:33,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732689898] [2023-08-25 02:30:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:30:34,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:34,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732689898] [2023-08-25 02:30:34,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732689898] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:34,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:34,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:30:34,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350418448] [2023-08-25 02:30:34,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:34,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:30:34,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:34,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:30:34,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:30:34,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 672 [2023-08-25 02:30:34,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 1320 transitions, 13298 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:34,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:34,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 672 [2023-08-25 02:30:34,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:36,555 INFO L124 PetriNetUnfolderBase]: 8685/17354 cut-off events. [2023-08-25 02:30:36,556 INFO L125 PetriNetUnfolderBase]: For 41933/43149 co-relation queries the response was YES. [2023-08-25 02:30:36,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74047 conditions, 17354 events. 8685/17354 cut-off events. For 41933/43149 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 142449 event pairs, 1247 based on Foata normal form. 89/16739 useless extension candidates. Maximal degree in co-relation 74017. Up to 8085 conditions per place. [2023-08-25 02:30:36,667 INFO L140 encePairwiseOnDemand]: 670/672 looper letters, 108 selfloop transitions, 1 changer transitions 3/533 dead transitions. [2023-08-25 02:30:36,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 533 transitions, 5600 flow [2023-08-25 02:30:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:30:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:30:36,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2023-08-25 02:30:36,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49255952380952384 [2023-08-25 02:30:36,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 993 transitions. [2023-08-25 02:30:36,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 993 transitions. [2023-08-25 02:30:36,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:36,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 993 transitions. [2023-08-25 02:30:36,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:36,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:36,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:36,675 INFO L175 Difference]: Start difference. First operand has 164 places, 1320 transitions, 13298 flow. Second operand 3 states and 993 transitions. [2023-08-25 02:30:36,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 533 transitions, 5600 flow [2023-08-25 02:30:36,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 533 transitions, 4693 flow, removed 428 selfloop flow, removed 18 redundant places. [2023-08-25 02:30:36,888 INFO L231 Difference]: Finished difference. Result has 146 places, 495 transitions, 4284 flow [2023-08-25 02:30:36,888 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=4288, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4284, PETRI_PLACES=146, PETRI_TRANSITIONS=495} [2023-08-25 02:30:36,889 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 22 predicate places. [2023-08-25 02:30:36,889 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 495 transitions, 4284 flow [2023-08-25 02:30:36,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:36,889 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:36,889 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:36,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 02:30:36,889 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:36,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:36,890 INFO L85 PathProgramCache]: Analyzing trace with hash -705353048, now seen corresponding path program 1 times [2023-08-25 02:30:36,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:36,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333475592] [2023-08-25 02:30:36,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:36,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:30:36,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 02:30:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:30:37,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 02:30:37,006 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 02:30:37,007 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2023-08-25 02:30:37,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2023-08-25 02:30:37,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2023-08-25 02:30:37,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2023-08-25 02:30:37,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (28 of 33 remaining) [2023-08-25 02:30:37,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (26 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONASSERT (19 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2023-08-25 02:30:37,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONASSERT (16 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONASSERT (15 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONASSERT (13 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2023-08-25 02:30:37,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2023-08-25 02:30:37,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2023-08-25 02:30:37,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2023-08-25 02:30:37,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2023-08-25 02:30:37,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2023-08-25 02:30:37,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2023-08-25 02:30:37,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2023-08-25 02:30:37,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 02:30:37,014 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:37,019 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:30:37,019 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:30:37,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:30:37 BasicIcfg [2023-08-25 02:30:37,059 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:30:37,060 INFO L158 Benchmark]: Toolchain (without parser) took 145028.46ms. Allocated memory was 339.7MB in the beginning and 15.0GB in the end (delta: 14.6GB). Free memory was 313.1MB in the beginning and 10.6GB in the end (delta: -10.3GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. [2023-08-25 02:30:37,060 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 339.7MB. Free memory is still 316.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:30:37,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1025.12ms. Allocated memory is still 339.7MB. Free memory was 313.1MB in the beginning and 306.1MB in the end (delta: 7.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.0GB. [2023-08-25 02:30:37,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.17ms. Allocated memory is still 339.7MB. Free memory was 306.1MB in the beginning and 300.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:30:37,060 INFO L158 Benchmark]: Boogie Preprocessor took 46.38ms. Allocated memory is still 339.7MB. Free memory was 300.8MB in the beginning and 296.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:30:37,060 INFO L158 Benchmark]: RCFGBuilder took 816.91ms. Allocated memory is still 339.7MB. Free memory was 296.6MB in the beginning and 262.0MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-08-25 02:30:37,061 INFO L158 Benchmark]: TraceAbstraction took 143051.79ms. Allocated memory was 339.7MB in the beginning and 15.0GB in the end (delta: 14.6GB). Free memory was 261.0MB in the beginning and 10.6GB in the end (delta: -10.3GB). Peak memory consumption was 4.3GB. Max. memory is 16.0GB. [2023-08-25 02:30:37,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 339.7MB. Free memory is still 316.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 1025.12ms. Allocated memory is still 339.7MB. Free memory was 313.1MB in the beginning and 306.1MB in the end (delta: 7.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 81.17ms. Allocated memory is still 339.7MB. Free memory was 306.1MB in the beginning and 300.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 46.38ms. Allocated memory is still 339.7MB. Free memory was 300.8MB in the beginning and 296.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 816.91ms. Allocated memory is still 339.7MB. Free memory was 296.6MB in the beginning and 262.0MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 143051.79ms. Allocated memory was 339.7MB in the beginning and 15.0GB in the end (delta: 14.6GB). Free memory was 261.0MB in the beginning and 10.6GB in the end (delta: -10.3GB). Peak memory consumption was 4.3GB. 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: 73.1s, 327 PlacesBefore, 124 PlacesAfterwards, 334 TransitionsBefore, 122 TransitionsAfterwards, 17940 CoEnabledTransitionPairs, 10 FixpointIterations, 194 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 34 ConcurrentYvCompositions, 9 ChoiceCompositions, 335 TotalNumberOfCompositions, 147283 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20496, independent: 18434, independent conditional: 0, independent unconditional: 18434, dependent: 2062, dependent conditional: 0, dependent unconditional: 2062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7899, independent: 7671, independent conditional: 0, independent unconditional: 7671, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20496, independent: 10763, independent conditional: 0, independent unconditional: 10763, dependent: 1834, dependent conditional: 0, dependent unconditional: 1834, unknown: 7899, unknown conditional: 0, unknown unconditional: 7899] , Statistics on independence cache: Total cache size (in pairs): 784, Positive cache size: 618, Positive conditional cache size: 0, Positive unconditional cache size: 618, Negative cache size: 166, Negative conditional cache size: 0, Negative unconditional cache size: 166, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1711]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1706] 0 struct device *my_dev; [L1746] CALL, EXPR 0 my_drv_init() [L1740] 0 return 0; [L1746] RET, EXPR 0 my_drv_init() [L1746] 0 int ret = my_drv_init(); [L1747] COND TRUE 0 ret==0 [L1748] 0 int probe_ret; [L1749] 0 struct my_data data; [L1750] CALL, EXPR 0 my_drv_probe(&data) [L1718] 0 data->shared.a = 0 [L1719] 0 data->shared.b = 0 [L1720] EXPR 0 data->shared.a [L1720] EXPR 0 data->shared.a==0 [L1720] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1720] RET 0 ldv_assert(data->shared.a==0) [L1721] EXPR 0 data->shared.b [L1721] EXPR 0 data->shared.b==0 [L1721] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1721] RET 0 ldv_assert(data->shared.b==0) [L1722] 0 int res = __VERIFIER_nondet_int(); [L1723] COND FALSE 0 !(\read(res)) [L1725] 0 my_dev = &data->dev [L1726] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [arg={0:0}, arg={0:0}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data={3:-24}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1727] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data={3:-24}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=0, res=0, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1728] 0 return 0; [L1750] RET, EXPR 0 my_drv_probe(&data) [L1750] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, data={6:0}, my_dev={6:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] COND TRUE 0 probe_ret==0 [L1752] CALL 0 my_drv_disconnect(&data) [L1734] 0 void *status; [L1735] 0 \read(t1) VAL [\read(t1)=1, __mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, data={6:0}, data={6:0}, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, my_dev={6:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.b==0 [1721] * C: data->shared.b==0 [1721] * C: const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [1709] * C: data->shared.a==0 [1720] * C: data->shared.b = 0 [1719] * C: pthread_join(t1, &status) [1735] * C: data->shared.a = 0 [1718] * C: data->shared.a = 0 [1718] * C: data->shared.a==0 [1720] * C: data->shared.b==0 [1721] * C: data->shared.b = 0 [1719] * C: data->shared.a = 0 [1718] * C: data->shared.a==0 [1720] * C: data->shared.b = 0 [1719] * C: data->shared.a = 0 [1718] * C: data->shared.b==0 [1721] * C: my_dev = &data->dev [1725] * C: data->shared.b = 0 [1719] * C: data->shared.a==0 [1720] and C: data->shared.a = 1 [1711] - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1721]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1757]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1735]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1758]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1736]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1753]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1754]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 365 locations, 33 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: 142.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 67.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 73.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 697 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4044 IncrementalHoareTripleChecker+Invalid, 4120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 295 mSDtfsCounter, 4044 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13298occurred in iteration=8, InterpolantAutomatonStates: 41, 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, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-25 02:30:37,133 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...