/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 06:01:46,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 06:01:46,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 06:01:46,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 06:01:46,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 06:01:46,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 06:01:46,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 06:01:46,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 06:01:46,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 06:01:46,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 06:01:46,296 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 06:01:46,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 06:01:46,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 06:01:46,297 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 06:01:46,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 06:01:46,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 06:01:46,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 06:01:46,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 06:01:46,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 06:01:46,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 06:01:46,298 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 06:01:46,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 06:01:46,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 06:01:46,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 06:01:46,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 06:01:46,300 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 06:01:46,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 06:01:46,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 06:01:46,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 06:01:46,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 06:01:46,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 06:01:46,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 06:01:46,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 06:01:46,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 06:01:46,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 06:01:46,306 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 06:01:46,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 06:01:46,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 06:01:46,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 06:01:46,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 06:01:46,565 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 06:01:46,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-26 06:01:47,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 06:01:47,722 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 06:01:47,723 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-26 06:01:47,739 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367f5fac7/9de0f56bcac74b5cad44b0c754a1f9a9/FLAG322a82cc8 [2023-08-26 06:01:47,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367f5fac7/9de0f56bcac74b5cad44b0c754a1f9a9 [2023-08-26 06:01:47,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 06:01:47,753 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 06:01:47,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 06:01:47,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 06:01:47,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 06:01:47,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:01:47" (1/1) ... [2023-08-26 06:01:47,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d440a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:47, skipping insertion in model container [2023-08-26 06:01:47,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:01:47" (1/1) ... [2023-08-26 06:01:47,797 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 06:01:48,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 06:01:48,332 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 06:01:48,350 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 06:01:48,351 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 06:01:48,355 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-26 06:01:48,367 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-26 06:01:48,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 06:01:48,490 INFO L206 MainTranslator]: Completed translation [2023-08-26 06:01:48,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48 WrapperNode [2023-08-26 06:01:48,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 06:01:48,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 06:01:48,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 06:01:48,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 06:01:48,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,554 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 222 [2023-08-26 06:01:48,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 06:01:48,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 06:01:48,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 06:01:48,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 06:01:48,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 06:01:48,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 06:01:48,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 06:01:48,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 06:01:48,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (1/1) ... [2023-08-26 06:01:48,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 06:01:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 06:01:48,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-26 06:01:48,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-26 06:01:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 06:01:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 06:01:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 06:01:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 06:01:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 06:01:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 06:01:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 06:01:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-26 06:01:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-26 06:01:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 06:01:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 06:01:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 06:01:48,684 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 06:01:48,906 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 06:01:48,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 06:01:49,145 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 06:01:49,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 06:01:49,150 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 06:01:49,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:01:49 BoogieIcfgContainer [2023-08-26 06:01:49,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 06:01:49,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 06:01:49,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 06:01:49,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 06:01:49,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 06:01:47" (1/3) ... [2023-08-26 06:01:49,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785488c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:01:49, skipping insertion in model container [2023-08-26 06:01:49,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:01:48" (2/3) ... [2023-08-26 06:01:49,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785488c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:01:49, skipping insertion in model container [2023-08-26 06:01:49,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:01:49" (3/3) ... [2023-08-26 06:01:49,157 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-08-26 06:01:49,167 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 06:01:49,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-08-26 06:01:49,168 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 06:01:49,221 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 06:01:49,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 319 places, 327 transitions, 670 flow [2023-08-26 06:01:49,385 INFO L124 PetriNetUnfolderBase]: 18/409 cut-off events. [2023-08-26 06:01:49,385 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 06:01:49,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 409 events. 18/409 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 929 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 228. Up to 4 conditions per place. [2023-08-26 06:01:49,392 INFO L82 GeneralOperation]: Start removeDead. Operand has 319 places, 327 transitions, 670 flow [2023-08-26 06:01:49,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 324 transitions, 660 flow [2023-08-26 06:01:49,402 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 06:01:49,414 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 324 transitions, 660 flow [2023-08-26 06:01:49,416 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 324 transitions, 660 flow [2023-08-26 06:01:49,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 324 transitions, 660 flow [2023-08-26 06:01:49,465 INFO L124 PetriNetUnfolderBase]: 17/408 cut-off events. [2023-08-26 06:01:49,466 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 06:01:49,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 408 events. 17/408 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 933 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 227. Up to 4 conditions per place. [2023-08-26 06:01:49,474 INFO L119 LiptonReduction]: Number of co-enabled transitions 16872 [2023-08-26 06:02:38,412 WARN L234 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 214 DAG size of output: 209 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:02:54,573 WARN L234 SmtUtils]: Spent 13.34s on a formula simplification. DAG size of input: 223 DAG size of output: 218 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:03:08,470 WARN L234 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 214 DAG size of output: 208 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:03:11,468 INFO L134 LiptonReduction]: Checked pairs total: 119898 [2023-08-26 06:03:11,468 INFO L136 LiptonReduction]: Total number of compositions: 329 [2023-08-26 06:03:11,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 06:03:11,486 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;@5c1c241b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 06:03:11,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-08-26 06:03:11,487 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 06:03:11,487 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 06:03:11,487 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 06:03:11,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:03:11,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 06:03:11,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:03:11,491 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:03:11,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1063, now seen corresponding path program 1 times [2023-08-26 06:03:11,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:03:11,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24368177] [2023-08-26 06:03:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:03:11,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:03:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:03:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:03:11,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:03:11,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24368177] [2023-08-26 06:03:11,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24368177] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:03:11,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:03:11,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 06:03:11,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501072732] [2023-08-26 06:03:11,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:03:11,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 06:03:11,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:03:11,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 06:03:11,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 06:03:11,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 656 [2023-08-26 06:03:11,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 115 transitions, 242 flow. Second operand has 2 states, 2 states have (on average 305.5) internal successors, (611), 2 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:11,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:03:11,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 656 [2023-08-26 06:03:11,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:03:12,089 INFO L124 PetriNetUnfolderBase]: 1337/3573 cut-off events. [2023-08-26 06:03:12,090 INFO L125 PetriNetUnfolderBase]: For 31/59 co-relation queries the response was YES. [2023-08-26 06:03:12,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5778 conditions, 3573 events. 1337/3573 cut-off events. For 31/59 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 29265 event pairs, 1336 based on Foata normal form. 143/3189 useless extension candidates. Maximal degree in co-relation 5561. Up to 2177 conditions per place. [2023-08-26 06:03:12,109 INFO L140 encePairwiseOnDemand]: 645/656 looper letters, 38 selfloop transitions, 0 changer transitions 0/103 dead transitions. [2023-08-26 06:03:12,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 103 transitions, 294 flow [2023-08-26 06:03:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 06:03:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 06:03:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 659 transitions. [2023-08-26 06:03:12,123 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5022865853658537 [2023-08-26 06:03:12,124 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 659 transitions. [2023-08-26 06:03:12,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 659 transitions. [2023-08-26 06:03:12,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:03:12,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 659 transitions. [2023-08-26 06:03:12,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 329.5) internal successors, (659), 2 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 656.0) internal successors, (1968), 3 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,136 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 656.0) internal successors, (1968), 3 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,138 INFO L175 Difference]: Start difference. First operand has 117 places, 115 transitions, 242 flow. Second operand 2 states and 659 transitions. [2023-08-26 06:03:12,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 103 transitions, 294 flow [2023-08-26 06:03:12,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 103 transitions, 286 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 06:03:12,144 INFO L231 Difference]: Finished difference. Result has 105 places, 103 transitions, 210 flow [2023-08-26 06:03:12,145 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=210, PETRI_PLACES=105, PETRI_TRANSITIONS=103} [2023-08-26 06:03:12,150 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -12 predicate places. [2023-08-26 06:03:12,150 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 103 transitions, 210 flow [2023-08-26 06:03:12,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 305.5) internal successors, (611), 2 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:03:12,151 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:03:12,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 06:03:12,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:03:12,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:03:12,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1823542596, now seen corresponding path program 1 times [2023-08-26 06:03:12,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:03:12,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063223044] [2023-08-26 06:03:12,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:03:12,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:03:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:03:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:03:12,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:03:12,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063223044] [2023-08-26 06:03:12,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063223044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:03:12,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:03:12,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 06:03:12,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57683145] [2023-08-26 06:03:12,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:03:12,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 06:03:12,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:03:12,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 06:03:12,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 06:03:12,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 656 [2023-08-26 06:03:12,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 103 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:03:12,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 656 [2023-08-26 06:03:12,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:03:12,772 INFO L124 PetriNetUnfolderBase]: 1337/3896 cut-off events. [2023-08-26 06:03:12,773 INFO L125 PetriNetUnfolderBase]: For 6/22 co-relation queries the response was YES. [2023-08-26 06:03:12,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6091 conditions, 3896 events. 1337/3896 cut-off events. For 6/22 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 32994 event pairs, 366 based on Foata normal form. 0/3390 useless extension candidates. Maximal degree in co-relation 6088. Up to 1541 conditions per place. [2023-08-26 06:03:12,789 INFO L140 encePairwiseOnDemand]: 652/656 looper letters, 56 selfloop transitions, 3 changer transitions 2/126 dead transitions. [2023-08-26 06:03:12,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 126 transitions, 378 flow [2023-08-26 06:03:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 06:03:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 06:03:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2023-08-26 06:03:12,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4872967479674797 [2023-08-26 06:03:12,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 959 transitions. [2023-08-26 06:03:12,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 959 transitions. [2023-08-26 06:03:12,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:03:12,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 959 transitions. [2023-08-26 06:03:12,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 656.0) internal successors, (2624), 4 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,797 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 656.0) internal successors, (2624), 4 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,798 INFO L175 Difference]: Start difference. First operand has 105 places, 103 transitions, 210 flow. Second operand 3 states and 959 transitions. [2023-08-26 06:03:12,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 126 transitions, 378 flow [2023-08-26 06:03:12,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 126 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 06:03:12,800 INFO L231 Difference]: Finished difference. Result has 109 places, 104 transitions, 228 flow [2023-08-26 06:03:12,801 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=109, PETRI_TRANSITIONS=104} [2023-08-26 06:03:12,802 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -8 predicate places. [2023-08-26 06:03:12,802 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 104 transitions, 228 flow [2023-08-26 06:03:12,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:12,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:03:12,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:03:12,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 06:03:12,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:03:12,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:03:12,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1058444558, now seen corresponding path program 1 times [2023-08-26 06:03:12,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:03:12,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782557545] [2023-08-26 06:03:12,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:03:12,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:03:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:03:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:03:13,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:03:13,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782557545] [2023-08-26 06:03:13,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782557545] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:03:13,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:03:13,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:03:13,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382884556] [2023-08-26 06:03:13,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:03:13,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:03:13,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:03:13,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:03:13,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:03:13,160 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 656 [2023-08-26 06:03:13,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 104 transitions, 228 flow. Second operand has 6 states, 6 states have (on average 183.16666666666666) internal successors, (1099), 6 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:13,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:03:13,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 656 [2023-08-26 06:03:13,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:03:17,676 INFO L124 PetriNetUnfolderBase]: 47157/72585 cut-off events. [2023-08-26 06:03:17,676 INFO L125 PetriNetUnfolderBase]: For 2755/2755 co-relation queries the response was YES. [2023-08-26 06:03:17,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147644 conditions, 72585 events. 47157/72585 cut-off events. For 2755/2755 co-relation queries the response was YES. Maximal size of possible extension queue 891. Compared 495812 event pairs, 38893 based on Foata normal form. 0/62285 useless extension candidates. Maximal degree in co-relation 147639. Up to 66491 conditions per place. [2023-08-26 06:03:17,968 INFO L140 encePairwiseOnDemand]: 624/656 looper letters, 185 selfloop transitions, 103 changer transitions 0/289 dead transitions. [2023-08-26 06:03:17,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 289 transitions, 1174 flow [2023-08-26 06:03:17,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:03:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:03:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1380 transitions. [2023-08-26 06:03:17,973 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35060975609756095 [2023-08-26 06:03:17,973 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1380 transitions. [2023-08-26 06:03:17,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1380 transitions. [2023-08-26 06:03:17,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:03:17,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1380 transitions. [2023-08-26 06:03:17,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:17,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:17,981 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:17,981 INFO L175 Difference]: Start difference. First operand has 109 places, 104 transitions, 228 flow. Second operand 6 states and 1380 transitions. [2023-08-26 06:03:17,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 289 transitions, 1174 flow [2023-08-26 06:03:18,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 289 transitions, 1168 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 06:03:18,005 INFO L231 Difference]: Finished difference. Result has 117 places, 205 transitions, 896 flow [2023-08-26 06:03:18,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=117, PETRI_TRANSITIONS=205} [2023-08-26 06:03:18,006 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 0 predicate places. [2023-08-26 06:03:18,006 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 205 transitions, 896 flow [2023-08-26 06:03:18,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.16666666666666) internal successors, (1099), 6 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:18,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:03:18,007 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:03:18,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 06:03:18,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:03:18,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:03:18,008 INFO L85 PathProgramCache]: Analyzing trace with hash 248033170, now seen corresponding path program 1 times [2023-08-26 06:03:18,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:03:18,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766071844] [2023-08-26 06:03:18,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:03:18,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:03:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:03:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:03:18,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:03:18,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766071844] [2023-08-26 06:03:18,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766071844] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:03:18,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:03:18,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:03:18,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423007179] [2023-08-26 06:03:18,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:03:18,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:03:18,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:03:18,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:03:18,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:03:18,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 656 [2023-08-26 06:03:18,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 205 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:18,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:03:18,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 656 [2023-08-26 06:03:18,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:03:24,515 INFO L124 PetriNetUnfolderBase]: 58765/89885 cut-off events. [2023-08-26 06:03:24,516 INFO L125 PetriNetUnfolderBase]: For 27071/27071 co-relation queries the response was YES. [2023-08-26 06:03:24,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228085 conditions, 89885 events. 58765/89885 cut-off events. For 27071/27071 co-relation queries the response was YES. Maximal size of possible extension queue 1077. Compared 625450 event pairs, 37506 based on Foata normal form. 0/77870 useless extension candidates. Maximal degree in co-relation 228076. Up to 79077 conditions per place. [2023-08-26 06:03:25,052 INFO L140 encePairwiseOnDemand]: 617/656 looper letters, 333 selfloop transitions, 228 changer transitions 0/561 dead transitions. [2023-08-26 06:03:25,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 561 transitions, 3310 flow [2023-08-26 06:03:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:03:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:03:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1493 transitions. [2023-08-26 06:03:25,058 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3793191056910569 [2023-08-26 06:03:25,058 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1493 transitions. [2023-08-26 06:03:25,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1493 transitions. [2023-08-26 06:03:25,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:03:25,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1493 transitions. [2023-08-26 06:03:25,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 248.83333333333334) internal successors, (1493), 6 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:25,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:25,067 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:25,067 INFO L175 Difference]: Start difference. First operand has 117 places, 205 transitions, 896 flow. Second operand 6 states and 1493 transitions. [2023-08-26 06:03:25,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 561 transitions, 3310 flow [2023-08-26 06:03:25,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 561 transitions, 3310 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 06:03:25,172 INFO L231 Difference]: Finished difference. Result has 127 places, 428 transitions, 2940 flow [2023-08-26 06:03:25,172 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2940, PETRI_PLACES=127, PETRI_TRANSITIONS=428} [2023-08-26 06:03:25,173 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 10 predicate places. [2023-08-26 06:03:25,173 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 428 transitions, 2940 flow [2023-08-26 06:03:25,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:25,174 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:03:25,174 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:03:25,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 06:03:25,174 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:03:25,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:03:25,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1528060917, now seen corresponding path program 1 times [2023-08-26 06:03:25,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:03:25,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653253537] [2023-08-26 06:03:25,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:03:25,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:03:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:03:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:03:25,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:03:25,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653253537] [2023-08-26 06:03:25,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653253537] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:03:25,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:03:25,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:03:25,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846472468] [2023-08-26 06:03:25,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:03:25,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:03:25,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:03:25,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:03:25,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:03:25,410 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 656 [2023-08-26 06:03:25,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 428 transitions, 2940 flow. Second operand has 6 states, 6 states have (on average 194.83333333333334) internal successors, (1169), 6 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:25,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:03:25,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 656 [2023-08-26 06:03:25,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:03:33,573 INFO L124 PetriNetUnfolderBase]: 61799/95345 cut-off events. [2023-08-26 06:03:33,574 INFO L125 PetriNetUnfolderBase]: For 87032/87070 co-relation queries the response was YES. [2023-08-26 06:03:33,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299018 conditions, 95345 events. 61799/95345 cut-off events. For 87032/87070 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 684112 event pairs, 37175 based on Foata normal form. 0/84015 useless extension candidates. Maximal degree in co-relation 299004. Up to 87308 conditions per place. [2023-08-26 06:03:34,082 INFO L140 encePairwiseOnDemand]: 633/656 looper letters, 583 selfloop transitions, 136 changer transitions 0/720 dead transitions. [2023-08-26 06:03:34,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 720 transitions, 5886 flow [2023-08-26 06:03:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:03:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:03:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1458 transitions. [2023-08-26 06:03:34,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3704268292682927 [2023-08-26 06:03:34,092 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1458 transitions. [2023-08-26 06:03:34,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1458 transitions. [2023-08-26 06:03:34,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:03:34,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1458 transitions. [2023-08-26 06:03:34,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.0) internal successors, (1458), 6 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:34,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:34,107 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:34,107 INFO L175 Difference]: Start difference. First operand has 127 places, 428 transitions, 2940 flow. Second operand 6 states and 1458 transitions. [2023-08-26 06:03:34,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 720 transitions, 5886 flow [2023-08-26 06:03:34,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 720 transitions, 5868 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-26 06:03:34,498 INFO L231 Difference]: Finished difference. Result has 137 places, 559 transitions, 4456 flow [2023-08-26 06:03:34,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=2922, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4456, PETRI_PLACES=137, PETRI_TRANSITIONS=559} [2023-08-26 06:03:34,499 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 20 predicate places. [2023-08-26 06:03:34,499 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 559 transitions, 4456 flow [2023-08-26 06:03:34,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.83333333333334) internal successors, (1169), 6 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:34,500 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:03:34,500 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:03:34,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 06:03:34,500 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:03:34,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:03:34,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2004764190, now seen corresponding path program 1 times [2023-08-26 06:03:34,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:03:34,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242589817] [2023-08-26 06:03:34,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:03:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:03:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:03:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:03:34,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:03:34,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242589817] [2023-08-26 06:03:34,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242589817] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:03:34,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:03:34,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:03:34,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842571017] [2023-08-26 06:03:34,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:03:34,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:03:34,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:03:34,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:03:34,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:03:34,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 656 [2023-08-26 06:03:34,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 559 transitions, 4456 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:34,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:03:34,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 656 [2023-08-26 06:03:34,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:03:45,218 INFO L124 PetriNetUnfolderBase]: 71935/110872 cut-off events. [2023-08-26 06:03:45,218 INFO L125 PetriNetUnfolderBase]: For 150944/151087 co-relation queries the response was YES. [2023-08-26 06:03:45,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384594 conditions, 110872 events. 71935/110872 cut-off events. For 150944/151087 co-relation queries the response was YES. Maximal size of possible extension queue 1436. Compared 815198 event pairs, 35042 based on Foata normal form. 10/99067 useless extension candidates. Maximal degree in co-relation 384575. Up to 98659 conditions per place. [2023-08-26 06:03:46,022 INFO L140 encePairwiseOnDemand]: 613/656 looper letters, 678 selfloop transitions, 492 changer transitions 0/1171 dead transitions. [2023-08-26 06:03:46,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 1171 transitions, 10372 flow [2023-08-26 06:03:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:03:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:03:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1516 transitions. [2023-08-26 06:03:46,026 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3851626016260163 [2023-08-26 06:03:46,026 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1516 transitions. [2023-08-26 06:03:46,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1516 transitions. [2023-08-26 06:03:46,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:03:46,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1516 transitions. [2023-08-26 06:03:46,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 252.66666666666666) internal successors, (1516), 6 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:46,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:46,033 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:46,033 INFO L175 Difference]: Start difference. First operand has 137 places, 559 transitions, 4456 flow. Second operand 6 states and 1516 transitions. [2023-08-26 06:03:46,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 1171 transitions, 10372 flow [2023-08-26 06:03:46,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 1171 transitions, 10336 flow, removed 18 selfloop flow, removed 0 redundant places. [2023-08-26 06:03:46,805 INFO L231 Difference]: Finished difference. Result has 147 places, 1024 transitions, 9992 flow [2023-08-26 06:03:46,805 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=4438, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9992, PETRI_PLACES=147, PETRI_TRANSITIONS=1024} [2023-08-26 06:03:46,806 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 30 predicate places. [2023-08-26 06:03:46,806 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 1024 transitions, 9992 flow [2023-08-26 06:03:46,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:46,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:03:46,807 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:03:46,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 06:03:46,807 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:03:46,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:03:46,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2121144959, now seen corresponding path program 1 times [2023-08-26 06:03:46,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:03:46,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057203873] [2023-08-26 06:03:46,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:03:46,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:03:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:03:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:03:46,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:03:46,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057203873] [2023-08-26 06:03:46,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057203873] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:03:46,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:03:46,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:03:46,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187845435] [2023-08-26 06:03:46,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:03:46,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:03:46,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:03:46,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:03:46,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:03:46,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 656 [2023-08-26 06:03:46,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 1024 transitions, 9992 flow. Second operand has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:03:46,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:03:46,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 656 [2023-08-26 06:03:46,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:04:01,854 INFO L124 PetriNetUnfolderBase]: 77902/120069 cut-off events. [2023-08-26 06:04:01,854 INFO L125 PetriNetUnfolderBase]: For 287814/287894 co-relation queries the response was YES. [2023-08-26 06:04:02,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484217 conditions, 120069 events. 77902/120069 cut-off events. For 287814/287894 co-relation queries the response was YES. Maximal size of possible extension queue 1584. Compared 892181 event pairs, 35878 based on Foata normal form. 0/109139 useless extension candidates. Maximal degree in co-relation 484193. Up to 112567 conditions per place. [2023-08-26 06:04:02,824 INFO L140 encePairwiseOnDemand]: 625/656 looper letters, 1101 selfloop transitions, 306 changer transitions 0/1408 dead transitions. [2023-08-26 06:04:02,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 1408 transitions, 15824 flow [2023-08-26 06:04:02,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:04:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:04:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1380 transitions. [2023-08-26 06:04:02,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35060975609756095 [2023-08-26 06:04:02,827 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1380 transitions. [2023-08-26 06:04:02,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1380 transitions. [2023-08-26 06:04:02,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:04:02,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1380 transitions. [2023-08-26 06:04:02,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:02,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:02,833 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 656.0) internal successors, (4592), 7 states have internal predecessors, (4592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:02,833 INFO L175 Difference]: Start difference. First operand has 147 places, 1024 transitions, 9992 flow. Second operand 6 states and 1380 transitions. [2023-08-26 06:04:02,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 1408 transitions, 15824 flow [2023-08-26 06:04:04,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 1408 transitions, 15680 flow, removed 72 selfloop flow, removed 0 redundant places. [2023-08-26 06:04:04,619 INFO L231 Difference]: Finished difference. Result has 157 places, 1314 transitions, 14096 flow [2023-08-26 06:04:04,620 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=9866, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=862, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=14096, PETRI_PLACES=157, PETRI_TRANSITIONS=1314} [2023-08-26 06:04:04,621 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 40 predicate places. [2023-08-26 06:04:04,621 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 1314 transitions, 14096 flow [2023-08-26 06:04:04,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:04,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:04:04,621 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:04:04,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 06:04:04,622 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:04:04,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:04:04,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1302617846, now seen corresponding path program 1 times [2023-08-26 06:04:04,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:04:04,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766695021] [2023-08-26 06:04:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:04:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:04:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:04:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:04:04,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:04:04,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766695021] [2023-08-26 06:04:04,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766695021] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:04:04,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:04:04,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 06:04:04,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204727980] [2023-08-26 06:04:04,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:04:04,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 06:04:04,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:04:04,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 06:04:04,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 06:04:04,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 656 [2023-08-26 06:04:04,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 1314 transitions, 14096 flow. Second operand has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:04,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:04:04,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 656 [2023-08-26 06:04:04,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:04:06,906 INFO L124 PetriNetUnfolderBase]: 7970/15617 cut-off events. [2023-08-26 06:04:06,907 INFO L125 PetriNetUnfolderBase]: For 40698/42281 co-relation queries the response was YES. [2023-08-26 06:04:06,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66825 conditions, 15617 events. 7970/15617 cut-off events. For 40698/42281 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 125007 event pairs, 966 based on Foata normal form. 74/15069 useless extension candidates. Maximal degree in co-relation 66796. Up to 7171 conditions per place. [2023-08-26 06:04:07,004 INFO L140 encePairwiseOnDemand]: 654/656 looper letters, 98 selfloop transitions, 1 changer transitions 3/522 dead transitions. [2023-08-26 06:04:07,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 522 transitions, 5466 flow [2023-08-26 06:04:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 06:04:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 06:04:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2023-08-26 06:04:07,006 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48628048780487804 [2023-08-26 06:04:07,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2023-08-26 06:04:07,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2023-08-26 06:04:07,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:04:07,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2023-08-26 06:04:07,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:07,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 656.0) internal successors, (2624), 4 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:07,010 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 656.0) internal successors, (2624), 4 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:07,010 INFO L175 Difference]: Start difference. First operand has 157 places, 1314 transitions, 14096 flow. Second operand 3 states and 957 transitions. [2023-08-26 06:04:07,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 522 transitions, 5466 flow [2023-08-26 06:04:07,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 522 transitions, 4631 flow, removed 392 selfloop flow, removed 18 redundant places. [2023-08-26 06:04:07,152 INFO L231 Difference]: Finished difference. Result has 139 places, 489 transitions, 4262 flow [2023-08-26 06:04:07,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=4266, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4262, PETRI_PLACES=139, PETRI_TRANSITIONS=489} [2023-08-26 06:04:07,153 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 22 predicate places. [2023-08-26 06:04:07,153 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 489 transitions, 4262 flow [2023-08-26 06:04:07,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 06:04:07,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:04:07,153 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:04:07,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 06:04:07,154 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-26 06:04:07,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:04:07,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1325184424, now seen corresponding path program 1 times [2023-08-26 06:04:07,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:04:07,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830666712] [2023-08-26 06:04:07,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:04:07,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:04:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 06:04:07,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 06:04:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 06:04:07,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 06:04:07,261 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 06:04:07,262 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2023-08-26 06:04:07,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2023-08-26 06:04:07,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2023-08-26 06:04:07,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2023-08-26 06:04:07,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (24 of 29 remaining) [2023-08-26 06:04:07,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2023-08-26 06:04:07,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (22 of 29 remaining) [2023-08-26 06:04:07,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2023-08-26 06:04:07,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2023-08-26 06:04:07,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2023-08-26 06:04:07,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2023-08-26 06:04:07,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2023-08-26 06:04:07,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONASSERT (16 of 29 remaining) [2023-08-26 06:04:07,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2023-08-26 06:04:07,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2023-08-26 06:04:07,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONASSERT (13 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (12 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (10 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2023-08-26 06:04:07,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2023-08-26 06:04:07,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2023-08-26 06:04:07,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2023-08-26 06:04:07,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2023-08-26 06:04:07,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2023-08-26 06:04:07,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2023-08-26 06:04:07,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 06:04:07,267 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:04:07,276 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 06:04:07,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 06:04:07,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 06:04:07 BasicIcfg [2023-08-26 06:04:07,312 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 06:04:07,312 INFO L158 Benchmark]: Toolchain (without parser) took 139559.33ms. Allocated memory was 379.6MB in the beginning and 13.3GB in the end (delta: 13.0GB). Free memory was 352.4MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 3.7GB. Max. memory is 16.0GB. [2023-08-26 06:04:07,312 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 379.6MB. Free memory was 357.8MB in the beginning and 357.7MB in the end (delta: 91.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 06:04:07,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 736.84ms. Allocated memory is still 379.6MB. Free memory was 352.4MB in the beginning and 294.5MB in the end (delta: 58.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. [2023-08-26 06:04:07,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.00ms. Allocated memory is still 379.6MB. Free memory was 294.5MB in the beginning and 289.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-26 06:04:07,313 INFO L158 Benchmark]: Boogie Preprocessor took 48.07ms. Allocated memory is still 379.6MB. Free memory was 289.8MB in the beginning and 286.1MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 06:04:07,313 INFO L158 Benchmark]: RCFGBuilder took 548.57ms. Allocated memory was 379.6MB in the beginning and 564.1MB in the end (delta: 184.5MB). Free memory was 285.6MB in the beginning and 512.7MB in the end (delta: -227.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.0GB. [2023-08-26 06:04:07,313 INFO L158 Benchmark]: TraceAbstraction took 138158.88ms. Allocated memory was 564.1MB in the beginning and 13.3GB in the end (delta: 12.8GB). Free memory was 511.6MB in the beginning and 9.6GB in the end (delta: -9.1GB). Peak memory consumption was 3.7GB. Max. memory is 16.0GB. [2023-08-26 06:04:07,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 379.6MB. Free memory was 357.8MB in the beginning and 357.7MB in the end (delta: 91.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 736.84ms. Allocated memory is still 379.6MB. Free memory was 352.4MB in the beginning and 294.5MB in the end (delta: 58.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 63.00ms. Allocated memory is still 379.6MB. Free memory was 294.5MB in the beginning and 289.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * Boogie Preprocessor took 48.07ms. Allocated memory is still 379.6MB. Free memory was 289.8MB in the beginning and 286.1MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 548.57ms. Allocated memory was 379.6MB in the beginning and 564.1MB in the end (delta: 184.5MB). Free memory was 285.6MB in the beginning and 512.7MB in the end (delta: -227.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.0GB. * TraceAbstraction took 138158.88ms. Allocated memory was 564.1MB in the beginning and 13.3GB in the end (delta: 12.8GB). Free memory was 511.6MB in the beginning and 9.6GB in the end (delta: -9.1GB). Peak memory consumption was 3.7GB. 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: 82.1s, 317 PlacesBefore, 117 PlacesAfterwards, 324 TransitionsBefore, 115 TransitionsAfterwards, 16872 CoEnabledTransitionPairs, 9 FixpointIterations, 183 TrivialSequentialCompositions, 82 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 35 ConcurrentYvCompositions, 9 ChoiceCompositions, 329 TotalNumberOfCompositions, 119898 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16618, independent: 14859, independent conditional: 0, independent unconditional: 14859, dependent: 1759, dependent conditional: 0, dependent unconditional: 1759, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7477, independent: 7275, independent conditional: 0, independent unconditional: 7275, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16618, independent: 7584, independent conditional: 0, independent unconditional: 7584, dependent: 1557, dependent conditional: 0, dependent unconditional: 1557, unknown: 7477, unknown conditional: 0, unknown unconditional: 7477] , Statistics on independence cache: Total cache size (in pairs): 548, Positive cache size: 411, Positive conditional cache size: 0, Positive unconditional cache size: 411, Negative cache size: 137, Negative conditional cache size: 0, Negative unconditional cache size: 137, 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; [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) [L1717] 0 struct device *d = &data->dev; [L1719] 0 data->shared.a = 0 [L1720] 0 data->shared.b = 0 [L1721] EXPR 0 data->shared.a [L1721] EXPR 0 data->shared.a==0 [L1721] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1721] RET 0 ldv_assert(data->shared.a==0) [L1722] EXPR 0 data->shared.b [L1722] EXPR 0 data->shared.b==0 [L1722] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1722] RET 0 ldv_assert(data->shared.b==0) [L1723] 0 int res = __VERIFIER_nondet_int(); [L1724] COND FALSE 0 !(\read(res)) [L1726] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-5, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1727] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={3:-3}, arg={5:24}, arg={5:24}, d={5:24}, data={3:-27}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-4, res=0, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={3:-3}, arg={5:24}, arg={5:24}, data->shared.a = 1=1159, data={3:-27}, dev={5:24}, 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:-3}, arg={5:24}, arg={5:24}, data->shared.a = 1=1159, data={3:-27}, data={5:0}, dev={5:24}, 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)=-5, __mptr={3:-3}, arg={5:24}, arg={5:24}, data->shared.a = 1=1159, data={3:-27}, data={5:0}, data={5:0}, dev={5:24}, status={6:0}, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={3:-3}, arg={5:24}, arg={5:24}, data->shared.a = 1=1159, data={3:-27}, dev={5:24}, 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 [1720] * C: data->shared.b==0 [1722] * C: data->shared.a==0 [1721] * C: data->shared.b = 0 [1720] * C: pthread_join(t1, &status) [1735] * C: data->shared.a = 0 [1719] * C: data->shared.b==0 [1722] * C: data->shared.b==0 [1722] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] * C: data->shared.b = 0 [1720] * C: data->shared.a==0 [1721] * C: data->shared.b==0 [1722] * C: data->shared.a = 0 [1719] * C: data->shared.a==0 [1721] * C: data->shared.a==0 [1721] * C: data->shared.a = 0 [1719] and C: data->shared.a = 1 [1711] - 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: 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: 1722]: 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: 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: 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, 353 locations, 29 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: 138.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 54.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 82.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 592 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 592 mSDsluCounter, 294 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3868 IncrementalHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 294 mSDtfsCounter, 3868 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14096occurred in iteration=7, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-26 06:04:07,368 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...