/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:24:16,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:24:16,506 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 02:24:16,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:24:16,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:24:16,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:24:16,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:24:16,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:24:16,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:24:16,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:24:16,540 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:24:16,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:24:16,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:24:16,541 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:24:16,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:24:16,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:24:16,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:24:16,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:24:16,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:24:16,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:24:16,542 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:24:16,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:24:16,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:24:16,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:24:16,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:24:16,543 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:24:16,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:24:16,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:24:16,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:24:16,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:24:16,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:24:16,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:24:16,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:24:16,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:24:16,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:24:16,545 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:24:16,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:24:16,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:24:16,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:24:16,825 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:24:16,825 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:24:16,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-25 02:24:17,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:24:18,092 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:24:18,093 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-25 02:24:18,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a6e2e55/79727d584ae74c8d8239d87784da5e20/FLAG45c3797b3 [2023-08-25 02:24:18,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a6e2e55/79727d584ae74c8d8239d87784da5e20 [2023-08-25 02:24:18,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:24:18,134 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:24:18,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:24:18,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:24:18,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:24:18,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502b593a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18, skipping insertion in model container [2023-08-25 02:24:18,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,187 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:24:18,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:24:18,795 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:24:18,813 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:24:18,814 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:24:18,819 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-25 02:24:18,832 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-25 02:24:18,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:24:18,921 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:24:18,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18 WrapperNode [2023-08-25 02:24:18,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:24:18,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:24:18,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:24:18,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:24:18,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,970 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 222 [2023-08-25 02:24:18,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:24:18,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:24:18,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:24:18,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:24:18,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:18,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:19,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:19,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:24:19,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:24:19,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:24:19,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:24:19,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (1/1) ... [2023-08-25 02:24:19,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:24:19,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:24:19,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 02:24:19,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:24:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 02:24:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:24:19,072 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 02:24:19,311 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:24:19,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:24:19,666 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:24:19,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:24:19,672 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:24:19,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:24:19 BoogieIcfgContainer [2023-08-25 02:24:19,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:24:19,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:24:19,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:24:19,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:24:19,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:24:18" (1/3) ... [2023-08-25 02:24:19,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174e841d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:24:19, skipping insertion in model container [2023-08-25 02:24:19,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:24:18" (2/3) ... [2023-08-25 02:24:19,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174e841d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:24:19, skipping insertion in model container [2023-08-25 02:24:19,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:24:19" (3/3) ... [2023-08-25 02:24:19,679 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-08-25 02:24:19,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:24:19,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-08-25 02:24:19,695 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:24:19,767 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 02:24:19,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 319 places, 327 transitions, 670 flow [2023-08-25 02:24:19,938 INFO L124 PetriNetUnfolderBase]: 18/409 cut-off events. [2023-08-25 02:24:19,938 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:24:19,945 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. [2023-08-25 02:24:19,945 INFO L82 GeneralOperation]: Start removeDead. Operand has 319 places, 327 transitions, 670 flow [2023-08-25 02:24:19,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 324 transitions, 660 flow [2023-08-25 02:24:19,959 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:24:19,965 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 324 transitions, 660 flow [2023-08-25 02:24:19,967 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 324 transitions, 660 flow [2023-08-25 02:24:19,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 324 transitions, 660 flow [2023-08-25 02:24:20,039 INFO L124 PetriNetUnfolderBase]: 17/408 cut-off events. [2023-08-25 02:24:20,039 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:24:20,040 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. [2023-08-25 02:24:20,047 INFO L119 LiptonReduction]: Number of co-enabled transitions 16872 [2023-08-25 02:24:56,514 WARN L234 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 140 DAG size of output: 133 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:25:10,654 WARN L234 SmtUtils]: Spent 7.07s 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) [2023-08-25 02:25:27,289 WARN L234 SmtUtils]: Spent 13.76s 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) [2023-08-25 02:25:32,357 WARN L234 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 210 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:25:42,043 WARN L234 SmtUtils]: Spent 6.17s 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) [2023-08-25 02:25:45,203 INFO L134 LiptonReduction]: Checked pairs total: 119898 [2023-08-25 02:25:45,203 INFO L136 LiptonReduction]: Total number of compositions: 329 [2023-08-25 02:25:45,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:25:45,225 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;@5b94745d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:25:45,225 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-08-25 02:25:45,226 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:25:45,226 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 02:25:45,226 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:25:45,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:25:45,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 02:25:45,227 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)] === [2023-08-25 02:25:45,231 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:25:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1063, now seen corresponding path program 1 times [2023-08-25 02:25:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:25:45,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793337608] [2023-08-25 02:25:45,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:25:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:25:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:25:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:25:45,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:25:45,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793337608] [2023-08-25 02:25:45,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793337608] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:25:45,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:25:45,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 02:25:45,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139940036] [2023-08-25 02:25:45,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:25:45,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:25:45,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:25:45,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:25:45,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:25:45,415 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 656 [2023-08-25 02:25:45,428 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) [2023-08-25 02:25:45,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:25:45,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 656 [2023-08-25 02:25:45,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:25:45,845 INFO L124 PetriNetUnfolderBase]: 1337/3573 cut-off events. [2023-08-25 02:25:45,845 INFO L125 PetriNetUnfolderBase]: For 31/59 co-relation queries the response was YES. [2023-08-25 02:25:45,855 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. [2023-08-25 02:25:45,868 INFO L140 encePairwiseOnDemand]: 645/656 looper letters, 38 selfloop transitions, 0 changer transitions 0/103 dead transitions. [2023-08-25 02:25:45,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 103 transitions, 294 flow [2023-08-25 02:25:45,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:25:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:25:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 659 transitions. [2023-08-25 02:25:45,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5022865853658537 [2023-08-25 02:25:45,885 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 659 transitions. [2023-08-25 02:25:45,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 659 transitions. [2023-08-25 02:25:45,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:25:45,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 659 transitions. [2023-08-25 02:25:45,893 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) [2023-08-25 02:25:45,898 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) [2023-08-25 02:25:45,899 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) [2023-08-25 02:25:45,900 INFO L175 Difference]: Start difference. First operand has 117 places, 115 transitions, 242 flow. Second operand 2 states and 659 transitions. [2023-08-25 02:25:45,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 103 transitions, 294 flow [2023-08-25 02:25:45,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 103 transitions, 286 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 02:25:45,907 INFO L231 Difference]: Finished difference. Result has 105 places, 103 transitions, 210 flow [2023-08-25 02:25:45,909 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} [2023-08-25 02:25:45,912 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -12 predicate places. [2023-08-25 02:25:45,912 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 103 transitions, 210 flow [2023-08-25 02:25:45,913 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) [2023-08-25 02:25:45,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:25:45,930 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:25:45,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:25:45,931 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)] === [2023-08-25 02:25:45,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:25:45,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1823542596, now seen corresponding path program 1 times [2023-08-25 02:25:45,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:25:45,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054813541] [2023-08-25 02:25:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:25:45,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:25:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:25:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:25:46,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:25:46,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054813541] [2023-08-25 02:25:46,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054813541] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:25:46,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:25:46,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:25:46,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956490385] [2023-08-25 02:25:46,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:25:46,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:25:46,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:25:46,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:25:46,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:25:46,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 656 [2023-08-25 02:25:46,118 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) [2023-08-25 02:25:46,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:25:46,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 656 [2023-08-25 02:25:46,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:25:46,569 INFO L124 PetriNetUnfolderBase]: 1337/3896 cut-off events. [2023-08-25 02:25:46,569 INFO L125 PetriNetUnfolderBase]: For 6/22 co-relation queries the response was YES. [2023-08-25 02:25:46,575 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. [2023-08-25 02:25:46,614 INFO L140 encePairwiseOnDemand]: 652/656 looper letters, 56 selfloop transitions, 3 changer transitions 2/126 dead transitions. [2023-08-25 02:25:46,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 126 transitions, 378 flow [2023-08-25 02:25:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:25:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:25:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2023-08-25 02:25:46,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4872967479674797 [2023-08-25 02:25:46,617 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 959 transitions. [2023-08-25 02:25:46,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 959 transitions. [2023-08-25 02:25:46,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:25:46,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 959 transitions. [2023-08-25 02:25:46,619 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) [2023-08-25 02:25:46,621 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) [2023-08-25 02:25:46,622 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) [2023-08-25 02:25:46,622 INFO L175 Difference]: Start difference. First operand has 105 places, 103 transitions, 210 flow. Second operand 3 states and 959 transitions. [2023-08-25 02:25:46,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 126 transitions, 378 flow [2023-08-25 02:25:46,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 126 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:25:46,625 INFO L231 Difference]: Finished difference. Result has 109 places, 104 transitions, 228 flow [2023-08-25 02:25:46,626 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} [2023-08-25 02:25:46,627 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -8 predicate places. [2023-08-25 02:25:46,629 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 104 transitions, 228 flow [2023-08-25 02:25:46,630 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) [2023-08-25 02:25:46,630 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:25:46,633 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:25:46,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:25:46,633 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)] === [2023-08-25 02:25:46,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:25:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1058444558, now seen corresponding path program 1 times [2023-08-25 02:25:46,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:25:46,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938709361] [2023-08-25 02:25:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:25:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:25:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:25:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:25:46,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:25:46,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938709361] [2023-08-25 02:25:46,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938709361] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:25:46,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:25:46,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:25:46,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965202959] [2023-08-25 02:25:46,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:25:46,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:25:46,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:25:46,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:25:46,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:25:46,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 656 [2023-08-25 02:25:46,992 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) [2023-08-25 02:25:46,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:25:46,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 656 [2023-08-25 02:25:46,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:25:51,781 INFO L124 PetriNetUnfolderBase]: 47157/72585 cut-off events. [2023-08-25 02:25:51,782 INFO L125 PetriNetUnfolderBase]: For 2755/2755 co-relation queries the response was YES. [2023-08-25 02:25:51,883 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. [2023-08-25 02:25:52,140 INFO L140 encePairwiseOnDemand]: 624/656 looper letters, 185 selfloop transitions, 103 changer transitions 0/289 dead transitions. [2023-08-25 02:25:52,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 289 transitions, 1174 flow [2023-08-25 02:25:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:25:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:25:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1380 transitions. [2023-08-25 02:25:52,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35060975609756095 [2023-08-25 02:25:52,144 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1380 transitions. [2023-08-25 02:25:52,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1380 transitions. [2023-08-25 02:25:52,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:25:52,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1380 transitions. [2023-08-25 02:25:52,147 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) [2023-08-25 02:25:52,152 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) [2023-08-25 02:25:52,153 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) [2023-08-25 02:25:52,153 INFO L175 Difference]: Start difference. First operand has 109 places, 104 transitions, 228 flow. Second operand 6 states and 1380 transitions. [2023-08-25 02:25:52,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 289 transitions, 1174 flow [2023-08-25 02:25:52,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 289 transitions, 1168 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 02:25:52,180 INFO L231 Difference]: Finished difference. Result has 117 places, 205 transitions, 896 flow [2023-08-25 02:25:52,180 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} [2023-08-25 02:25:52,181 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 0 predicate places. [2023-08-25 02:25:52,181 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 205 transitions, 896 flow [2023-08-25 02:25:52,182 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) [2023-08-25 02:25:52,182 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:25:52,182 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:25:52,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:25:52,183 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)] === [2023-08-25 02:25:52,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:25:52,183 INFO L85 PathProgramCache]: Analyzing trace with hash 248033170, now seen corresponding path program 1 times [2023-08-25 02:25:52,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:25:52,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759629306] [2023-08-25 02:25:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:25:52,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:25:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:25:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:25:52,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:25:52,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759629306] [2023-08-25 02:25:52,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759629306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:25:52,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:25:52,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:25:52,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654081548] [2023-08-25 02:25:52,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:25:52,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:25:52,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:25:52,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:25:52,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:25:52,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 656 [2023-08-25 02:25:52,446 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) [2023-08-25 02:25:52,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:25:52,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 656 [2023-08-25 02:25:52,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:25:58,732 INFO L124 PetriNetUnfolderBase]: 58765/89885 cut-off events. [2023-08-25 02:25:58,733 INFO L125 PetriNetUnfolderBase]: For 27071/27071 co-relation queries the response was YES. [2023-08-25 02:25:58,882 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. [2023-08-25 02:25:59,142 INFO L140 encePairwiseOnDemand]: 617/656 looper letters, 333 selfloop transitions, 228 changer transitions 0/561 dead transitions. [2023-08-25 02:25:59,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 561 transitions, 3310 flow [2023-08-25 02:25:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:25:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:25:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1493 transitions. [2023-08-25 02:25:59,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3793191056910569 [2023-08-25 02:25:59,147 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1493 transitions. [2023-08-25 02:25:59,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1493 transitions. [2023-08-25 02:25:59,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:25:59,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1493 transitions. [2023-08-25 02:25:59,151 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) [2023-08-25 02:25:59,156 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) [2023-08-25 02:25:59,158 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) [2023-08-25 02:25:59,158 INFO L175 Difference]: Start difference. First operand has 117 places, 205 transitions, 896 flow. Second operand 6 states and 1493 transitions. [2023-08-25 02:25:59,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 561 transitions, 3310 flow [2023-08-25 02:25:59,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 561 transitions, 3310 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:25:59,286 INFO L231 Difference]: Finished difference. Result has 127 places, 428 transitions, 2940 flow [2023-08-25 02:25:59,286 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} [2023-08-25 02:25:59,287 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 10 predicate places. [2023-08-25 02:25:59,287 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 428 transitions, 2940 flow [2023-08-25 02:25:59,287 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) [2023-08-25 02:25:59,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:25:59,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:25:59,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:25:59,288 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)] === [2023-08-25 02:25:59,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:25:59,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1528060917, now seen corresponding path program 1 times [2023-08-25 02:25:59,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:25:59,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291010725] [2023-08-25 02:25:59,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:25:59,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:25:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:25:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:25:59,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:25:59,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291010725] [2023-08-25 02:25:59,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291010725] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:25:59,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:25:59,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:25:59,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929583836] [2023-08-25 02:25:59,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:25:59,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:25:59,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:25:59,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:25:59,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:25:59,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 656 [2023-08-25 02:25:59,533 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) [2023-08-25 02:25:59,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:25:59,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 656 [2023-08-25 02:25:59,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:26:08,101 INFO L124 PetriNetUnfolderBase]: 61799/95345 cut-off events. [2023-08-25 02:26:08,102 INFO L125 PetriNetUnfolderBase]: For 87032/87070 co-relation queries the response was YES. [2023-08-25 02:26:08,360 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. [2023-08-25 02:26:08,632 INFO L140 encePairwiseOnDemand]: 633/656 looper letters, 583 selfloop transitions, 136 changer transitions 0/720 dead transitions. [2023-08-25 02:26:08,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 720 transitions, 5886 flow [2023-08-25 02:26:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:26:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:26:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1458 transitions. [2023-08-25 02:26:08,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3704268292682927 [2023-08-25 02:26:08,635 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1458 transitions. [2023-08-25 02:26:08,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1458 transitions. [2023-08-25 02:26:08,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:26:08,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1458 transitions. [2023-08-25 02:26:08,639 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) [2023-08-25 02:26:08,643 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) [2023-08-25 02:26:08,644 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) [2023-08-25 02:26:08,644 INFO L175 Difference]: Start difference. First operand has 127 places, 428 transitions, 2940 flow. Second operand 6 states and 1458 transitions. [2023-08-25 02:26:08,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 720 transitions, 5886 flow [2023-08-25 02:26:09,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 720 transitions, 5868 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-25 02:26:09,049 INFO L231 Difference]: Finished difference. Result has 137 places, 559 transitions, 4456 flow [2023-08-25 02:26:09,050 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} [2023-08-25 02:26:09,050 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 20 predicate places. [2023-08-25 02:26:09,050 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 559 transitions, 4456 flow [2023-08-25 02:26:09,051 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) [2023-08-25 02:26:09,051 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:26:09,051 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:26:09,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:26:09,051 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)] === [2023-08-25 02:26:09,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:26:09,051 INFO L85 PathProgramCache]: Analyzing trace with hash -2004764190, now seen corresponding path program 1 times [2023-08-25 02:26:09,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:26:09,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684943362] [2023-08-25 02:26:09,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:26:09,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:26:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:26:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:26:09,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:26:09,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684943362] [2023-08-25 02:26:09,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684943362] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:26:09,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:26:09,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:26:09,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114643226] [2023-08-25 02:26:09,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:26:09,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:26:09,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:26:09,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:26:09,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:26:09,250 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 656 [2023-08-25 02:26:09,251 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) [2023-08-25 02:26:09,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:26:09,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 656 [2023-08-25 02:26:09,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:26:20,268 INFO L124 PetriNetUnfolderBase]: 71935/110872 cut-off events. [2023-08-25 02:26:20,268 INFO L125 PetriNetUnfolderBase]: For 150944/151087 co-relation queries the response was YES. [2023-08-25 02:26:20,709 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. [2023-08-25 02:26:21,059 INFO L140 encePairwiseOnDemand]: 613/656 looper letters, 678 selfloop transitions, 492 changer transitions 0/1171 dead transitions. [2023-08-25 02:26:21,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 1171 transitions, 10372 flow [2023-08-25 02:26:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:26:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:26:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1516 transitions. [2023-08-25 02:26:21,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3851626016260163 [2023-08-25 02:26:21,063 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1516 transitions. [2023-08-25 02:26:21,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1516 transitions. [2023-08-25 02:26:21,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:26:21,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1516 transitions. [2023-08-25 02:26:21,066 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) [2023-08-25 02:26:21,069 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) [2023-08-25 02:26:21,069 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) [2023-08-25 02:26:21,069 INFO L175 Difference]: Start difference. First operand has 137 places, 559 transitions, 4456 flow. Second operand 6 states and 1516 transitions. [2023-08-25 02:26:21,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 1171 transitions, 10372 flow [2023-08-25 02:26:21,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 1171 transitions, 10336 flow, removed 18 selfloop flow, removed 0 redundant places. [2023-08-25 02:26:21,888 INFO L231 Difference]: Finished difference. Result has 147 places, 1024 transitions, 9992 flow [2023-08-25 02:26:21,889 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} [2023-08-25 02:26:21,889 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 30 predicate places. [2023-08-25 02:26:21,889 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 1024 transitions, 9992 flow [2023-08-25 02:26:21,890 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) [2023-08-25 02:26:21,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:26:21,890 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:26:21,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:26:21,890 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)] === [2023-08-25 02:26:21,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:26:21,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2121144959, now seen corresponding path program 1 times [2023-08-25 02:26:21,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:26:21,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307303444] [2023-08-25 02:26:21,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:26:21,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:26:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:26:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:26:22,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:26:22,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307303444] [2023-08-25 02:26:22,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307303444] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:26:22,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:26:22,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:26:22,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920087885] [2023-08-25 02:26:22,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:26:22,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:26:22,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:26:22,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:26:22,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:26:22,261 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 656 [2023-08-25 02:26:22,261 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) [2023-08-25 02:26:22,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:26:22,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 656 [2023-08-25 02:26:22,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:26:38,229 INFO L124 PetriNetUnfolderBase]: 77902/120069 cut-off events. [2023-08-25 02:26:38,229 INFO L125 PetriNetUnfolderBase]: For 287814/287894 co-relation queries the response was YES. [2023-08-25 02:26:38,802 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. [2023-08-25 02:26:39,380 INFO L140 encePairwiseOnDemand]: 625/656 looper letters, 1101 selfloop transitions, 306 changer transitions 0/1408 dead transitions. [2023-08-25 02:26:39,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 1408 transitions, 15824 flow [2023-08-25 02:26:39,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:26:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:26:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1380 transitions. [2023-08-25 02:26:39,384 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35060975609756095 [2023-08-25 02:26:39,384 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1380 transitions. [2023-08-25 02:26:39,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1380 transitions. [2023-08-25 02:26:39,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:26:39,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1380 transitions. [2023-08-25 02:26:39,387 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) [2023-08-25 02:26:39,390 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) [2023-08-25 02:26:39,391 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) [2023-08-25 02:26:39,391 INFO L175 Difference]: Start difference. First operand has 147 places, 1024 transitions, 9992 flow. Second operand 6 states and 1380 transitions. [2023-08-25 02:26:39,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 1408 transitions, 15824 flow [2023-08-25 02:26:41,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 1408 transitions, 15680 flow, removed 72 selfloop flow, removed 0 redundant places. [2023-08-25 02:26:41,242 INFO L231 Difference]: Finished difference. Result has 157 places, 1314 transitions, 14096 flow [2023-08-25 02:26:41,243 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} [2023-08-25 02:26:41,244 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 40 predicate places. [2023-08-25 02:26:41,244 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 1314 transitions, 14096 flow [2023-08-25 02:26:41,244 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) [2023-08-25 02:26:41,244 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:26:41,244 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:26:41,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 02:26:41,244 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)] === [2023-08-25 02:26:41,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:26:41,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1302617846, now seen corresponding path program 1 times [2023-08-25 02:26:41,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:26:41,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477762567] [2023-08-25 02:26:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:26:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:26:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:26:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:26:41,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:26:41,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477762567] [2023-08-25 02:26:41,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477762567] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:26:41,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:26:41,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:26:41,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247016200] [2023-08-25 02:26:41,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:26:41,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:26:41,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:26:41,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:26:41,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:26:41,290 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 656 [2023-08-25 02:26:41,291 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) [2023-08-25 02:26:41,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:26:41,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 656 [2023-08-25 02:26:41,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:26:43,411 INFO L124 PetriNetUnfolderBase]: 7970/15617 cut-off events. [2023-08-25 02:26:43,411 INFO L125 PetriNetUnfolderBase]: For 40698/42281 co-relation queries the response was YES. [2023-08-25 02:26:43,467 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. [2023-08-25 02:26:43,519 INFO L140 encePairwiseOnDemand]: 654/656 looper letters, 98 selfloop transitions, 1 changer transitions 3/522 dead transitions. [2023-08-25 02:26:43,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 522 transitions, 5466 flow [2023-08-25 02:26:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:26:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:26:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2023-08-25 02:26:43,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48628048780487804 [2023-08-25 02:26:43,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2023-08-25 02:26:43,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2023-08-25 02:26:43,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:26:43,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2023-08-25 02:26:43,523 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) [2023-08-25 02:26:43,525 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) [2023-08-25 02:26:43,526 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) [2023-08-25 02:26:43,526 INFO L175 Difference]: Start difference. First operand has 157 places, 1314 transitions, 14096 flow. Second operand 3 states and 957 transitions. [2023-08-25 02:26:43,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 522 transitions, 5466 flow [2023-08-25 02:26:43,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 522 transitions, 4631 flow, removed 392 selfloop flow, removed 18 redundant places. [2023-08-25 02:26:43,699 INFO L231 Difference]: Finished difference. Result has 139 places, 489 transitions, 4262 flow [2023-08-25 02:26:43,699 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} [2023-08-25 02:26:43,700 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 22 predicate places. [2023-08-25 02:26:43,700 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 489 transitions, 4262 flow [2023-08-25 02:26:43,700 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) [2023-08-25 02:26:43,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:26:43,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:26:43,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 02:26:43,700 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)] === [2023-08-25 02:26:43,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:26:43,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1325184424, now seen corresponding path program 1 times [2023-08-25 02:26:43,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:26:43,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850102769] [2023-08-25 02:26:43,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:26:43,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:26:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:26:43,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 02:26:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:26:43,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 02:26:43,786 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 02:26:43,787 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2023-08-25 02:26:43,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2023-08-25 02:26:43,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2023-08-25 02:26:43,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2023-08-25 02:26:43,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (24 of 29 remaining) [2023-08-25 02:26:43,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2023-08-25 02:26:43,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (22 of 29 remaining) [2023-08-25 02:26:43,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2023-08-25 02:26:43,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2023-08-25 02:26:43,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONASSERT (16 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONASSERT (13 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (12 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (10 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 29 remaining) [2023-08-25 02:26:43,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2023-08-25 02:26:43,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2023-08-25 02:26:43,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2023-08-25 02:26:43,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2023-08-25 02:26:43,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2023-08-25 02:26:43,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2023-08-25 02:26:43,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2023-08-25 02:26:43,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2023-08-25 02:26:43,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 02:26:43,794 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:26:43,799 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:26:43,799 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:26:43,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:26:43 BasicIcfg [2023-08-25 02:26:43,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:26:43,843 INFO L158 Benchmark]: Toolchain (without parser) took 145708.29ms. Allocated memory was 367.0MB in the beginning and 12.6GB in the end (delta: 12.2GB). Free memory was 340.7MB in the beginning and 8.1GB in the end (delta: -7.7GB). Peak memory consumption was 4.5GB. Max. memory is 16.0GB. [2023-08-25 02:26:43,843 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 367.0MB. Free memory is still 344.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:26:43,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.22ms. Allocated memory is still 367.0MB. Free memory was 340.3MB in the beginning and 333.0MB in the end (delta: 7.3MB). Peak memory consumption was 57.6MB. Max. memory is 16.0GB. [2023-08-25 02:26:43,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.21ms. Allocated memory is still 367.0MB. Free memory was 332.0MB in the beginning and 327.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:26:43,843 INFO L158 Benchmark]: Boogie Preprocessor took 33.97ms. Allocated memory is still 367.0MB. Free memory was 327.8MB in the beginning and 323.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:26:43,843 INFO L158 Benchmark]: RCFGBuilder took 668.51ms. Allocated memory is still 367.0MB. Free memory was 323.5MB in the beginning and 289.0MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-08-25 02:26:43,844 INFO L158 Benchmark]: TraceAbstraction took 144166.80ms. Allocated memory was 367.0MB in the beginning and 12.6GB in the end (delta: 12.2GB). Free memory was 287.9MB in the beginning and 8.1GB in the end (delta: -7.8GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. [2023-08-25 02:26:43,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 367.0MB. Free memory is still 344.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 786.22ms. Allocated memory is still 367.0MB. Free memory was 340.3MB in the beginning and 333.0MB in the end (delta: 7.3MB). Peak memory consumption was 57.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 49.21ms. Allocated memory is still 367.0MB. Free memory was 332.0MB in the beginning and 327.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.97ms. Allocated memory is still 367.0MB. Free memory was 327.8MB in the beginning and 323.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 668.51ms. Allocated memory is still 367.0MB. Free memory was 323.5MB in the beginning and 289.0MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 144166.80ms. Allocated memory was 367.0MB in the beginning and 12.6GB in the end (delta: 12.2GB). Free memory was 287.9MB in the beginning and 8.1GB in the end (delta: -7.8GB). Peak memory consumption was 4.4GB. 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: 85.2s, 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.a==0 [1721] * C: data->shared.b = 0 [1720] * C: data->shared.a==0 [1721] * C: data->shared.a = 0 [1719] * C: pthread_join(t1, &status) [1735] * C: data->shared.a = 0 [1719] * C: data->shared.a = 0 [1719] * C: data->shared.b==0 [1722] * C: data->shared.a==0 [1721] * C: data->shared.b = 0 [1720] * C: data->shared.b = 0 [1720] * C: data->shared.a==0 [1721] * C: data->shared.b = 0 [1720] * C: data->shared.b==0 [1722] * C: data->shared.b==0 [1722] * C: data->shared.a = 0 [1719] * C: data->shared.b==0 [1722] 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: 144.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 56.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 85.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 592 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 592 mSDsluCounter, 294 SdHoareTripleChecker+Invalid, 3.4s 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, 1.5s 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! [2023-08-25 02:26:43,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...