/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_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:26:46,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:26:46,970 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 02:26:46,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:26:46,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:26:46,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:26:46,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:26:46,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:26:46,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:26:47,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:26:47,005 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:26:47,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:26:47,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:26:47,005 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:26:47,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:26:47,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:26:47,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:26:47,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:26:47,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:26:47,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:26:47,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:26:47,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:26:47,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:26:47,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:26:47,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:26:47,008 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:26:47,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:26:47,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:26:47,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:26:47,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:26:47,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:26:47,009 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:26:47,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:26:47,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:26:47,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:26:47,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:26:47,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:26:47,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:26:47,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:26:47,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:26:47,345 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:26:47,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-08-25 02:26:48,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:26:48,583 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:26:48,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-08-25 02:26:48,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003944d63/6faa2bcf9c744dfda165683c54d43090/FLAG71b5a0d60 [2023-08-25 02:26:48,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003944d63/6faa2bcf9c744dfda165683c54d43090 [2023-08-25 02:26:48,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:26:48,619 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:26:48,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:26:48,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:26:48,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:26:48,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:26:48" (1/1) ... [2023-08-25 02:26:48,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6ccfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:48, skipping insertion in model container [2023-08-25 02:26:48,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:26:48" (1/1) ... [2023-08-25 02:26:48,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:26:48,809 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 02:26:49,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:26:49,155 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:26:49,162 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 02:26:49,175 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 02:26:49,176 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 02:26:49,181 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-08-25 02:26:49,205 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-08-25 02:26:49,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:26:49,327 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:26:49,327 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:26:49,327 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:26:49,332 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:26:49,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49 WrapperNode [2023-08-25 02:26:49,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:26:49,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:26:49,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:26:49,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:26:49,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,407 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 246 [2023-08-25 02:26:49,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:26:49,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:26:49,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:26:49,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:26:49,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:26:49,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:26:49,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:26:49,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:26:49,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (1/1) ... [2023-08-25 02:26:49,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:26:49,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:26:49,492 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 02:26:49,496 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 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:26:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 02:26:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 02:26:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:26:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:26:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:26:49,517 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 02:26:49,721 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:26:49,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:26:50,124 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:26:50,230 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:26:50,230 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:26:50,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:26:50 BoogieIcfgContainer [2023-08-25 02:26:50,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:26:50,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:26:50,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:26:50,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:26:50,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:26:48" (1/3) ... [2023-08-25 02:26:50,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc40360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:26:50, skipping insertion in model container [2023-08-25 02:26:50,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:49" (2/3) ... [2023-08-25 02:26:50,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc40360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:26:50, skipping insertion in model container [2023-08-25 02:26:50,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:26:50" (3/3) ... [2023-08-25 02:26:50,237 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-08-25 02:26:50,248 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:26:50,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 02:26:50,248 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:26:50,296 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 02:26:50,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 257 transitions, 530 flow [2023-08-25 02:26:50,389 INFO L124 PetriNetUnfolderBase]: 14/339 cut-off events. [2023-08-25 02:26:50,389 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:26:50,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 339 events. 14/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 708 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 168. Up to 4 conditions per place. [2023-08-25 02:26:50,395 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 257 transitions, 530 flow [2023-08-25 02:26:50,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 251 places, 254 transitions, 520 flow [2023-08-25 02:26:50,401 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:26:50,408 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 254 transitions, 520 flow [2023-08-25 02:26:50,409 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 254 transitions, 520 flow [2023-08-25 02:26:50,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 254 transitions, 520 flow [2023-08-25 02:26:50,454 INFO L124 PetriNetUnfolderBase]: 13/338 cut-off events. [2023-08-25 02:26:50,454 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:26:50,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 338 events. 13/338 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 726 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 167. Up to 4 conditions per place. [2023-08-25 02:26:50,458 INFO L119 LiptonReduction]: Number of co-enabled transitions 7752 [2023-08-25 02:27:26,162 WARN L234 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 180 DAG size of output: 178 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:27:39,255 WARN L234 SmtUtils]: Spent 8.63s on a formula simplification. DAG size of input: 180 DAG size of output: 178 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:27:56,795 INFO L134 LiptonReduction]: Checked pairs total: 41857 [2023-08-25 02:27:56,795 INFO L136 LiptonReduction]: Total number of compositions: 260 [2023-08-25 02:27:56,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:27:56,807 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;@64fdc17a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:27:56,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-08-25 02:27:56,808 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:27:56,808 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 02:27:56,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:27:56,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:56,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 02:27:56,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:27:56,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:56,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1022, now seen corresponding path program 1 times [2023-08-25 02:27:56,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:56,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349628527] [2023-08-25 02:27:56,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:56,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:56,974 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 02:27:56,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:56,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349628527] [2023-08-25 02:27:56,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349628527] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:56,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:56,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 02:27:56,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257764565] [2023-08-25 02:27:56,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:56,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:27:56,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:57,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:27:57,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:27:57,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 517 [2023-08-25 02:27:57,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 88 transitions, 188 flow. Second operand has 2 states, 2 states have (on average 219.5) internal successors, (439), 2 states have internal predecessors, (439), 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 02:27:57,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:57,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 517 [2023-08-25 02:27:57,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:57,426 INFO L124 PetriNetUnfolderBase]: 1011/2631 cut-off events. [2023-08-25 02:27:57,426 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-08-25 02:27:57,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4324 conditions, 2631 events. 1011/2631 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 17901 event pairs, 1010 based on Foata normal form. 74/2407 useless extension candidates. Maximal degree in co-relation 4148. Up to 1669 conditions per place. [2023-08-25 02:27:57,441 INFO L140 encePairwiseOnDemand]: 501/517 looper letters, 37 selfloop transitions, 0 changer transitions 1/71 dead transitions. [2023-08-25 02:27:57,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 71 transitions, 230 flow [2023-08-25 02:27:57,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:27:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:27:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 492 transitions. [2023-08-25 02:27:57,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4758220502901354 [2023-08-25 02:27:57,455 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 492 transitions. [2023-08-25 02:27:57,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 492 transitions. [2023-08-25 02:27:57,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:57,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 492 transitions. [2023-08-25 02:27:57,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 246.0) internal successors, (492), 2 states have internal predecessors, (492), 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 02:27:57,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 517.0) internal successors, (1551), 3 states have internal predecessors, (1551), 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 02:27:57,466 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 517.0) internal successors, (1551), 3 states have internal predecessors, (1551), 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 02:27:57,467 INFO L175 Difference]: Start difference. First operand has 91 places, 88 transitions, 188 flow. Second operand 2 states and 492 transitions. [2023-08-25 02:27:57,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 71 transitions, 230 flow [2023-08-25 02:27:57,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 71 transitions, 222 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 02:27:57,472 INFO L231 Difference]: Finished difference. Result has 73 places, 70 transitions, 144 flow [2023-08-25 02:27:57,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=517, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=144, PETRI_PLACES=73, PETRI_TRANSITIONS=70} [2023-08-25 02:27:57,502 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -18 predicate places. [2023-08-25 02:27:57,502 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 70 transitions, 144 flow [2023-08-25 02:27:57,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 219.5) internal successors, (439), 2 states have internal predecessors, (439), 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 02:27:57,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:57,502 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:57,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:27:57,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:27:57,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:57,513 INFO L85 PathProgramCache]: Analyzing trace with hash 27380760, now seen corresponding path program 1 times [2023-08-25 02:27:57,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:57,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192208925] [2023-08-25 02:27:57,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:57,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:57,818 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 02:27:57,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:57,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192208925] [2023-08-25 02:27:57,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192208925] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:57,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:57,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:27:57,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829063809] [2023-08-25 02:27:57,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:57,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:27:57,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:57,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:27:57,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:27:57,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 517 [2023-08-25 02:27:57,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 70 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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 02:27:57,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:57,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 517 [2023-08-25 02:27:57,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:58,238 INFO L124 PetriNetUnfolderBase]: 1266/3067 cut-off events. [2023-08-25 02:27:58,238 INFO L125 PetriNetUnfolderBase]: For 13/31 co-relation queries the response was YES. [2023-08-25 02:27:58,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5157 conditions, 3067 events. 1266/3067 cut-off events. For 13/31 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 21103 event pairs, 599 based on Foata normal form. 0/2726 useless extension candidates. Maximal degree in co-relation 5154. Up to 1608 conditions per place. [2023-08-25 02:27:58,248 INFO L140 encePairwiseOnDemand]: 508/517 looper letters, 47 selfloop transitions, 8 changer transitions 0/88 dead transitions. [2023-08-25 02:27:58,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 88 transitions, 291 flow [2023-08-25 02:27:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:27:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:27:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2023-08-25 02:27:58,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3939393939393939 [2023-08-25 02:27:58,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2023-08-25 02:27:58,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2023-08-25 02:27:58,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:58,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2023-08-25 02:27:58,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 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 02:27:58,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 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 02:27:58,255 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 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 02:27:58,256 INFO L175 Difference]: Start difference. First operand has 73 places, 70 transitions, 144 flow. Second operand 3 states and 611 transitions. [2023-08-25 02:27:58,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 88 transitions, 291 flow [2023-08-25 02:27:58,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 88 transitions, 291 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:27:58,257 INFO L231 Difference]: Finished difference. Result has 76 places, 77 transitions, 206 flow [2023-08-25 02:27:58,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=517, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=76, PETRI_TRANSITIONS=77} [2023-08-25 02:27:58,258 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -15 predicate places. [2023-08-25 02:27:58,258 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 77 transitions, 206 flow [2023-08-25 02:27:58,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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 02:27:58,258 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:58,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:27:58,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:27:58,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash -902799360, now seen corresponding path program 1 times [2023-08-25 02:27:58,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:58,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500040238] [2023-08-25 02:27:58,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:58,311 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 02:27:58,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:58,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500040238] [2023-08-25 02:27:58,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500040238] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:58,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:58,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:27:58,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705782811] [2023-08-25 02:27:58,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:58,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:27:58,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:58,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:27:58,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:27:58,314 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 517 [2023-08-25 02:27:58,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 77 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 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 02:27:58,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:58,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 517 [2023-08-25 02:27:58,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:58,772 INFO L124 PetriNetUnfolderBase]: 1266/3132 cut-off events. [2023-08-25 02:27:58,773 INFO L125 PetriNetUnfolderBase]: For 840/840 co-relation queries the response was YES. [2023-08-25 02:27:58,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6208 conditions, 3132 events. 1266/3132 cut-off events. For 840/840 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 22014 event pairs, 1061 based on Foata normal form. 1/2880 useless extension candidates. Maximal degree in co-relation 6203. Up to 2079 conditions per place. [2023-08-25 02:27:58,784 INFO L140 encePairwiseOnDemand]: 514/517 looper letters, 43 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-08-25 02:27:58,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 300 flow [2023-08-25 02:27:58,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:27:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:27:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2023-08-25 02:27:58,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43907156673114117 [2023-08-25 02:27:58,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2023-08-25 02:27:58,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2023-08-25 02:27:58,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:58,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2023-08-25 02:27:58,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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 02:27:58,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 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 02:27:58,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 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 02:27:58,791 INFO L175 Difference]: Start difference. First operand has 76 places, 77 transitions, 206 flow. Second operand 3 states and 681 transitions. [2023-08-25 02:27:58,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 300 flow [2023-08-25 02:27:58,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 78 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 02:27:58,794 INFO L231 Difference]: Finished difference. Result has 77 places, 78 transitions, 204 flow [2023-08-25 02:27:58,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=517, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=77, PETRI_TRANSITIONS=78} [2023-08-25 02:27:58,795 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -14 predicate places. [2023-08-25 02:27:58,795 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 78 transitions, 204 flow [2023-08-25 02:27:58,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 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 02:27:58,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:58,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:58,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:27:58,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:27:58,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:58,796 INFO L85 PathProgramCache]: Analyzing trace with hash -841113523, now seen corresponding path program 1 times [2023-08-25 02:27:58,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:58,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755672051] [2023-08-25 02:27:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:59,087 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 02:27:59,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:59,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755672051] [2023-08-25 02:27:59,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755672051] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:59,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:59,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:27:59,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864171582] [2023-08-25 02:27:59,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:59,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:27:59,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:59,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:27:59,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:27:59,091 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 517 [2023-08-25 02:27:59,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 78 transitions, 204 flow. Second operand has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 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 02:27:59,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:59,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 517 [2023-08-25 02:27:59,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:59,989 INFO L124 PetriNetUnfolderBase]: 3480/5669 cut-off events. [2023-08-25 02:27:59,990 INFO L125 PetriNetUnfolderBase]: For 1311/1311 co-relation queries the response was YES. [2023-08-25 02:27:59,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13059 conditions, 5669 events. 3480/5669 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 29104 event pairs, 2696 based on Foata normal form. 0/5313 useless extension candidates. Maximal degree in co-relation 13053. Up to 5332 conditions per place. [2023-08-25 02:28:00,007 INFO L140 encePairwiseOnDemand]: 503/517 looper letters, 92 selfloop transitions, 31 changer transitions 0/123 dead transitions. [2023-08-25 02:28:00,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 123 transitions, 572 flow [2023-08-25 02:28:00,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:28:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:28:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 980 transitions. [2023-08-25 02:28:00,010 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3159252095422308 [2023-08-25 02:28:00,011 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 980 transitions. [2023-08-25 02:28:00,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 980 transitions. [2023-08-25 02:28:00,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:00,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 980 transitions. [2023-08-25 02:28:00,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 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 02:28:00,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 517.0) internal successors, (3619), 7 states have internal predecessors, (3619), 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 02:28:00,018 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 517.0) internal successors, (3619), 7 states have internal predecessors, (3619), 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 02:28:00,018 INFO L175 Difference]: Start difference. First operand has 77 places, 78 transitions, 204 flow. Second operand 6 states and 980 transitions. [2023-08-25 02:28:00,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 123 transitions, 572 flow [2023-08-25 02:28:00,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 123 transitions, 568 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 02:28:00,022 INFO L231 Difference]: Finished difference. Result has 86 places, 107 transitions, 438 flow [2023-08-25 02:28:00,022 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=517, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=438, PETRI_PLACES=86, PETRI_TRANSITIONS=107} [2023-08-25 02:28:00,023 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -5 predicate places. [2023-08-25 02:28:00,023 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 107 transitions, 438 flow [2023-08-25 02:28:00,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 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 02:28:00,024 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:00,024 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:00,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:28:00,024 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:28:00,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash 848804127, now seen corresponding path program 1 times [2023-08-25 02:28:00,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:00,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750407814] [2023-08-25 02:28:00,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:00,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:28:00,130 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 02:28:00,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:28:00,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750407814] [2023-08-25 02:28:00,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750407814] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:28:00,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:28:00,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:28:00,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211923058] [2023-08-25 02:28:00,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:28:00,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:28:00,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:28:00,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:28:00,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:28:00,138 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 517 [2023-08-25 02:28:00,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 107 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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 02:28:00,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:28:00,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 517 [2023-08-25 02:28:00,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:28:00,695 INFO L124 PetriNetUnfolderBase]: 1919/4147 cut-off events. [2023-08-25 02:28:00,696 INFO L125 PetriNetUnfolderBase]: For 2451/2482 co-relation queries the response was YES. [2023-08-25 02:28:00,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10222 conditions, 4147 events. 1919/4147 cut-off events. For 2451/2482 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 28504 event pairs, 949 based on Foata normal form. 3/3830 useless extension candidates. Maximal degree in co-relation 10212. Up to 2351 conditions per place. [2023-08-25 02:28:00,717 INFO L140 encePairwiseOnDemand]: 508/517 looper letters, 77 selfloop transitions, 14 changer transitions 0/128 dead transitions. [2023-08-25 02:28:00,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 128 transitions, 703 flow [2023-08-25 02:28:00,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:28:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:28:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 610 transitions. [2023-08-25 02:28:00,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39329464861379754 [2023-08-25 02:28:00,720 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 610 transitions. [2023-08-25 02:28:00,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 610 transitions. [2023-08-25 02:28:00,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:00,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 610 transitions. [2023-08-25 02:28:00,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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 02:28:00,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 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 02:28:00,724 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 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 02:28:00,724 INFO L175 Difference]: Start difference. First operand has 86 places, 107 transitions, 438 flow. Second operand 3 states and 610 transitions. [2023-08-25 02:28:00,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 128 transitions, 703 flow [2023-08-25 02:28:00,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 128 transitions, 671 flow, removed 16 selfloop flow, removed 0 redundant places. [2023-08-25 02:28:00,728 INFO L231 Difference]: Finished difference. Result has 90 places, 118 transitions, 538 flow [2023-08-25 02:28:00,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=517, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=90, PETRI_TRANSITIONS=118} [2023-08-25 02:28:00,729 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -1 predicate places. [2023-08-25 02:28:00,729 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 118 transitions, 538 flow [2023-08-25 02:28:00,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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 02:28:00,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:00,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:00,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:28:00,730 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:28:00,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:00,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1215793946, now seen corresponding path program 1 times [2023-08-25 02:28:00,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:00,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968358912] [2023-08-25 02:28:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:00,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:28:00,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 02:28:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:28:00,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 02:28:00,803 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 02:28:00,804 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (30 of 31 remaining) [2023-08-25 02:28:00,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-08-25 02:28:00,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-08-25 02:28:00,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-08-25 02:28:00,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONASSERT (21 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-08-25 02:28:00,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (17 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (14 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONASSERT (13 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONASSERT (11 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 31 remaining) [2023-08-25 02:28:00,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-08-25 02:28:00,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-08-25 02:28:00,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:28:00,812 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-25 02:28:00,817 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:28:00,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:28:00,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:28:00 BasicIcfg [2023-08-25 02:28:00,868 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:28:00,868 INFO L158 Benchmark]: Toolchain (without parser) took 72249.13ms. Allocated memory was 388.0MB in the beginning and 635.4MB in the end (delta: 247.5MB). Free memory was 360.8MB in the beginning and 463.3MB in the end (delta: -102.5MB). Peak memory consumption was 145.3MB. Max. memory is 16.0GB. [2023-08-25 02:28:00,868 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 388.0MB. Free memory was 365.2MB in the beginning and 365.1MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:28:00,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.82ms. Allocated memory is still 388.0MB. Free memory was 360.8MB in the beginning and 352.2MB in the end (delta: 8.6MB). Peak memory consumption was 57.4MB. Max. memory is 16.0GB. [2023-08-25 02:28:00,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.80ms. Allocated memory is still 388.0MB. Free memory was 352.2MB in the beginning and 348.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:28:00,869 INFO L158 Benchmark]: Boogie Preprocessor took 60.42ms. Allocated memory is still 388.0MB. Free memory was 348.3MB in the beginning and 343.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:28:00,870 INFO L158 Benchmark]: RCFGBuilder took 762.95ms. Allocated memory was 388.0MB in the beginning and 499.1MB in the end (delta: 111.1MB). Free memory was 343.6MB in the beginning and 454.2MB in the end (delta: -110.6MB). Peak memory consumption was 49.8MB. Max. memory is 16.0GB. [2023-08-25 02:28:00,870 INFO L158 Benchmark]: TraceAbstraction took 70634.67ms. Allocated memory was 499.1MB in the beginning and 635.4MB in the end (delta: 136.3MB). Free memory was 454.2MB in the beginning and 463.3MB in the end (delta: -9.1MB). Peak memory consumption was 126.2MB. Max. memory is 16.0GB. [2023-08-25 02:28:00,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 388.0MB. Free memory was 365.2MB in the beginning and 365.1MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 712.82ms. Allocated memory is still 388.0MB. Free memory was 360.8MB in the beginning and 352.2MB in the end (delta: 8.6MB). Peak memory consumption was 57.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 72.80ms. Allocated memory is still 388.0MB. Free memory was 352.2MB in the beginning and 348.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 60.42ms. Allocated memory is still 388.0MB. Free memory was 348.3MB in the beginning and 343.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 762.95ms. Allocated memory was 388.0MB in the beginning and 499.1MB in the end (delta: 111.1MB). Free memory was 343.6MB in the beginning and 454.2MB in the end (delta: -110.6MB). Peak memory consumption was 49.8MB. Max. memory is 16.0GB. * TraceAbstraction took 70634.67ms. Allocated memory was 499.1MB in the beginning and 635.4MB in the end (delta: 136.3MB). Free memory was 454.2MB in the beginning and 463.3MB in the end (delta: -9.1MB). Peak memory consumption was 126.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 735]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [735] - GenericResultAtLocation [Line: 1691]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1691] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.4s, 251 PlacesBefore, 91 PlacesAfterwards, 254 TransitionsBefore, 88 TransitionsAfterwards, 7752 CoEnabledTransitionPairs, 9 FixpointIterations, 129 TrivialSequentialCompositions, 85 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 32 ConcurrentYvCompositions, 6 ChoiceCompositions, 260 TotalNumberOfCompositions, 41857 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8435, independent: 7156, independent conditional: 0, independent unconditional: 7156, dependent: 1279, dependent conditional: 0, dependent unconditional: 1279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3813, independent: 3665, independent conditional: 0, independent unconditional: 3665, dependent: 148, dependent conditional: 0, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8435, independent: 3491, independent conditional: 0, independent unconditional: 3491, dependent: 1131, dependent conditional: 0, dependent unconditional: 1131, unknown: 3813, unknown conditional: 0, unknown unconditional: 3813] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 129, Positive conditional cache size: 0, Positive unconditional cache size: 129, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1671]: assertion can be violated assertion can be violated We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); [L1746] COND TRUE 0 ret==0 [L1747] 0 int probe_ret; [L1748] 0 struct my_data data; [L1749] CALL 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] 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)=6, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=7, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1716] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1719] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1722] EXPR 0 data->shared.a [L1722] EXPR 0 data->shared.a==3 [L1722] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] CALL 0 reach_error() [L1671] COND FALSE 0 !(0) [L1671] 0 __assert_fail ("0", "race-2_3-container_of.c", 14, __extension__ __PRETTY_FUNCTION__) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1756]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1734]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: 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: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1752]: 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: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: 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: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1713]: 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: 1714]: 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: 1694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1700]: 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, 267 locations, 31 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: 70.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 66.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 574 IncrementalHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 29 mSDtfsCounter, 574 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=538occurred in iteration=5, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 02:28:00,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...