/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_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:27:02,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:27:02,461 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 02:27:02,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:27:02,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:27:02,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:27:02,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:27:02,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:27:02,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:27:02,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:27:02,486 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:27:02,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:27:02,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:27:02,487 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:27:02,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:27:02,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:27:02,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:27:02,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:27:02,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:27:02,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:27:02,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:27:02,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:27:02,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:27:02,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:27:02,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:27:02,491 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:27:02,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:27:02,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:27:02,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:27:02,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:27:02,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:27:02,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:27:02,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:27:02,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:27:02,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:27:02,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:27:02,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:27:02,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:27:02,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:27:02,830 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:27:02,832 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:27:02,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-08-25 02:27:03,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:27:04,281 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:27:04,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-08-25 02:27:04,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6226830f/aede23600b6d40cd85cf39ee16ffa0de/FLAG757a5e1ee [2023-08-25 02:27:04,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6226830f/aede23600b6d40cd85cf39ee16ffa0de [2023-08-25 02:27:04,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:27:04,331 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:27:04,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:27:04,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:27:04,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:27:04,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:27:04" (1/1) ... [2023-08-25 02:27:04,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276d4ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:04, skipping insertion in model container [2023-08-25 02:27:04,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:27:04" (1/1) ... [2023-08-25 02:27:04,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:27:04,552 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 02:27:05,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:27:05,020 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:27:05,032 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 02:27:05,046 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 02:27:05,048 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 02:27:05,054 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-08-25 02:27:05,071 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-08-25 02:27:05,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:27:05,156 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:27:05,157 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:27:05,157 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:27:05,162 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:27:05,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05 WrapperNode [2023-08-25 02:27:05,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:27:05,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:27:05,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:27:05,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:27:05,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,230 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 246 [2023-08-25 02:27:05,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:27:05,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:27:05,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:27:05,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:27:05,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:27:05,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:27:05,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:27:05,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:27:05,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (1/1) ... [2023-08-25 02:27:05,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:27:05,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:27:05,341 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 02:27:05,349 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 02:27:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 02:27:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:27:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 02:27:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:27:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 02:27:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:27:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:27:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:27:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:27:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 02:27:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 02:27:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:27:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:27:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:27:05,382 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 02:27:05,698 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:27:05,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:27:06,164 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:27:06,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:27:06,257 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:27:06,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:27:06 BoogieIcfgContainer [2023-08-25 02:27:06,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:27:06,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:27:06,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:27:06,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:27:06,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:27:04" (1/3) ... [2023-08-25 02:27:06,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a024018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:27:06, skipping insertion in model container [2023-08-25 02:27:06,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:27:05" (2/3) ... [2023-08-25 02:27:06,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a024018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:27:06, skipping insertion in model container [2023-08-25 02:27:06,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:27:06" (3/3) ... [2023-08-25 02:27:06,267 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-08-25 02:27:06,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:27:06,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 02:27:06,283 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:27:06,348 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 02:27:06,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 257 transitions, 530 flow [2023-08-25 02:27:06,476 INFO L124 PetriNetUnfolderBase]: 14/349 cut-off events. [2023-08-25 02:27:06,476 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:27:06,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 349 events. 14/349 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 814 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 178. Up to 4 conditions per place. [2023-08-25 02:27:06,484 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 257 transitions, 530 flow [2023-08-25 02:27:06,489 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 251 places, 254 transitions, 520 flow [2023-08-25 02:27:06,492 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:27:06,500 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 254 transitions, 520 flow [2023-08-25 02:27:06,502 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 254 transitions, 520 flow [2023-08-25 02:27:06,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 254 transitions, 520 flow [2023-08-25 02:27:06,612 INFO L124 PetriNetUnfolderBase]: 13/348 cut-off events. [2023-08-25 02:27:06,612 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:27:06,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 348 events. 13/348 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 818 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 177. Up to 4 conditions per place. [2023-08-25 02:27:06,619 INFO L119 LiptonReduction]: Number of co-enabled transitions 7752 [2023-08-25 02:27:41,577 WARN L234 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 188 DAG size of output: 186 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:28:02,585 INFO L134 LiptonReduction]: Checked pairs total: 42716 [2023-08-25 02:28:02,585 INFO L136 LiptonReduction]: Total number of compositions: 255 [2023-08-25 02:28:02,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:28:02,601 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;@39ab45d0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:28:02,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-08-25 02:28:02,604 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:28:02,605 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-25 02:28:02,605 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:28:02,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:02,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 02:28:02,606 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 02:28:02,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1022, now seen corresponding path program 1 times [2023-08-25 02:28:02,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:02,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326835801] [2023-08-25 02:28:02,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:28:02,874 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 02:28:02,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:28:02,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326835801] [2023-08-25 02:28:02,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326835801] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:28:02,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:28:02,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 02:28:02,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828223622] [2023-08-25 02:28:02,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:28:02,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:28:02,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:28:02,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:28:02,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:28:02,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 512 [2023-08-25 02:28:02,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 190 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 02:28:02,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:28:02,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 512 [2023-08-25 02:28:02,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:28:03,385 INFO L124 PetriNetUnfolderBase]: 1011/2351 cut-off events. [2023-08-25 02:28:03,385 INFO L125 PetriNetUnfolderBase]: For 38/80 co-relation queries the response was YES. [2023-08-25 02:28:03,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4049 conditions, 2351 events. 1011/2351 cut-off events. For 38/80 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 14673 event pairs, 1010 based on Foata normal form. 74/2156 useless extension candidates. Maximal degree in co-relation 3862. Up to 1674 conditions per place. [2023-08-25 02:28:03,401 INFO L140 encePairwiseOnDemand]: 496/512 looper letters, 37 selfloop transitions, 0 changer transitions 1/72 dead transitions. [2023-08-25 02:28:03,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 72 transitions, 232 flow [2023-08-25 02:28:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:28:03,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:28:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 492 transitions. [2023-08-25 02:28:03,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48046875 [2023-08-25 02:28:03,419 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 492 transitions. [2023-08-25 02:28:03,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 492 transitions. [2023-08-25 02:28:03,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:03,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 492 transitions. [2023-08-25 02:28:03,429 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 02:28:03,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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 02:28:03,436 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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 02:28:03,437 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 190 flow. Second operand 2 states and 492 transitions. [2023-08-25 02:28:03,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 72 transitions, 232 flow [2023-08-25 02:28:03,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 72 transitions, 224 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 02:28:03,445 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 146 flow [2023-08-25 02:28:03,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=512, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=146, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2023-08-25 02:28:03,450 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -18 predicate places. [2023-08-25 02:28:03,450 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 146 flow [2023-08-25 02:28:03,451 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 02:28:03,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:03,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 02:28:03,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:28:03,452 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 02:28:03,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:03,453 INFO L85 PathProgramCache]: Analyzing trace with hash 31387744, now seen corresponding path program 1 times [2023-08-25 02:28:03,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:03,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845329931] [2023-08-25 02:28:03,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:03,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:28:03,700 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 02:28:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:28:03,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845329931] [2023-08-25 02:28:03,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845329931] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:28:03,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:28:03,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:28:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371884199] [2023-08-25 02:28:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:28:03,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:28:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:28:03,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:28:03,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:28:03,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 512 [2023-08-25 02:28:03,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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 02:28:03,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:28:03,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 512 [2023-08-25 02:28:03,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:28:04,166 INFO L124 PetriNetUnfolderBase]: 951/2425 cut-off events. [2023-08-25 02:28:04,166 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-08-25 02:28:04,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4005 conditions, 2425 events. 951/2425 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 16367 event pairs, 950 based on Foata normal form. 0/2169 useless extension candidates. Maximal degree in co-relation 4002. Up to 1570 conditions per place. [2023-08-25 02:28:04,183 INFO L140 encePairwiseOnDemand]: 509/512 looper letters, 36 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2023-08-25 02:28:04,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 72 transitions, 224 flow [2023-08-25 02:28:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:28:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:28:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2023-08-25 02:28:04,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.443359375 [2023-08-25 02:28:04,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2023-08-25 02:28:04,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2023-08-25 02:28:04,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:04,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2023-08-25 02:28:04,188 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 02:28:04,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 512.0) internal successors, (2048), 4 states have internal predecessors, (2048), 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 02:28:04,192 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 512.0) internal successors, (2048), 4 states have internal predecessors, (2048), 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 02:28:04,192 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 146 flow. Second operand 3 states and 681 transitions. [2023-08-25 02:28:04,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 72 transitions, 224 flow [2023-08-25 02:28:04,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 72 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:28:04,194 INFO L231 Difference]: Finished difference. Result has 76 places, 72 transitions, 158 flow [2023-08-25 02:28:04,194 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=512, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=76, PETRI_TRANSITIONS=72} [2023-08-25 02:28:04,195 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -16 predicate places. [2023-08-25 02:28:04,195 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 72 transitions, 158 flow [2023-08-25 02:28:04,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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 02:28:04,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:04,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:04,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:28:04,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:28:04,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1042833404, now seen corresponding path program 1 times [2023-08-25 02:28:04,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:04,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260461408] [2023-08-25 02:28:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:28:04,622 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 02:28:04,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:28:04,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260461408] [2023-08-25 02:28:04,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260461408] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:28:04,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:28:04,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:28:04,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297427782] [2023-08-25 02:28:04,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:28:04,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:28:04,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:28:04,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:28:04,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:28:04,632 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 512 [2023-08-25 02:28:04,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 158 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 02:28:04,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:28:04,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 512 [2023-08-25 02:28:04,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:28:05,626 INFO L124 PetriNetUnfolderBase]: 2853/4686 cut-off events. [2023-08-25 02:28:05,626 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2023-08-25 02:28:05,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9429 conditions, 4686 events. 2853/4686 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 23536 event pairs, 2393 based on Foata normal form. 0/4348 useless extension candidates. Maximal degree in co-relation 9424. Up to 4319 conditions per place. [2023-08-25 02:28:05,647 INFO L140 encePairwiseOnDemand]: 498/512 looper letters, 85 selfloop transitions, 31 changer transitions 0/117 dead transitions. [2023-08-25 02:28:05,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 117 transitions, 480 flow [2023-08-25 02:28:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:28:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:28:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 980 transitions. [2023-08-25 02:28:05,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3190104166666667 [2023-08-25 02:28:05,652 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 980 transitions. [2023-08-25 02:28:05,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 980 transitions. [2023-08-25 02:28:05,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:05,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 980 transitions. [2023-08-25 02:28:05,654 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 02:28:05,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 512.0) internal successors, (3584), 7 states have internal predecessors, (3584), 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 02:28:05,660 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 512.0) internal successors, (3584), 7 states have internal predecessors, (3584), 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 02:28:05,660 INFO L175 Difference]: Start difference. First operand has 76 places, 72 transitions, 158 flow. Second operand 6 states and 980 transitions. [2023-08-25 02:28:05,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 117 transitions, 480 flow [2023-08-25 02:28:05,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 117 transitions, 478 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 02:28:05,663 INFO L231 Difference]: Finished difference. Result has 85 places, 101 transitions, 362 flow [2023-08-25 02:28:05,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=512, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=362, PETRI_PLACES=85, PETRI_TRANSITIONS=101} [2023-08-25 02:28:05,664 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -7 predicate places. [2023-08-25 02:28:05,664 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 101 transitions, 362 flow [2023-08-25 02:28:05,665 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 02:28:05,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:05,665 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:05,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:28:05,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 02:28:05,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:05,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1273338234, now seen corresponding path program 1 times [2023-08-25 02:28:05,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:05,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451895140] [2023-08-25 02:28:05,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:05,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:28:05,878 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 02:28:05,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:28:05,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451895140] [2023-08-25 02:28:05,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451895140] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:28:05,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:28:05,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:28:05,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762037534] [2023-08-25 02:28:05,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:28:05,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:28:05,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:28:05,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:28:05,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:28:05,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 512 [2023-08-25 02:28:05,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 101 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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 02:28:05,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:28:05,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 512 [2023-08-25 02:28:05,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:28:06,538 INFO L124 PetriNetUnfolderBase]: 1684/3594 cut-off events. [2023-08-25 02:28:06,538 INFO L125 PetriNetUnfolderBase]: For 1189/1218 co-relation queries the response was YES. [2023-08-25 02:28:06,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8106 conditions, 3594 events. 1684/3594 cut-off events. For 1189/1218 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 23978 event pairs, 893 based on Foata normal form. 3/3301 useless extension candidates. Maximal degree in co-relation 8097. Up to 2143 conditions per place. [2023-08-25 02:28:06,562 INFO L140 encePairwiseOnDemand]: 504/512 looper letters, 74 selfloop transitions, 7 changer transitions 0/118 dead transitions. [2023-08-25 02:28:06,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 118 transitions, 571 flow [2023-08-25 02:28:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:28:06,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:28:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2023-08-25 02:28:06,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4251302083333333 [2023-08-25 02:28:06,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 653 transitions. [2023-08-25 02:28:06,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 653 transitions. [2023-08-25 02:28:06,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:06,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 653 transitions. [2023-08-25 02:28:06,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 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 02:28:06,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 512.0) internal successors, (2048), 4 states have internal predecessors, (2048), 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 02:28:06,571 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 512.0) internal successors, (2048), 4 states have internal predecessors, (2048), 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 02:28:06,571 INFO L175 Difference]: Start difference. First operand has 85 places, 101 transitions, 362 flow. Second operand 3 states and 653 transitions. [2023-08-25 02:28:06,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 118 transitions, 571 flow [2023-08-25 02:28:06,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 118 transitions, 571 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:28:06,580 INFO L231 Difference]: Finished difference. Result has 89 places, 107 transitions, 424 flow [2023-08-25 02:28:06,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=512, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=89, PETRI_TRANSITIONS=107} [2023-08-25 02:28:06,581 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -3 predicate places. [2023-08-25 02:28:06,581 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 107 transitions, 424 flow [2023-08-25 02:28:06,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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 02:28:06,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:06,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:06,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:28:06,582 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 02:28:06,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:06,583 INFO L85 PathProgramCache]: Analyzing trace with hash 818780293, now seen corresponding path program 1 times [2023-08-25 02:28:06,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:06,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271959221] [2023-08-25 02:28:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:06,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:28:06,745 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 02:28:06,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:28:06,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271959221] [2023-08-25 02:28:06,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271959221] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:28:06,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:28:06,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:28:06,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148186454] [2023-08-25 02:28:06,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:28:06,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:28:06,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:28:06,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:28:06,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:28:06,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 512 [2023-08-25 02:28:06,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 107 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 02:28:06,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:28:06,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 512 [2023-08-25 02:28:06,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:28:07,495 INFO L124 PetriNetUnfolderBase]: 1915/4179 cut-off events. [2023-08-25 02:28:07,496 INFO L125 PetriNetUnfolderBase]: For 2884/2915 co-relation queries the response was YES. [2023-08-25 02:28:07,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10465 conditions, 4179 events. 1915/4179 cut-off events. For 2884/2915 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 29651 event pairs, 1009 based on Foata normal form. 3/3926 useless extension candidates. Maximal degree in co-relation 10454. Up to 2383 conditions per place. [2023-08-25 02:28:07,524 INFO L140 encePairwiseOnDemand]: 504/512 looper letters, 78 selfloop transitions, 12 changer transitions 0/127 dead transitions. [2023-08-25 02:28:07,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 127 transitions, 697 flow [2023-08-25 02:28:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:28:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:28:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2023-08-25 02:28:07,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244791666666667 [2023-08-25 02:28:07,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2023-08-25 02:28:07,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2023-08-25 02:28:07,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:07,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2023-08-25 02:28:07,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 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 02:28:07,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 512.0) internal successors, (2048), 4 states have internal predecessors, (2048), 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 02:28:07,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 512.0) internal successors, (2048), 4 states have internal predecessors, (2048), 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 02:28:07,533 INFO L175 Difference]: Start difference. First operand has 89 places, 107 transitions, 424 flow. Second operand 3 states and 652 transitions. [2023-08-25 02:28:07,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 127 transitions, 697 flow [2023-08-25 02:28:07,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 127 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 02:28:07,543 INFO L231 Difference]: Finished difference. Result has 91 places, 117 transitions, 534 flow [2023-08-25 02:28:07,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=512, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=91, PETRI_TRANSITIONS=117} [2023-08-25 02:28:07,545 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -1 predicate places. [2023-08-25 02:28:07,545 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 117 transitions, 534 flow [2023-08-25 02:28:07,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 02:28:07,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:07,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:07,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:28:07,546 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 02:28:07,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1151127788, now seen corresponding path program 1 times [2023-08-25 02:28:07,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:07,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21224301] [2023-08-25 02:28:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:28:07,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 02:28:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:28:07,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 02:28:07,681 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 02:28:07,681 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (30 of 31 remaining) [2023-08-25 02:28:07,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-08-25 02:28:07,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-08-25 02:28:07,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-08-25 02:28:07,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONASSERT (23 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-08-25 02:28:07,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (17 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONASSERT (14 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (13 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONASSERT (11 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2023-08-25 02:28:07,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-08-25 02:28:07,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-08-25 02:28:07,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:28:07,691 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-25 02:28:07,697 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:28:07,697 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:28:07,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:28:07 BasicIcfg [2023-08-25 02:28:07,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:28:07,752 INFO L158 Benchmark]: Toolchain (without parser) took 63419.86ms. Allocated memory was 341.8MB in the beginning and 469.8MB in the end (delta: 127.9MB). Free memory was 315.2MB in the beginning and 364.6MB in the end (delta: -49.3MB). Peak memory consumption was 81.4MB. Max. memory is 16.0GB. [2023-08-25 02:28:07,752 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 341.8MB. Free memory is still 319.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:28:07,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.68ms. Allocated memory is still 341.8MB. Free memory was 314.9MB in the beginning and 259.7MB in the end (delta: 55.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. [2023-08-25 02:28:07,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.61ms. Allocated memory is still 341.8MB. Free memory was 259.7MB in the beginning and 255.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:28:07,753 INFO L158 Benchmark]: Boogie Preprocessor took 71.01ms. Allocated memory is still 341.8MB. Free memory was 255.5MB in the beginning and 250.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:28:07,753 INFO L158 Benchmark]: RCFGBuilder took 956.45ms. Allocated memory was 341.8MB in the beginning and 469.8MB in the end (delta: 127.9MB). Free memory was 250.7MB in the beginning and 397.9MB in the end (delta: -147.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 02:28:07,753 INFO L158 Benchmark]: TraceAbstraction took 61488.32ms. Allocated memory is still 469.8MB. Free memory was 396.9MB in the beginning and 364.6MB in the end (delta: 32.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.0GB. [2023-08-25 02:28:07,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 341.8MB. Free memory is still 319.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 829.68ms. Allocated memory is still 341.8MB. Free memory was 314.9MB in the beginning and 259.7MB in the end (delta: 55.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 67.61ms. Allocated memory is still 341.8MB. Free memory was 259.7MB in the beginning and 255.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 71.01ms. Allocated memory is still 341.8MB. Free memory was 255.5MB in the beginning and 250.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 956.45ms. Allocated memory was 341.8MB in the beginning and 469.8MB in the end (delta: 127.9MB). Free memory was 250.7MB in the beginning and 397.9MB in the end (delta: -147.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 61488.32ms. Allocated memory is still 469.8MB. Free memory was 396.9MB in the beginning and 364.6MB in the end (delta: 32.3MB). Peak memory consumption was 35.5MB. 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: 56.1s, 251 PlacesBefore, 92 PlacesAfterwards, 254 TransitionsBefore, 89 TransitionsAfterwards, 7752 CoEnabledTransitionPairs, 9 FixpointIterations, 121 TrivialSequentialCompositions, 86 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 34 ConcurrentYvCompositions, 6 ChoiceCompositions, 255 TotalNumberOfCompositions, 42716 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8646, independent: 7343, independent conditional: 0, independent unconditional: 7343, dependent: 1303, dependent conditional: 0, dependent unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3832, independent: 3689, independent conditional: 0, independent unconditional: 3689, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8646, independent: 3654, independent conditional: 0, independent unconditional: 3654, dependent: 1160, dependent conditional: 0, dependent unconditional: 1160, unknown: 3832, unknown conditional: 0, unknown unconditional: 3832] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, 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, EXPR 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={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, 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={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) [L1750] COND TRUE 0 probe_ret==0 [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; [L1723] 0 data->shared.a = 3 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, pthread_mutex_lock (&data->lock)=0, status={5:0}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1726] 0 data->shared.b = 3 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1729] EXPR 0 data->shared.a [L1729] EXPR 0 data->shared.a==3 [L1729] 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_4-container_of.c", 14, __extension__ __PRETTY_FUNCTION__) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, 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: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1729]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1732]: 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: 1756]: 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: 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: 1759]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 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: 61.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 56.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 571 IncrementalHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 29 mSDtfsCounter, 571 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=534occurred 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, 1.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 24 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 02:28:07,781 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...