/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 05:53:52,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 05:53:52,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 05:53:52,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 05:53:52,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 05:53:52,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 05:53:52,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 05:53:52,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 05:53:52,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 05:53:52,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 05:53:52,333 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 05:53:52,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 05:53:52,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 05:53:52,334 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 05:53:52,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 05:53:52,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 05:53:52,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 05:53:52,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 05:53:52,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 05:53:52,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 05:53:52,336 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 05:53:52,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 05:53:52,337 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 05:53:52,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 05:53:52,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 05:53:52,337 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 05:53:52,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 05:53:52,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:53:52,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 05:53:52,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 05:53:52,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 05:53:52,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 05:53:52,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 05:53:52,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 05:53:52,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 05:53:52,340 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 05:53:52,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 05:53:52,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 05:53:52,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 05:53:52,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 05:53:52,707 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 05:53:52,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2023-08-26 05:53:53,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 05:53:54,104 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 05:53:54,105 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2023-08-26 05:53:54,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ce54cf1/d2f49548af594ef8a666067ad7a976b9/FLAG42190cdca [2023-08-26 05:53:54,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ce54cf1/d2f49548af594ef8a666067ad7a976b9 [2023-08-26 05:53:54,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 05:53:54,135 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 05:53:54,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 05:53:54,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 05:53:54,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 05:53:54,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dd60e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54, skipping insertion in model container [2023-08-26 05:53:54,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,179 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 05:53:54,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:53:54,546 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 05:53:54,577 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 05:53:54,579 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 05:53:54,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:53:54,648 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:53:54,648 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:53:54,654 INFO L206 MainTranslator]: Completed translation [2023-08-26 05:53:54,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54 WrapperNode [2023-08-26 05:53:54,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 05:53:54,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 05:53:54,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 05:53:54,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 05:53:54,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,714 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2023-08-26 05:53:54,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 05:53:54,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 05:53:54,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 05:53:54,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 05:53:54,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 05:53:54,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 05:53:54,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 05:53:54,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 05:53:54,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (1/1) ... [2023-08-26 05:53:54,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:53:54,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 05:53:54,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-26 05:53:54,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-26 05:53:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 05:53:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 05:53:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 05:53:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 05:53:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 05:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 05:53:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 05:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 05:53:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 05:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 05:53:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 05:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 05:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 05:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 05:53:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 05:53:54,844 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 05:53:55,005 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 05:53:55,009 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 05:53:55,283 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 05:53:55,418 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 05:53:55,418 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 05:53:55,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:53:55 BoogieIcfgContainer [2023-08-26 05:53:55,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 05:53:55,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 05:53:55,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 05:53:55,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 05:53:55,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 05:53:54" (1/3) ... [2023-08-26 05:53:55,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c688fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:53:55, skipping insertion in model container [2023-08-26 05:53:55,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:54" (2/3) ... [2023-08-26 05:53:55,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c688fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:53:55, skipping insertion in model container [2023-08-26 05:53:55,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:53:55" (3/3) ... [2023-08-26 05:53:55,427 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2023-08-26 05:53:55,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 05:53:55,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2023-08-26 05:53:55,442 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 05:53:55,489 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 05:53:55,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 249 flow [2023-08-26 05:53:55,555 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2023-08-26 05:53:55,555 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:53:55,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 139 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 96. Up to 2 conditions per place. [2023-08-26 05:53:55,560 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 117 transitions, 249 flow [2023-08-26 05:53:55,564 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 114 transitions, 237 flow [2023-08-26 05:53:55,567 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 05:53:55,575 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 114 transitions, 237 flow [2023-08-26 05:53:55,577 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 114 transitions, 237 flow [2023-08-26 05:53:55,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions, 237 flow [2023-08-26 05:53:55,601 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2023-08-26 05:53:55,601 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:53:55,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 139 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 96. Up to 2 conditions per place. [2023-08-26 05:53:55,604 INFO L119 LiptonReduction]: Number of co-enabled transitions 4158 [2023-08-26 05:53:59,855 INFO L134 LiptonReduction]: Checked pairs total: 16719 [2023-08-26 05:53:59,855 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-08-26 05:53:59,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 05:53:59,881 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;@79884731, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 05:53:59,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2023-08-26 05:53:59,885 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 05:53:59,885 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-26 05:53:59,885 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:53:59,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:59,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-26 05:53:59,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:53:59,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:59,891 INFO L85 PathProgramCache]: Analyzing trace with hash 613485, now seen corresponding path program 1 times [2023-08-26 05:53:59,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:59,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643533472] [2023-08-26 05:53:59,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:59,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:00,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:00,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643533472] [2023-08-26 05:54:00,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643533472] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:00,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:00,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 05:54:00,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098235034] [2023-08-26 05:54:00,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:00,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 05:54:00,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:00,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 05:54:00,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 05:54:00,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 221 [2023-08-26 05:54:00,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 42 transitions, 93 flow. Second operand has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:00,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 221 [2023-08-26 05:54:00,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:00,244 INFO L124 PetriNetUnfolderBase]: 567/864 cut-off events. [2023-08-26 05:54:00,244 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-08-26 05:54:00,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 864 events. 567/864 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3200 event pairs, 567 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 1764. Up to 865 conditions per place. [2023-08-26 05:54:00,251 INFO L140 encePairwiseOnDemand]: 197/221 looper letters, 17 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2023-08-26 05:54:00,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 18 transitions, 81 flow [2023-08-26 05:54:00,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 05:54:00,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 05:54:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 196 transitions. [2023-08-26 05:54:00,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4434389140271493 [2023-08-26 05:54:00,263 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 196 transitions. [2023-08-26 05:54:00,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 196 transitions. [2023-08-26 05:54:00,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:00,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 196 transitions. [2023-08-26 05:54:00,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,273 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,274 INFO L175 Difference]: Start difference. First operand has 52 places, 42 transitions, 93 flow. Second operand 2 states and 196 transitions. [2023-08-26 05:54:00,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 18 transitions, 81 flow [2023-08-26 05:54:00,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-26 05:54:00,278 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 40 flow [2023-08-26 05:54:00,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2023-08-26 05:54:00,283 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -26 predicate places. [2023-08-26 05:54:00,283 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 40 flow [2023-08-26 05:54:00,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:00,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:00,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 05:54:00,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:00,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:00,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1014425583, now seen corresponding path program 1 times [2023-08-26 05:54:00,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:00,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333449017] [2023-08-26 05:54:00,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:00,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:00,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333449017] [2023-08-26 05:54:00,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333449017] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:00,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:00,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 05:54:00,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234683356] [2023-08-26 05:54:00,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:00,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 05:54:00,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:00,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 05:54:00,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 05:54:00,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 221 [2023-08-26 05:54:00,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:00,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 221 [2023-08-26 05:54:00,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:00,534 INFO L124 PetriNetUnfolderBase]: 412/641 cut-off events. [2023-08-26 05:54:00,535 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:54:00,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1327 conditions, 641 events. 412/641 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2342 event pairs, 133 based on Foata normal form. 4/645 useless extension candidates. Maximal degree in co-relation 1324. Up to 614 conditions per place. [2023-08-26 05:54:00,539 INFO L140 encePairwiseOnDemand]: 217/221 looper letters, 24 selfloop transitions, 3 changer transitions 0/27 dead transitions. [2023-08-26 05:54:00,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 27 transitions, 118 flow [2023-08-26 05:54:00,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 05:54:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 05:54:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2023-08-26 05:54:00,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3861236802413273 [2023-08-26 05:54:00,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2023-08-26 05:54:00,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2023-08-26 05:54:00,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:00,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2023-08-26 05:54:00,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,546 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,546 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 40 flow. Second operand 3 states and 256 transitions. [2023-08-26 05:54:00,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 27 transitions, 118 flow [2023-08-26 05:54:00,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 27 transitions, 118 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 05:54:00,547 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 59 flow [2023-08-26 05:54:00,547 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2023-08-26 05:54:00,548 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -24 predicate places. [2023-08-26 05:54:00,548 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 59 flow [2023-08-26 05:54:00,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:00,548 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:00,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 05:54:00,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:00,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1382422781, now seen corresponding path program 1 times [2023-08-26 05:54:00,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:00,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137524470] [2023-08-26 05:54:00,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:00,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:00,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:00,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137524470] [2023-08-26 05:54:00,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137524470] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:00,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:00,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 05:54:00,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001707146] [2023-08-26 05:54:00,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:00,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 05:54:00,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:00,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 05:54:00,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 05:54:00,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 221 [2023-08-26 05:54:00,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:00,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 221 [2023-08-26 05:54:00,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:00,689 INFO L124 PetriNetUnfolderBase]: 343/544 cut-off events. [2023-08-26 05:54:00,690 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES. [2023-08-26 05:54:00,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1276 conditions, 544 events. 343/544 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1836 event pairs, 159 based on Foata normal form. 28/572 useless extension candidates. Maximal degree in co-relation 1271. Up to 289 conditions per place. [2023-08-26 05:54:00,693 INFO L140 encePairwiseOnDemand]: 218/221 looper letters, 24 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2023-08-26 05:54:00,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 26 transitions, 127 flow [2023-08-26 05:54:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 05:54:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 05:54:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2023-08-26 05:54:00,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3815987933634992 [2023-08-26 05:54:00,696 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2023-08-26 05:54:00,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2023-08-26 05:54:00,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:00,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2023-08-26 05:54:00,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,700 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 59 flow. Second operand 3 states and 253 transitions. [2023-08-26 05:54:00,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 26 transitions, 127 flow [2023-08-26 05:54:00,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 26 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 05:54:00,702 INFO L231 Difference]: Finished difference. Result has 30 places, 19 transitions, 64 flow [2023-08-26 05:54:00,702 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=30, PETRI_TRANSITIONS=19} [2023-08-26 05:54:00,702 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -22 predicate places. [2023-08-26 05:54:00,703 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 19 transitions, 64 flow [2023-08-26 05:54:00,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,703 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:00,703 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:00,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 05:54:00,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:00,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:00,704 INFO L85 PathProgramCache]: Analyzing trace with hash 92619107, now seen corresponding path program 1 times [2023-08-26 05:54:00,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:00,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210047302] [2023-08-26 05:54:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:00,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:00,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:00,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210047302] [2023-08-26 05:54:00,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210047302] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:00,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:00,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 05:54:00,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905451991] [2023-08-26 05:54:00,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:00,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 05:54:00,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:00,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 05:54:00,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 05:54:00,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 221 [2023-08-26 05:54:00,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 19 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:00,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 221 [2023-08-26 05:54:00,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:00,880 INFO L124 PetriNetUnfolderBase]: 439/704 cut-off events. [2023-08-26 05:54:00,880 INFO L125 PetriNetUnfolderBase]: For 181/181 co-relation queries the response was YES. [2023-08-26 05:54:00,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1692 conditions, 704 events. 439/704 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2801 event pairs, 211 based on Foata normal form. 32/736 useless extension candidates. Maximal degree in co-relation 1686. Up to 441 conditions per place. [2023-08-26 05:54:00,884 INFO L140 encePairwiseOnDemand]: 218/221 looper letters, 21 selfloop transitions, 2 changer transitions 4/27 dead transitions. [2023-08-26 05:54:00,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 27 transitions, 137 flow [2023-08-26 05:54:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 05:54:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 05:54:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2023-08-26 05:54:00,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38461538461538464 [2023-08-26 05:54:00,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 255 transitions. [2023-08-26 05:54:00,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 255 transitions. [2023-08-26 05:54:00,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:00,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 255 transitions. [2023-08-26 05:54:00,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,888 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,888 INFO L175 Difference]: Start difference. First operand has 30 places, 19 transitions, 64 flow. Second operand 3 states and 255 transitions. [2023-08-26 05:54:00,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 27 transitions, 137 flow [2023-08-26 05:54:00,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 27 transitions, 131 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 05:54:00,891 INFO L231 Difference]: Finished difference. Result has 31 places, 17 transitions, 60 flow [2023-08-26 05:54:00,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=31, PETRI_TRANSITIONS=17} [2023-08-26 05:54:00,891 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -21 predicate places. [2023-08-26 05:54:00,892 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 17 transitions, 60 flow [2023-08-26 05:54:00,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:00,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:00,892 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:00,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 05:54:00,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:00,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:00,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1427025179, now seen corresponding path program 1 times [2023-08-26 05:54:00,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:00,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901736905] [2023-08-26 05:54:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:00,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:01,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:01,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901736905] [2023-08-26 05:54:01,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901736905] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:01,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:01,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 05:54:01,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702013333] [2023-08-26 05:54:01,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:01,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 05:54:01,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:01,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 05:54:01,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 05:54:01,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 221 [2023-08-26 05:54:01,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 17 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:01,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 221 [2023-08-26 05:54:01,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:01,049 INFO L124 PetriNetUnfolderBase]: 145/257 cut-off events. [2023-08-26 05:54:01,049 INFO L125 PetriNetUnfolderBase]: For 144/144 co-relation queries the response was YES. [2023-08-26 05:54:01,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 675 conditions, 257 events. 145/257 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 814 event pairs, 41 based on Foata normal form. 21/278 useless extension candidates. Maximal degree in co-relation 668. Up to 206 conditions per place. [2023-08-26 05:54:01,051 INFO L140 encePairwiseOnDemand]: 216/221 looper letters, 24 selfloop transitions, 4 changer transitions 0/28 dead transitions. [2023-08-26 05:54:01,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 28 transitions, 151 flow [2023-08-26 05:54:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 05:54:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 05:54:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2023-08-26 05:54:01,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38763197586727 [2023-08-26 05:54:01,052 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2023-08-26 05:54:01,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2023-08-26 05:54:01,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:01,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2023-08-26 05:54:01,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,055 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,055 INFO L175 Difference]: Start difference. First operand has 31 places, 17 transitions, 60 flow. Second operand 3 states and 257 transitions. [2023-08-26 05:54:01,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 28 transitions, 151 flow [2023-08-26 05:54:01,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 28 transitions, 137 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-26 05:54:01,057 INFO L231 Difference]: Finished difference. Result has 31 places, 20 transitions, 78 flow [2023-08-26 05:54:01,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=31, PETRI_TRANSITIONS=20} [2023-08-26 05:54:01,058 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -21 predicate places. [2023-08-26 05:54:01,058 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 20 transitions, 78 flow [2023-08-26 05:54:01,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:01,058 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:01,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 05:54:01,059 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:01,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:01,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1288146127, now seen corresponding path program 1 times [2023-08-26 05:54:01,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:01,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576956629] [2023-08-26 05:54:01,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:01,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:01,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:01,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576956629] [2023-08-26 05:54:01,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576956629] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:01,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:01,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 05:54:01,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072504279] [2023-08-26 05:54:01,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:01,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 05:54:01,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:01,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 05:54:01,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-26 05:54:01,149 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 221 [2023-08-26 05:54:01,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 20 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:01,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 221 [2023-08-26 05:54:01,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:01,200 INFO L124 PetriNetUnfolderBase]: 80/159 cut-off events. [2023-08-26 05:54:01,200 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-08-26 05:54:01,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 159 events. 80/159 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 451 event pairs, 24 based on Foata normal form. 22/181 useless extension candidates. Maximal degree in co-relation 471. Up to 59 conditions per place. [2023-08-26 05:54:01,201 INFO L140 encePairwiseOnDemand]: 216/221 looper letters, 29 selfloop transitions, 7 changer transitions 0/36 dead transitions. [2023-08-26 05:54:01,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 197 flow [2023-08-26 05:54:01,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 05:54:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 05:54:01,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 341 transitions. [2023-08-26 05:54:01,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38574660633484165 [2023-08-26 05:54:01,203 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 341 transitions. [2023-08-26 05:54:01,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 341 transitions. [2023-08-26 05:54:01,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:01,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 341 transitions. [2023-08-26 05:54:01,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,207 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,207 INFO L175 Difference]: Start difference. First operand has 31 places, 20 transitions, 78 flow. Second operand 4 states and 341 transitions. [2023-08-26 05:54:01,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 197 flow [2023-08-26 05:54:01,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 36 transitions, 188 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-26 05:54:01,208 INFO L231 Difference]: Finished difference. Result has 33 places, 23 transitions, 110 flow [2023-08-26 05:54:01,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2023-08-26 05:54:01,209 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -19 predicate places. [2023-08-26 05:54:01,209 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 23 transitions, 110 flow [2023-08-26 05:54:01,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:01,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:01,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 05:54:01,210 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:01,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:01,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1044035298, now seen corresponding path program 1 times [2023-08-26 05:54:01,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:01,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321613833] [2023-08-26 05:54:01,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:01,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:01,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:01,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321613833] [2023-08-26 05:54:01,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321613833] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:01,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:01,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-26 05:54:01,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919228137] [2023-08-26 05:54:01,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:01,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-26 05:54:01,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:01,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-26 05:54:01,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-26 05:54:01,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 221 [2023-08-26 05:54:01,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 78.8) internal successors, (394), 5 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:01,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 221 [2023-08-26 05:54:01,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:01,383 INFO L124 PetriNetUnfolderBase]: 66/131 cut-off events. [2023-08-26 05:54:01,383 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES. [2023-08-26 05:54:01,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 131 events. 66/131 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 357 event pairs, 22 based on Foata normal form. 8/139 useless extension candidates. Maximal degree in co-relation 413. Up to 53 conditions per place. [2023-08-26 05:54:01,384 INFO L140 encePairwiseOnDemand]: 216/221 looper letters, 26 selfloop transitions, 10 changer transitions 0/36 dead transitions. [2023-08-26 05:54:01,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 36 transitions, 216 flow [2023-08-26 05:54:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 05:54:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 05:54:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 417 transitions. [2023-08-26 05:54:01,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3773755656108597 [2023-08-26 05:54:01,386 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 417 transitions. [2023-08-26 05:54:01,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 417 transitions. [2023-08-26 05:54:01,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:01,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 417 transitions. [2023-08-26 05:54:01,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,390 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,390 INFO L175 Difference]: Start difference. First operand has 33 places, 23 transitions, 110 flow. Second operand 5 states and 417 transitions. [2023-08-26 05:54:01,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 36 transitions, 216 flow [2023-08-26 05:54:01,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 36 transitions, 189 flow, removed 5 selfloop flow, removed 4 redundant places. [2023-08-26 05:54:01,392 INFO L231 Difference]: Finished difference. Result has 34 places, 23 transitions, 116 flow [2023-08-26 05:54:01,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=34, PETRI_TRANSITIONS=23} [2023-08-26 05:54:01,392 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -18 predicate places. [2023-08-26 05:54:01,392 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 23 transitions, 116 flow [2023-08-26 05:54:01,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.8) internal successors, (394), 5 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:01,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:01,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 05:54:01,393 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:01,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:01,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1390074439, now seen corresponding path program 1 times [2023-08-26 05:54:01,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:01,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720090708] [2023-08-26 05:54:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:01,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:01,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720090708] [2023-08-26 05:54:01,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720090708] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:01,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:01,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 05:54:01,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406558789] [2023-08-26 05:54:01,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:01,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 05:54:01,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:01,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 05:54:01,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 05:54:01,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 221 [2023-08-26 05:54:01,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 23 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:01,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 221 [2023-08-26 05:54:01,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:01,509 INFO L124 PetriNetUnfolderBase]: 81/165 cut-off events. [2023-08-26 05:54:01,509 INFO L125 PetriNetUnfolderBase]: For 230/230 co-relation queries the response was YES. [2023-08-26 05:54:01,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 165 events. 81/165 cut-off events. For 230/230 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 555 event pairs, 5 based on Foata normal form. 1/166 useless extension candidates. Maximal degree in co-relation 525. Up to 98 conditions per place. [2023-08-26 05:54:01,510 INFO L140 encePairwiseOnDemand]: 218/221 looper letters, 27 selfloop transitions, 1 changer transitions 17/45 dead transitions. [2023-08-26 05:54:01,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 335 flow [2023-08-26 05:54:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 05:54:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 05:54:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2023-08-26 05:54:01,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3755656108597285 [2023-08-26 05:54:01,512 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 332 transitions. [2023-08-26 05:54:01,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 332 transitions. [2023-08-26 05:54:01,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:01,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 332 transitions. [2023-08-26 05:54:01,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,515 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,515 INFO L175 Difference]: Start difference. First operand has 34 places, 23 transitions, 116 flow. Second operand 4 states and 332 transitions. [2023-08-26 05:54:01,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 335 flow [2023-08-26 05:54:01,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 279 flow, removed 12 selfloop flow, removed 3 redundant places. [2023-08-26 05:54:01,519 INFO L231 Difference]: Finished difference. Result has 36 places, 23 transitions, 97 flow [2023-08-26 05:54:01,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=97, PETRI_PLACES=36, PETRI_TRANSITIONS=23} [2023-08-26 05:54:01,521 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -16 predicate places. [2023-08-26 05:54:01,521 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 23 transitions, 97 flow [2023-08-26 05:54:01,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:54:01,522 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:01,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 05:54:01,522 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-26 05:54:01,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:54:01,523 INFO L85 PathProgramCache]: Analyzing trace with hash 768553699, now seen corresponding path program 2 times [2023-08-26 05:54:01,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:54:01,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768363972] [2023-08-26 05:54:01,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:54:01,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:54:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:54:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:54:01,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:54:01,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768363972] [2023-08-26 05:54:01,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768363972] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:54:01,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:54:01,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 05:54:01,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604522522] [2023-08-26 05:54:01,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:54:01,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 05:54:01,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:54:01,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 05:54:01,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 05:54:01,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 221 [2023-08-26 05:54:01,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:54:01,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 221 [2023-08-26 05:54:01,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:54:01,631 INFO L124 PetriNetUnfolderBase]: 58/128 cut-off events. [2023-08-26 05:54:01,631 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2023-08-26 05:54:01,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 128 events. 58/128 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 377 event pairs, 17 based on Foata normal form. 1/129 useless extension candidates. Maximal degree in co-relation 386. Up to 49 conditions per place. [2023-08-26 05:54:01,631 INFO L140 encePairwiseOnDemand]: 218/221 looper letters, 0 selfloop transitions, 0 changer transitions 36/36 dead transitions. [2023-08-26 05:54:01,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 36 transitions, 236 flow [2023-08-26 05:54:01,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 05:54:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 05:54:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 326 transitions. [2023-08-26 05:54:01,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36877828054298645 [2023-08-26 05:54:01,633 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 326 transitions. [2023-08-26 05:54:01,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 326 transitions. [2023-08-26 05:54:01,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:54:01,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 326 transitions. [2023-08-26 05:54:01,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,636 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,636 INFO L175 Difference]: Start difference. First operand has 36 places, 23 transitions, 97 flow. Second operand 4 states and 326 transitions. [2023-08-26 05:54:01,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 36 transitions, 236 flow [2023-08-26 05:54:01,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 36 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 05:54:01,637 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2023-08-26 05:54:01,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2023-08-26 05:54:01,638 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -16 predicate places. [2023-08-26 05:54:01,638 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow [2023-08-26 05:54:01,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:54:01,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2023-08-26 05:54:01,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2023-08-26 05:54:01,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2023-08-26 05:54:01,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2023-08-26 05:54:01,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining) [2023-08-26 05:54:01,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2023-08-26 05:54:01,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2023-08-26 05:54:01,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2023-08-26 05:54:01,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2023-08-26 05:54:01,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2023-08-26 05:54:01,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONASSERT (18 of 43 remaining) [2023-08-26 05:54:01,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 43 remaining) [2023-08-26 05:54:01,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2023-08-26 05:54:01,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 43 remaining) [2023-08-26 05:54:01,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2023-08-26 05:54:01,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2023-08-26 05:54:01,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2023-08-26 05:54:01,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2023-08-26 05:54:01,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2023-08-26 05:54:01,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2023-08-26 05:54:01,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2023-08-26 05:54:01,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 43 remaining) [2023-08-26 05:54:01,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 05:54:01,647 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:54:01,652 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 05:54:01,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 05:54:01,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 05:54:01 BasicIcfg [2023-08-26 05:54:01,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 05:54:01,655 INFO L158 Benchmark]: Toolchain (without parser) took 7520.41ms. Allocated memory was 329.3MB in the beginning and 396.4MB in the end (delta: 67.1MB). Free memory was 304.4MB in the beginning and 291.5MB in the end (delta: 12.9MB). Peak memory consumption was 81.6MB. Max. memory is 16.0GB. [2023-08-26 05:54:01,655 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 329.3MB. Free memory is still 305.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 05:54:01,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.63ms. Allocated memory is still 329.3MB. Free memory was 304.4MB in the beginning and 283.4MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 05:54:01,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.96ms. Allocated memory is still 329.3MB. Free memory was 283.4MB in the beginning and 281.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 05:54:01,656 INFO L158 Benchmark]: Boogie Preprocessor took 36.51ms. Allocated memory is still 329.3MB. Free memory was 281.3MB in the beginning and 279.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 05:54:01,656 INFO L158 Benchmark]: RCFGBuilder took 652.75ms. Allocated memory is still 329.3MB. Free memory was 279.8MB in the beginning and 299.0MB in the end (delta: -19.2MB). Peak memory consumption was 33.3MB. Max. memory is 16.0GB. [2023-08-26 05:54:01,656 INFO L158 Benchmark]: TraceAbstraction took 6233.00ms. Allocated memory was 329.3MB in the beginning and 396.4MB in the end (delta: 67.1MB). Free memory was 299.0MB in the beginning and 291.5MB in the end (delta: 7.5MB). Peak memory consumption was 75.6MB. Max. memory is 16.0GB. [2023-08-26 05:54:01,658 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 329.3MB. Free memory is still 305.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 519.63ms. Allocated memory is still 329.3MB. Free memory was 304.4MB in the beginning and 283.4MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 58.96ms. Allocated memory is still 329.3MB. Free memory was 283.4MB in the beginning and 281.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 36.51ms. Allocated memory is still 329.3MB. Free memory was 281.3MB in the beginning and 279.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 652.75ms. Allocated memory is still 329.3MB. Free memory was 279.8MB in the beginning and 299.0MB in the end (delta: -19.2MB). Peak memory consumption was 33.3MB. Max. memory is 16.0GB. * TraceAbstraction took 6233.00ms. Allocated memory was 329.3MB in the beginning and 396.4MB in the end (delta: 67.1MB). Free memory was 299.0MB in the beginning and 291.5MB in the end (delta: 7.5MB). Peak memory consumption was 75.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 121 PlacesBefore, 52 PlacesAfterwards, 114 TransitionsBefore, 42 TransitionsAfterwards, 4158 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 3 ChoiceCompositions, 104 TotalNumberOfCompositions, 16719 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6185, independent: 5845, independent conditional: 0, independent unconditional: 5845, dependent: 340, dependent conditional: 0, dependent unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2259, independent: 2181, independent conditional: 0, independent unconditional: 2181, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6185, independent: 3664, independent conditional: 0, independent unconditional: 3664, dependent: 262, dependent conditional: 0, dependent unconditional: 262, unknown: 2259, unknown conditional: 0, unknown unconditional: 2259] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 245, Positive conditional cache size: 0, Positive unconditional cache size: 245, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 154 locations, 43 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: 6.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=7, InterpolantAutomatonStates: 31, 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, 0.6s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 05:54:01,675 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...