/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe037.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:13:52,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:13:52,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 02:13:52,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:13:52,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:13:52,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:13:52,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:13:52,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:13:52,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:13:52,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:13:52,217 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:13:52,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:13:52,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:13:52,218 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:13:52,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:13:52,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:13:52,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:13:52,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:13:52,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:13:52,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:13:52,220 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:13:52,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:13:52,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:13:52,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:13:52,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:13:52,226 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:13:52,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:13:52,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:13:52,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:13:52,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:13:52,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:13:52,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:13:52,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:13:52,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:13:52,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:13:52,229 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:13:52,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:13:52,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:13:52,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:13:52,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:13:52,548 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:13:52,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037.i [2023-08-25 02:13:53,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:13:54,031 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:13:54,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i [2023-08-25 02:13:54,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0765caea0/ccae431af6bb43f896e7db577fc086ae/FLAGf4fe4d198 [2023-08-25 02:13:54,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0765caea0/ccae431af6bb43f896e7db577fc086ae [2023-08-25 02:13:54,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:13:54,057 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:13:54,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:13:54,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:13:54,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:13:54,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794919ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54, skipping insertion in model container [2023-08-25 02:13:54,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,100 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:13:54,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:13:54,460 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:13:54,489 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 02:13:54,490 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 02:13:54,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:13:54,543 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:13:54,543 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:13:54,549 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:13:54,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54 WrapperNode [2023-08-25 02:13:54,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:13:54,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:13:54,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:13:54,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:13:54,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,609 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2023-08-25 02:13:54,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:13:54,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:13:54,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:13:54,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:13:54,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:13:54,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:13:54,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:13:54,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:13:54,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (1/1) ... [2023-08-25 02:13:54,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:13:54,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:13:54,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 02:13:54,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 02:13:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:13:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 02:13:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:13:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:13:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:13:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 02:13:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 02:13:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 02:13:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 02:13:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 02:13:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 02:13:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:13:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 02:13:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:13:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:13:54,733 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 02:13:54,839 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:13:54,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:13:55,038 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:13:55,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:13:55,165 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:13:55,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:13:55 BoogieIcfgContainer [2023-08-25 02:13:55,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:13:55,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:13:55,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:13:55,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:13:55,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:13:54" (1/3) ... [2023-08-25 02:13:55,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b3b3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:13:55, skipping insertion in model container [2023-08-25 02:13:55,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:13:54" (2/3) ... [2023-08-25 02:13:55,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b3b3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:13:55, skipping insertion in model container [2023-08-25 02:13:55,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:13:55" (3/3) ... [2023-08-25 02:13:55,175 INFO L112 eAbstractionObserver]: Analyzing ICFG safe037.i [2023-08-25 02:13:55,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:13:55,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-08-25 02:13:55,189 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:13:55,249 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 02:13:55,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 249 flow [2023-08-25 02:13:55,313 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2023-08-25 02:13:55,314 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:13:55,318 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 128 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2023-08-25 02:13:55,318 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 117 transitions, 249 flow [2023-08-25 02:13:55,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 114 transitions, 237 flow [2023-08-25 02:13:55,325 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:13:55,336 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 114 transitions, 237 flow [2023-08-25 02:13:55,342 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 114 transitions, 237 flow [2023-08-25 02:13:55,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions, 237 flow [2023-08-25 02:13:55,380 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2023-08-25 02:13:55,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:13:55,381 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 128 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2023-08-25 02:13:55,385 INFO L119 LiptonReduction]: Number of co-enabled transitions 4092 [2023-08-25 02:13:58,945 INFO L134 LiptonReduction]: Checked pairs total: 14253 [2023-08-25 02:13:58,945 INFO L136 LiptonReduction]: Total number of compositions: 116 [2023-08-25 02:13:58,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:13:58,960 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;@42395445, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:13:58,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-08-25 02:13:58,962 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:13:58,962 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-25 02:13:58,962 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:13:58,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:13:58,963 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-25 02:13:58,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-08-25 02:13:58,967 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:13:58,967 INFO L85 PathProgramCache]: Analyzing trace with hash 595387, now seen corresponding path program 1 times [2023-08-25 02:13:58,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:13:58,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795135211] [2023-08-25 02:13:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:13:58,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:13:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:13:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:13:59,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:13:59,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795135211] [2023-08-25 02:13:59,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795135211] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:13:59,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:13:59,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 02:13:59,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637427071] [2023-08-25 02:13:59,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:13:59,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:13:59,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:13:59,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:13:59,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:13:59,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 233 [2023-08-25 02:13:59,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 93 flow. Second operand has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:13:59,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 233 [2023-08-25 02:13:59,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:13:59,271 INFO L124 PetriNetUnfolderBase]: 567/864 cut-off events. [2023-08-25 02:13:59,271 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-08-25 02:13:59,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 864 events. 567/864 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3171 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. [2023-08-25 02:13:59,277 INFO L140 encePairwiseOnDemand]: 209/233 looper letters, 17 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2023-08-25 02:13:59,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 18 transitions, 81 flow [2023-08-25 02:13:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:13:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:13:59,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 198 transitions. [2023-08-25 02:13:59,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4248927038626609 [2023-08-25 02:13:59,292 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 198 transitions. [2023-08-25 02:13:59,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 198 transitions. [2023-08-25 02:13:59,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:13:59,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 198 transitions. [2023-08-25 02:13:59,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,304 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,306 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 93 flow. Second operand 2 states and 198 transitions. [2023-08-25 02:13:59,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 18 transitions, 81 flow [2023-08-25 02:13:59,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 02:13:59,310 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 40 flow [2023-08-25 02:13:59,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, 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} [2023-08-25 02:13:59,317 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -25 predicate places. [2023-08-25 02:13:59,317 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 40 flow [2023-08-25 02:13:59,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,318 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:13:59,318 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:13:59,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:13:59,319 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-08-25 02:13:59,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:13:59,327 INFO L85 PathProgramCache]: Analyzing trace with hash 637080348, now seen corresponding path program 1 times [2023-08-25 02:13:59,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:13:59,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770368177] [2023-08-25 02:13:59,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:13:59,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:13:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:13:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:13:59,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:13:59,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770368177] [2023-08-25 02:13:59,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770368177] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:13:59,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:13:59,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:13:59,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302732343] [2023-08-25 02:13:59,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:13:59,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:13:59,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:13:59,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:13:59,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:13:59,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 233 [2023-08-25 02:13:59,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 40 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) [2023-08-25 02:13:59,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:13:59,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 233 [2023-08-25 02:13:59,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:13:59,694 INFO L124 PetriNetUnfolderBase]: 261/440 cut-off events. [2023-08-25 02:13:59,694 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:13:59,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 440 events. 261/440 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1561 event pairs, 79 based on Foata normal form. 27/467 useless extension candidates. Maximal degree in co-relation 922. Up to 333 conditions per place. [2023-08-25 02:13:59,698 INFO L140 encePairwiseOnDemand]: 228/233 looper letters, 26 selfloop transitions, 4 changer transitions 0/30 dead transitions. [2023-08-25 02:13:59,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 30 transitions, 130 flow [2023-08-25 02:13:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:13:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:13:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions. [2023-08-25 02:13:59,704 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3748211731044349 [2023-08-25 02:13:59,704 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 262 transitions. [2023-08-25 02:13:59,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 262 transitions. [2023-08-25 02:13:59,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:13:59,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 262 transitions. [2023-08-25 02:13:59,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,710 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 40 flow. Second operand 3 states and 262 transitions. [2023-08-25 02:13:59,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 30 transitions, 130 flow [2023-08-25 02:13:59,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 30 transitions, 130 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:13:59,711 INFO L231 Difference]: Finished difference. Result has 28 places, 20 transitions, 66 flow [2023-08-25 02:13:59,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, 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=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=28, PETRI_TRANSITIONS=20} [2023-08-25 02:13:59,712 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -23 predicate places. [2023-08-25 02:13:59,713 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 20 transitions, 66 flow [2023-08-25 02:13:59,714 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) [2023-08-25 02:13:59,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:13:59,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:13:59,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:13:59,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-08-25 02:13:59,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:13:59,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1319601464, now seen corresponding path program 1 times [2023-08-25 02:13:59,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:13:59,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755220788] [2023-08-25 02:13:59,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:13:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:13:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:13:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:13:59,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:13:59,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755220788] [2023-08-25 02:13:59,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755220788] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:13:59,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:13:59,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:13:59,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446946632] [2023-08-25 02:13:59,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:13:59,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 02:13:59,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:13:59,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 02:13:59,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-25 02:13:59,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 233 [2023-08-25 02:13:59,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 20 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:13:59,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:13:59,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 233 [2023-08-25 02:13:59,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:14:00,019 INFO L124 PetriNetUnfolderBase]: 153/278 cut-off events. [2023-08-25 02:14:00,019 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-08-25 02:14:00,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 278 events. 153/278 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 911 event pairs, 58 based on Foata normal form. 27/305 useless extension candidates. Maximal degree in co-relation 722. Up to 108 conditions per place. [2023-08-25 02:14:00,021 INFO L140 encePairwiseOnDemand]: 228/233 looper letters, 34 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2023-08-25 02:14:00,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 41 transitions, 202 flow [2023-08-25 02:14:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 02:14:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 02:14:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 350 transitions. [2023-08-25 02:14:00,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37553648068669526 [2023-08-25 02:14:00,023 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 350 transitions. [2023-08-25 02:14:00,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 350 transitions. [2023-08-25 02:14:00,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:14:00,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 350 transitions. [2023-08-25 02:14:00,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.5) internal successors, (350), 4 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,027 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,027 INFO L175 Difference]: Start difference. First operand has 28 places, 20 transitions, 66 flow. Second operand 4 states and 350 transitions. [2023-08-25 02:14:00,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 41 transitions, 202 flow [2023-08-25 02:14:00,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 41 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 02:14:00,029 INFO L231 Difference]: Finished difference. Result has 31 places, 23 transitions, 102 flow [2023-08-25 02:14:00,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, 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=102, PETRI_PLACES=31, PETRI_TRANSITIONS=23} [2023-08-25 02:14:00,030 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -20 predicate places. [2023-08-25 02:14:00,030 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 23 transitions, 102 flow [2023-08-25 02:14:00,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:14:00,031 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:14:00,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:14:00,034 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-08-25 02:14:00,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:14:00,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2139838841, now seen corresponding path program 1 times [2023-08-25 02:14:00,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:14:00,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120909030] [2023-08-25 02:14:00,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:14:00,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:14:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:14:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:14:00,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:14:00,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120909030] [2023-08-25 02:14:00,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120909030] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:14:00,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:14:00,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 02:14:00,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786987506] [2023-08-25 02:14:00,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:14:00,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 02:14:00,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:14:00,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 02:14:00,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-25 02:14:00,196 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 233 [2023-08-25 02:14:00,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 23 transitions, 102 flow. Second operand has 5 states, 5 states have (on average 79.8) internal successors, (399), 5 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:14:00,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 233 [2023-08-25 02:14:00,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:14:00,274 INFO L124 PetriNetUnfolderBase]: 135/242 cut-off events. [2023-08-25 02:14:00,275 INFO L125 PetriNetUnfolderBase]: For 195/195 co-relation queries the response was YES. [2023-08-25 02:14:00,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 242 events. 135/242 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 773 event pairs, 56 based on Foata normal form. 9/251 useless extension candidates. Maximal degree in co-relation 684. Up to 108 conditions per place. [2023-08-25 02:14:00,276 INFO L140 encePairwiseOnDemand]: 228/233 looper letters, 31 selfloop transitions, 10 changer transitions 0/41 dead transitions. [2023-08-25 02:14:00,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 226 flow [2023-08-25 02:14:00,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 02:14:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 02:14:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 427 transitions. [2023-08-25 02:14:00,279 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3665236051502146 [2023-08-25 02:14:00,279 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 427 transitions. [2023-08-25 02:14:00,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 427 transitions. [2023-08-25 02:14:00,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:14:00,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 427 transitions. [2023-08-25 02:14:00,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 85.4) internal successors, (427), 5 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,283 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,283 INFO L175 Difference]: Start difference. First operand has 31 places, 23 transitions, 102 flow. Second operand 5 states and 427 transitions. [2023-08-25 02:14:00,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 226 flow [2023-08-25 02:14:00,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 41 transitions, 212 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-08-25 02:14:00,287 INFO L231 Difference]: Finished difference. Result has 34 places, 23 transitions, 116 flow [2023-08-25 02:14:00,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, 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} [2023-08-25 02:14:00,289 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -17 predicate places. [2023-08-25 02:14:00,289 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 23 transitions, 116 flow [2023-08-25 02:14:00,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.8) internal successors, (399), 5 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:14:00,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:14:00,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:14:00,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-08-25 02:14:00,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:14:00,291 INFO L85 PathProgramCache]: Analyzing trace with hash -885480489, now seen corresponding path program 1 times [2023-08-25 02:14:00,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:14:00,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774305429] [2023-08-25 02:14:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:14:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:14:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:14:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:14:00,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:14:00,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774305429] [2023-08-25 02:14:00,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774305429] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:14:00,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:14:00,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:14:00,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014160582] [2023-08-25 02:14:00,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:14:00,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 02:14:00,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:14:00,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 02:14:00,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 02:14:00,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 233 [2023-08-25 02:14:00,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 23 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:14:00,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 233 [2023-08-25 02:14:00,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:14:00,443 INFO L124 PetriNetUnfolderBase]: 157/289 cut-off events. [2023-08-25 02:14:00,443 INFO L125 PetriNetUnfolderBase]: For 328/328 co-relation queries the response was YES. [2023-08-25 02:14:00,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 289 events. 157/289 cut-off events. For 328/328 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1092 event pairs, 15 based on Foata normal form. 1/290 useless extension candidates. Maximal degree in co-relation 876. Up to 188 conditions per place. [2023-08-25 02:14:00,446 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 28 selfloop transitions, 1 changer transitions 19/48 dead transitions. [2023-08-25 02:14:00,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 48 transitions, 348 flow [2023-08-25 02:14:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 02:14:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 02:14:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 339 transitions. [2023-08-25 02:14:00,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36373390557939916 [2023-08-25 02:14:00,448 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 339 transitions. [2023-08-25 02:14:00,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 339 transitions. [2023-08-25 02:14:00,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:14:00,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 339 transitions. [2023-08-25 02:14:00,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.75) internal successors, (339), 4 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,451 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,451 INFO L175 Difference]: Start difference. First operand has 34 places, 23 transitions, 116 flow. Second operand 4 states and 339 transitions. [2023-08-25 02:14:00,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 48 transitions, 348 flow [2023-08-25 02:14:00,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 48 transitions, 292 flow, removed 12 selfloop flow, removed 3 redundant places. [2023-08-25 02:14:00,457 INFO L231 Difference]: Finished difference. Result has 36 places, 23 transitions, 97 flow [2023-08-25 02:14:00,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, 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} [2023-08-25 02:14:00,459 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -15 predicate places. [2023-08-25 02:14:00,460 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 23 transitions, 97 flow [2023-08-25 02:14:00,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:14:00,460 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:14:00,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:14:00,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-08-25 02:14:00,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:14:00,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1749213701, now seen corresponding path program 2 times [2023-08-25 02:14:00,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:14:00,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170864900] [2023-08-25 02:14:00,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:14:00,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:14:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:14:00,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:14:00,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:14:00,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170864900] [2023-08-25 02:14:00,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170864900] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:14:00,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:14:00,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:14:00,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195230261] [2023-08-25 02:14:00,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:14:00,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 02:14:00,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:14:00,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 02:14:00,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 02:14:00,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 233 [2023-08-25 02:14:00,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:14:00,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 233 [2023-08-25 02:14:00,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:14:00,606 INFO L124 PetriNetUnfolderBase]: 153/297 cut-off events. [2023-08-25 02:14:00,606 INFO L125 PetriNetUnfolderBase]: For 247/247 co-relation queries the response was YES. [2023-08-25 02:14:00,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 893 conditions, 297 events. 153/297 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1170 event pairs, 17 based on Foata normal form. 1/298 useless extension candidates. Maximal degree in co-relation 884. Up to 161 conditions per place. [2023-08-25 02:14:00,608 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 26 selfloop transitions, 1 changer transitions 20/47 dead transitions. [2023-08-25 02:14:00,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 47 transitions, 300 flow [2023-08-25 02:14:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 02:14:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 02:14:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 338 transitions. [2023-08-25 02:14:00,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3626609442060086 [2023-08-25 02:14:00,609 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 338 transitions. [2023-08-25 02:14:00,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 338 transitions. [2023-08-25 02:14:00,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:14:00,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 338 transitions. [2023-08-25 02:14:00,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,613 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,613 INFO L175 Difference]: Start difference. First operand has 36 places, 23 transitions, 97 flow. Second operand 4 states and 338 transitions. [2023-08-25 02:14:00,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 47 transitions, 300 flow [2023-08-25 02:14:00,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 47 transitions, 296 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 02:14:00,615 INFO L231 Difference]: Finished difference. Result has 38 places, 23 transitions, 101 flow [2023-08-25 02:14:00,615 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=33, 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=101, PETRI_PLACES=38, PETRI_TRANSITIONS=23} [2023-08-25 02:14:00,616 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -13 predicate places. [2023-08-25 02:14:00,616 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 23 transitions, 101 flow [2023-08-25 02:14:00,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:14:00,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:14:00,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:14:00,617 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-08-25 02:14:00,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:14:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1550760717, now seen corresponding path program 3 times [2023-08-25 02:14:00,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:14:00,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176030981] [2023-08-25 02:14:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:14:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:14:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:14:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 02:14:00,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:14:00,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176030981] [2023-08-25 02:14:00,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176030981] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:14:00,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:14:00,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:14:00,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319807383] [2023-08-25 02:14:00,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:14:00,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 02:14:00,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:14:00,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 02:14:00,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 02:14:00,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 233 [2023-08-25 02:14:00,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 23 transitions, 101 flow. Second operand has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:14:00,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 233 [2023-08-25 02:14:00,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:14:00,728 INFO L124 PetriNetUnfolderBase]: 111/233 cut-off events. [2023-08-25 02:14:00,728 INFO L125 PetriNetUnfolderBase]: For 253/253 co-relation queries the response was YES. [2023-08-25 02:14:00,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 233 events. 111/233 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 841 event pairs, 59 based on Foata normal form. 1/234 useless extension candidates. Maximal degree in co-relation 739. Up to 112 conditions per place. [2023-08-25 02:14:00,729 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2023-08-25 02:14:00,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 38 transitions, 256 flow [2023-08-25 02:14:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 02:14:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 02:14:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2023-08-25 02:14:00,731 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3562231759656652 [2023-08-25 02:14:00,731 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 332 transitions. [2023-08-25 02:14:00,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 332 transitions. [2023-08-25 02:14:00,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:14:00,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 332 transitions. [2023-08-25 02:14:00,732 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) [2023-08-25 02:14:00,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,734 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,734 INFO L175 Difference]: Start difference. First operand has 38 places, 23 transitions, 101 flow. Second operand 4 states and 332 transitions. [2023-08-25 02:14:00,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 38 transitions, 256 flow [2023-08-25 02:14:00,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 38 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 02:14:00,736 INFO L231 Difference]: Finished difference. Result has 38 places, 0 transitions, 0 flow [2023-08-25 02:14:00,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=35, 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=38, PETRI_TRANSITIONS=0} [2023-08-25 02:14:00,737 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -13 predicate places. [2023-08-25 02:14:00,738 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 0 transitions, 0 flow [2023-08-25 02:14:00,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:14:00,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (41 of 42 remaining) [2023-08-25 02:14:00,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (40 of 42 remaining) [2023-08-25 02:14:00,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (39 of 42 remaining) [2023-08-25 02:14:00,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (38 of 42 remaining) [2023-08-25 02:14:00,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (37 of 42 remaining) [2023-08-25 02:14:00,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (36 of 42 remaining) [2023-08-25 02:14:00,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (35 of 42 remaining) [2023-08-25 02:14:00,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (34 of 42 remaining) [2023-08-25 02:14:00,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (33 of 42 remaining) [2023-08-25 02:14:00,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (32 of 42 remaining) [2023-08-25 02:14:00,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 42 remaining) [2023-08-25 02:14:00,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 42 remaining) [2023-08-25 02:14:00,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 42 remaining) [2023-08-25 02:14:00,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 42 remaining) [2023-08-25 02:14:00,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (27 of 42 remaining) [2023-08-25 02:14:00,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 42 remaining) [2023-08-25 02:14:00,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 42 remaining) [2023-08-25 02:14:00,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 42 remaining) [2023-08-25 02:14:00,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 42 remaining) [2023-08-25 02:14:00,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 42 remaining) [2023-08-25 02:14:00,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 42 remaining) [2023-08-25 02:14:00,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 42 remaining) [2023-08-25 02:14:00,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 42 remaining) [2023-08-25 02:14:00,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (18 of 42 remaining) [2023-08-25 02:14:00,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 42 remaining) [2023-08-25 02:14:00,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 42 remaining) [2023-08-25 02:14:00,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 42 remaining) [2023-08-25 02:14:00,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (14 of 42 remaining) [2023-08-25 02:14:00,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (13 of 42 remaining) [2023-08-25 02:14:00,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 42 remaining) [2023-08-25 02:14:00,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 42 remaining) [2023-08-25 02:14:00,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (10 of 42 remaining) [2023-08-25 02:14:00,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 42 remaining) [2023-08-25 02:14:00,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 42 remaining) [2023-08-25 02:14:00,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 42 remaining) [2023-08-25 02:14:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 42 remaining) [2023-08-25 02:14:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (5 of 42 remaining) [2023-08-25 02:14:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 42 remaining) [2023-08-25 02:14:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 42 remaining) [2023-08-25 02:14:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 42 remaining) [2023-08-25 02:14:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 42 remaining) [2023-08-25 02:14:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 42 remaining) [2023-08-25 02:14:00,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 02:14:00,750 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2023-08-25 02:14:00,755 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:14:00,755 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:14:00,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:14:00 BasicIcfg [2023-08-25 02:14:00,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:14:00,761 INFO L158 Benchmark]: Toolchain (without parser) took 6703.34ms. Allocated memory was 377.5MB in the beginning and 455.1MB in the end (delta: 77.6MB). Free memory was 352.7MB in the beginning and 196.4MB in the end (delta: 156.2MB). Peak memory consumption was 234.3MB. Max. memory is 16.0GB. [2023-08-25 02:14:00,761 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 377.5MB. Free memory is still 354.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:14:00,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.70ms. Allocated memory is still 377.5MB. Free memory was 352.7MB in the beginning and 331.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-08-25 02:14:00,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.82ms. Allocated memory is still 377.5MB. Free memory was 331.7MB in the beginning and 329.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 02:14:00,761 INFO L158 Benchmark]: Boogie Preprocessor took 34.90ms. Allocated memory is still 377.5MB. Free memory was 329.6MB in the beginning and 328.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:14:00,762 INFO L158 Benchmark]: RCFGBuilder took 521.41ms. Allocated memory is still 377.5MB. Free memory was 328.1MB in the beginning and 353.9MB in the end (delta: -25.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-08-25 02:14:00,763 INFO L158 Benchmark]: TraceAbstraction took 5591.11ms. Allocated memory was 377.5MB in the beginning and 455.1MB in the end (delta: 77.6MB). Free memory was 353.2MB in the beginning and 196.4MB in the end (delta: 156.7MB). Peak memory consumption was 234.3MB. Max. memory is 16.0GB. [2023-08-25 02:14:00,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 377.5MB. Free memory is still 354.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 491.70ms. Allocated memory is still 377.5MB. Free memory was 352.7MB in the beginning and 331.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 58.82ms. Allocated memory is still 377.5MB. Free memory was 331.7MB in the beginning and 329.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.90ms. Allocated memory is still 377.5MB. Free memory was 329.6MB in the beginning and 328.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 521.41ms. Allocated memory is still 377.5MB. Free memory was 328.1MB in the beginning and 353.9MB in the end (delta: -25.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * TraceAbstraction took 5591.11ms. Allocated memory was 377.5MB in the beginning and 455.1MB in the end (delta: 77.6MB). Free memory was 353.2MB in the beginning and 196.4MB in the end (delta: 156.7MB). Peak memory consumption was 234.3MB. 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: 3.6s, 121 PlacesBefore, 51 PlacesAfterwards, 114 TransitionsBefore, 42 TransitionsAfterwards, 4092 CoEnabledTransitionPairs, 7 FixpointIterations, 21 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 2 ChoiceCompositions, 116 TotalNumberOfCompositions, 14253 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6316, independent: 6051, independent conditional: 0, independent unconditional: 6051, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2482, independent: 2436, independent conditional: 0, independent unconditional: 2436, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6316, independent: 3615, independent conditional: 0, independent unconditional: 3615, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 2482, unknown conditional: 0, unknown unconditional: 2482] , Statistics on independence cache: Total cache size (in pairs): 247, Positive cache size: 230, Positive conditional cache size: 0, Positive unconditional cache size: 230, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: 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: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: 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: 799]: 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: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 801]: 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, 42 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: 5.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 02:14:00,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...