/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/goblint-regression/13-privatized_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:57:02,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:57:02,794 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 03:57:02,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:57:02,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:57:02,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:57:02,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:57:02,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:57:02,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:57:02,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:57:02,841 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:57:02,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:57:02,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:57:02,842 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:57:02,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:57:02,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:57:02,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:57:02,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:57:02,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:57:02,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:57:02,844 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:57:02,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:57:02,844 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:57:02,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:57:02,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:57:02,845 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:57:02,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:57:02,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:57:02,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:57:02,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:57:02,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:57:02,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:57:02,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:57:02,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:57:02,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:57:02,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:57:03,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:57:03,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:57:03,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:57:03,183 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:57:03,184 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:57:03,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-08-25 03:57:04,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:57:04,620 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:57:04,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-08-25 03:57:04,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eb983b0/d35e5c85b24f4d1b85ce5e3acefb7a45/FLAGa62717cfe [2023-08-25 03:57:04,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eb983b0/d35e5c85b24f4d1b85ce5e3acefb7a45 [2023-08-25 03:57:04,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:57:04,665 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:57:04,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:57:04,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:57:04,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:57:04,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:57:04" (1/1) ... [2023-08-25 03:57:04,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487fa399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:04, skipping insertion in model container [2023-08-25 03:57:04,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:57:04" (1/1) ... [2023-08-25 03:57:04,707 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:57:05,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:57:05,057 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:57:05,084 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-25 03:57:05,085 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 03:57:05,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:57:05,148 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:57:05,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05 WrapperNode [2023-08-25 03:57:05,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:57:05,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:57:05,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:57:05,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:57:05,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,192 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-08-25 03:57:05,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:57:05,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:57:05,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:57:05,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:57:05,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:57:05,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:57:05,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:57:05,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:57:05,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (1/1) ... [2023-08-25 03:57:05,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:57:05,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:57:05,262 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 03:57:05,282 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 03:57:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:57:05,301 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:57:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:57:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:57:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:57:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:57:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:57:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:57:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:57:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:57:05,304 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 03:57:05,450 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:57:05,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:57:05,631 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:57:05,637 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:57:05,638 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:57:05,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:57:05 BoogieIcfgContainer [2023-08-25 03:57:05,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:57:05,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:57:05,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:57:05,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:57:05,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:57:04" (1/3) ... [2023-08-25 03:57:05,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db1c344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:57:05, skipping insertion in model container [2023-08-25 03:57:05,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:05" (2/3) ... [2023-08-25 03:57:05,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db1c344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:57:05, skipping insertion in model container [2023-08-25 03:57:05,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:57:05" (3/3) ... [2023-08-25 03:57:05,647 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2023-08-25 03:57:05,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:57:05,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-25 03:57:05,662 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:57:05,713 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:57:05,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 79 transitions, 163 flow [2023-08-25 03:57:05,821 INFO L124 PetriNetUnfolderBase]: 2/78 cut-off events. [2023-08-25 03:57:05,821 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:05,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-25 03:57:05,827 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 79 transitions, 163 flow [2023-08-25 03:57:05,830 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 78 transitions, 159 flow [2023-08-25 03:57:05,833 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:57:05,842 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 78 transitions, 159 flow [2023-08-25 03:57:05,844 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 78 transitions, 159 flow [2023-08-25 03:57:05,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 78 transitions, 159 flow [2023-08-25 03:57:05,863 INFO L124 PetriNetUnfolderBase]: 2/78 cut-off events. [2023-08-25 03:57:05,863 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:05,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-25 03:57:05,865 INFO L119 LiptonReduction]: Number of co-enabled transitions 1176 [2023-08-25 03:57:08,081 INFO L134 LiptonReduction]: Checked pairs total: 4169 [2023-08-25 03:57:08,081 INFO L136 LiptonReduction]: Total number of compositions: 63 [2023-08-25 03:57:08,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:57:08,097 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;@79fbe62a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:57:08,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-25 03:57:08,101 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:57:08,101 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-08-25 03:57:08,101 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:08,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:08,102 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 03:57:08,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 03:57:08,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:08,107 INFO L85 PathProgramCache]: Analyzing trace with hash -306951884, now seen corresponding path program 1 times [2023-08-25 03:57:08,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:08,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885083251] [2023-08-25 03:57:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:08,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:08,340 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 03:57:08,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:08,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885083251] [2023-08-25 03:57:08,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885083251] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:08,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:08,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:57:08,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499190824] [2023-08-25 03:57:08,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:08,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:08,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:08,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:08,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:08,384 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 142 [2023-08-25 03:57:08,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 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 03:57:08,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:08,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 142 [2023-08-25 03:57:08,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:08,536 INFO L124 PetriNetUnfolderBase]: 117/262 cut-off events. [2023-08-25 03:57:08,536 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:08,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 262 events. 117/262 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1022 event pairs, 87 based on Foata normal form. 15/215 useless extension candidates. Maximal degree in co-relation 517. Up to 217 conditions per place. [2023-08-25 03:57:08,540 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 30 selfloop transitions, 4 changer transitions 0/35 dead transitions. [2023-08-25 03:57:08,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 35 transitions, 141 flow [2023-08-25 03:57:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2023-08-25 03:57:08,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5375586854460094 [2023-08-25 03:57:08,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 229 transitions. [2023-08-25 03:57:08,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 229 transitions. [2023-08-25 03:57:08,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:08,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 229 transitions. [2023-08-25 03:57:08,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 03:57:08,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:08,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:08,578 INFO L175 Difference]: Start difference. First operand has 28 places, 25 transitions, 53 flow. Second operand 3 states and 229 transitions. [2023-08-25 03:57:08,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 35 transitions, 141 flow [2023-08-25 03:57:08,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 35 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:57:08,583 INFO L231 Difference]: Finished difference. Result has 31 places, 27 transitions, 80 flow [2023-08-25 03:57:08,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=31, PETRI_TRANSITIONS=27} [2023-08-25 03:57:08,590 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2023-08-25 03:57:08,591 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 80 flow [2023-08-25 03:57:08,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 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 03:57:08,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:08,591 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:08,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:57:08,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 03:57:08,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:08,594 INFO L85 PathProgramCache]: Analyzing trace with hash -901880094, now seen corresponding path program 1 times [2023-08-25 03:57:08,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:08,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137245747] [2023-08-25 03:57:08,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:08,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:08,691 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 03:57:08,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:08,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137245747] [2023-08-25 03:57:08,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137245747] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:08,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:08,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:57:08,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488624474] [2023-08-25 03:57:08,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:08,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:08,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:08,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:08,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:08,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 142 [2023-08-25 03:57:08,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 03:57:08,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:08,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 142 [2023-08-25 03:57:08,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:08,787 INFO L124 PetriNetUnfolderBase]: 149/341 cut-off events. [2023-08-25 03:57:08,787 INFO L125 PetriNetUnfolderBase]: For 68/70 co-relation queries the response was YES. [2023-08-25 03:57:08,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 341 events. 149/341 cut-off events. For 68/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1540 event pairs, 39 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 778. Up to 173 conditions per place. [2023-08-25 03:57:08,793 INFO L140 encePairwiseOnDemand]: 137/142 looper letters, 37 selfloop transitions, 5 changer transitions 0/43 dead transitions. [2023-08-25 03:57:08,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 43 transitions, 206 flow [2023-08-25 03:57:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:08,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2023-08-25 03:57:08,799 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5586854460093896 [2023-08-25 03:57:08,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 238 transitions. [2023-08-25 03:57:08,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 238 transitions. [2023-08-25 03:57:08,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:08,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 238 transitions. [2023-08-25 03:57:08,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:57:08,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:08,804 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:08,805 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 80 flow. Second operand 3 states and 238 transitions. [2023-08-25 03:57:08,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 43 transitions, 206 flow [2023-08-25 03:57:08,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 43 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:57:08,808 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 108 flow [2023-08-25 03:57:08,808 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2023-08-25 03:57:08,809 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 5 predicate places. [2023-08-25 03:57:08,809 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 108 flow [2023-08-25 03:57:08,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 03:57:08,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:08,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:08,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:57:08,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 03:57:08,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2106488437, now seen corresponding path program 1 times [2023-08-25 03:57:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:08,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25807801] [2023-08-25 03:57:08,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:08,973 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 03:57:08,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:08,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25807801] [2023-08-25 03:57:08,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25807801] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:08,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:08,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 03:57:08,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084262384] [2023-08-25 03:57:08,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:08,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:08,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:08,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:08,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:08,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 142 [2023-08-25 03:57:08,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 03:57:08,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:08,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 142 [2023-08-25 03:57:08,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:09,022 INFO L124 PetriNetUnfolderBase]: 78/227 cut-off events. [2023-08-25 03:57:09,023 INFO L125 PetriNetUnfolderBase]: For 91/103 co-relation queries the response was YES. [2023-08-25 03:57:09,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 227 events. 78/227 cut-off events. For 91/103 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1076 event pairs, 32 based on Foata normal form. 4/203 useless extension candidates. Maximal degree in co-relation 513. Up to 93 conditions per place. [2023-08-25 03:57:09,024 INFO L140 encePairwiseOnDemand]: 137/142 looper letters, 20 selfloop transitions, 3 changer transitions 0/35 dead transitions. [2023-08-25 03:57:09,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 35 transitions, 170 flow [2023-08-25 03:57:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2023-08-25 03:57:09,026 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5539906103286385 [2023-08-25 03:57:09,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 236 transitions. [2023-08-25 03:57:09,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 236 transitions. [2023-08-25 03:57:09,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:09,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 236 transitions. [2023-08-25 03:57:09,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:57:09,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:09,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:09,028 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 108 flow. Second operand 3 states and 236 transitions. [2023-08-25 03:57:09,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 35 transitions, 170 flow [2023-08-25 03:57:09,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:57:09,030 INFO L231 Difference]: Finished difference. Result has 34 places, 30 transitions, 111 flow [2023-08-25 03:57:09,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=34, PETRI_TRANSITIONS=30} [2023-08-25 03:57:09,031 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 6 predicate places. [2023-08-25 03:57:09,031 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 30 transitions, 111 flow [2023-08-25 03:57:09,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 03:57:09,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:09,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:09,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:57:09,032 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 03:57:09,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash 601603692, now seen corresponding path program 1 times [2023-08-25 03:57:09,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:09,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551694467] [2023-08-25 03:57:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:09,156 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 03:57:09,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:09,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551694467] [2023-08-25 03:57:09,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551694467] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:09,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:09,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 03:57:09,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492448604] [2023-08-25 03:57:09,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:09,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 03:57:09,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:09,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 03:57:09,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-25 03:57:09,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 142 [2023-08-25 03:57:09,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 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 03:57:09,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:09,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 142 [2023-08-25 03:57:09,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:09,200 INFO L124 PetriNetUnfolderBase]: 14/72 cut-off events. [2023-08-25 03:57:09,201 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-08-25 03:57:09,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 72 events. 14/72 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 169 event pairs, 2 based on Foata normal form. 9/81 useless extension candidates. Maximal degree in co-relation 160. Up to 42 conditions per place. [2023-08-25 03:57:09,202 INFO L140 encePairwiseOnDemand]: 137/142 looper letters, 11 selfloop transitions, 4 changer transitions 2/23 dead transitions. [2023-08-25 03:57:09,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 23 transitions, 111 flow [2023-08-25 03:57:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 03:57:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 03:57:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 239 transitions. [2023-08-25 03:57:09,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42077464788732394 [2023-08-25 03:57:09,203 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 239 transitions. [2023-08-25 03:57:09,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 239 transitions. [2023-08-25 03:57:09,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:09,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 239 transitions. [2023-08-25 03:57:09,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 59.75) internal successors, (239), 4 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 03:57:09,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 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 03:57:09,206 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 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 03:57:09,206 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 111 flow. Second operand 4 states and 239 transitions. [2023-08-25 03:57:09,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 23 transitions, 111 flow [2023-08-25 03:57:09,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 88 flow, removed 4 selfloop flow, removed 5 redundant places. [2023-08-25 03:57:09,208 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 54 flow [2023-08-25 03:57:09,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=54, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2023-08-25 03:57:09,209 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 0 predicate places. [2023-08-25 03:57:09,210 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 54 flow [2023-08-25 03:57:09,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 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 03:57:09,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:09,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:09,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:57:09,210 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 03:57:09,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:09,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2069969200, now seen corresponding path program 1 times [2023-08-25 03:57:09,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:09,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880429544] [2023-08-25 03:57:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:09,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:09,241 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 03:57:09,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:09,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880429544] [2023-08-25 03:57:09,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880429544] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:09,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:09,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:57:09,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383089687] [2023-08-25 03:57:09,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:09,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:09,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:09,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:09,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:09,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 142 [2023-08-25 03:57:09,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 03:57:09,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:09,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 142 [2023-08-25 03:57:09,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:09,272 INFO L124 PetriNetUnfolderBase]: 16/57 cut-off events. [2023-08-25 03:57:09,273 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 03:57:09,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 57 events. 16/57 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 14 based on Foata normal form. 4/61 useless extension candidates. Maximal degree in co-relation 120. Up to 51 conditions per place. [2023-08-25 03:57:09,277 INFO L140 encePairwiseOnDemand]: 140/142 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2023-08-25 03:57:09,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 20 transitions, 94 flow [2023-08-25 03:57:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2023-08-25 03:57:09,279 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4953051643192488 [2023-08-25 03:57:09,279 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2023-08-25 03:57:09,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2023-08-25 03:57:09,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:09,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2023-08-25 03:57:09,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 03:57:09,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:09,282 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 03:57:09,282 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 54 flow. Second operand 3 states and 211 transitions. [2023-08-25 03:57:09,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 20 transitions, 94 flow [2023-08-25 03:57:09,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 20 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:57:09,283 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-08-25 03:57:09,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=23, 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=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-08-25 03:57:09,285 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, -3 predicate places. [2023-08-25 03:57:09,285 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-08-25 03:57:09,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 03:57:09,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-25 03:57:09,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (5 of 7 remaining) [2023-08-25 03:57:09,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-25 03:57:09,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-25 03:57:09,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-25 03:57:09,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-25 03:57:09,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-25 03:57:09,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 03:57:09,289 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-25 03:57:09,294 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:57:09,294 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:57:09,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:57:09 BasicIcfg [2023-08-25 03:57:09,301 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:57:09,301 INFO L158 Benchmark]: Toolchain (without parser) took 4636.22ms. Allocated memory was 343.9MB in the beginning and 434.1MB in the end (delta: 90.2MB). Free memory was 317.6MB in the beginning and 280.9MB in the end (delta: 36.7MB). Peak memory consumption was 128.2MB. Max. memory is 16.0GB. [2023-08-25 03:57:09,301 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 343.9MB. Free memory was 319.6MB in the beginning and 319.5MB in the end (delta: 57.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:57:09,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.24ms. Allocated memory is still 343.9MB. Free memory was 317.6MB in the beginning and 298.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 03:57:09,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.29ms. Allocated memory is still 343.9MB. Free memory was 298.4MB in the beginning and 296.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:57:09,304 INFO L158 Benchmark]: Boogie Preprocessor took 31.67ms. Allocated memory is still 343.9MB. Free memory was 296.3MB in the beginning and 294.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:57:09,304 INFO L158 Benchmark]: RCFGBuilder took 413.96ms. Allocated memory is still 343.9MB. Free memory was 294.9MB in the beginning and 281.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-25 03:57:09,309 INFO L158 Benchmark]: TraceAbstraction took 3659.11ms. Allocated memory was 343.9MB in the beginning and 434.1MB in the end (delta: 90.2MB). Free memory was 281.1MB in the beginning and 280.9MB in the end (delta: 246.9kB). Peak memory consumption was 92.6MB. Max. memory is 16.0GB. [2023-08-25 03:57:09,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 343.9MB. Free memory was 319.6MB in the beginning and 319.5MB in the end (delta: 57.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 483.24ms. Allocated memory is still 343.9MB. Free memory was 317.6MB in the beginning and 298.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 43.29ms. Allocated memory is still 343.9MB. Free memory was 298.4MB in the beginning and 296.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.67ms. Allocated memory is still 343.9MB. Free memory was 296.3MB in the beginning and 294.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 413.96ms. Allocated memory is still 343.9MB. Free memory was 294.9MB in the beginning and 281.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 3659.11ms. Allocated memory was 343.9MB in the beginning and 434.1MB in the end (delta: 90.2MB). Free memory was 281.1MB in the beginning and 280.9MB in the end (delta: 246.9kB). Peak memory consumption was 92.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 80 PlacesBefore, 28 PlacesAfterwards, 78 TransitionsBefore, 25 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 63 TotalNumberOfCompositions, 4169 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1564, independent: 1310, independent conditional: 0, independent unconditional: 1310, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 638, independent: 593, independent conditional: 0, independent unconditional: 593, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1564, independent: 717, independent conditional: 0, independent unconditional: 717, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 638, unknown conditional: 0, unknown unconditional: 638] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 7 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: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 17 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 0.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 03:57:09,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...