/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/weaver/parallel-ticket-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 05:42:14,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 05:42:14,769 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 05:42:14,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 05:42:14,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 05:42:14,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 05:42:14,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 05:42:14,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 05:42:14,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 05:42:14,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 05:42:14,809 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 05:42:14,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 05:42:14,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 05:42:14,811 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 05:42:14,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 05:42:14,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 05:42:14,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 05:42:14,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 05:42:14,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 05:42:14,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 05:42:14,813 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 05:42:14,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 05:42:14,813 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 05:42:14,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 05:42:14,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 05:42:14,814 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 05:42:14,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 05:42:14,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:42:14,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 05:42:14,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 05:42:14,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 05:42:14,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 05:42:14,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 05:42:14,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 05:42:14,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 05:42:14,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 05:42:15,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 05:42:15,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 05:42:15,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 05:42:15,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 05:42:15,174 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 05:42:15,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2023-08-25 05:42:16,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 05:42:16,573 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 05:42:16,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2023-08-25 05:42:16,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1721b05c9/83b7d7affba84430b685a1f206c47126/FLAGc65923bcd [2023-08-25 05:42:16,592 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1721b05c9/83b7d7affba84430b685a1f206c47126 [2023-08-25 05:42:16,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 05:42:16,595 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 05:42:16,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 05:42:16,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 05:42:16,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 05:42:16,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b816bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16, skipping insertion in model container [2023-08-25 05:42:16,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,618 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 05:42:16,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:42:16,795 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 05:42:16,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:42:16,850 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:42:16,850 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:42:16,856 INFO L206 MainTranslator]: Completed translation [2023-08-25 05:42:16,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16 WrapperNode [2023-08-25 05:42:16,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 05:42:16,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 05:42:16,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 05:42:16,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 05:42:16,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,923 INFO L138 Inliner]: procedures = 22, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 334 [2023-08-25 05:42:16,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 05:42:16,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 05:42:16,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 05:42:16,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 05:42:16,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 05:42:16,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 05:42:16,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 05:42:16,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 05:42:16,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (1/1) ... [2023-08-25 05:42:16,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:42:16,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:42:17,006 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 05:42:17,023 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 05:42:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 05:42:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 05:42:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 05:42:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 05:42:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 05:42:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 05:42:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 05:42:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 05:42:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 05:42:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 05:42:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 05:42:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 05:42:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 05:42:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 05:42:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 05:42:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 05:42:17,049 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 05:42:17,158 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 05:42:17,163 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 05:42:17,654 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 05:42:17,811 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 05:42:17,811 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 05:42:17,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:42:17 BoogieIcfgContainer [2023-08-25 05:42:17,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 05:42:17,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 05:42:17,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 05:42:17,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 05:42:17,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:42:16" (1/3) ... [2023-08-25 05:42:17,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237c6815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:42:17, skipping insertion in model container [2023-08-25 05:42:17,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:42:16" (2/3) ... [2023-08-25 05:42:17,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237c6815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:42:17, skipping insertion in model container [2023-08-25 05:42:17,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:42:17" (3/3) ... [2023-08-25 05:42:17,824 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2023-08-25 05:42:17,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 05:42:17,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-08-25 05:42:17,838 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 05:42:17,900 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-25 05:42:17,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 246 places, 241 transitions, 506 flow [2023-08-25 05:42:18,026 INFO L124 PetriNetUnfolderBase]: 5/238 cut-off events. [2023-08-25 05:42:18,026 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 05:42:18,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 238 events. 5/238 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 231 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 173. Up to 2 conditions per place. [2023-08-25 05:42:18,030 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 241 transitions, 506 flow [2023-08-25 05:42:18,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 227 transitions, 472 flow [2023-08-25 05:42:18,038 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 05:42:18,045 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 232 places, 227 transitions, 472 flow [2023-08-25 05:42:18,047 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 232 places, 227 transitions, 472 flow [2023-08-25 05:42:18,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 227 transitions, 472 flow [2023-08-25 05:42:18,102 INFO L124 PetriNetUnfolderBase]: 5/227 cut-off events. [2023-08-25 05:42:18,103 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 05:42:18,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 227 events. 5/227 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 233 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 173. Up to 2 conditions per place. [2023-08-25 05:42:18,107 INFO L119 LiptonReduction]: Number of co-enabled transitions 4182 [2023-08-25 05:42:24,133 INFO L134 LiptonReduction]: Checked pairs total: 26265 [2023-08-25 05:42:24,133 INFO L136 LiptonReduction]: Total number of compositions: 240 [2023-08-25 05:42:24,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 05:42:24,162 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;@25dde09e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 05:42:24,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2023-08-25 05:42:24,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 05:42:24,164 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 05:42:24,164 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 05:42:24,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:24,165 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 05:42:24,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:24,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:24,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1130, now seen corresponding path program 1 times [2023-08-25 05:42:24,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:24,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061401306] [2023-08-25 05:42:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:24,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:24,265 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 05:42:24,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:24,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061401306] [2023-08-25 05:42:24,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061401306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:24,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:24,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 05:42:24,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957183593] [2023-08-25 05:42:24,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:24,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 05:42:24,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:24,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 05:42:24,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 05:42:24,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 481 [2023-08-25 05:42:24,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 75 transitions, 168 flow. Second operand has 2 states, 2 states have (on average 187.5) internal successors, (375), 2 states have internal predecessors, (375), 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 05:42:24,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:24,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 481 [2023-08-25 05:42:24,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:24,481 INFO L124 PetriNetUnfolderBase]: 777/1212 cut-off events. [2023-08-25 05:42:24,481 INFO L125 PetriNetUnfolderBase]: For 99/99 co-relation queries the response was YES. [2023-08-25 05:42:24,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2534 conditions, 1212 events. 777/1212 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4629 event pairs, 777 based on Foata normal form. 0/1212 useless extension candidates. Maximal degree in co-relation 2192. Up to 1213 conditions per place. [2023-08-25 05:42:24,490 INFO L140 encePairwiseOnDemand]: 432/481 looper letters, 26 selfloop transitions, 0 changer transitions 0/26 dead transitions. [2023-08-25 05:42:24,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 26 transitions, 122 flow [2023-08-25 05:42:24,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 05:42:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 05:42:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 449 transitions. [2023-08-25 05:42:24,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46673596673596673 [2023-08-25 05:42:24,502 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 449 transitions. [2023-08-25 05:42:24,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 449 transitions. [2023-08-25 05:42:24,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:24,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 449 transitions. [2023-08-25 05:42:24,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 224.5) internal successors, (449), 2 states have internal predecessors, (449), 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 05:42:24,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 481.0) internal successors, (1443), 3 states have internal predecessors, (1443), 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 05:42:24,514 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 481.0) internal successors, (1443), 3 states have internal predecessors, (1443), 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 05:42:24,515 INFO L175 Difference]: Start difference. First operand has 85 places, 75 transitions, 168 flow. Second operand 2 states and 449 transitions. [2023-08-25 05:42:24,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 26 transitions, 122 flow [2023-08-25 05:42:24,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 26 transitions, 110 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-25 05:42:24,521 INFO L231 Difference]: Finished difference. Result has 31 places, 26 transitions, 58 flow [2023-08-25 05:42:24,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=26} [2023-08-25 05:42:24,525 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -54 predicate places. [2023-08-25 05:42:24,525 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 58 flow [2023-08-25 05:42:24,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 187.5) internal successors, (375), 2 states have internal predecessors, (375), 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 05:42:24,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:24,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:24,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 05:42:24,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:24,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:24,527 INFO L85 PathProgramCache]: Analyzing trace with hash -858087806, now seen corresponding path program 1 times [2023-08-25 05:42:24,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:24,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116023045] [2023-08-25 05:42:24,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:24,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:25,099 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 05:42:25,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:25,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116023045] [2023-08-25 05:42:25,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116023045] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:25,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:25,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:42:25,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642731651] [2023-08-25 05:42:25,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:25,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 05:42:25,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:25,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 05:42:25,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 05:42:25,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:25,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 58 flow. Second operand has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 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 05:42:25,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:25,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:25,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:25,349 INFO L124 PetriNetUnfolderBase]: 842/1323 cut-off events. [2023-08-25 05:42:25,349 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-08-25 05:42:25,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2690 conditions, 1323 events. 842/1323 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5474 event pairs, 230 based on Foata normal form. 46/1369 useless extension candidates. Maximal degree in co-relation 2687. Up to 663 conditions per place. [2023-08-25 05:42:25,355 INFO L140 encePairwiseOnDemand]: 473/481 looper letters, 54 selfloop transitions, 10 changer transitions 0/64 dead transitions. [2023-08-25 05:42:25,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 64 transitions, 267 flow [2023-08-25 05:42:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:42:25,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:42:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 955 transitions. [2023-08-25 05:42:25,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3970893970893971 [2023-08-25 05:42:25,360 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 955 transitions. [2023-08-25 05:42:25,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 955 transitions. [2023-08-25 05:42:25,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:25,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 955 transitions. [2023-08-25 05:42:25,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 191.0) internal successors, (955), 5 states have internal predecessors, (955), 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 05:42:25,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 481.0) internal successors, (2886), 6 states have internal predecessors, (2886), 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 05:42:25,370 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 481.0) internal successors, (2886), 6 states have internal predecessors, (2886), 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 05:42:25,370 INFO L175 Difference]: Start difference. First operand has 31 places, 26 transitions, 58 flow. Second operand 5 states and 955 transitions. [2023-08-25 05:42:25,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 64 transitions, 267 flow [2023-08-25 05:42:25,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 64 transitions, 267 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:42:25,372 INFO L231 Difference]: Finished difference. Result has 38 places, 35 transitions, 124 flow [2023-08-25 05:42:25,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=38, PETRI_TRANSITIONS=35} [2023-08-25 05:42:25,373 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -47 predicate places. [2023-08-25 05:42:25,373 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 35 transitions, 124 flow [2023-08-25 05:42:25,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 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 05:42:25,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:25,377 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:25,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 05:42:25,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:25,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:25,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1527862864, now seen corresponding path program 2 times [2023-08-25 05:42:25,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:25,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166065328] [2023-08-25 05:42:25,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:25,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:25,607 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 05:42:25,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:25,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166065328] [2023-08-25 05:42:25,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166065328] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:25,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:25,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:42:25,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045791483] [2023-08-25 05:42:25,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:25,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 05:42:25,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:25,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 05:42:25,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 05:42:25,610 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:25,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 35 transitions, 124 flow. Second operand has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 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 05:42:25,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:25,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:25,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:25,798 INFO L124 PetriNetUnfolderBase]: 678/1115 cut-off events. [2023-08-25 05:42:25,798 INFO L125 PetriNetUnfolderBase]: For 432/432 co-relation queries the response was YES. [2023-08-25 05:42:25,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2905 conditions, 1115 events. 678/1115 cut-off events. For 432/432 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4627 event pairs, 190 based on Foata normal form. 46/1161 useless extension candidates. Maximal degree in co-relation 2898. Up to 605 conditions per place. [2023-08-25 05:42:25,805 INFO L140 encePairwiseOnDemand]: 473/481 looper letters, 52 selfloop transitions, 13 changer transitions 0/65 dead transitions. [2023-08-25 05:42:25,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 65 transitions, 341 flow [2023-08-25 05:42:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:42:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:42:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 953 transitions. [2023-08-25 05:42:25,808 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3962577962577963 [2023-08-25 05:42:25,808 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 953 transitions. [2023-08-25 05:42:25,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 953 transitions. [2023-08-25 05:42:25,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:25,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 953 transitions. [2023-08-25 05:42:25,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 190.6) internal successors, (953), 5 states have internal predecessors, (953), 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 05:42:25,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 481.0) internal successors, (2886), 6 states have internal predecessors, (2886), 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 05:42:25,815 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 481.0) internal successors, (2886), 6 states have internal predecessors, (2886), 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 05:42:25,815 INFO L175 Difference]: Start difference. First operand has 38 places, 35 transitions, 124 flow. Second operand 5 states and 953 transitions. [2023-08-25 05:42:25,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 65 transitions, 341 flow [2023-08-25 05:42:25,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 65 transitions, 341 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:42:25,817 INFO L231 Difference]: Finished difference. Result has 44 places, 39 transitions, 186 flow [2023-08-25 05:42:25,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=186, PETRI_PLACES=44, PETRI_TRANSITIONS=39} [2023-08-25 05:42:25,818 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -41 predicate places. [2023-08-25 05:42:25,818 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 39 transitions, 186 flow [2023-08-25 05:42:25,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 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 05:42:25,819 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:25,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:25,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 05:42:25,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:25,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:25,820 INFO L85 PathProgramCache]: Analyzing trace with hash -876809104, now seen corresponding path program 3 times [2023-08-25 05:42:25,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:25,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955930382] [2023-08-25 05:42:25,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:25,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:25,995 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 05:42:25,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:25,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955930382] [2023-08-25 05:42:25,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955930382] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:25,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:25,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:25,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885788204] [2023-08-25 05:42:25,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:25,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:25,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:25,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:25,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:25,998 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:26,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 186 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:26,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:26,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:26,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:26,317 INFO L124 PetriNetUnfolderBase]: 731/1220 cut-off events. [2023-08-25 05:42:26,317 INFO L125 PetriNetUnfolderBase]: For 966/966 co-relation queries the response was YES. [2023-08-25 05:42:26,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 1220 events. 731/1220 cut-off events. For 966/966 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 5377 event pairs, 90 based on Foata normal form. 20/1240 useless extension candidates. Maximal degree in co-relation 3567. Up to 611 conditions per place. [2023-08-25 05:42:26,347 INFO L140 encePairwiseOnDemand]: 473/481 looper letters, 76 selfloop transitions, 24 changer transitions 0/100 dead transitions. [2023-08-25 05:42:26,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 100 transitions, 588 flow [2023-08-25 05:42:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 05:42:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 05:42:26,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1521 transitions. [2023-08-25 05:42:26,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3952702702702703 [2023-08-25 05:42:26,353 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1521 transitions. [2023-08-25 05:42:26,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1521 transitions. [2023-08-25 05:42:26,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:26,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1521 transitions. [2023-08-25 05:42:26,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 190.125) internal successors, (1521), 8 states have internal predecessors, (1521), 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 05:42:26,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:26,365 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:26,365 INFO L175 Difference]: Start difference. First operand has 44 places, 39 transitions, 186 flow. Second operand 8 states and 1521 transitions. [2023-08-25 05:42:26,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 100 transitions, 588 flow [2023-08-25 05:42:26,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 100 transitions, 569 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 05:42:26,369 INFO L231 Difference]: Finished difference. Result has 51 places, 50 transitions, 313 flow [2023-08-25 05:42:26,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=313, PETRI_PLACES=51, PETRI_TRANSITIONS=50} [2023-08-25 05:42:26,370 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -34 predicate places. [2023-08-25 05:42:26,370 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 313 flow [2023-08-25 05:42:26,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:26,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:26,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:26,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 05:42:26,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:26,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:26,372 INFO L85 PathProgramCache]: Analyzing trace with hash -468746396, now seen corresponding path program 4 times [2023-08-25 05:42:26,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:26,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982892356] [2023-08-25 05:42:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:26,796 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 05:42:26,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:26,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982892356] [2023-08-25 05:42:26,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982892356] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:26,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:26,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:42:26,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997522214] [2023-08-25 05:42:26,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:26,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:42:26,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:26,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:42:26,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:42:26,799 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 481 [2023-08-25 05:42:26,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 313 flow. Second operand has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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 05:42:26,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:26,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 481 [2023-08-25 05:42:26,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:27,026 INFO L124 PetriNetUnfolderBase]: 918/1558 cut-off events. [2023-08-25 05:42:27,026 INFO L125 PetriNetUnfolderBase]: For 2242/2242 co-relation queries the response was YES. [2023-08-25 05:42:27,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4993 conditions, 1558 events. 918/1558 cut-off events. For 2242/2242 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 7387 event pairs, 260 based on Foata normal form. 1/1559 useless extension candidates. Maximal degree in co-relation 4981. Up to 576 conditions per place. [2023-08-25 05:42:27,034 INFO L140 encePairwiseOnDemand]: 475/481 looper letters, 87 selfloop transitions, 9 changer transitions 40/136 dead transitions. [2023-08-25 05:42:27,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 136 transitions, 1061 flow [2023-08-25 05:42:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:42:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:42:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1163 transitions. [2023-08-25 05:42:27,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.402979902979903 [2023-08-25 05:42:27,038 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1163 transitions. [2023-08-25 05:42:27,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1163 transitions. [2023-08-25 05:42:27,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:27,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1163 transitions. [2023-08-25 05:42:27,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 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 05:42:27,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 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 05:42:27,045 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 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 05:42:27,045 INFO L175 Difference]: Start difference. First operand has 51 places, 50 transitions, 313 flow. Second operand 6 states and 1163 transitions. [2023-08-25 05:42:27,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 136 transitions, 1061 flow [2023-08-25 05:42:27,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 136 transitions, 958 flow, removed 9 selfloop flow, removed 4 redundant places. [2023-08-25 05:42:27,052 INFO L231 Difference]: Finished difference. Result has 55 places, 53 transitions, 284 flow [2023-08-25 05:42:27,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=284, PETRI_PLACES=55, PETRI_TRANSITIONS=53} [2023-08-25 05:42:27,053 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -30 predicate places. [2023-08-25 05:42:27,053 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 284 flow [2023-08-25 05:42:27,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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 05:42:27,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:27,054 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:27,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 05:42:27,054 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:27,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:27,055 INFO L85 PathProgramCache]: Analyzing trace with hash -135581068, now seen corresponding path program 5 times [2023-08-25 05:42:27,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:27,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127229575] [2023-08-25 05:42:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:27,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:27,188 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 05:42:27,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:27,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127229575] [2023-08-25 05:42:27,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127229575] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:27,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:27,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:42:27,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012683028] [2023-08-25 05:42:27,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:27,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 05:42:27,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:27,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 05:42:27,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 05:42:27,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:27,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 284 flow. Second operand has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 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 05:42:27,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:27,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:27,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:27,313 INFO L124 PetriNetUnfolderBase]: 175/340 cut-off events. [2023-08-25 05:42:27,314 INFO L125 PetriNetUnfolderBase]: For 402/402 co-relation queries the response was YES. [2023-08-25 05:42:27,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 340 events. 175/340 cut-off events. For 402/402 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1169 event pairs, 28 based on Foata normal form. 36/376 useless extension candidates. Maximal degree in co-relation 1144. Up to 191 conditions per place. [2023-08-25 05:42:27,316 INFO L140 encePairwiseOnDemand]: 474/481 looper letters, 45 selfloop transitions, 13 changer transitions 2/60 dead transitions. [2023-08-25 05:42:27,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 60 transitions, 414 flow [2023-08-25 05:42:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:42:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:42:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 945 transitions. [2023-08-25 05:42:27,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39293139293139295 [2023-08-25 05:42:27,319 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 945 transitions. [2023-08-25 05:42:27,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 945 transitions. [2023-08-25 05:42:27,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:27,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 945 transitions. [2023-08-25 05:42:27,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 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 05:42:27,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 481.0) internal successors, (2886), 6 states have internal predecessors, (2886), 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 05:42:27,325 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 481.0) internal successors, (2886), 6 states have internal predecessors, (2886), 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 05:42:27,325 INFO L175 Difference]: Start difference. First operand has 55 places, 53 transitions, 284 flow. Second operand 5 states and 945 transitions. [2023-08-25 05:42:27,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 60 transitions, 414 flow [2023-08-25 05:42:27,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 60 transitions, 397 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-25 05:42:27,328 INFO L231 Difference]: Finished difference. Result has 56 places, 43 transitions, 257 flow [2023-08-25 05:42:27,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=257, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2023-08-25 05:42:27,329 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -29 predicate places. [2023-08-25 05:42:27,329 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 257 flow [2023-08-25 05:42:27,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 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 05:42:27,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:27,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:27,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 05:42:27,330 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:27,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:27,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1681673752, now seen corresponding path program 6 times [2023-08-25 05:42:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:27,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120603887] [2023-08-25 05:42:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:27,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:27,508 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 05:42:27,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:27,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120603887] [2023-08-25 05:42:27,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120603887] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:27,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:27,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:27,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148364239] [2023-08-25 05:42:27,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:27,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:27,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:27,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:27,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:27,511 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:27,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 257 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:27,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:27,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:27,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:27,690 INFO L124 PetriNetUnfolderBase]: 224/441 cut-off events. [2023-08-25 05:42:27,690 INFO L125 PetriNetUnfolderBase]: For 642/642 co-relation queries the response was YES. [2023-08-25 05:42:27,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1546 conditions, 441 events. 224/441 cut-off events. For 642/642 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1725 event pairs, 32 based on Foata normal form. 6/447 useless extension candidates. Maximal degree in co-relation 1531. Up to 180 conditions per place. [2023-08-25 05:42:27,693 INFO L140 encePairwiseOnDemand]: 473/481 looper letters, 54 selfloop transitions, 16 changer transitions 11/81 dead transitions. [2023-08-25 05:42:27,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 81 transitions, 566 flow [2023-08-25 05:42:27,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 05:42:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 05:42:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1503 transitions. [2023-08-25 05:42:27,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39059251559251557 [2023-08-25 05:42:27,697 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1503 transitions. [2023-08-25 05:42:27,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1503 transitions. [2023-08-25 05:42:27,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:27,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1503 transitions. [2023-08-25 05:42:27,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 187.875) internal successors, (1503), 8 states have internal predecessors, (1503), 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 05:42:27,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:27,706 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:27,706 INFO L175 Difference]: Start difference. First operand has 56 places, 43 transitions, 257 flow. Second operand 8 states and 1503 transitions. [2023-08-25 05:42:27,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 81 transitions, 566 flow [2023-08-25 05:42:27,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 81 transitions, 542 flow, removed 6 selfloop flow, removed 2 redundant places. [2023-08-25 05:42:27,710 INFO L231 Difference]: Finished difference. Result has 61 places, 45 transitions, 298 flow [2023-08-25 05:42:27,710 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=298, PETRI_PLACES=61, PETRI_TRANSITIONS=45} [2023-08-25 05:42:27,711 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -24 predicate places. [2023-08-25 05:42:27,711 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 45 transitions, 298 flow [2023-08-25 05:42:27,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:27,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:27,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:27,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 05:42:27,712 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:27,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:27,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1550713402, now seen corresponding path program 7 times [2023-08-25 05:42:27,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:27,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541699983] [2023-08-25 05:42:27,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:27,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:27,871 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 05:42:27,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:27,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541699983] [2023-08-25 05:42:27,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541699983] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:27,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:27,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:27,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119977261] [2023-08-25 05:42:27,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:27,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:27,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:27,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:27,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:27,874 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:27,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 45 transitions, 298 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:27,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:27,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:27,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:28,059 INFO L124 PetriNetUnfolderBase]: 211/424 cut-off events. [2023-08-25 05:42:28,059 INFO L125 PetriNetUnfolderBase]: For 840/840 co-relation queries the response was YES. [2023-08-25 05:42:28,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1567 conditions, 424 events. 211/424 cut-off events. For 840/840 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1674 event pairs, 36 based on Foata normal form. 8/432 useless extension candidates. Maximal degree in co-relation 1550. Up to 269 conditions per place. [2023-08-25 05:42:28,062 INFO L140 encePairwiseOnDemand]: 474/481 looper letters, 47 selfloop transitions, 12 changer transitions 15/74 dead transitions. [2023-08-25 05:42:28,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 74 transitions, 553 flow [2023-08-25 05:42:28,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 05:42:28,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 05:42:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1495 transitions. [2023-08-25 05:42:28,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3885135135135135 [2023-08-25 05:42:28,066 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1495 transitions. [2023-08-25 05:42:28,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1495 transitions. [2023-08-25 05:42:28,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:28,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1495 transitions. [2023-08-25 05:42:28,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 186.875) internal successors, (1495), 8 states have internal predecessors, (1495), 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 05:42:28,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:28,076 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:28,076 INFO L175 Difference]: Start difference. First operand has 61 places, 45 transitions, 298 flow. Second operand 8 states and 1495 transitions. [2023-08-25 05:42:28,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 74 transitions, 553 flow [2023-08-25 05:42:28,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 74 transitions, 504 flow, removed 12 selfloop flow, removed 7 redundant places. [2023-08-25 05:42:28,080 INFO L231 Difference]: Finished difference. Result has 61 places, 43 transitions, 267 flow [2023-08-25 05:42:28,080 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=267, PETRI_PLACES=61, PETRI_TRANSITIONS=43} [2023-08-25 05:42:28,081 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -24 predicate places. [2023-08-25 05:42:28,081 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 43 transitions, 267 flow [2023-08-25 05:42:28,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:28,081 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:28,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:28,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 05:42:28,082 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:28,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:28,082 INFO L85 PathProgramCache]: Analyzing trace with hash -559879182, now seen corresponding path program 8 times [2023-08-25 05:42:28,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:28,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921507255] [2023-08-25 05:42:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:28,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:28,229 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 05:42:28,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:28,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921507255] [2023-08-25 05:42:28,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921507255] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:28,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:28,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:28,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716187609] [2023-08-25 05:42:28,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:28,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:28,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:28,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:28,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:28,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:28,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 43 transitions, 267 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:28,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:28,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:28,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:28,410 INFO L124 PetriNetUnfolderBase]: 177/362 cut-off events. [2023-08-25 05:42:28,410 INFO L125 PetriNetUnfolderBase]: For 654/654 co-relation queries the response was YES. [2023-08-25 05:42:28,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1306 conditions, 362 events. 177/362 cut-off events. For 654/654 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1356 event pairs, 36 based on Foata normal form. 8/370 useless extension candidates. Maximal degree in co-relation 1290. Up to 174 conditions per place. [2023-08-25 05:42:28,412 INFO L140 encePairwiseOnDemand]: 473/481 looper letters, 46 selfloop transitions, 10 changer transitions 18/74 dead transitions. [2023-08-25 05:42:28,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 74 transitions, 518 flow [2023-08-25 05:42:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 05:42:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 05:42:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1498 transitions. [2023-08-25 05:42:28,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3892931392931393 [2023-08-25 05:42:28,417 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1498 transitions. [2023-08-25 05:42:28,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1498 transitions. [2023-08-25 05:42:28,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:28,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1498 transitions. [2023-08-25 05:42:28,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 187.25) internal successors, (1498), 8 states have internal predecessors, (1498), 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 05:42:28,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:28,426 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:28,426 INFO L175 Difference]: Start difference. First operand has 61 places, 43 transitions, 267 flow. Second operand 8 states and 1498 transitions. [2023-08-25 05:42:28,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 74 transitions, 518 flow [2023-08-25 05:42:28,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 74 transitions, 482 flow, removed 2 selfloop flow, removed 7 redundant places. [2023-08-25 05:42:28,430 INFO L231 Difference]: Finished difference. Result has 61 places, 38 transitions, 217 flow [2023-08-25 05:42:28,430 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=217, PETRI_PLACES=61, PETRI_TRANSITIONS=38} [2023-08-25 05:42:28,430 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -24 predicate places. [2023-08-25 05:42:28,431 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 38 transitions, 217 flow [2023-08-25 05:42:28,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:28,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:28,432 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:28,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 05:42:28,432 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:28,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash 134077220, now seen corresponding path program 9 times [2023-08-25 05:42:28,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:28,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378539723] [2023-08-25 05:42:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:28,592 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 05:42:28,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:28,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378539723] [2023-08-25 05:42:28,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378539723] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:28,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:28,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:28,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639788520] [2023-08-25 05:42:28,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:28,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:28,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:28,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:28,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:28,597 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:28,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 38 transitions, 217 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:28,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:28,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:28,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:28,755 INFO L124 PetriNetUnfolderBase]: 173/360 cut-off events. [2023-08-25 05:42:28,756 INFO L125 PetriNetUnfolderBase]: For 568/568 co-relation queries the response was YES. [2023-08-25 05:42:28,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1253 conditions, 360 events. 173/360 cut-off events. For 568/568 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1310 event pairs, 38 based on Foata normal form. 6/366 useless extension candidates. Maximal degree in co-relation 1236. Up to 140 conditions per place. [2023-08-25 05:42:28,758 INFO L140 encePairwiseOnDemand]: 473/481 looper letters, 47 selfloop transitions, 20 changer transitions 6/73 dead transitions. [2023-08-25 05:42:28,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 73 transitions, 508 flow [2023-08-25 05:42:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-25 05:42:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-25 05:42:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1314 transitions. [2023-08-25 05:42:28,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39025839025839026 [2023-08-25 05:42:28,762 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1314 transitions. [2023-08-25 05:42:28,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1314 transitions. [2023-08-25 05:42:28,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:28,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1314 transitions. [2023-08-25 05:42:28,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 187.71428571428572) internal successors, (1314), 7 states have internal predecessors, (1314), 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 05:42:28,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:28,785 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:28,785 INFO L175 Difference]: Start difference. First operand has 61 places, 38 transitions, 217 flow. Second operand 7 states and 1314 transitions. [2023-08-25 05:42:28,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 73 transitions, 508 flow [2023-08-25 05:42:28,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 73 transitions, 455 flow, removed 9 selfloop flow, removed 9 redundant places. [2023-08-25 05:42:28,788 INFO L231 Difference]: Finished difference. Result has 56 places, 47 transitions, 297 flow [2023-08-25 05:42:28,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=297, PETRI_PLACES=56, PETRI_TRANSITIONS=47} [2023-08-25 05:42:28,790 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -29 predicate places. [2023-08-25 05:42:28,790 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 47 transitions, 297 flow [2023-08-25 05:42:28,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:28,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:28,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:28,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 05:42:28,791 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:28,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:28,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1873465674, now seen corresponding path program 10 times [2023-08-25 05:42:28,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:28,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774949463] [2023-08-25 05:42:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:28,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:28,972 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 05:42:28,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:28,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774949463] [2023-08-25 05:42:28,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774949463] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:28,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:28,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:28,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451733508] [2023-08-25 05:42:28,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:28,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:28,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:28,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:28,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:28,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:28,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 47 transitions, 297 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:28,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:28,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:28,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:29,121 INFO L124 PetriNetUnfolderBase]: 145/312 cut-off events. [2023-08-25 05:42:29,122 INFO L125 PetriNetUnfolderBase]: For 456/456 co-relation queries the response was YES. [2023-08-25 05:42:29,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 312 events. 145/312 cut-off events. For 456/456 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1159 event pairs, 16 based on Foata normal form. 8/320 useless extension candidates. Maximal degree in co-relation 1054. Up to 106 conditions per place. [2023-08-25 05:42:29,124 INFO L140 encePairwiseOnDemand]: 473/481 looper letters, 38 selfloop transitions, 16 changer transitions 20/74 dead transitions. [2023-08-25 05:42:29,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 74 transitions, 514 flow [2023-08-25 05:42:29,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 05:42:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 05:42:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1494 transitions. [2023-08-25 05:42:29,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38825363825363823 [2023-08-25 05:42:29,128 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1494 transitions. [2023-08-25 05:42:29,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1494 transitions. [2023-08-25 05:42:29,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:29,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1494 transitions. [2023-08-25 05:42:29,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 186.75) internal successors, (1494), 8 states have internal predecessors, (1494), 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 05:42:29,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:29,137 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 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 05:42:29,137 INFO L175 Difference]: Start difference. First operand has 56 places, 47 transitions, 297 flow. Second operand 8 states and 1494 transitions. [2023-08-25 05:42:29,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 74 transitions, 514 flow [2023-08-25 05:42:29,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 74 transitions, 451 flow, removed 19 selfloop flow, removed 6 redundant places. [2023-08-25 05:42:29,141 INFO L231 Difference]: Finished difference. Result has 57 places, 39 transitions, 221 flow [2023-08-25 05:42:29,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=221, PETRI_PLACES=57, PETRI_TRANSITIONS=39} [2023-08-25 05:42:29,141 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -28 predicate places. [2023-08-25 05:42:29,141 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 39 transitions, 221 flow [2023-08-25 05:42:29,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:29,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:29,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:29,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 05:42:29,142 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:29,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:29,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1629475700, now seen corresponding path program 11 times [2023-08-25 05:42:29,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:29,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085400779] [2023-08-25 05:42:29,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:29,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:29,316 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 05:42:29,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:29,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085400779] [2023-08-25 05:42:29,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085400779] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:29,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:29,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:29,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186445977] [2023-08-25 05:42:29,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:29,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:29,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:29,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:29,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:29,320 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:29,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 39 transitions, 221 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:29,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:29,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:29,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:29,449 INFO L124 PetriNetUnfolderBase]: 77/174 cut-off events. [2023-08-25 05:42:29,449 INFO L125 PetriNetUnfolderBase]: For 275/275 co-relation queries the response was YES. [2023-08-25 05:42:29,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 598 conditions, 174 events. 77/174 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 489 event pairs, 18 based on Foata normal form. 6/180 useless extension candidates. Maximal degree in co-relation 584. Up to 124 conditions per place. [2023-08-25 05:42:29,451 INFO L140 encePairwiseOnDemand]: 475/481 looper letters, 33 selfloop transitions, 5 changer transitions 8/46 dead transitions. [2023-08-25 05:42:29,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 46 transitions, 317 flow [2023-08-25 05:42:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-25 05:42:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-25 05:42:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1288 transitions. [2023-08-25 05:42:29,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38253638253638256 [2023-08-25 05:42:29,455 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1288 transitions. [2023-08-25 05:42:29,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1288 transitions. [2023-08-25 05:42:29,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:29,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1288 transitions. [2023-08-25 05:42:29,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 184.0) internal successors, (1288), 7 states have internal predecessors, (1288), 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 05:42:29,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:29,464 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:29,464 INFO L175 Difference]: Start difference. First operand has 57 places, 39 transitions, 221 flow. Second operand 7 states and 1288 transitions. [2023-08-25 05:42:29,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 46 transitions, 317 flow [2023-08-25 05:42:29,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 46 transitions, 274 flow, removed 2 selfloop flow, removed 11 redundant places. [2023-08-25 05:42:29,466 INFO L231 Difference]: Finished difference. Result has 52 places, 33 transitions, 151 flow [2023-08-25 05:42:29,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=151, PETRI_PLACES=52, PETRI_TRANSITIONS=33} [2023-08-25 05:42:29,468 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -33 predicate places. [2023-08-25 05:42:29,468 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 33 transitions, 151 flow [2023-08-25 05:42:29,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:29,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:29,468 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:29,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 05:42:29,469 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:29,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:29,469 INFO L85 PathProgramCache]: Analyzing trace with hash 226871536, now seen corresponding path program 12 times [2023-08-25 05:42:29,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:29,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99171017] [2023-08-25 05:42:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:29,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:42:29,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:29,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99171017] [2023-08-25 05:42:29,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99171017] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:29,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:29,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:29,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719856441] [2023-08-25 05:42:29,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:29,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:29,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:29,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:29,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:29,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 33 transitions, 151 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:29,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:29,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:29,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:29,723 INFO L124 PetriNetUnfolderBase]: 52/127 cut-off events. [2023-08-25 05:42:29,723 INFO L125 PetriNetUnfolderBase]: For 138/138 co-relation queries the response was YES. [2023-08-25 05:42:29,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 127 events. 52/127 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 307 event pairs, 10 based on Foata normal form. 6/133 useless extension candidates. Maximal degree in co-relation 394. Up to 77 conditions per place. [2023-08-25 05:42:29,724 INFO L140 encePairwiseOnDemand]: 475/481 looper letters, 27 selfloop transitions, 3 changer transitions 13/43 dead transitions. [2023-08-25 05:42:29,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 43 transitions, 258 flow [2023-08-25 05:42:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-25 05:42:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-25 05:42:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1287 transitions. [2023-08-25 05:42:29,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38223938223938225 [2023-08-25 05:42:29,728 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1287 transitions. [2023-08-25 05:42:29,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1287 transitions. [2023-08-25 05:42:29,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:29,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1287 transitions. [2023-08-25 05:42:29,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 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 05:42:29,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:29,736 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:29,736 INFO L175 Difference]: Start difference. First operand has 52 places, 33 transitions, 151 flow. Second operand 7 states and 1287 transitions. [2023-08-25 05:42:29,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 43 transitions, 258 flow [2023-08-25 05:42:29,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 43 transitions, 238 flow, removed 2 selfloop flow, removed 8 redundant places. [2023-08-25 05:42:29,739 INFO L231 Difference]: Finished difference. Result has 48 places, 28 transitions, 107 flow [2023-08-25 05:42:29,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=107, PETRI_PLACES=48, PETRI_TRANSITIONS=28} [2023-08-25 05:42:29,740 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -37 predicate places. [2023-08-25 05:42:29,741 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 28 transitions, 107 flow [2023-08-25 05:42:29,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:29,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:42:29,741 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:42:29,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-25 05:42:29,741 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-08-25 05:42:29,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:42:29,742 INFO L85 PathProgramCache]: Analyzing trace with hash -206544880, now seen corresponding path program 13 times [2023-08-25 05:42:29,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:42:29,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88659415] [2023-08-25 05:42:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:42:29,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:42:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:42:29,903 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 05:42:29,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:42:29,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88659415] [2023-08-25 05:42:29,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88659415] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:42:29,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:42:29,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-25 05:42:29,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56609097] [2023-08-25 05:42:29,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:42:29,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:42:29,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:42:29,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:42:29,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:42:29,907 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 481 [2023-08-25 05:42:29,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 28 transitions, 107 flow. Second operand has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:29,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:42:29,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 481 [2023-08-25 05:42:29,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:42:29,956 INFO L124 PetriNetUnfolderBase]: 14/41 cut-off events. [2023-08-25 05:42:29,956 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-08-25 05:42:29,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 41 events. 14/41 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 6/47 useless extension candidates. Maximal degree in co-relation 118. Up to 13 conditions per place. [2023-08-25 05:42:29,957 INFO L140 encePairwiseOnDemand]: 475/481 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2023-08-25 05:42:29,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 21 transitions, 113 flow [2023-08-25 05:42:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-25 05:42:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-25 05:42:29,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1268 transitions. [2023-08-25 05:42:29,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37659637659637657 [2023-08-25 05:42:29,961 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1268 transitions. [2023-08-25 05:42:29,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1268 transitions. [2023-08-25 05:42:29,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:42:29,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1268 transitions. [2023-08-25 05:42:29,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 181.14285714285714) internal successors, (1268), 7 states have internal predecessors, (1268), 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 05:42:29,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:29,969 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 481.0) internal successors, (3848), 8 states have internal predecessors, (3848), 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 05:42:29,969 INFO L175 Difference]: Start difference. First operand has 48 places, 28 transitions, 107 flow. Second operand 7 states and 1268 transitions. [2023-08-25 05:42:29,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 21 transitions, 113 flow [2023-08-25 05:42:29,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 97 flow, removed 2 selfloop flow, removed 7 redundant places. [2023-08-25 05:42:29,970 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-08-25 05:42:29,970 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-08-25 05:42:29,970 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -54 predicate places. [2023-08-25 05:42:29,970 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-08-25 05:42:29,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 181.71428571428572) internal successors, (1272), 7 states have internal predecessors, (1272), 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 05:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (84 of 85 remaining) [2023-08-25 05:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (83 of 85 remaining) [2023-08-25 05:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (82 of 85 remaining) [2023-08-25 05:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (81 of 85 remaining) [2023-08-25 05:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (80 of 85 remaining) [2023-08-25 05:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (79 of 85 remaining) [2023-08-25 05:42:29,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (78 of 85 remaining) [2023-08-25 05:42:29,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (77 of 85 remaining) [2023-08-25 05:42:29,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (76 of 85 remaining) [2023-08-25 05:42:29,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (75 of 85 remaining) [2023-08-25 05:42:29,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 85 remaining) [2023-08-25 05:42:29,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 85 remaining) [2023-08-25 05:42:29,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (63 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (62 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (61 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (60 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (59 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (58 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (57 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (56 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (55 of 85 remaining) [2023-08-25 05:42:29,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (54 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (53 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (48 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (47 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (46 of 85 remaining) [2023-08-25 05:42:29,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (45 of 85 remaining) [2023-08-25 05:42:29,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 85 remaining) [2023-08-25 05:42:29,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (42 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (40 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (39 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (35 of 85 remaining) [2023-08-25 05:42:29,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 85 remaining) [2023-08-25 05:42:29,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 85 remaining) [2023-08-25 05:42:29,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 85 remaining) [2023-08-25 05:42:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 85 remaining) [2023-08-25 05:42:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 85 remaining) [2023-08-25 05:42:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 85 remaining) [2023-08-25 05:42:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 85 remaining) [2023-08-25 05:42:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 85 remaining) [2023-08-25 05:42:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 85 remaining) [2023-08-25 05:42:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 85 remaining) [2023-08-25 05:42:29,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-25 05:42:29,985 INFO L445 BasicCegarLoop]: Path program histogram: [13, 1] [2023-08-25 05:42:29,990 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 05:42:29,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 05:42:29,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 05:42:29 BasicIcfg [2023-08-25 05:42:29,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 05:42:29,993 INFO L158 Benchmark]: Toolchain (without parser) took 13398.46ms. Allocated memory was 346.0MB in the beginning and 557.8MB in the end (delta: 211.8MB). Free memory was 322.8MB in the beginning and 226.8MB in the end (delta: 96.0MB). Peak memory consumption was 309.6MB. Max. memory is 16.0GB. [2023-08-25 05:42:29,994 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 346.0MB. Free memory was 323.4MB in the beginning and 323.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 05:42:29,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.86ms. Allocated memory is still 346.0MB. Free memory was 322.1MB in the beginning and 310.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 05:42:29,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.46ms. Allocated memory is still 346.0MB. Free memory was 310.2MB in the beginning and 308.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 05:42:29,994 INFO L158 Benchmark]: Boogie Preprocessor took 39.59ms. Allocated memory is still 346.0MB. Free memory was 308.1MB in the beginning and 306.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 05:42:29,995 INFO L158 Benchmark]: RCFGBuilder took 840.87ms. Allocated memory is still 346.0MB. Free memory was 306.0MB in the beginning and 258.5MB in the end (delta: 47.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.0GB. [2023-08-25 05:42:29,995 INFO L158 Benchmark]: TraceAbstraction took 12174.70ms. Allocated memory was 346.0MB in the beginning and 557.8MB in the end (delta: 211.8MB). Free memory was 257.8MB in the beginning and 226.8MB in the end (delta: 31.0MB). Peak memory consumption was 244.6MB. Max. memory is 16.0GB. [2023-08-25 05:42:29,996 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 346.0MB. Free memory was 323.4MB in the beginning and 323.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 260.86ms. Allocated memory is still 346.0MB. Free memory was 322.1MB in the beginning and 310.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 66.46ms. Allocated memory is still 346.0MB. Free memory was 310.2MB in the beginning and 308.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 39.59ms. Allocated memory is still 346.0MB. Free memory was 308.1MB in the beginning and 306.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 840.87ms. Allocated memory is still 346.0MB. Free memory was 306.0MB in the beginning and 258.5MB in the end (delta: 47.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.0GB. * TraceAbstraction took 12174.70ms. Allocated memory was 346.0MB in the beginning and 557.8MB in the end (delta: 211.8MB). Free memory was 257.8MB in the beginning and 226.8MB in the end (delta: 31.0MB). Peak memory consumption was 244.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.1s, 232 PlacesBefore, 85 PlacesAfterwards, 227 TransitionsBefore, 75 TransitionsAfterwards, 4182 CoEnabledTransitionPairs, 9 FixpointIterations, 176 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 0 ConcurrentYvCompositions, 5 ChoiceCompositions, 240 TotalNumberOfCompositions, 26265 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11199, independent: 10633, independent conditional: 0, independent unconditional: 10633, dependent: 566, dependent conditional: 0, dependent unconditional: 566, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1961, independent: 1922, independent conditional: 0, independent unconditional: 1922, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11199, independent: 8711, independent conditional: 0, independent unconditional: 8711, dependent: 527, dependent conditional: 0, dependent unconditional: 527, unknown: 1961, unknown conditional: 0, unknown unconditional: 1961] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 543, Positive conditional cache size: 0, Positive unconditional cache size: 543, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: 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, 294 locations, 85 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: 12.0s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 330 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2191 IncrementalHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 0 mSDtfsCounter, 2191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=4, InterpolantAutomatonStates: 91, 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, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 1328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 50 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 05:42:30,024 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...