/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/chl-time-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 19:22:21,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 19:22:21,962 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 19:22:21,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 19:22:21,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 19:22:21,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 19:22:21,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 19:22:21,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 19:22:21,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 19:22:21,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 19:22:21,980 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 19:22:21,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 19:22:21,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 19:22:21,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 19:22:21,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 19:22:21,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 19:22:21,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 19:22:21,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 19:22:21,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 19:22:21,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 19:22:21,982 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 19:22:21,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 19:22:21,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 19:22:21,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 19:22:21,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 19:22:21,983 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 19:22:21,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 19:22:21,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 19:22:21,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 19:22:21,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 19:22:21,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 19:22:21,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 19:22:21,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 19:22:21,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 19:22:21,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 19:22:21,985 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 19:22:22,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 19:22:22,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 19:22:22,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 19:22:22,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 19:22:22,222 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 19:22:22,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2023-08-25 19:22:23,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 19:22:23,406 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 19:22:23,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2023-08-25 19:22:23,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e92909f4/598aafaab8f54103995e727f37c4b7b8/FLAG88599bc94 [2023-08-25 19:22:23,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e92909f4/598aafaab8f54103995e727f37c4b7b8 [2023-08-25 19:22:23,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 19:22:23,798 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 19:22:23,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 19:22:23,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 19:22:23,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 19:22:23,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:22:23" (1/1) ... [2023-08-25 19:22:23,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d228998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:23, skipping insertion in model container [2023-08-25 19:22:23,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:22:23" (1/1) ... [2023-08-25 19:22:23,821 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 19:22:23,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 19:22:23,967 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 19:22:24,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 19:22:24,005 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 19:22:24,006 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 19:22:24,011 INFO L206 MainTranslator]: Completed translation [2023-08-25 19:22:24,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24 WrapperNode [2023-08-25 19:22:24,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 19:22:24,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 19:22:24,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 19:22:24,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 19:22:24,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,067 INFO L138 Inliner]: procedures = 23, calls = 40, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 350 [2023-08-25 19:22:24,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 19:22:24,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 19:22:24,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 19:22:24,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 19:22:24,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 19:22:24,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 19:22:24,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 19:22:24,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 19:22:24,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (1/1) ... [2023-08-25 19:22:24,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 19:22:24,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 19:22:24,127 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 19:22:24,161 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 19:22:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 19:22:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 19:22:24,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 19:22:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 19:22:24,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 19:22:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 19:22:24,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 19:22:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 19:22:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 19:22:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 19:22:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 19:22:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 19:22:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 19:22:24,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 19:22:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 19:22:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 19:22:24,187 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 19:22:24,287 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 19:22:24,289 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 19:22:24,630 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 19:22:24,887 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 19:22:24,888 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 19:22:24,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:22:24 BoogieIcfgContainer [2023-08-25 19:22:24,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 19:22:24,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 19:22:24,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 19:22:24,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 19:22:24,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 07:22:23" (1/3) ... [2023-08-25 19:22:24,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd68d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:22:24, skipping insertion in model container [2023-08-25 19:22:24,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:24" (2/3) ... [2023-08-25 19:22:24,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd68d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:22:24, skipping insertion in model container [2023-08-25 19:22:24,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:22:24" (3/3) ... [2023-08-25 19:22:24,899 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-trans.wvr.c [2023-08-25 19:22:24,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 19:22:24,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-08-25 19:22:24,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 19:22:24,999 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-25 19:22:25,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 228 places, 221 transitions, 466 flow [2023-08-25 19:22:25,098 INFO L124 PetriNetUnfolderBase]: 3/218 cut-off events. [2023-08-25 19:22:25,098 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 19:22:25,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 218 events. 3/218 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 171 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-08-25 19:22:25,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 228 places, 221 transitions, 466 flow [2023-08-25 19:22:25,111 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 214 places, 207 transitions, 432 flow [2023-08-25 19:22:25,114 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 19:22:25,123 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 207 transitions, 432 flow [2023-08-25 19:22:25,125 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 207 transitions, 432 flow [2023-08-25 19:22:25,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 207 transitions, 432 flow [2023-08-25 19:22:25,156 INFO L124 PetriNetUnfolderBase]: 3/207 cut-off events. [2023-08-25 19:22:25,156 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 19:22:25,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 207 events. 3/207 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 177 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2023-08-25 19:22:25,158 INFO L119 LiptonReduction]: Number of co-enabled transitions 2310 [2023-08-25 19:22:30,784 INFO L134 LiptonReduction]: Checked pairs total: 2679 [2023-08-25 19:22:30,784 INFO L136 LiptonReduction]: Total number of compositions: 212 [2023-08-25 19:22:30,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 19:22:30,797 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;@7b2a1f6f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 19:22:30,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2023-08-25 19:22:30,797 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 19:22:30,797 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 19:22:30,798 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 19:22:30,798 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:30,798 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 19:22:30,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-08-25 19:22:30,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:30,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2023-08-25 19:22:30,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:30,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993662011] [2023-08-25 19:22:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:30,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:30,861 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 19:22:30,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:30,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993662011] [2023-08-25 19:22:30,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993662011] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:30,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:30,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 19:22:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015291787] [2023-08-25 19:22:30,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:30,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 19:22:30,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:30,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 19:22:30,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 19:22:30,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 433 [2023-08-25 19:22:30,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 128 flow. Second operand has 2 states, 2 states have (on average 186.5) internal successors, (373), 2 states have internal predecessors, (373), 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 19:22:30,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:30,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 433 [2023-08-25 19:22:30,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:30,942 INFO L124 PetriNetUnfolderBase]: 37/80 cut-off events. [2023-08-25 19:22:30,942 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-08-25 19:22:30,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 80 events. 37/80 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 150 event pairs, 37 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 120. Up to 81 conditions per place. [2023-08-25 19:22:30,945 INFO L140 encePairwiseOnDemand]: 394/433 looper letters, 16 selfloop transitions, 0 changer transitions 0/16 dead transitions. [2023-08-25 19:22:30,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 16 transitions, 82 flow [2023-08-25 19:22:30,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 19:22:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 19:22:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 427 transitions. [2023-08-25 19:22:30,958 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4930715935334873 [2023-08-25 19:22:30,958 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 427 transitions. [2023-08-25 19:22:30,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 427 transitions. [2023-08-25 19:22:30,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:30,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 427 transitions. [2023-08-25 19:22:30,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 213.5) internal successors, (427), 2 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 19:22:30,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 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 19:22:30,969 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 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 19:22:30,970 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 128 flow. Second operand 2 states and 427 transitions. [2023-08-25 19:22:30,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 16 transitions, 82 flow [2023-08-25 19:22:30,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 16 transitions, 70 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-25 19:22:30,973 INFO L231 Difference]: Finished difference. Result has 21 places, 16 transitions, 38 flow [2023-08-25 19:22:30,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=38, PETRI_PLACES=21, PETRI_TRANSITIONS=16} [2023-08-25 19:22:30,977 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -44 predicate places. [2023-08-25 19:22:30,977 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 16 transitions, 38 flow [2023-08-25 19:22:30,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 186.5) internal successors, (373), 2 states have internal predecessors, (373), 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 19:22:30,977 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:30,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:30,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 19:22:30,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-08-25 19:22:30,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:30,978 INFO L85 PathProgramCache]: Analyzing trace with hash -760278953, now seen corresponding path program 1 times [2023-08-25 19:22:30,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:30,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627393425] [2023-08-25 19:22:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:31,913 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 19:22:31,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:31,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627393425] [2023-08-25 19:22:31,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627393425] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:31,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:31,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:31,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338422015] [2023-08-25 19:22:31,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:31,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:31,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:31,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:31,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:31,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 433 [2023-08-25 19:22:31,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 16 transitions, 38 flow. Second operand has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:31,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:31,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 433 [2023-08-25 19:22:31,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:32,088 INFO L124 PetriNetUnfolderBase]: 40/106 cut-off events. [2023-08-25 19:22:32,089 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 19:22:32,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 106 events. 40/106 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 342 event pairs, 7 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 220. Up to 48 conditions per place. [2023-08-25 19:22:32,090 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 28 selfloop transitions, 2 changer transitions 9/39 dead transitions. [2023-08-25 19:22:32,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 39 transitions, 171 flow [2023-08-25 19:22:32,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 865 transitions. [2023-08-25 19:22:32,093 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3995381062355658 [2023-08-25 19:22:32,093 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 865 transitions. [2023-08-25 19:22:32,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 865 transitions. [2023-08-25 19:22:32,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:32,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 865 transitions. [2023-08-25 19:22:32,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 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 19:22:32,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:32,099 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:32,099 INFO L175 Difference]: Start difference. First operand has 21 places, 16 transitions, 38 flow. Second operand 5 states and 865 transitions. [2023-08-25 19:22:32,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 39 transitions, 171 flow [2023-08-25 19:22:32,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 39 transitions, 171 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 19:22:32,100 INFO L231 Difference]: Finished difference. Result has 28 places, 17 transitions, 53 flow [2023-08-25 19:22:32,100 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=53, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2023-08-25 19:22:32,101 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -37 predicate places. [2023-08-25 19:22:32,101 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 17 transitions, 53 flow [2023-08-25 19:22:32,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:32,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:32,102 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:32,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 19:22:32,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-08-25 19:22:32,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:32,102 INFO L85 PathProgramCache]: Analyzing trace with hash 225938645, now seen corresponding path program 2 times [2023-08-25 19:22:32,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:32,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062554740] [2023-08-25 19:22:32,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:32,534 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 19:22:32,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:32,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062554740] [2023-08-25 19:22:32,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062554740] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:32,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:32,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:32,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782841868] [2023-08-25 19:22:32,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:32,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:32,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:32,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:32,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:32,538 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 433 [2023-08-25 19:22:32,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 17 transitions, 53 flow. Second operand has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:32,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:32,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 433 [2023-08-25 19:22:32,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:32,684 INFO L124 PetriNetUnfolderBase]: 34/110 cut-off events. [2023-08-25 19:22:32,684 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2023-08-25 19:22:32,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 110 events. 34/110 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 380 event pairs, 11 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 287. Up to 54 conditions per place. [2023-08-25 19:22:32,685 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 28 selfloop transitions, 3 changer transitions 7/38 dead transitions. [2023-08-25 19:22:32,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 38 transitions, 189 flow [2023-08-25 19:22:32,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 863 transitions. [2023-08-25 19:22:32,687 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39861431870669745 [2023-08-25 19:22:32,687 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 863 transitions. [2023-08-25 19:22:32,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 863 transitions. [2023-08-25 19:22:32,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:32,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 863 transitions. [2023-08-25 19:22:32,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.6) internal successors, (863), 5 states have internal predecessors, (863), 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 19:22:32,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:32,693 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:32,693 INFO L175 Difference]: Start difference. First operand has 28 places, 17 transitions, 53 flow. Second operand 5 states and 863 transitions. [2023-08-25 19:22:32,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 38 transitions, 189 flow [2023-08-25 19:22:32,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 38 transitions, 182 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-25 19:22:32,695 INFO L231 Difference]: Finished difference. Result has 32 places, 18 transitions, 70 flow [2023-08-25 19:22:32,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=70, PETRI_PLACES=32, PETRI_TRANSITIONS=18} [2023-08-25 19:22:32,696 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -33 predicate places. [2023-08-25 19:22:32,697 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 18 transitions, 70 flow [2023-08-25 19:22:32,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:32,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:32,697 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:32,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 19:22:32,700 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-08-25 19:22:32,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:32,700 INFO L85 PathProgramCache]: Analyzing trace with hash 982790753, now seen corresponding path program 3 times [2023-08-25 19:22:32,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:32,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592668756] [2023-08-25 19:22:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:32,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:33,071 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 19:22:33,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:33,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592668756] [2023-08-25 19:22:33,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592668756] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:33,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:33,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818640678] [2023-08-25 19:22:33,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:33,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:33,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:33,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:33,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:33,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 433 [2023-08-25 19:22:33,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 18 transitions, 70 flow. Second operand has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:33,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:33,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 433 [2023-08-25 19:22:33,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:33,204 INFO L124 PetriNetUnfolderBase]: 35/115 cut-off events. [2023-08-25 19:22:33,204 INFO L125 PetriNetUnfolderBase]: For 215/215 co-relation queries the response was YES. [2023-08-25 19:22:33,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 115 events. 35/115 cut-off events. For 215/215 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 429 event pairs, 10 based on Foata normal form. 1/116 useless extension candidates. Maximal degree in co-relation 359. Up to 62 conditions per place. [2023-08-25 19:22:33,205 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 26 selfloop transitions, 2 changer transitions 11/39 dead transitions. [2023-08-25 19:22:33,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 39 transitions, 217 flow [2023-08-25 19:22:33,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 863 transitions. [2023-08-25 19:22:33,207 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39861431870669745 [2023-08-25 19:22:33,207 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 863 transitions. [2023-08-25 19:22:33,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 863 transitions. [2023-08-25 19:22:33,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:33,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 863 transitions. [2023-08-25 19:22:33,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.6) internal successors, (863), 5 states have internal predecessors, (863), 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 19:22:33,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:33,213 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:33,213 INFO L175 Difference]: Start difference. First operand has 32 places, 18 transitions, 70 flow. Second operand 5 states and 863 transitions. [2023-08-25 19:22:33,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 39 transitions, 217 flow [2023-08-25 19:22:33,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 39 transitions, 206 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-25 19:22:33,214 INFO L231 Difference]: Finished difference. Result has 36 places, 18 transitions, 77 flow [2023-08-25 19:22:33,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=77, PETRI_PLACES=36, PETRI_TRANSITIONS=18} [2023-08-25 19:22:33,215 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -29 predicate places. [2023-08-25 19:22:33,215 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 18 transitions, 77 flow [2023-08-25 19:22:33,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:33,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:33,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:33,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 19:22:33,216 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-08-25 19:22:33,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:33,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1939469551, now seen corresponding path program 4 times [2023-08-25 19:22:33,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:33,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4136928] [2023-08-25 19:22:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:33,620 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 19:22:33,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4136928] [2023-08-25 19:22:33,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4136928] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:33,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:33,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:33,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37549508] [2023-08-25 19:22:33,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:33,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:33,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:33,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 433 [2023-08-25 19:22:33,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 18 transitions, 77 flow. Second operand has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:33,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:33,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 433 [2023-08-25 19:22:33,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:33,755 INFO L124 PetriNetUnfolderBase]: 28/94 cut-off events. [2023-08-25 19:22:33,756 INFO L125 PetriNetUnfolderBase]: For 308/308 co-relation queries the response was YES. [2023-08-25 19:22:33,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 94 events. 28/94 cut-off events. For 308/308 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 277 event pairs, 16 based on Foata normal form. 1/95 useless extension candidates. Maximal degree in co-relation 326. Up to 52 conditions per place. [2023-08-25 19:22:33,758 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 28 selfloop transitions, 3 changer transitions 9/40 dead transitions. [2023-08-25 19:22:33,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 237 flow [2023-08-25 19:22:33,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 863 transitions. [2023-08-25 19:22:33,760 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39861431870669745 [2023-08-25 19:22:33,760 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 863 transitions. [2023-08-25 19:22:33,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 863 transitions. [2023-08-25 19:22:33,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:33,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 863 transitions. [2023-08-25 19:22:33,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.6) internal successors, (863), 5 states have internal predecessors, (863), 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 19:22:33,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:33,767 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:33,767 INFO L175 Difference]: Start difference. First operand has 36 places, 18 transitions, 77 flow. Second operand 5 states and 863 transitions. [2023-08-25 19:22:33,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 237 flow [2023-08-25 19:22:33,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 40 transitions, 218 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-08-25 19:22:33,772 INFO L231 Difference]: Finished difference. Result has 38 places, 18 transitions, 84 flow [2023-08-25 19:22:33,772 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=84, PETRI_PLACES=38, PETRI_TRANSITIONS=18} [2023-08-25 19:22:33,773 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -27 predicate places. [2023-08-25 19:22:33,773 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 18 transitions, 84 flow [2023-08-25 19:22:33,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:33,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:33,774 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:33,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 19:22:33,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-08-25 19:22:33,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:33,774 INFO L85 PathProgramCache]: Analyzing trace with hash 77919193, now seen corresponding path program 5 times [2023-08-25 19:22:33,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:33,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362505791] [2023-08-25 19:22:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:33,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:34,124 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 19:22:34,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:34,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362505791] [2023-08-25 19:22:34,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362505791] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:34,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:34,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:34,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438487653] [2023-08-25 19:22:34,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:34,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:34,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:34,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:34,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:34,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 433 [2023-08-25 19:22:34,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 18 transitions, 84 flow. Second operand has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:34,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:34,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 433 [2023-08-25 19:22:34,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:34,244 INFO L124 PetriNetUnfolderBase]: 21/69 cut-off events. [2023-08-25 19:22:34,244 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2023-08-25 19:22:34,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 69 events. 21/69 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 163 event pairs, 7 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 256. Up to 29 conditions per place. [2023-08-25 19:22:34,245 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 18 selfloop transitions, 1 changer transitions 18/37 dead transitions. [2023-08-25 19:22:34,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 37 transitions, 210 flow [2023-08-25 19:22:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 862 transitions. [2023-08-25 19:22:34,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39815242494226327 [2023-08-25 19:22:34,250 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 862 transitions. [2023-08-25 19:22:34,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 862 transitions. [2023-08-25 19:22:34,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:34,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 862 transitions. [2023-08-25 19:22:34,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.4) internal successors, (862), 5 states have internal predecessors, (862), 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 19:22:34,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:34,255 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:34,255 INFO L175 Difference]: Start difference. First operand has 38 places, 18 transitions, 84 flow. Second operand 5 states and 862 transitions. [2023-08-25 19:22:34,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 37 transitions, 210 flow [2023-08-25 19:22:34,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 37 transitions, 198 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-08-25 19:22:34,256 INFO L231 Difference]: Finished difference. Result has 39 places, 16 transitions, 63 flow [2023-08-25 19:22:34,256 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=63, PETRI_PLACES=39, PETRI_TRANSITIONS=16} [2023-08-25 19:22:34,256 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -26 predicate places. [2023-08-25 19:22:34,257 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 16 transitions, 63 flow [2023-08-25 19:22:34,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:34,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:34,257 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:34,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 19:22:34,257 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-08-25 19:22:34,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:34,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1810395291, now seen corresponding path program 6 times [2023-08-25 19:22:34,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:34,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900569566] [2023-08-25 19:22:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:34,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:34,693 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 19:22:34,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:34,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900569566] [2023-08-25 19:22:34,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900569566] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:34,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:34,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:34,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565921737] [2023-08-25 19:22:34,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:34,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:34,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:34,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:34,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:34,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 433 [2023-08-25 19:22:34,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 16 transitions, 63 flow. Second operand has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:34,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:34,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 433 [2023-08-25 19:22:34,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:34,820 INFO L124 PetriNetUnfolderBase]: 10/38 cut-off events. [2023-08-25 19:22:34,820 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2023-08-25 19:22:34,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 38 events. 10/38 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 5 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 135. Up to 21 conditions per place. [2023-08-25 19:22:34,821 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2023-08-25 19:22:34,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 23 transitions, 129 flow [2023-08-25 19:22:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 849 transitions. [2023-08-25 19:22:34,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39214780600461896 [2023-08-25 19:22:34,823 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 849 transitions. [2023-08-25 19:22:34,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 849 transitions. [2023-08-25 19:22:34,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:34,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 849 transitions. [2023-08-25 19:22:34,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 169.8) internal successors, (849), 5 states have internal predecessors, (849), 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 19:22:34,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:34,827 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 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 19:22:34,827 INFO L175 Difference]: Start difference. First operand has 39 places, 16 transitions, 63 flow. Second operand 5 states and 849 transitions. [2023-08-25 19:22:34,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 23 transitions, 129 flow [2023-08-25 19:22:34,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 23 transitions, 111 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-08-25 19:22:34,828 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-08-25 19:22:34,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=27, 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=5, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-08-25 19:22:34,830 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -34 predicate places. [2023-08-25 19:22:34,831 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-08-25 19:22:34,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 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 19:22:34,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (66 of 67 remaining) [2023-08-25 19:22:34,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (65 of 67 remaining) [2023-08-25 19:22:34,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (64 of 67 remaining) [2023-08-25 19:22:34,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (63 of 67 remaining) [2023-08-25 19:22:34,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (62 of 67 remaining) [2023-08-25 19:22:34,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (61 of 67 remaining) [2023-08-25 19:22:34,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (60 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (59 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (58 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (57 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (56 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (55 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (53 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (52 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (51 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (50 of 67 remaining) [2023-08-25 19:22:34,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (49 of 67 remaining) [2023-08-25 19:22:34,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (48 of 67 remaining) [2023-08-25 19:22:34,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (47 of 67 remaining) [2023-08-25 19:22:34,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (46 of 67 remaining) [2023-08-25 19:22:34,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (45 of 67 remaining) [2023-08-25 19:22:34,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (44 of 67 remaining) [2023-08-25 19:22:34,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (43 of 67 remaining) [2023-08-25 19:22:34,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 67 remaining) [2023-08-25 19:22:34,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 67 remaining) [2023-08-25 19:22:34,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 67 remaining) [2023-08-25 19:22:34,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 67 remaining) [2023-08-25 19:22:34,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (28 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONASSERT (27 of 67 remaining) [2023-08-25 19:22:34,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 67 remaining) [2023-08-25 19:22:34,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 67 remaining) [2023-08-25 19:22:34,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 67 remaining) [2023-08-25 19:22:34,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 67 remaining) [2023-08-25 19:22:34,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 67 remaining) [2023-08-25 19:22:34,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 67 remaining) [2023-08-25 19:22:34,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 67 remaining) [2023-08-25 19:22:34,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 67 remaining) [2023-08-25 19:22:34,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 67 remaining) [2023-08-25 19:22:34,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 19:22:34,844 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1] [2023-08-25 19:22:34,849 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 19:22:34,849 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 19:22:34,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 07:22:34 BasicIcfg [2023-08-25 19:22:34,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 19:22:34,853 INFO L158 Benchmark]: Toolchain (without parser) took 11055.34ms. Allocated memory was 381.7MB in the beginning and 595.6MB in the end (delta: 213.9MB). Free memory was 356.2MB in the beginning and 337.0MB in the end (delta: 19.2MB). Peak memory consumption was 233.8MB. Max. memory is 16.0GB. [2023-08-25 19:22:34,853 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 381.7MB. Free memory is still 357.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 19:22:34,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.87ms. Allocated memory is still 381.7MB. Free memory was 355.6MB in the beginning and 343.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 19:22:34,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.90ms. Allocated memory is still 381.7MB. Free memory was 343.7MB in the beginning and 341.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 19:22:34,856 INFO L158 Benchmark]: Boogie Preprocessor took 35.87ms. Allocated memory is still 381.7MB. Free memory was 341.1MB in the beginning and 339.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 19:22:34,856 INFO L158 Benchmark]: RCFGBuilder took 787.36ms. Allocated memory is still 381.7MB. Free memory was 339.0MB in the beginning and 291.6MB in the end (delta: 47.4MB). Peak memory consumption was 48.5MB. Max. memory is 16.0GB. [2023-08-25 19:22:34,856 INFO L158 Benchmark]: TraceAbstraction took 9959.31ms. Allocated memory was 381.7MB in the beginning and 595.6MB in the end (delta: 213.9MB). Free memory was 290.7MB in the beginning and 337.0MB in the end (delta: -46.3MB). Peak memory consumption was 166.4MB. Max. memory is 16.0GB. [2023-08-25 19:22:34,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 381.7MB. Free memory is still 357.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 212.87ms. Allocated memory is still 381.7MB. Free memory was 355.6MB in the beginning and 343.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.90ms. Allocated memory is still 381.7MB. Free memory was 343.7MB in the beginning and 341.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 35.87ms. Allocated memory is still 381.7MB. Free memory was 341.1MB in the beginning and 339.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 787.36ms. Allocated memory is still 381.7MB. Free memory was 339.0MB in the beginning and 291.6MB in the end (delta: 47.4MB). Peak memory consumption was 48.5MB. Max. memory is 16.0GB. * TraceAbstraction took 9959.31ms. Allocated memory was 381.7MB in the beginning and 595.6MB in the end (delta: 213.9MB). Free memory was 290.7MB in the beginning and 337.0MB in the end (delta: -46.3MB). Peak memory consumption was 166.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.7s, 214 PlacesBefore, 65 PlacesAfterwards, 207 TransitionsBefore, 55 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 9 FixpointIterations, 158 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 0 ConcurrentYvCompositions, 3 ChoiceCompositions, 212 TotalNumberOfCompositions, 2679 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2179, independent: 2152, independent conditional: 0, independent unconditional: 2152, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 892, independent: 886, independent conditional: 0, independent unconditional: 886, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2179, independent: 1266, independent conditional: 0, independent unconditional: 1266, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 892, unknown conditional: 0, unknown unconditional: 892] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: 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: 54]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 90]: 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: 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, 258 locations, 67 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: 9.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 563 IncrementalHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 563 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 1385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 19:22:34,887 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...