./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:02:31,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:02:31,328 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:02:31,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:02:31,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:02:31,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:02:31,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:02:31,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:02:31,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:02:31,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:02:31,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:02:31,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:02:31,369 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:02:31,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:02:31,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:02:31,372 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:02:31,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:02:31,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:02:31,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:02:31,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:02:31,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:02:31,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:02:31,378 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:02:31,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:02:31,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:02:31,379 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:02:31,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:02:31,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:02:31,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:02:31,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:02:31,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:02:31,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:02:31,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:02:31,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:02:31,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:02:31,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:02:31,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:02:31,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:02:31,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:02:31,383 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:02:31,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:02:31,384 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2024-11-09 07:02:31,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:02:31,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:02:31,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:02:31,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:02:31,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:02:31,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2024-11-09 07:02:33,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:02:33,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:02:33,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2024-11-09 07:02:33,465 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a97d52a/757a0b21432941238d5308af07726ea9/FLAG03b5194ca [2024-11-09 07:02:33,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a97d52a/757a0b21432941238d5308af07726ea9 [2024-11-09 07:02:33,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:02:33,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:02:33,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:33,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:02:33,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:02:33,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:33" (1/1) ... [2024-11-09 07:02:33,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786af5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:33, skipping insertion in model container [2024-11-09 07:02:33,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:33" (1/1) ... [2024-11-09 07:02:33,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:02:34,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:34,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:02:34,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:34,145 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:02:34,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34 WrapperNode [2024-11-09 07:02:34,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:34,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:34,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:02:34,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:02:34,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,197 INFO L138 Inliner]: procedures = 22, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 136 [2024-11-09 07:02:34,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:34,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:02:34,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:02:34,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:02:34,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:02:34,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:02:34,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:02:34,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:02:34,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (1/1) ... [2024-11-09 07:02:34,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:02:34,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:02:34,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 07:02:34,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 07:02:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:02:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 07:02:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 07:02:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 07:02:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 07:02:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 07:02:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 07:02:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 07:02:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 07:02:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:02:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 07:02:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 07:02:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:02:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:02:34,373 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:02:34,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:02:34,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:02:34,712 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:02:34,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:02:34,904 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:02:34,904 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 07:02:34,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:34 BoogieIcfgContainer [2024-11-09 07:02:34,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:02:34,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:02:34,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:02:34,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:02:34,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:02:33" (1/3) ... [2024-11-09 07:02:34,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51bbe93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:34, skipping insertion in model container [2024-11-09 07:02:34,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:34" (2/3) ... [2024-11-09 07:02:34,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51bbe93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:34, skipping insertion in model container [2024-11-09 07:02:34,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:34" (3/3) ... [2024-11-09 07:02:34,918 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2024-11-09 07:02:34,934 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:02:34,934 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-09 07:02:34,934 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:02:35,047 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-09 07:02:35,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 167 transitions, 362 flow [2024-11-09 07:02:35,167 INFO L124 PetriNetUnfolderBase]: 10/163 cut-off events. [2024-11-09 07:02:35,167 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:02:35,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 163 events. 10/163 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 237 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2024-11-09 07:02:35,178 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 167 transitions, 362 flow [2024-11-09 07:02:35,186 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 146 transitions, 316 flow [2024-11-09 07:02:35,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:02:35,205 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7f977d04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:02:35,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-09 07:02:35,213 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:02:35,214 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-09 07:02:35,214 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:02:35,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:35,215 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:35,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-09 07:02:35,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:35,221 INFO L85 PathProgramCache]: Analyzing trace with hash 947775849, now seen corresponding path program 1 times [2024-11-09 07:02:35,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:35,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36869219] [2024-11-09 07:02:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:35,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:35,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:35,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36869219] [2024-11-09 07:02:35,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36869219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:35,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:35,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:35,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311704556] [2024-11-09 07:02:35,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:35,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:35,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:35,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:35,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 167 [2024-11-09 07:02:35,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 146 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 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) [2024-11-09 07:02:35,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:35,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 167 [2024-11-09 07:02:35,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:35,811 INFO L124 PetriNetUnfolderBase]: 399/1355 cut-off events. [2024-11-09 07:02:35,812 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2024-11-09 07:02:35,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2041 conditions, 1355 events. 399/1355 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9446 event pairs, 272 based on Foata normal form. 1/1186 useless extension candidates. Maximal degree in co-relation 1847. Up to 559 conditions per place. [2024-11-09 07:02:35,835 INFO L140 encePairwiseOnDemand]: 145/167 looper letters, 19 selfloop transitions, 2 changer transitions 1/126 dead transitions. [2024-11-09 07:02:35,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 126 transitions, 318 flow [2024-11-09 07:02:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:35,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2024-11-09 07:02:35,851 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8183632734530938 [2024-11-09 07:02:35,854 INFO L175 Difference]: Start difference. First operand has 150 places, 146 transitions, 316 flow. Second operand 3 states and 410 transitions. [2024-11-09 07:02:35,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 126 transitions, 318 flow [2024-11-09 07:02:35,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 126 transitions, 302 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 07:02:35,867 INFO L231 Difference]: Finished difference. Result has 129 places, 125 transitions, 262 flow [2024-11-09 07:02:35,869 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=129, PETRI_TRANSITIONS=125} [2024-11-09 07:02:35,877 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -21 predicate places. [2024-11-09 07:02:35,877 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 125 transitions, 262 flow [2024-11-09 07:02:35,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 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) [2024-11-09 07:02:35,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:35,878 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:35,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:02:35,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-09 07:02:35,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:35,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1667061443, now seen corresponding path program 1 times [2024-11-09 07:02:35,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:35,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481136393] [2024-11-09 07:02:35,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:35,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:35,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:35,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481136393] [2024-11-09 07:02:35,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481136393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:35,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:35,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:35,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929517393] [2024-11-09 07:02:35,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:35,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:35,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:35,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:35,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:35,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 167 [2024-11-09 07:02:35,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 125 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-11-09 07:02:35,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:35,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 167 [2024-11-09 07:02:35,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:36,113 INFO L124 PetriNetUnfolderBase]: 97/488 cut-off events. [2024-11-09 07:02:36,113 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-09 07:02:36,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 488 events. 97/488 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2399 event pairs, 51 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 620. Up to 139 conditions per place. [2024-11-09 07:02:36,119 INFO L140 encePairwiseOnDemand]: 164/167 looper letters, 16 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-09 07:02:36,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 124 transitions, 296 flow [2024-11-09 07:02:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions. [2024-11-09 07:02:36,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7924151696606786 [2024-11-09 07:02:36,122 INFO L175 Difference]: Start difference. First operand has 129 places, 125 transitions, 262 flow. Second operand 3 states and 397 transitions. [2024-11-09 07:02:36,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 124 transitions, 296 flow [2024-11-09 07:02:36,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:36,128 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 260 flow [2024-11-09 07:02:36,128 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-11-09 07:02:36,129 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -23 predicate places. [2024-11-09 07:02:36,129 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 260 flow [2024-11-09 07:02:36,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-11-09 07:02:36,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:36,130 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:36,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:02:36,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-09 07:02:36,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash -851085809, now seen corresponding path program 1 times [2024-11-09 07:02:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:36,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101734699] [2024-11-09 07:02:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:36,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:36,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:36,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101734699] [2024-11-09 07:02:36,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101734699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:36,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:36,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:36,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911147571] [2024-11-09 07:02:36,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:36,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:36,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:36,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:36,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:36,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 167 [2024-11-09 07:02:36,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2024-11-09 07:02:36,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:36,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 167 [2024-11-09 07:02:36,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:36,286 INFO L124 PetriNetUnfolderBase]: 97/487 cut-off events. [2024-11-09 07:02:36,287 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-11-09 07:02:36,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 487 events. 97/487 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2397 event pairs, 51 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 609. Up to 136 conditions per place. [2024-11-09 07:02:36,293 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 14 selfloop transitions, 1 changer transitions 0/123 dead transitions. [2024-11-09 07:02:36,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 123 transitions, 288 flow [2024-11-09 07:02:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2024-11-09 07:02:36,296 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.810379241516966 [2024-11-09 07:02:36,296 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 260 flow. Second operand 3 states and 406 transitions. [2024-11-09 07:02:36,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 123 transitions, 288 flow [2024-11-09 07:02:36,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 123 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:36,301 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 256 flow [2024-11-09 07:02:36,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=126, PETRI_TRANSITIONS=123} [2024-11-09 07:02:36,303 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -24 predicate places. [2024-11-09 07:02:36,303 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 256 flow [2024-11-09 07:02:36,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2024-11-09 07:02:36,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:36,304 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:36,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:02:36,305 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-09 07:02:36,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:36,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1306664864, now seen corresponding path program 1 times [2024-11-09 07:02:36,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:36,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302419785] [2024-11-09 07:02:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:36,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:36,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:36,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302419785] [2024-11-09 07:02:36,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302419785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:36,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:36,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:36,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740673950] [2024-11-09 07:02:36,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:36,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:36,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:36,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:36,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:36,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 167 [2024-11-09 07:02:36,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 123 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-09 07:02:36,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:36,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 167 [2024-11-09 07:02:36,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:36,801 INFO L124 PetriNetUnfolderBase]: 1225/3093 cut-off events. [2024-11-09 07:02:36,803 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-09 07:02:36,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4833 conditions, 3093 events. 1225/3093 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24567 event pairs, 672 based on Foata normal form. 0/2863 useless extension candidates. Maximal degree in co-relation 4798. Up to 1646 conditions per place. [2024-11-09 07:02:36,825 INFO L140 encePairwiseOnDemand]: 159/167 looper letters, 24 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2024-11-09 07:02:36,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 126 transitions, 321 flow [2024-11-09 07:02:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-11-09 07:02:36,828 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7884231536926147 [2024-11-09 07:02:36,828 INFO L175 Difference]: Start difference. First operand has 126 places, 123 transitions, 256 flow. Second operand 3 states and 395 transitions. [2024-11-09 07:02:36,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 126 transitions, 321 flow [2024-11-09 07:02:36,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 126 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:02:36,833 INFO L231 Difference]: Finished difference. Result has 124 places, 123 transitions, 275 flow [2024-11-09 07:02:36,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=124, PETRI_TRANSITIONS=123} [2024-11-09 07:02:36,836 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -26 predicate places. [2024-11-09 07:02:36,836 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 123 transitions, 275 flow [2024-11-09 07:02:36,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-09 07:02:36,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:36,837 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:36,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:02:36,837 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-09 07:02:36,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:36,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1372595651, now seen corresponding path program 1 times [2024-11-09 07:02:36,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:36,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576388518] [2024-11-09 07:02:36,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:36,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:36,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:36,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576388518] [2024-11-09 07:02:36,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576388518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:36,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:36,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:36,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978353987] [2024-11-09 07:02:36,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:36,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:36,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:36,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:36,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:37,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 167 [2024-11-09 07:02:37,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 123 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-09 07:02:37,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:37,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 167 [2024-11-09 07:02:37,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:37,071 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([551] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][87], [51#L62-2true, 147#L93-4true, 156#L41-2true, 181#(= |#race~c~0| 0), 138#L51-2true, Black: 182#true, 186#true, 184#(= |#race~N~0| 0)]) [2024-11-09 07:02:37,072 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2024-11-09 07:02:37,072 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2024-11-09 07:02:37,072 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2024-11-09 07:02:37,072 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2024-11-09 07:02:37,093 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([569] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][104], [8#L72-2true, 9#L94-4true, 156#L41-2true, 181#(= |#race~c~0| 0), 138#L51-2true, Black: 182#true, 186#true, 184#(= |#race~N~0| 0), 68#$Ultimate##0true]) [2024-11-09 07:02:37,093 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2024-11-09 07:02:37,093 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2024-11-09 07:02:37,093 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2024-11-09 07:02:37,093 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2024-11-09 07:02:37,094 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([569] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][104], [51#L62-2true, 9#L94-4true, 8#L72-2true, 26#$Ultimate##0true, 156#L41-2true, 181#(= |#race~c~0| 0), Black: 182#true, 186#true, 184#(= |#race~N~0| 0)]) [2024-11-09 07:02:37,094 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2024-11-09 07:02:37,094 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2024-11-09 07:02:37,095 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2024-11-09 07:02:37,095 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2024-11-09 07:02:37,103 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([569] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][104], [51#L62-2true, 9#L94-4true, 8#L72-2true, 156#L41-2true, 181#(= |#race~c~0| 0), 138#L51-2true, Black: 182#true, 186#true, 184#(= |#race~N~0| 0)]) [2024-11-09 07:02:37,104 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2024-11-09 07:02:37,104 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2024-11-09 07:02:37,104 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2024-11-09 07:02:37,104 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2024-11-09 07:02:37,127 INFO L124 PetriNetUnfolderBase]: 276/968 cut-off events. [2024-11-09 07:02:37,127 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-11-09 07:02:37,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1411 conditions, 968 events. 276/968 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6200 event pairs, 116 based on Foata normal form. 1/858 useless extension candidates. Maximal degree in co-relation 1377. Up to 234 conditions per place. [2024-11-09 07:02:37,135 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 0 selfloop transitions, 0 changer transitions 122/122 dead transitions. [2024-11-09 07:02:37,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 122 transitions, 299 flow [2024-11-09 07:02:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 407 transitions. [2024-11-09 07:02:37,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.812375249500998 [2024-11-09 07:02:37,137 INFO L175 Difference]: Start difference. First operand has 124 places, 123 transitions, 275 flow. Second operand 3 states and 407 transitions. [2024-11-09 07:02:37,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 122 transitions, 299 flow [2024-11-09 07:02:37,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 299 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:02:37,139 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2024-11-09 07:02:37,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2024-11-09 07:02:37,144 INFO L277 CegarLoopForPetriNet]: 150 programPoint places, -25 predicate places. [2024-11-09 07:02:37,144 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2024-11-09 07:02:37,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-09 07:02:37,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 44 remaining) [2024-11-09 07:02:37,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2024-11-09 07:02:37,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2024-11-09 07:02:37,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2024-11-09 07:02:37,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2024-11-09 07:02:37,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2024-11-09 07:02:37,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2024-11-09 07:02:37,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2024-11-09 07:02:37,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2024-11-09 07:02:37,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2024-11-09 07:02:37,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2024-11-09 07:02:37,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2024-11-09 07:02:37,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2024-11-09 07:02:37,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2024-11-09 07:02:37,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2024-11-09 07:02:37,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2024-11-09 07:02:37,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2024-11-09 07:02:37,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 44 remaining) [2024-11-09 07:02:37,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 44 remaining) [2024-11-09 07:02:37,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 44 remaining) [2024-11-09 07:02:37,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 44 remaining) [2024-11-09 07:02:37,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2024-11-09 07:02:37,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2024-11-09 07:02:37,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2024-11-09 07:02:37,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2024-11-09 07:02:37,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2024-11-09 07:02:37,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining) [2024-11-09 07:02:37,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining) [2024-11-09 07:02:37,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2024-11-09 07:02:37,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2024-11-09 07:02:37,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2024-11-09 07:02:37,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 44 remaining) [2024-11-09 07:02:37,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2024-11-09 07:02:37,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2024-11-09 07:02:37,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2024-11-09 07:02:37,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2024-11-09 07:02:37,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2024-11-09 07:02:37,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2024-11-09 07:02:37,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2024-11-09 07:02:37,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2024-11-09 07:02:37,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2024-11-09 07:02:37,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2024-11-09 07:02:37,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2024-11-09 07:02:37,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2024-11-09 07:02:37,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:02:37,163 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 07:02:37,170 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 07:02:37,170 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:02:37,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:02:37 BasicIcfg [2024-11-09 07:02:37,180 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:02:37,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:02:37,181 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:02:37,181 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:02:37,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:34" (3/4) ... [2024-11-09 07:02:37,185 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:02:37,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 07:02:37,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 07:02:37,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 07:02:37,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-09 07:02:37,192 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 07:02:37,192 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 07:02:37,192 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 07:02:37,193 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:02:37,284 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 07:02:37,287 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 07:02:37,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:02:37,288 INFO L158 Benchmark]: Toolchain (without parser) took 3440.57ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 117.1MB in the beginning and 68.3MB in the end (delta: 48.7MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2024-11-09 07:02:37,288 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:02:37,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.71ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 103.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:02:37,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.78ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 100.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:02:37,289 INFO L158 Benchmark]: Boogie Preprocessor took 47.82ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:02:37,289 INFO L158 Benchmark]: RCFGBuilder took 658.02ms. Allocated memory is still 155.2MB. Free memory was 99.5MB in the beginning and 72.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 07:02:37,290 INFO L158 Benchmark]: TraceAbstraction took 2269.54ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 71.6MB in the beginning and 73.6MB in the end (delta: -2.0MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-09 07:02:37,290 INFO L158 Benchmark]: Witness Printer took 106.38ms. Allocated memory is still 205.5MB. Free memory was 72.5MB in the beginning and 68.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:02:37,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.71ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 103.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.78ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 100.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.82ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.02ms. Allocated memory is still 155.2MB. Free memory was 99.5MB in the beginning and 72.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2269.54ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 71.6MB in the beginning and 73.6MB in the end (delta: -2.0MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Witness Printer took 106.38ms. Allocated memory is still 205.5MB. Free memory was 72.5MB in the beginning and 68.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 62]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 75]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 232 locations, 44 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: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 33 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 07:02:37,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE