./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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-simple-array-sum.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 0c7c5c48eda3eba87519854c38b7495ee97c35417d2a6e287791b53fe49d6c07 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:40:11,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:40:11,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:40:11,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:40:11,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:40:11,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:40:11,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:40:11,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:40:11,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:40:11,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:40:11,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:40:11,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:40:11,295 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:40:11,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:40:11,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:40:11,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:40:11,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:40:11,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:40:11,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:40:11,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:40:11,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:40:11,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:40:11,299 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:40:11,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:40:11,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:40:11,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:40:11,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:40:11,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:40:11,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:40:11,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:40:11,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:40:11,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:40:11,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:40:11,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:40:11,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:40:11,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:40:11,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:40:11,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:40:11,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:40:11,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:40:11,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:40:11,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c7c5c48eda3eba87519854c38b7495ee97c35417d2a6e287791b53fe49d6c07 [2024-11-12 12:40:11,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:40:11,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:40:11,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:40:11,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:40:11,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:40:11,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2024-11-12 12:40:13,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:40:13,341 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:40:13,342 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2024-11-12 12:40:13,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ba0a714/cd418203da61467c8114574b0ed2f81e/FLAG3c6e30fde [2024-11-12 12:40:13,723 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ba0a714/cd418203da61467c8114574b0ed2f81e [2024-11-12 12:40:13,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:40:13,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:40:13,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:40:13,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:40:13,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:40:13,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:40:13" (1/1) ... [2024-11-12 12:40:13,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a31ba19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:13, skipping insertion in model container [2024-11-12 12:40:13,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:40:13" (1/1) ... [2024-11-12 12:40:13,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:40:14,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:40:14,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:40:14,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:40:14,078 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:40:14,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14 WrapperNode [2024-11-12 12:40:14,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:40:14,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:40:14,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:40:14,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:40:14,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,121 INFO L138 Inliner]: procedures = 23, calls = 21, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 131 [2024-11-12 12:40:14,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:40:14,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:40:14,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:40:14,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:40:14,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:40:14,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:40:14,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:40:14,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:40:14,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (1/1) ... [2024-11-12 12:40:14,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:40:14,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:40:14,190 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) [2024-11-12 12:40:14,193 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 [2024-11-12 12:40:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:40:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:40:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:40:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:40:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:40:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-12 12:40:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-12 12:40:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:40:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:40:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:40:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:40:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:40:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:40:14,232 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:40:14,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:40:14,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:40:14,720 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:40:14,721 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:40:14,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:40:14,764 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-12 12:40:14,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:14 BoogieIcfgContainer [2024-11-12 12:40:14,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:40:14,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:40:14,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:40:14,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:40:14,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:40:13" (1/3) ... [2024-11-12 12:40:14,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678c17dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:40:14, skipping insertion in model container [2024-11-12 12:40:14,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:14" (2/3) ... [2024-11-12 12:40:14,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678c17dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:40:14, skipping insertion in model container [2024-11-12 12:40:14,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:14" (3/3) ... [2024-11-12 12:40:14,773 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-11-12 12:40:14,790 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:40:14,790 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-12 12:40:14,790 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:40:14,878 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-12 12:40:14,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 243 transitions, 507 flow [2024-11-12 12:40:14,989 INFO L124 PetriNetUnfolderBase]: 16/240 cut-off events. [2024-11-12 12:40:14,990 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 12:40:15,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 240 events. 16/240 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 294 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 193. Up to 3 conditions per place. [2024-11-12 12:40:15,002 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 243 transitions, 507 flow [2024-11-12 12:40:15,011 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 223 transitions, 464 flow [2024-11-12 12:40:15,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:40:15,038 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;@39f5cbaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:40:15,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-12 12:40:15,047 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:40:15,048 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-12 12:40:15,048 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:40:15,048 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:15,049 INFO L206 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] [2024-11-12 12:40:15,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:15,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:15,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2004156685, now seen corresponding path program 1 times [2024-11-12 12:40:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:15,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794404810] [2024-11-12 12:40:15,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:15,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:15,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794404810] [2024-11-12 12:40:15,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794404810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:15,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:15,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:15,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767451612] [2024-11-12 12:40:15,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:15,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:15,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:15,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:15,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:15,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 243 [2024-11-12 12:40:15,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 223 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2024-11-12 12:40:15,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:15,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 243 [2024-11-12 12:40:15,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:15,692 INFO L124 PetriNetUnfolderBase]: 114/739 cut-off events. [2024-11-12 12:40:15,693 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-12 12:40:15,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 739 events. 114/739 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4184 event pairs, 78 based on Foata normal form. 6/626 useless extension candidates. Maximal degree in co-relation 775. Up to 182 conditions per place. [2024-11-12 12:40:15,704 INFO L140 encePairwiseOnDemand]: 231/243 looper letters, 19 selfloop transitions, 2 changer transitions 4/213 dead transitions. [2024-11-12 12:40:15,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 213 transitions, 486 flow [2024-11-12 12:40:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2024-11-12 12:40:15,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9026063100137174 [2024-11-12 12:40:15,729 INFO L175 Difference]: Start difference. First operand has 218 places, 223 transitions, 464 flow. Second operand 3 states and 658 transitions. [2024-11-12 12:40:15,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 213 transitions, 486 flow [2024-11-12 12:40:15,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 213 transitions, 474 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-12 12:40:15,740 INFO L231 Difference]: Finished difference. Result has 213 places, 209 transitions, 428 flow [2024-11-12 12:40:15,743 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=213, PETRI_TRANSITIONS=209} [2024-11-12 12:40:15,749 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -5 predicate places. [2024-11-12 12:40:15,749 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 209 transitions, 428 flow [2024-11-12 12:40:15,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2024-11-12 12:40:15,750 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:15,750 INFO L206 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] [2024-11-12 12:40:15,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:40:15,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:15,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash -995696954, now seen corresponding path program 1 times [2024-11-12 12:40:15,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:15,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700875766] [2024-11-12 12:40:15,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:15,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:15,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:15,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700875766] [2024-11-12 12:40:15,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700875766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:15,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:15,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:15,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844872753] [2024-11-12 12:40:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:15,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:15,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:15,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:15,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:15,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 243 [2024-11-12 12:40:15,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 209 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 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) [2024-11-12 12:40:15,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:15,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 243 [2024-11-12 12:40:15,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:16,067 INFO L124 PetriNetUnfolderBase]: 272/1184 cut-off events. [2024-11-12 12:40:16,090 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-12 12:40:16,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 1184 events. 272/1184 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 7927 event pairs, 173 based on Foata normal form. 1/1011 useless extension candidates. Maximal degree in co-relation 1564. Up to 380 conditions per place. [2024-11-12 12:40:16,100 INFO L140 encePairwiseOnDemand]: 236/243 looper letters, 20 selfloop transitions, 1 changer transitions 2/203 dead transitions. [2024-11-12 12:40:16,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 203 transitions, 460 flow [2024-11-12 12:40:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2024-11-12 12:40:16,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8737997256515775 [2024-11-12 12:40:16,105 INFO L175 Difference]: Start difference. First operand has 213 places, 209 transitions, 428 flow. Second operand 3 states and 637 transitions. [2024-11-12 12:40:16,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 203 transitions, 460 flow [2024-11-12 12:40:16,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 203 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:16,111 INFO L231 Difference]: Finished difference. Result has 203 places, 201 transitions, 410 flow [2024-11-12 12:40:16,114 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=203, PETRI_TRANSITIONS=201} [2024-11-12 12:40:16,115 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -15 predicate places. [2024-11-12 12:40:16,115 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 201 transitions, 410 flow [2024-11-12 12:40:16,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 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) [2024-11-12 12:40:16,116 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:16,116 INFO L206 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] [2024-11-12 12:40:16,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:40:16,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:16,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:16,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1647532316, now seen corresponding path program 1 times [2024-11-12 12:40:16,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:16,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401393903] [2024-11-12 12:40:16,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:16,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:16,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:16,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401393903] [2024-11-12 12:40:16,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401393903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:16,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:16,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:16,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878607054] [2024-11-12 12:40:16,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:16,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:16,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:16,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:16,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:16,265 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 243 [2024-11-12 12:40:16,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 201 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-11-12 12:40:16,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:16,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 243 [2024-11-12 12:40:16,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:16,362 INFO L124 PetriNetUnfolderBase]: 87/630 cut-off events. [2024-11-12 12:40:16,363 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-12 12:40:16,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 630 events. 87/630 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3169 event pairs, 53 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 737. Up to 117 conditions per place. [2024-11-12 12:40:16,371 INFO L140 encePairwiseOnDemand]: 240/243 looper letters, 15 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-11-12 12:40:16,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 200 transitions, 442 flow [2024-11-12 12:40:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2024-11-12 12:40:16,374 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2024-11-12 12:40:16,374 INFO L175 Difference]: Start difference. First operand has 203 places, 201 transitions, 410 flow. Second operand 3 states and 657 transitions. [2024-11-12 12:40:16,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 200 transitions, 442 flow [2024-11-12 12:40:16,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 200 transitions, 441 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:16,380 INFO L231 Difference]: Finished difference. Result has 201 places, 200 transitions, 411 flow [2024-11-12 12:40:16,381 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=201, PETRI_TRANSITIONS=200} [2024-11-12 12:40:16,382 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -17 predicate places. [2024-11-12 12:40:16,382 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 200 transitions, 411 flow [2024-11-12 12:40:16,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-11-12 12:40:16,383 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:16,383 INFO L206 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] [2024-11-12 12:40:16,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:40:16,384 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:16,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:16,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1863395385, now seen corresponding path program 1 times [2024-11-12 12:40:16,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:16,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291972118] [2024-11-12 12:40:16,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:16,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:16,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:16,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291972118] [2024-11-12 12:40:16,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291972118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:16,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:16,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:16,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893770244] [2024-11-12 12:40:16,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:16,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:16,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:16,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:16,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:16,539 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 243 [2024-11-12 12:40:16,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 200 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-11-12 12:40:16,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:16,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 243 [2024-11-12 12:40:16,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:16,644 INFO L124 PetriNetUnfolderBase]: 82/515 cut-off events. [2024-11-12 12:40:16,644 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-12 12:40:16,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 515 events. 82/515 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2296 event pairs, 53 based on Foata normal form. 0/472 useless extension candidates. Maximal degree in co-relation 621. Up to 119 conditions per place. [2024-11-12 12:40:16,649 INFO L140 encePairwiseOnDemand]: 240/243 looper letters, 15 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2024-11-12 12:40:16,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 199 transitions, 443 flow [2024-11-12 12:40:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:16,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2024-11-12 12:40:16,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2024-11-12 12:40:16,652 INFO L175 Difference]: Start difference. First operand has 201 places, 200 transitions, 411 flow. Second operand 3 states and 657 transitions. [2024-11-12 12:40:16,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 199 transitions, 443 flow [2024-11-12 12:40:16,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 199 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:16,657 INFO L231 Difference]: Finished difference. Result has 200 places, 199 transitions, 409 flow [2024-11-12 12:40:16,658 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=200, PETRI_TRANSITIONS=199} [2024-11-12 12:40:16,660 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -18 predicate places. [2024-11-12 12:40:16,661 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 199 transitions, 409 flow [2024-11-12 12:40:16,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2024-11-12 12:40:16,662 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:16,662 INFO L206 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, 1, 1, 1, 1, 1] [2024-11-12 12:40:16,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:40:16,664 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:16,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:16,665 INFO L85 PathProgramCache]: Analyzing trace with hash 83187678, now seen corresponding path program 1 times [2024-11-12 12:40:16,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:16,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277692040] [2024-11-12 12:40:16,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:16,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:16,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:16,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277692040] [2024-11-12 12:40:16,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277692040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:16,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:16,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:16,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504580950] [2024-11-12 12:40:16,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:16,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:16,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:16,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:16,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:16,794 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-11-12 12:40:16,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 199 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2024-11-12 12:40:16,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:16,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-11-12 12:40:16,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:16,917 INFO L124 PetriNetUnfolderBase]: 116/761 cut-off events. [2024-11-12 12:40:16,918 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-12 12:40:16,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 761 events. 116/761 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4183 event pairs, 36 based on Foata normal form. 1/664 useless extension candidates. Maximal degree in co-relation 923. Up to 95 conditions per place. [2024-11-12 12:40:16,925 INFO L140 encePairwiseOnDemand]: 238/243 looper letters, 15 selfloop transitions, 2 changer transitions 2/202 dead transitions. [2024-11-12 12:40:16,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 202 transitions, 455 flow [2024-11-12 12:40:16,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2024-11-12 12:40:16,927 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2024-11-12 12:40:16,928 INFO L175 Difference]: Start difference. First operand has 200 places, 199 transitions, 409 flow. Second operand 3 states and 666 transitions. [2024-11-12 12:40:16,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 202 transitions, 455 flow [2024-11-12 12:40:16,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 202 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:16,932 INFO L231 Difference]: Finished difference. Result has 198 places, 195 transitions, 400 flow [2024-11-12 12:40:16,933 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=198, PETRI_TRANSITIONS=195} [2024-11-12 12:40:16,934 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -20 predicate places. [2024-11-12 12:40:16,935 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 195 transitions, 400 flow [2024-11-12 12:40:16,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2024-11-12 12:40:16,937 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:16,937 INFO L206 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:16,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:40:16,937 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:16,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:16,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1661000416, now seen corresponding path program 1 times [2024-11-12 12:40:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:16,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625360277] [2024-11-12 12:40:16,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:17,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:17,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625360277] [2024-11-12 12:40:17,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625360277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:17,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:17,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:17,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543336664] [2024-11-12 12:40:17,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:17,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:17,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:17,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:17,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:17,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-11-12 12:40:17,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 195 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2024-11-12 12:40:17,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:17,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-11-12 12:40:17,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:17,163 INFO L124 PetriNetUnfolderBase]: 139/685 cut-off events. [2024-11-12 12:40:17,164 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-12 12:40:17,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 685 events. 139/685 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3632 event pairs, 26 based on Foata normal form. 0/617 useless extension candidates. Maximal degree in co-relation 911. Up to 205 conditions per place. [2024-11-12 12:40:17,170 INFO L140 encePairwiseOnDemand]: 239/243 looper letters, 19 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-11-12 12:40:17,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 200 transitions, 456 flow [2024-11-12 12:40:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:17,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2024-11-12 12:40:17,172 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163237311385459 [2024-11-12 12:40:17,172 INFO L175 Difference]: Start difference. First operand has 198 places, 195 transitions, 400 flow. Second operand 3 states and 668 transitions. [2024-11-12 12:40:17,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 200 transitions, 456 flow [2024-11-12 12:40:17,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 200 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:17,176 INFO L231 Difference]: Finished difference. Result has 195 places, 195 transitions, 406 flow [2024-11-12 12:40:17,177 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=195, PETRI_TRANSITIONS=195} [2024-11-12 12:40:17,178 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -23 predicate places. [2024-11-12 12:40:17,178 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 195 transitions, 406 flow [2024-11-12 12:40:17,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2024-11-12 12:40:17,179 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:17,179 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:17,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:40:17,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:17,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:17,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1690024982, now seen corresponding path program 1 times [2024-11-12 12:40:17,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:17,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963780583] [2024-11-12 12:40:17,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:17,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:17,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963780583] [2024-11-12 12:40:17,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963780583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:17,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:17,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:17,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325297033] [2024-11-12 12:40:17,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:17,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:17,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:17,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:17,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:17,286 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-11-12 12:40:17,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 195 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-12 12:40:17,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:17,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-11-12 12:40:17,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:17,422 INFO L124 PetriNetUnfolderBase]: 244/1018 cut-off events. [2024-11-12 12:40:17,423 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-11-12 12:40:17,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 1018 events. 244/1018 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6218 event pairs, 56 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 1365. Up to 311 conditions per place. [2024-11-12 12:40:17,433 INFO L140 encePairwiseOnDemand]: 239/243 looper letters, 18 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2024-11-12 12:40:17,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 199 transitions, 457 flow [2024-11-12 12:40:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:17,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 667 transitions. [2024-11-12 12:40:17,435 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9149519890260631 [2024-11-12 12:40:17,435 INFO L175 Difference]: Start difference. First operand has 195 places, 195 transitions, 406 flow. Second operand 3 states and 667 transitions. [2024-11-12 12:40:17,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 199 transitions, 457 flow [2024-11-12 12:40:17,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 199 transitions, 457 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:40:17,439 INFO L231 Difference]: Finished difference. Result has 196 places, 195 transitions, 416 flow [2024-11-12 12:40:17,439 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=196, PETRI_TRANSITIONS=195} [2024-11-12 12:40:17,442 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -22 predicate places. [2024-11-12 12:40:17,443 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 195 transitions, 416 flow [2024-11-12 12:40:17,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-12 12:40:17,443 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:17,444 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:17,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:40:17,444 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:40:17,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:17,445 INFO L85 PathProgramCache]: Analyzing trace with hash 660865868, now seen corresponding path program 1 times [2024-11-12 12:40:17,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:17,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343283500] [2024-11-12 12:40:17,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:17,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:17,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:17,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343283500] [2024-11-12 12:40:17,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343283500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:17,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:17,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:17,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867467177] [2024-11-12 12:40:17,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:17,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:17,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:17,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:17,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:17,530 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 243 [2024-11-12 12:40:17,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 195 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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) [2024-11-12 12:40:17,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:17,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 243 [2024-11-12 12:40:17,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:17,651 INFO L124 PetriNetUnfolderBase]: 192/946 cut-off events. [2024-11-12 12:40:17,651 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-12 12:40:17,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1324 conditions, 946 events. 192/946 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6029 event pairs, 88 based on Foata normal form. 0/863 useless extension candidates. Maximal degree in co-relation 1293. Up to 198 conditions per place. [2024-11-12 12:40:17,657 INFO L140 encePairwiseOnDemand]: 240/243 looper letters, 0 selfloop transitions, 0 changer transitions 199/199 dead transitions. [2024-11-12 12:40:17,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 199 transitions, 464 flow [2024-11-12 12:40:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2024-11-12 12:40:17,659 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9122085048010974 [2024-11-12 12:40:17,659 INFO L175 Difference]: Start difference. First operand has 196 places, 195 transitions, 416 flow. Second operand 3 states and 665 transitions. [2024-11-12 12:40:17,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 199 transitions, 464 flow [2024-11-12 12:40:17,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 199 transitions, 464 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:40:17,662 INFO L231 Difference]: Finished difference. Result has 197 places, 0 transitions, 0 flow [2024-11-12 12:40:17,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=197, PETRI_TRANSITIONS=0} [2024-11-12 12:40:17,663 INFO L279 CegarLoopForPetriNet]: 218 programPoint places, -21 predicate places. [2024-11-12 12:40:17,663 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 0 transitions, 0 flow [2024-11-12 12:40:17,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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) [2024-11-12 12:40:17,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2024-11-12 12:40:17,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2024-11-12 12:40:17,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2024-11-12 12:40:17,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2024-11-12 12:40:17,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2024-11-12 12:40:17,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2024-11-12 12:40:17,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2024-11-12 12:40:17,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2024-11-12 12:40:17,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2024-11-12 12:40:17,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2024-11-12 12:40:17,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2024-11-12 12:40:17,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2024-11-12 12:40:17,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2024-11-12 12:40:17,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2024-11-12 12:40:17,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2024-11-12 12:40:17,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2024-11-12 12:40:17,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 28 remaining) [2024-11-12 12:40:17,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 28 remaining) [2024-11-12 12:40:17,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 28 remaining) [2024-11-12 12:40:17,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2024-11-12 12:40:17,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2024-11-12 12:40:17,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2024-11-12 12:40:17,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2024-11-12 12:40:17,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2024-11-12 12:40:17,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2024-11-12 12:40:17,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2024-11-12 12:40:17,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2024-11-12 12:40:17,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2024-11-12 12:40:17,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:40:17,672 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:17,678 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:40:17,680 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:40:17,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:40:17 BasicIcfg [2024-11-12 12:40:17,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:40:17,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:40:17,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:40:17,687 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:40:17,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:14" (3/4) ... [2024-11-12 12:40:17,689 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:40:17,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:40:17,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-12 12:40:17,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-12 12:40:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-12 12:40:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:40:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:40:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:40:17,788 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:40:17,788 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:40:17,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:40:17,789 INFO L158 Benchmark]: Toolchain (without parser) took 4061.91ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 89.5MB in the beginning and 119.7MB in the end (delta: -30.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-12 12:40:17,789 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:40:17,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.99ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 75.5MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 12:40:17,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.91ms. Allocated memory is still 157.3MB. Free memory was 75.5MB in the beginning and 73.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:40:17,790 INFO L158 Benchmark]: Boogie Preprocessor took 32.06ms. Allocated memory is still 157.3MB. Free memory was 73.5MB in the beginning and 71.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:40:17,790 INFO L158 Benchmark]: RCFGBuilder took 609.55ms. Allocated memory is still 157.3MB. Free memory was 71.8MB in the beginning and 116.7MB in the end (delta: -44.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 12:40:17,790 INFO L158 Benchmark]: TraceAbstraction took 2919.35ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 115.9MB in the beginning and 126.0MB in the end (delta: -10.1MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2024-11-12 12:40:17,791 INFO L158 Benchmark]: Witness Printer took 101.72ms. Allocated memory is still 199.2MB. Free memory was 126.0MB in the beginning and 119.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 12:40:17,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.99ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 75.5MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.91ms. Allocated memory is still 157.3MB. Free memory was 75.5MB in the beginning and 73.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.06ms. Allocated memory is still 157.3MB. Free memory was 73.5MB in the beginning and 71.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.55ms. Allocated memory is still 157.3MB. Free memory was 71.8MB in the beginning and 116.7MB in the end (delta: -44.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2919.35ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 115.9MB in the beginning and 126.0MB in the end (delta: -10.1MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. * Witness Printer took 101.72ms. Allocated memory is still 199.2MB. Free memory was 126.0MB in the beginning and 119.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: 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: 51]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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 7 procedures, 300 locations, 28 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: 2.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 68 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.6s InterpolantComputationTime, 629 NumberOfCodeBlocks, 629 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:40:17,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE