./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 3289d67d 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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:46:46,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:46:46,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:46:46,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:46:46,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:46:46,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:46:46,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:46:46,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:46:46,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:46:46,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:46:46,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:46:46,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:46:46,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:46:46,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:46:46,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:46:46,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:46:46,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:46:46,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:46:46,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:46:46,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:46:46,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:46:46,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:46:46,730 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:46:46,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:46:46,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:46:46,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:46:46,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:46:46,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:46:46,732 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:46:46,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:46:46,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:46:46,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:46,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:46:46,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:46:46,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:46:46,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:46:46,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:46:46,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:46:46,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:46:46,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:46:46,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:46:46,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c7c5c48eda3eba87519854c38b7495ee97c35417d2a6e287791b53fe49d6c07 [2024-11-16 23:46:47,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:46:47,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:46:47,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:46:47,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:46:47,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:46:47,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2024-11-16 23:46:48,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:46:48,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:46:48,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2024-11-16 23:46:48,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6a4d027/40056ca60e8641c3bd100541b0c2aef9/FLAGe187edb93 [2024-11-16 23:46:48,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6a4d027/40056ca60e8641c3bd100541b0c2aef9 [2024-11-16 23:46:48,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:46:48,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:46:48,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:48,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:46:48,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:46:48,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:48" (1/1) ... [2024-11-16 23:46:48,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26214e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:48, skipping insertion in model container [2024-11-16 23:46:48,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:48" (1/1) ... [2024-11-16 23:46:48,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:46:48,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:48,984 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:46:49,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:49,036 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:46:49,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49 WrapperNode [2024-11-16 23:46:49,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:49,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:49,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:46:49,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:46:49,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,078 INFO L138 Inliner]: procedures = 23, calls = 21, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 129 [2024-11-16 23:46:49,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:49,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:46:49,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:46:49,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:46:49,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:46:49,123 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:46:49,123 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:46:49,123 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:46:49,124 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (1/1) ... [2024-11-16 23:46:49,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:49,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:46:49,164 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) [2024-11-16 23:46:49,170 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 [2024-11-16 23:46:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:46:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:46:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:46:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:46:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:46:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:46:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:46:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:46:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:46:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:46:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:46:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:46:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:46:49,219 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:46:49,321 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:46:49,324 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:46:49,648 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:46:49,648 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:46:49,684 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:46:49,685 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:46:49,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:49 BoogieIcfgContainer [2024-11-16 23:46:49,685 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:46:49,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:46:49,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:46:49,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:46:49,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:46:48" (1/3) ... [2024-11-16 23:46:49,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:49, skipping insertion in model container [2024-11-16 23:46:49,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:49" (2/3) ... [2024-11-16 23:46:49,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:49, skipping insertion in model container [2024-11-16 23:46:49,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:49" (3/3) ... [2024-11-16 23:46:49,695 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-11-16 23:46:49,711 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:46:49,711 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-16 23:46:49,712 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:46:49,808 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:46:49,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 245 transitions, 511 flow [2024-11-16 23:46:49,942 INFO L124 PetriNetUnfolderBase]: 16/242 cut-off events. [2024-11-16 23:46:49,943 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:46:49,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 242 events. 16/242 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 315 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 195. Up to 3 conditions per place. [2024-11-16 23:46:49,951 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 245 transitions, 511 flow [2024-11-16 23:46:49,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 220 places, 225 transitions, 468 flow [2024-11-16 23:46:49,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:46:49,985 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;@706fe416, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:46:49,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-16 23:46:49,995 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:46:49,996 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-16 23:46:49,996 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:46:49,996 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:49,997 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:49,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:50,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1304912629, now seen corresponding path program 1 times [2024-11-16 23:46:50,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:50,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289127285] [2024-11-16 23:46:50,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:50,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:50,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289127285] [2024-11-16 23:46:50,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289127285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:50,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:50,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:50,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314711789] [2024-11-16 23:46:50,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:50,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:50,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:50,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 245 [2024-11-16 23:46:50,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 225 transitions, 468 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) [2024-11-16 23:46:50,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:50,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 245 [2024-11-16 23:46:50,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:50,573 INFO L124 PetriNetUnfolderBase]: 201/928 cut-off events. [2024-11-16 23:46:50,573 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-11-16 23:46:50,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1302 conditions, 928 events. 201/928 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5484 event pairs, 132 based on Foata normal form. 6/798 useless extension candidates. Maximal degree in co-relation 1089. Up to 305 conditions per place. [2024-11-16 23:46:50,592 INFO L140 encePairwiseOnDemand]: 233/245 looper letters, 21 selfloop transitions, 2 changer transitions 4/215 dead transitions. [2024-11-16 23:46:50,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 215 transitions, 494 flow [2024-11-16 23:46:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2024-11-16 23:46:50,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8979591836734694 [2024-11-16 23:46:50,616 INFO L175 Difference]: Start difference. First operand has 220 places, 225 transitions, 468 flow. Second operand 3 states and 660 transitions. [2024-11-16 23:46:50,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 215 transitions, 494 flow [2024-11-16 23:46:50,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 215 transitions, 482 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:46:50,627 INFO L231 Difference]: Finished difference. Result has 215 places, 211 transitions, 432 flow [2024-11-16 23:46:50,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=215, PETRI_TRANSITIONS=211} [2024-11-16 23:46:50,633 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -5 predicate places. [2024-11-16 23:46:50,634 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 432 flow [2024-11-16 23:46:50,636 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) [2024-11-16 23:46:50,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:50,637 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:50,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:46:50,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:50,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:50,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2075089319, now seen corresponding path program 1 times [2024-11-16 23:46:50,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:50,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350850735] [2024-11-16 23:46:50,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:50,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:50,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:50,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350850735] [2024-11-16 23:46:50,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350850735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:50,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:50,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:50,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924900462] [2024-11-16 23:46:50,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:50,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:50,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:50,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:50,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:50,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 245 [2024-11-16 23:46:50,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 432 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) [2024-11-16 23:46:50,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:50,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 245 [2024-11-16 23:46:50,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:50,961 INFO L124 PetriNetUnfolderBase]: 391/1355 cut-off events. [2024-11-16 23:46:50,962 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-16 23:46:50,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 1355 events. 391/1355 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 8985 event pairs, 261 based on Foata normal form. 1/1171 useless extension candidates. Maximal degree in co-relation 1913. Up to 554 conditions per place. [2024-11-16 23:46:50,973 INFO L140 encePairwiseOnDemand]: 238/245 looper letters, 22 selfloop transitions, 1 changer transitions 2/205 dead transitions. [2024-11-16 23:46:50,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 205 transitions, 468 flow [2024-11-16 23:46:50,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 639 transitions. [2024-11-16 23:46:50,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8693877551020408 [2024-11-16 23:46:50,977 INFO L175 Difference]: Start difference. First operand has 215 places, 211 transitions, 432 flow. Second operand 3 states and 639 transitions. [2024-11-16 23:46:50,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 205 transitions, 468 flow [2024-11-16 23:46:50,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 205 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:50,984 INFO L231 Difference]: Finished difference. Result has 205 places, 203 transitions, 414 flow [2024-11-16 23:46:50,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=205, PETRI_TRANSITIONS=203} [2024-11-16 23:46:50,985 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -15 predicate places. [2024-11-16 23:46:50,986 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 203 transitions, 414 flow [2024-11-16 23:46:50,986 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) [2024-11-16 23:46:50,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:50,987 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:50,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:46:50,987 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:50,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:50,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1464639927, now seen corresponding path program 1 times [2024-11-16 23:46:50,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:50,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921027795] [2024-11-16 23:46:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:50,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:51,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:51,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:51,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921027795] [2024-11-16 23:46:51,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921027795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:51,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:51,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:51,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213539997] [2024-11-16 23:46:51,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:51,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:51,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:51,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:51,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:51,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 245 [2024-11-16 23:46:51,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 203 transitions, 414 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) [2024-11-16 23:46:51,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:51,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 245 [2024-11-16 23:46:51,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:51,236 INFO L124 PetriNetUnfolderBase]: 163/889 cut-off events. [2024-11-16 23:46:51,236 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2024-11-16 23:46:51,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 889 events. 163/889 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 5099 event pairs, 100 based on Foata normal form. 0/779 useless extension candidates. Maximal degree in co-relation 1096. Up to 214 conditions per place. [2024-11-16 23:46:51,246 INFO L140 encePairwiseOnDemand]: 242/245 looper letters, 17 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2024-11-16 23:46:51,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 202 transitions, 450 flow [2024-11-16 23:46:51,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 659 transitions. [2024-11-16 23:46:51,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8965986394557823 [2024-11-16 23:46:51,249 INFO L175 Difference]: Start difference. First operand has 205 places, 203 transitions, 414 flow. Second operand 3 states and 659 transitions. [2024-11-16 23:46:51,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 202 transitions, 450 flow [2024-11-16 23:46:51,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 202 transitions, 449 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:51,254 INFO L231 Difference]: Finished difference. Result has 203 places, 202 transitions, 415 flow [2024-11-16 23:46:51,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=203, PETRI_TRANSITIONS=202} [2024-11-16 23:46:51,256 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -17 predicate places. [2024-11-16 23:46:51,256 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 202 transitions, 415 flow [2024-11-16 23:46:51,257 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) [2024-11-16 23:46:51,257 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:51,258 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:51,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:46:51,259 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:51,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:51,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1500123994, now seen corresponding path program 1 times [2024-11-16 23:46:51,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:51,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582251406] [2024-11-16 23:46:51,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:51,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:51,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:51,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582251406] [2024-11-16 23:46:51,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582251406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:51,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:51,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:51,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191674762] [2024-11-16 23:46:51,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:51,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:51,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:51,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:51,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:51,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 245 [2024-11-16 23:46:51,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 202 transitions, 415 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) [2024-11-16 23:46:51,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:51,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 245 [2024-11-16 23:46:51,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:51,557 INFO L124 PetriNetUnfolderBase]: 144/719 cut-off events. [2024-11-16 23:46:51,558 INFO L125 PetriNetUnfolderBase]: For 26/27 co-relation queries the response was YES. [2024-11-16 23:46:51,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 719 events. 144/719 cut-off events. For 26/27 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3811 event pairs, 91 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 911. Up to 203 conditions per place. [2024-11-16 23:46:51,566 INFO L140 encePairwiseOnDemand]: 242/245 looper letters, 17 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2024-11-16 23:46:51,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 201 transitions, 451 flow [2024-11-16 23:46:51,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 659 transitions. [2024-11-16 23:46:51,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8965986394557823 [2024-11-16 23:46:51,569 INFO L175 Difference]: Start difference. First operand has 203 places, 202 transitions, 415 flow. Second operand 3 states and 659 transitions. [2024-11-16 23:46:51,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 201 transitions, 451 flow [2024-11-16 23:46:51,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 201 transitions, 447 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:51,575 INFO L231 Difference]: Finished difference. Result has 202 places, 201 transitions, 413 flow [2024-11-16 23:46:51,575 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=413, PETRI_PLACES=202, PETRI_TRANSITIONS=201} [2024-11-16 23:46:51,577 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -18 predicate places. [2024-11-16 23:46:51,578 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 201 transitions, 413 flow [2024-11-16 23:46:51,578 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) [2024-11-16 23:46:51,578 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:51,579 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:51,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:46:51,580 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:51,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:51,581 INFO L85 PathProgramCache]: Analyzing trace with hash 710320165, now seen corresponding path program 1 times [2024-11-16 23:46:51,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:51,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535435740] [2024-11-16 23:46:51,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:51,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:51,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:51,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535435740] [2024-11-16 23:46:51,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535435740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:51,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:51,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:51,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738575078] [2024-11-16 23:46:51,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:51,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:51,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:51,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:51,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:51,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 245 [2024-11-16 23:46:51,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 201 transitions, 413 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) [2024-11-16 23:46:51,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:51,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 245 [2024-11-16 23:46:51,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:51,875 INFO L124 PetriNetUnfolderBase]: 214/912 cut-off events. [2024-11-16 23:46:51,876 INFO L125 PetriNetUnfolderBase]: For 29/33 co-relation queries the response was YES. [2024-11-16 23:46:51,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 912 events. 214/912 cut-off events. For 29/33 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5110 event pairs, 53 based on Foata normal form. 1/789 useless extension candidates. Maximal degree in co-relation 1211. Up to 158 conditions per place. [2024-11-16 23:46:51,884 INFO L140 encePairwiseOnDemand]: 240/245 looper letters, 19 selfloop transitions, 2 changer transitions 2/206 dead transitions. [2024-11-16 23:46:51,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 206 transitions, 471 flow [2024-11-16 23:46:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 670 transitions. [2024-11-16 23:46:51,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9115646258503401 [2024-11-16 23:46:51,887 INFO L175 Difference]: Start difference. First operand has 202 places, 201 transitions, 413 flow. Second operand 3 states and 670 transitions. [2024-11-16 23:46:51,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 206 transitions, 471 flow [2024-11-16 23:46:51,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 206 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:51,891 INFO L231 Difference]: Finished difference. Result has 200 places, 197 transitions, 404 flow [2024-11-16 23:46:51,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, 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=404, PETRI_PLACES=200, PETRI_TRANSITIONS=197} [2024-11-16 23:46:51,892 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -20 predicate places. [2024-11-16 23:46:51,892 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 197 transitions, 404 flow [2024-11-16 23:46:51,893 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) [2024-11-16 23:46:51,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:51,894 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:51,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:46:51,894 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:51,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash -282105786, now seen corresponding path program 1 times [2024-11-16 23:46:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:51,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829997645] [2024-11-16 23:46:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:51,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:51,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829997645] [2024-11-16 23:46:51,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829997645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:51,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:51,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:51,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781149901] [2024-11-16 23:46:51,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:51,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:51,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:51,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:51,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:51,966 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 245 [2024-11-16 23:46:51,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 197 transitions, 404 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) [2024-11-16 23:46:51,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:51,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 245 [2024-11-16 23:46:51,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:52,105 INFO L124 PetriNetUnfolderBase]: 243/926 cut-off events. [2024-11-16 23:46:52,105 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-16 23:46:52,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 926 events. 243/926 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5403 event pairs, 44 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 1308. Up to 348 conditions per place. [2024-11-16 23:46:52,113 INFO L140 encePairwiseOnDemand]: 241/245 looper letters, 22 selfloop transitions, 2 changer transitions 0/203 dead transitions. [2024-11-16 23:46:52,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 203 transitions, 468 flow [2024-11-16 23:46:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2024-11-16 23:46:52,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9129251700680272 [2024-11-16 23:46:52,116 INFO L175 Difference]: Start difference. First operand has 200 places, 197 transitions, 404 flow. Second operand 3 states and 671 transitions. [2024-11-16 23:46:52,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 203 transitions, 468 flow [2024-11-16 23:46:52,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 203 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:52,120 INFO L231 Difference]: Finished difference. Result has 197 places, 197 transitions, 410 flow [2024-11-16 23:46:52,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=197, PETRI_TRANSITIONS=197} [2024-11-16 23:46:52,122 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -23 predicate places. [2024-11-16 23:46:52,122 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 197 transitions, 410 flow [2024-11-16 23:46:52,123 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) [2024-11-16 23:46:52,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:52,123 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:52,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:46:52,124 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:52,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:52,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1598481407, now seen corresponding path program 1 times [2024-11-16 23:46:52,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:52,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003764097] [2024-11-16 23:46:52,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:52,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003764097] [2024-11-16 23:46:52,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003764097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:52,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:52,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:52,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189010801] [2024-11-16 23:46:52,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:52,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:52,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:52,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:52,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:52,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 245 [2024-11-16 23:46:52,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 197 transitions, 410 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) [2024-11-16 23:46:52,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:52,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 245 [2024-11-16 23:46:52,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:52,349 INFO L124 PetriNetUnfolderBase]: 331/1164 cut-off events. [2024-11-16 23:46:52,349 INFO L125 PetriNetUnfolderBase]: For 83/83 co-relation queries the response was YES. [2024-11-16 23:46:52,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1164 events. 331/1164 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 7264 event pairs, 90 based on Foata normal form. 0/1065 useless extension candidates. Maximal degree in co-relation 1646. Up to 443 conditions per place. [2024-11-16 23:46:52,360 INFO L140 encePairwiseOnDemand]: 241/245 looper letters, 20 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2024-11-16 23:46:52,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 201 transitions, 465 flow [2024-11-16 23:46:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2024-11-16 23:46:52,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9102040816326531 [2024-11-16 23:46:52,363 INFO L175 Difference]: Start difference. First operand has 197 places, 197 transitions, 410 flow. Second operand 3 states and 669 transitions. [2024-11-16 23:46:52,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 201 transitions, 465 flow [2024-11-16 23:46:52,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 201 transitions, 465 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:46:52,367 INFO L231 Difference]: Finished difference. Result has 198 places, 197 transitions, 420 flow [2024-11-16 23:46:52,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=198, PETRI_TRANSITIONS=197} [2024-11-16 23:46:52,368 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -22 predicate places. [2024-11-16 23:46:52,368 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 197 transitions, 420 flow [2024-11-16 23:46:52,369 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) [2024-11-16 23:46:52,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:52,369 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:52,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:46:52,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:46:52,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:52,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1103017514, now seen corresponding path program 1 times [2024-11-16 23:46:52,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:52,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006494581] [2024-11-16 23:46:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:52,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:52,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:52,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006494581] [2024-11-16 23:46:52,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006494581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:52,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:52,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:52,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400744748] [2024-11-16 23:46:52,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:52,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:52,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:52,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:52,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:52,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 245 [2024-11-16 23:46:52,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 197 transitions, 420 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) [2024-11-16 23:46:52,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:52,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 245 [2024-11-16 23:46:52,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:52,676 INFO L124 PetriNetUnfolderBase]: 405/1638 cut-off events. [2024-11-16 23:46:52,677 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-16 23:46:52,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2313 conditions, 1638 events. 405/1638 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12013 event pairs, 164 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 2282. Up to 384 conditions per place. [2024-11-16 23:46:52,686 INFO L140 encePairwiseOnDemand]: 242/245 looper letters, 0 selfloop transitions, 0 changer transitions 203/203 dead transitions. [2024-11-16 23:46:52,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 203 transitions, 480 flow [2024-11-16 23:46:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2024-11-16 23:46:52,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9102040816326531 [2024-11-16 23:46:52,688 INFO L175 Difference]: Start difference. First operand has 198 places, 197 transitions, 420 flow. Second operand 3 states and 669 transitions. [2024-11-16 23:46:52,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 203 transitions, 480 flow [2024-11-16 23:46:52,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 203 transitions, 480 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:46:52,691 INFO L231 Difference]: Finished difference. Result has 199 places, 0 transitions, 0 flow [2024-11-16 23:46:52,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=199, PETRI_TRANSITIONS=0} [2024-11-16 23:46:52,694 INFO L277 CegarLoopForPetriNet]: 220 programPoint places, -21 predicate places. [2024-11-16 23:46:52,694 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 0 transitions, 0 flow [2024-11-16 23:46:52,695 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) [2024-11-16 23:46:52,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2024-11-16 23:46:52,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2024-11-16 23:46:52,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2024-11-16 23:46:52,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2024-11-16 23:46:52,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2024-11-16 23:46:52,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2024-11-16 23:46:52,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2024-11-16 23:46:52,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2024-11-16 23:46:52,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2024-11-16 23:46:52,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2024-11-16 23:46:52,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2024-11-16 23:46:52,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2024-11-16 23:46:52,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2024-11-16 23:46:52,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2024-11-16 23:46:52,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2024-11-16 23:46:52,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2024-11-16 23:46:52,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2024-11-16 23:46:52,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2024-11-16 23:46:52,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2024-11-16 23:46:52,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2024-11-16 23:46:52,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:46:52,704 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:52,713 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:46:52,713 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:46:52,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:46:52 BasicIcfg [2024-11-16 23:46:52,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:46:52,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:46:52,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:46:52,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:46:52,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:49" (3/4) ... [2024-11-16 23:46:52,724 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:46:52,727 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:46:52,728 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:46:52,728 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:46:52,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-16 23:46:52,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:46:52,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:46:52,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:46:52,825 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:46:52,828 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:46:52,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:46:52,829 INFO L158 Benchmark]: Toolchain (without parser) took 4133.85ms. Allocated memory was 184.5MB in the beginning and 253.8MB in the end (delta: 69.2MB). Free memory was 138.0MB in the beginning and 157.0MB in the end (delta: -19.0MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-16 23:46:52,829 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 184.5MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:52,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.07ms. Allocated memory is still 184.5MB. Free memory was 138.0MB in the beginning and 124.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:46:52,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.72ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 122.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:52,830 INFO L158 Benchmark]: Boogie Preprocessor took 42.68ms. Allocated memory is still 184.5MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:52,830 INFO L158 Benchmark]: IcfgBuilder took 562.38ms. Allocated memory is still 184.5MB. Free memory was 120.7MB in the beginning and 98.2MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:52,830 INFO L158 Benchmark]: TraceAbstraction took 3034.58ms. Allocated memory was 184.5MB in the beginning and 253.8MB in the end (delta: 69.2MB). Free memory was 97.6MB in the beginning and 163.3MB in the end (delta: -65.7MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2024-11-16 23:46:52,830 INFO L158 Benchmark]: Witness Printer took 106.15ms. Allocated memory is still 253.8MB. Free memory was 163.3MB in the beginning and 157.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:46:52,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 184.5MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.07ms. Allocated memory is still 184.5MB. Free memory was 138.0MB in the beginning and 124.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.72ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 122.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.68ms. Allocated memory is still 184.5MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 562.38ms. Allocated memory is still 184.5MB. Free memory was 120.7MB in the beginning and 98.2MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3034.58ms. Allocated memory was 184.5MB in the beginning and 253.8MB in the end (delta: 69.2MB). Free memory was 97.6MB in the beginning and 163.3MB in the end (delta: -65.7MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. * Witness Printer took 106.15ms. Allocated memory is still 253.8MB. Free memory was 163.3MB in the beginning and 157.0MB 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, 302 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: 2.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 327 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 58 mSDtfsCounter, 327 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=468occurred 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, 0.4s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 632 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 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! [2024-11-16 23:46:52,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE