./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/pthread-atomic/peterson.i -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 6ea11bc1281710e3131473f2a673d7d78c2a42824b03a7d695132107cc74f895 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:29:38,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:29:38,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:29:38,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:29:38,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:29:38,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:29:38,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:29:38,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:29:38,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:29:38,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:29:38,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:29:38,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:29:38,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:29:38,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:29:38,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:29:38,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:29:38,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:29:38,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:29:38,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:29:38,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:29:38,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:29:38,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:29:38,686 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:29:38,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:29:38,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:29:38,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:29:38,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:29:38,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:29:38,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:29:38,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:29:38,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:29:38,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:29:38,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:29:38,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:29:38,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:29:38,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:29:38,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:29:38,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:29:38,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:29:38,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:29:38,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:29:38,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ea11bc1281710e3131473f2a673d7d78c2a42824b03a7d695132107cc74f895 [2024-11-22 17:29:38,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:29:38,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:29:38,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:29:38,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:29:38,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:29:38,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/peterson.i [2024-11-22 17:29:40,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:29:40,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:29:40,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/peterson.i [2024-11-22 17:29:40,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ab59914/1b4aee127b064148920d5ad252bbbfba/FLAG968be3533 [2024-11-22 17:29:40,618 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ab59914/1b4aee127b064148920d5ad252bbbfba [2024-11-22 17:29:40,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:29:40,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:29:40,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:29:40,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:29:40,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:29:40,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8024b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40, skipping insertion in model container [2024-11-22 17:29:40,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:29:40,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:29:40,976 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:29:41,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:29:41,074 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:29:41,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41 WrapperNode [2024-11-22 17:29:41,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:29:41,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:29:41,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:29:41,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:29:41,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,118 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2024-11-22 17:29:41,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:29:41,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:29:41,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:29:41,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:29:41,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:29:41,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:29:41,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:29:41,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:29:41,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (1/1) ... [2024-11-22 17:29:41,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:29:41,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:29:41,185 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) [2024-11-22 17:29:41,189 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 [2024-11-22 17:29:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-22 17:29:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-22 17:29:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-22 17:29:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-22 17:29:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:29:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:29:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:29:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:29:41,225 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:29:41,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:29:41,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:29:41,510 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:29:41,510 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:29:41,523 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:29:41,528 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 17:29:41,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:41 BoogieIcfgContainer [2024-11-22 17:29:41,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:29:41,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:29:41,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:29:41,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:29:41,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:29:40" (1/3) ... [2024-11-22 17:29:41,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c094b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:29:41, skipping insertion in model container [2024-11-22 17:29:41,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:41" (2/3) ... [2024-11-22 17:29:41,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c094b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:29:41, skipping insertion in model container [2024-11-22 17:29:41,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:41" (3/3) ... [2024-11-22 17:29:41,539 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2024-11-22 17:29:41,565 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:29:41,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 17:29:41,565 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:29:41,626 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:29:41,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 84 transitions, 182 flow [2024-11-22 17:29:41,680 INFO L124 PetriNetUnfolderBase]: 8/82 cut-off events. [2024-11-22 17:29:41,680 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:29:41,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 82 events. 8/82 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-11-22 17:29:41,685 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 84 transitions, 182 flow [2024-11-22 17:29:41,687 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 77 transitions, 163 flow [2024-11-22 17:29:41,694 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:29:41,702 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;@387b893e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:29:41,702 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-22 17:29:41,712 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:29:41,712 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-22 17:29:41,712 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:29:41,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:41,712 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] [2024-11-22 17:29:41,713 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:41,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:41,717 INFO L85 PathProgramCache]: Analyzing trace with hash 466523277, now seen corresponding path program 1 times [2024-11-22 17:29:41,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:41,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478200606] [2024-11-22 17:29:41,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:41,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:41,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:41,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478200606] [2024-11-22 17:29:41,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478200606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:41,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:41,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:41,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152696907] [2024-11-22 17:29:41,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:41,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:41,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:41,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:41,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 84 [2024-11-22 17:29:42,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 77 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2024-11-22 17:29:42,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 84 [2024-11-22 17:29:42,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,057 INFO L124 PetriNetUnfolderBase]: 22/162 cut-off events. [2024-11-22 17:29:42,057 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-22 17:29:42,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 162 events. 22/162 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 628 event pairs, 11 based on Foata normal form. 37/176 useless extension candidates. Maximal degree in co-relation 198. Up to 42 conditions per place. [2024-11-22 17:29:42,065 INFO L140 encePairwiseOnDemand]: 72/84 looper letters, 11 selfloop transitions, 5 changer transitions 0/74 dead transitions. [2024-11-22 17:29:42,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 74 transitions, 192 flow [2024-11-22 17:29:42,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-11-22 17:29:42,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-22 17:29:42,076 INFO L175 Difference]: Start difference. First operand has 76 places, 77 transitions, 163 flow. Second operand 3 states and 224 transitions. [2024-11-22 17:29:42,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 74 transitions, 192 flow [2024-11-22 17:29:42,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 74 transitions, 186 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 17:29:42,080 INFO L231 Difference]: Finished difference. Result has 75 places, 73 transitions, 180 flow [2024-11-22 17:29:42,081 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=75, PETRI_TRANSITIONS=73} [2024-11-22 17:29:42,084 INFO L277 CegarLoopForPetriNet]: 76 programPoint places, -1 predicate places. [2024-11-22 17:29:42,084 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 73 transitions, 180 flow [2024-11-22 17:29:42,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2024-11-22 17:29:42,084 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,084 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] [2024-11-22 17:29:42,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:29:42,085 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,085 INFO L85 PathProgramCache]: Analyzing trace with hash -318958591, now seen corresponding path program 1 times [2024-11-22 17:29:42,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106491637] [2024-11-22 17:29:42,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:42,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106491637] [2024-11-22 17:29:42,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106491637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:42,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774657353] [2024-11-22 17:29:42,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:42,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:42,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 84 [2024-11-22 17:29:42,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 73 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2024-11-22 17:29:42,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 84 [2024-11-22 17:29:42,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,222 INFO L124 PetriNetUnfolderBase]: 28/245 cut-off events. [2024-11-22 17:29:42,222 INFO L125 PetriNetUnfolderBase]: For 43/47 co-relation queries the response was YES. [2024-11-22 17:29:42,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 245 events. 28/245 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1128 event pairs, 6 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 188. Up to 46 conditions per place. [2024-11-22 17:29:42,224 INFO L140 encePairwiseOnDemand]: 76/84 looper letters, 12 selfloop transitions, 6 changer transitions 3/81 dead transitions. [2024-11-22 17:29:42,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 81 transitions, 249 flow [2024-11-22 17:29:42,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2024-11-22 17:29:42,226 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2024-11-22 17:29:42,226 INFO L175 Difference]: Start difference. First operand has 75 places, 73 transitions, 180 flow. Second operand 3 states and 219 transitions. [2024-11-22 17:29:42,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 81 transitions, 249 flow [2024-11-22 17:29:42,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 81 transitions, 237 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:42,228 INFO L231 Difference]: Finished difference. Result has 77 places, 76 transitions, 216 flow [2024-11-22 17:29:42,228 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=77, PETRI_TRANSITIONS=76} [2024-11-22 17:29:42,229 INFO L277 CegarLoopForPetriNet]: 76 programPoint places, 1 predicate places. [2024-11-22 17:29:42,229 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 76 transitions, 216 flow [2024-11-22 17:29:42,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2024-11-22 17:29:42,230 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,230 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] [2024-11-22 17:29:42,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:29:42,230 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash 161840673, now seen corresponding path program 1 times [2024-11-22 17:29:42,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966341369] [2024-11-22 17:29:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966341369] [2024-11-22 17:29:42,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966341369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:42,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469882951] [2024-11-22 17:29:42,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:42,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:42,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 84 [2024-11-22 17:29:42,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 76 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2024-11-22 17:29:42,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 84 [2024-11-22 17:29:42,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,320 INFO L124 PetriNetUnfolderBase]: 41/278 cut-off events. [2024-11-22 17:29:42,320 INFO L125 PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES. [2024-11-22 17:29:42,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 278 events. 41/278 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1513 event pairs, 12 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 174. Up to 68 conditions per place. [2024-11-22 17:29:42,326 INFO L140 encePairwiseOnDemand]: 78/84 looper letters, 12 selfloop transitions, 7 changer transitions 2/81 dead transitions. [2024-11-22 17:29:42,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 81 transitions, 275 flow [2024-11-22 17:29:42,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-11-22 17:29:42,331 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8531746031746031 [2024-11-22 17:29:42,331 INFO L175 Difference]: Start difference. First operand has 77 places, 76 transitions, 216 flow. Second operand 3 states and 215 transitions. [2024-11-22 17:29:42,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 81 transitions, 275 flow [2024-11-22 17:29:42,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 81 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:42,337 INFO L231 Difference]: Finished difference. Result has 79 places, 79 transitions, 252 flow [2024-11-22 17:29:42,338 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=79, PETRI_TRANSITIONS=79} [2024-11-22 17:29:42,338 INFO L277 CegarLoopForPetriNet]: 76 programPoint places, 3 predicate places. [2024-11-22 17:29:42,338 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 79 transitions, 252 flow [2024-11-22 17:29:42,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2024-11-22 17:29:42,338 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,339 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] [2024-11-22 17:29:42,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:29:42,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1686803663, now seen corresponding path program 1 times [2024-11-22 17:29:42,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431694774] [2024-11-22 17:29:42,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:42,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431694774] [2024-11-22 17:29:42,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431694774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:29:42,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787993093] [2024-11-22 17:29:42,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:29:42,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:29:42,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:29:42,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 84 [2024-11-22 17:29:42,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 79 transitions, 252 flow. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2024-11-22 17:29:42,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 84 [2024-11-22 17:29:42,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,494 INFO L124 PetriNetUnfolderBase]: 45/325 cut-off events. [2024-11-22 17:29:42,495 INFO L125 PetriNetUnfolderBase]: For 99/105 co-relation queries the response was YES. [2024-11-22 17:29:42,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 325 events. 45/325 cut-off events. For 99/105 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1672 event pairs, 8 based on Foata normal form. 1/294 useless extension candidates. Maximal degree in co-relation 516. Up to 46 conditions per place. [2024-11-22 17:29:42,498 INFO L140 encePairwiseOnDemand]: 77/84 looper letters, 13 selfloop transitions, 6 changer transitions 2/88 dead transitions. [2024-11-22 17:29:42,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 88 transitions, 315 flow [2024-11-22 17:29:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 17:29:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 17:29:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 283 transitions. [2024-11-22 17:29:42,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8422619047619048 [2024-11-22 17:29:42,500 INFO L175 Difference]: Start difference. First operand has 79 places, 79 transitions, 252 flow. Second operand 4 states and 283 transitions. [2024-11-22 17:29:42,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 88 transitions, 315 flow [2024-11-22 17:29:42,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 88 transitions, 301 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:42,504 INFO L231 Difference]: Finished difference. Result has 83 places, 84 transitions, 284 flow [2024-11-22 17:29:42,504 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=284, PETRI_PLACES=83, PETRI_TRANSITIONS=84} [2024-11-22 17:29:42,505 INFO L277 CegarLoopForPetriNet]: 76 programPoint places, 7 predicate places. [2024-11-22 17:29:42,505 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 84 transitions, 284 flow [2024-11-22 17:29:42,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2024-11-22 17:29:42,506 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,506 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] [2024-11-22 17:29:42,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:29:42,506 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash 169553379, now seen corresponding path program 2 times [2024-11-22 17:29:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911273280] [2024-11-22 17:29:42,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:29:42,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,526 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:29:42,528 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:29:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911273280] [2024-11-22 17:29:42,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911273280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:29:42,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874077255] [2024-11-22 17:29:42,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:29:42,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:29:42,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:29:42,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 84 [2024-11-22 17:29:42,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 84 transitions, 284 flow. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2024-11-22 17:29:42,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 84 [2024-11-22 17:29:42,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,675 INFO L124 PetriNetUnfolderBase]: 30/184 cut-off events. [2024-11-22 17:29:42,675 INFO L125 PetriNetUnfolderBase]: For 60/62 co-relation queries the response was YES. [2024-11-22 17:29:42,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 184 events. 30/184 cut-off events. For 60/62 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 532 event pairs, 5 based on Foata normal form. 7/181 useless extension candidates. Maximal degree in co-relation 280. Up to 26 conditions per place. [2024-11-22 17:29:42,676 INFO L140 encePairwiseOnDemand]: 77/84 looper letters, 0 selfloop transitions, 0 changer transitions 81/81 dead transitions. [2024-11-22 17:29:42,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 307 flow [2024-11-22 17:29:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 17:29:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 17:29:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 283 transitions. [2024-11-22 17:29:42,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8422619047619048 [2024-11-22 17:29:42,678 INFO L175 Difference]: Start difference. First operand has 83 places, 84 transitions, 284 flow. Second operand 4 states and 283 transitions. [2024-11-22 17:29:42,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 307 flow [2024-11-22 17:29:42,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 81 transitions, 275 flow, removed 10 selfloop flow, removed 4 redundant places. [2024-11-22 17:29:42,679 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-11-22 17:29:42,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-11-22 17:29:42,682 INFO L277 CegarLoopForPetriNet]: 76 programPoint places, 2 predicate places. [2024-11-22 17:29:42,682 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-11-22 17:29:42,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2024-11-22 17:29:42,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-22 17:29:42,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-22 17:29:42,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-22 17:29:42,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-22 17:29:42,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-22 17:29:42,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-22 17:29:42,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-22 17:29:42,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-22 17:29:42,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-22 17:29:42,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-22 17:29:42,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:29:42,687 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-22 17:29:42,695 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:29:42,695 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:29:42,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:29:42 BasicIcfg [2024-11-22 17:29:42,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:29:42,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:29:42,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:29:42,701 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:29:42,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:41" (3/4) ... [2024-11-22 17:29:42,703 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:29:42,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-22 17:29:42,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-22 17:29:42,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-22 17:29:42,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:29:42,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:29:42,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:29:42,813 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:29:42,816 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:29:42,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:29:42,817 INFO L158 Benchmark]: Toolchain (without parser) took 2195.79ms. Allocated memory is still 186.6MB. Free memory was 116.3MB in the beginning and 140.1MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:29:42,817 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory was 85.0MB in the beginning and 84.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:29:42,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.10ms. Allocated memory is still 186.6MB. Free memory was 116.1MB in the beginning and 151.7MB in the end (delta: -35.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-22 17:29:42,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.67ms. Allocated memory is still 186.6MB. Free memory was 151.7MB in the beginning and 149.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:29:42,820 INFO L158 Benchmark]: Boogie Preprocessor took 24.08ms. Allocated memory is still 186.6MB. Free memory was 149.6MB in the beginning and 148.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:29:42,820 INFO L158 Benchmark]: RCFGBuilder took 382.08ms. Allocated memory is still 186.6MB. Free memory was 148.1MB in the beginning and 134.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 17:29:42,820 INFO L158 Benchmark]: TraceAbstraction took 1170.62ms. Allocated memory is still 186.6MB. Free memory was 134.2MB in the beginning and 144.4MB in the end (delta: -10.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-22 17:29:42,822 INFO L158 Benchmark]: Witness Printer took 115.02ms. Allocated memory is still 186.6MB. Free memory was 144.4MB in the beginning and 140.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:29:42,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory was 85.0MB in the beginning and 84.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.10ms. Allocated memory is still 186.6MB. Free memory was 116.1MB in the beginning and 151.7MB in the end (delta: -35.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.67ms. Allocated memory is still 186.6MB. Free memory was 151.7MB in the beginning and 149.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.08ms. Allocated memory is still 186.6MB. Free memory was 149.6MB in the beginning and 148.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.08ms. Allocated memory is still 186.6MB. Free memory was 148.1MB in the beginning and 134.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1170.62ms. Allocated memory is still 186.6MB. Free memory was 134.2MB in the beginning and 144.4MB in the end (delta: -10.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 115.02ms. Allocated memory is still 186.6MB. Free memory was 144.4MB in the beginning and 140.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: 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 5 procedures, 123 locations, 10 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: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 15 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=4, InterpolantAutomatonStates: 17, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:29:42,845 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