./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.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 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:32:01,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:32:02,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:32:02,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:32:02,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:32:02,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:32:02,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:32:02,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:32:02,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:32:02,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:32:02,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:32:02,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:32:02,085 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:32:02,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:32:02,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:32:02,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:32:02,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:32:02,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:32:02,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:32:02,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:32:02,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:32:02,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:32:02,092 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:32:02,093 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:32:02,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:32:02,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:32:02,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:32:02,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:32:02,094 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:32:02,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:32:02,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:32:02,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:02,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:32:02,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:32:02,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:32:02,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:32:02,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:32:02,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:32:02,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:32:02,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:32:02,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:32:02,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2024-11-10 14:32:02,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:32:02,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:32:02,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:32:02,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:32:02,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:32:02,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-10 14:32:03,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:32:04,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:32:04,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-10 14:32:04,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c68ae305/9418d5aaaff0414ea18889262ed8fee2/FLAG43eb275ed [2024-11-10 14:32:04,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c68ae305/9418d5aaaff0414ea18889262ed8fee2 [2024-11-10 14:32:04,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:32:04,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:32:04,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:04,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:32:04,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:32:04,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:04,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30be0681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04, skipping insertion in model container [2024-11-10 14:32:04,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:04,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:32:04,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:04,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:32:04,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:04,990 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:32:04,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04 WrapperNode [2024-11-10 14:32:04,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:04,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:04,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:32:04,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:32:05,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,033 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 65 [2024-11-10 14:32:05,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:05,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:32:05,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:32:05,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:32:05,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:32:05,060 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:32:05,060 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:32:05,060 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:32:05,061 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (1/1) ... [2024-11-10 14:32:05,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:05,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:32:05,097 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) [2024-11-10 14:32:05,100 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 [2024-11-10 14:32:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:32:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:32:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:32:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:32:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:32:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:32:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:32:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:32:05,152 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:32:05,259 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:32:05,261 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:32:05,452 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:32:05,452 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:32:05,522 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:32:05,522 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:32:05,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:05 BoogieIcfgContainer [2024-11-10 14:32:05,523 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:32:05,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:32:05,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:32:05,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:32:05,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:32:04" (1/3) ... [2024-11-10 14:32:05,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625b9d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:05, skipping insertion in model container [2024-11-10 14:32:05,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:04" (2/3) ... [2024-11-10 14:32:05,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625b9d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:05, skipping insertion in model container [2024-11-10 14:32:05,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:05" (3/3) ... [2024-11-10 14:32:05,533 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-10 14:32:05,566 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:32:05,566 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 14:32:05,566 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:32:05,621 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:32:05,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 213 flow [2024-11-10 14:32:05,712 INFO L124 PetriNetUnfolderBase]: 4/102 cut-off events. [2024-11-10 14:32:05,712 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:32:05,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 4/102 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-10 14:32:05,719 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 103 transitions, 213 flow [2024-11-10 14:32:05,723 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 97 transitions, 197 flow [2024-11-10 14:32:05,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:32:05,738 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;@75fa3b7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:32:05,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-10 14:32:05,747 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:32:05,747 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-10 14:32:05,747 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:32:05,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:05,748 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] [2024-11-10 14:32:05,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:32:05,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:05,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1754305592, now seen corresponding path program 1 times [2024-11-10 14:32:05,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:05,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747934344] [2024-11-10 14:32:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:05,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:05,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747934344] [2024-11-10 14:32:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747934344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:05,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:05,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641790636] [2024-11-10 14:32:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:06,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:06,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:06,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:06,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:06,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-10 14:32:06,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 97 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2024-11-10 14:32:06,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:06,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-10 14:32:06,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:06,232 INFO L124 PetriNetUnfolderBase]: 67/416 cut-off events. [2024-11-10 14:32:06,232 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:32:06,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 416 events. 67/416 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2106 event pairs, 17 based on Foata normal form. 32/413 useless extension candidates. Maximal degree in co-relation 536. Up to 82 conditions per place. [2024-11-10 14:32:06,242 INFO L140 encePairwiseOnDemand]: 92/103 looper letters, 22 selfloop transitions, 5 changer transitions 5/99 dead transitions. [2024-11-10 14:32:06,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 99 transitions, 259 flow [2024-11-10 14:32:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2024-11-10 14:32:06,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8673139158576052 [2024-11-10 14:32:06,260 INFO L175 Difference]: Start difference. First operand has 97 places, 97 transitions, 197 flow. Second operand 3 states and 268 transitions. [2024-11-10 14:32:06,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 99 transitions, 259 flow [2024-11-10 14:32:06,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:32:06,272 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 206 flow [2024-11-10 14:32:06,275 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2024-11-10 14:32:06,280 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -2 predicate places. [2024-11-10 14:32:06,281 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 206 flow [2024-11-10 14:32:06,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2024-11-10 14:32:06,282 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:06,282 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:32:06,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:32:06,283 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:32:06,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:06,285 INFO L85 PathProgramCache]: Analyzing trace with hash 348653802, now seen corresponding path program 1 times [2024-11-10 14:32:06,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:06,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072820497] [2024-11-10 14:32:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:06,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:06,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072820497] [2024-11-10 14:32:06,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072820497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:06,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:06,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:06,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673892429] [2024-11-10 14:32:06,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:06,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:06,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:06,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:06,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-10 14:32:06,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-10 14:32:06,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:06,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-10 14:32:06,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:06,553 INFO L124 PetriNetUnfolderBase]: 84/461 cut-off events. [2024-11-10 14:32:06,553 INFO L125 PetriNetUnfolderBase]: For 57/60 co-relation queries the response was YES. [2024-11-10 14:32:06,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 461 events. 84/461 cut-off events. For 57/60 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2526 event pairs, 56 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 686. Up to 165 conditions per place. [2024-11-10 14:32:06,557 INFO L140 encePairwiseOnDemand]: 98/103 looper letters, 24 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-11-10 14:32:06,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 95 transitions, 280 flow [2024-11-10 14:32:06,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-11-10 14:32:06,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-10 14:32:06,560 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 206 flow. Second operand 3 states and 258 transitions. [2024-11-10 14:32:06,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 95 transitions, 280 flow [2024-11-10 14:32:06,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 95 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:32:06,564 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 228 flow [2024-11-10 14:32:06,564 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-11-10 14:32:06,565 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -3 predicate places. [2024-11-10 14:32:06,565 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 228 flow [2024-11-10 14:32:06,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-10 14:32:06,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:06,566 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] [2024-11-10 14:32:06,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:32:06,566 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:32:06,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:06,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1384743857, now seen corresponding path program 1 times [2024-11-10 14:32:06,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:06,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184446668] [2024-11-10 14:32:06,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:06,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:06,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:06,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184446668] [2024-11-10 14:32:06,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184446668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:06,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:06,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:32:06,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931670986] [2024-11-10 14:32:06,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:06,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:06,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:06,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:06,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:06,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 103 [2024-11-10 14:32:06,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2024-11-10 14:32:06,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:06,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 103 [2024-11-10 14:32:06,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:06,845 INFO L124 PetriNetUnfolderBase]: 27/299 cut-off events. [2024-11-10 14:32:06,846 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-10 14:32:06,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 299 events. 27/299 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1298 event pairs, 14 based on Foata normal form. 3/289 useless extension candidates. Maximal degree in co-relation 388. Up to 63 conditions per place. [2024-11-10 14:32:06,850 INFO L140 encePairwiseOnDemand]: 96/103 looper letters, 11 selfloop transitions, 6 changer transitions 3/95 dead transitions. [2024-11-10 14:32:06,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 262 flow [2024-11-10 14:32:06,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2024-11-10 14:32:06,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8867313915857605 [2024-11-10 14:32:06,853 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 228 flow. Second operand 3 states and 274 transitions. [2024-11-10 14:32:06,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 262 flow [2024-11-10 14:32:06,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 95 transitions, 250 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-10 14:32:06,859 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 222 flow [2024-11-10 14:32:06,860 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-11-10 14:32:06,860 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -5 predicate places. [2024-11-10 14:32:06,860 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 222 flow [2024-11-10 14:32:06,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2024-11-10 14:32:06,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:06,861 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] [2024-11-10 14:32:06,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:32:06,864 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:32:06,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:06,865 INFO L85 PathProgramCache]: Analyzing trace with hash -502261957, now seen corresponding path program 1 times [2024-11-10 14:32:06,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:06,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153243179] [2024-11-10 14:32:06,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:06,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:06,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:06,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153243179] [2024-11-10 14:32:06,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153243179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:06,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:06,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:06,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892157738] [2024-11-10 14:32:06,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:06,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:06,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:06,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:06,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:06,964 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-10 14:32:06,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-10 14:32:06,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:06,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-10 14:32:06,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:07,035 INFO L124 PetriNetUnfolderBase]: 50/336 cut-off events. [2024-11-10 14:32:07,036 INFO L125 PetriNetUnfolderBase]: For 84/89 co-relation queries the response was YES. [2024-11-10 14:32:07,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 336 events. 50/336 cut-off events. For 84/89 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1586 event pairs, 26 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 556. Up to 109 conditions per place. [2024-11-10 14:32:07,038 INFO L140 encePairwiseOnDemand]: 98/103 looper letters, 19 selfloop transitions, 4 changer transitions 8/96 dead transitions. [2024-11-10 14:32:07,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 306 flow [2024-11-10 14:32:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-11-10 14:32:07,039 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-10 14:32:07,040 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 222 flow. Second operand 3 states and 258 transitions. [2024-11-10 14:32:07,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 306 flow [2024-11-10 14:32:07,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 96 transitions, 296 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-10 14:32:07,045 INFO L231 Difference]: Finished difference. Result has 95 places, 86 transitions, 224 flow [2024-11-10 14:32:07,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=95, PETRI_TRANSITIONS=86} [2024-11-10 14:32:07,046 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -2 predicate places. [2024-11-10 14:32:07,047 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 86 transitions, 224 flow [2024-11-10 14:32:07,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-10 14:32:07,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:07,048 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] [2024-11-10 14:32:07,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:32:07,048 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:32:07,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:07,049 INFO L85 PathProgramCache]: Analyzing trace with hash -84340640, now seen corresponding path program 1 times [2024-11-10 14:32:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:07,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084922761] [2024-11-10 14:32:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:07,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:07,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:07,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084922761] [2024-11-10 14:32:07,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084922761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:07,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:07,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:32:07,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625145571] [2024-11-10 14:32:07,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:07,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:32:07,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:07,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:32:07,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:32:07,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 103 [2024-11-10 14:32:07,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 86 transitions, 224 flow. Second operand has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 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) [2024-11-10 14:32:07,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:07,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 103 [2024-11-10 14:32:07,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:07,462 INFO L124 PetriNetUnfolderBase]: 1/90 cut-off events. [2024-11-10 14:32:07,462 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-10 14:32:07,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 90 events. 1/90 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 6/95 useless extension candidates. Maximal degree in co-relation 114. Up to 10 conditions per place. [2024-11-10 14:32:07,463 INFO L140 encePairwiseOnDemand]: 96/103 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-11-10 14:32:07,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 78 transitions, 222 flow [2024-11-10 14:32:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:32:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:32:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 430 transitions. [2024-11-10 14:32:07,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-10 14:32:07,465 INFO L175 Difference]: Start difference. First operand has 95 places, 86 transitions, 224 flow. Second operand 5 states and 430 transitions. [2024-11-10 14:32:07,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 78 transitions, 222 flow [2024-11-10 14:32:07,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 78 transitions, 197 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-10 14:32:07,467 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-10 14:32:07,467 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-10 14:32:07,469 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -11 predicate places. [2024-11-10 14:32:07,470 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-10 14:32:07,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 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) [2024-11-10 14:32:07,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-10 14:32:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-10 14:32:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-10 14:32:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-10 14:32:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-10 14:32:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-10 14:32:07,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-10 14:32:07,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:32:07,476 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-10 14:32:07,483 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:32:07,484 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:32:07,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:32:07 BasicIcfg [2024-11-10 14:32:07,489 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:32:07,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:32:07,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:32:07,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:32:07,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:05" (3/4) ... [2024-11-10 14:32:07,492 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:32:07,496 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-10 14:32:07,501 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-10 14:32:07,501 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:32:07,501 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:32:07,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:32:07,585 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:32:07,585 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:32:07,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:32:07,586 INFO L158 Benchmark]: Toolchain (without parser) took 3113.97ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 115.5MB in the beginning and 161.2MB in the end (delta: -45.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:07,586 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:32:07,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.94ms. Allocated memory is still 172.0MB. Free memory was 115.0MB in the beginning and 92.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:07,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.58ms. Allocated memory is still 172.0MB. Free memory was 92.5MB in the beginning and 90.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:07,587 INFO L158 Benchmark]: Boogie Preprocessor took 23.78ms. Allocated memory is still 172.0MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:07,588 INFO L158 Benchmark]: IcfgBuilder took 462.87ms. Allocated memory is still 172.0MB. Free memory was 88.9MB in the beginning and 139.9MB in the end (delta: -51.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-10 14:32:07,588 INFO L158 Benchmark]: TraceAbstraction took 1964.15ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 139.2MB in the beginning and 165.4MB in the end (delta: -26.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-10 14:32:07,588 INFO L158 Benchmark]: Witness Printer took 95.95ms. Allocated memory is still 241.2MB. Free memory was 165.4MB in the beginning and 161.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:32:07,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.94ms. Allocated memory is still 172.0MB. Free memory was 115.0MB in the beginning and 92.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.58ms. Allocated memory is still 172.0MB. Free memory was 92.5MB in the beginning and 90.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.78ms. Allocated memory is still 172.0MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 462.87ms. Allocated memory is still 172.0MB. Free memory was 88.9MB in the beginning and 139.9MB in the end (delta: -51.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1964.15ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 139.2MB in the beginning and 165.4MB in the end (delta: -26.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 95.95ms. Allocated memory is still 241.2MB. Free memory was 165.4MB in the beginning and 161.2MB 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 129 locations, 7 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: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 22 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=2, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 390 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! [2024-11-10 14:32:07,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE