./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:25:55,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:25:55,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:25:55,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:25:55,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:25:55,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:25:55,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:25:55,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:25:55,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:25:55,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:25:55,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:25:55,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:25:55,691 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:25:55,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:25:55,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:25:55,691 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:25:55,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:25:55,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:25:55,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:25:55,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:25:55,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:55,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:55,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:25:55,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:25:55,694 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2025-01-09 21:25:55,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:25:55,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:25:55,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:25:55,903 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:25:55,904 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:25:55,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2025-01-09 21:25:57,054 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48fb80ea8/6927dd47b4144dd3817403d2806bc5e6/FLAG4f2505d17 [2025-01-09 21:25:57,350 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:25:57,351 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2025-01-09 21:25:57,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48fb80ea8/6927dd47b4144dd3817403d2806bc5e6/FLAG4f2505d17 [2025-01-09 21:25:57,618 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/48fb80ea8/6927dd47b4144dd3817403d2806bc5e6 [2025-01-09 21:25:57,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:25:57,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:25:57,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:57,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:25:57,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:25:57,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:57,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebdba04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57, skipping insertion in model container [2025-01-09 21:25:57,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:57,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:25:57,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:57,924 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:25:57,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:57,995 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:25:57,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57 WrapperNode [2025-01-09 21:25:57,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:57,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:57,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:25:57,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:25:58,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,033 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 100 [2025-01-09 21:25:58,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:58,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:25:58,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:25:58,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:25:58,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,050 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:25:58,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:25:58,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:25:58,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:25:58,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (1/1) ... [2025-01-09 21:25:58,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:58,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:25:58,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:25:58,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:25:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:25:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:25:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-09 21:25:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-09 21:25:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:25:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:25:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:25:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:25:58,115 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:25:58,185 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:25:58,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:25:58,317 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:25:58,317 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:25:58,337 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:25:58,337 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:25:58,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:58 BoogieIcfgContainer [2025-01-09 21:25:58,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:25:58,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:25:58,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:25:58,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:25:58,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:25:57" (1/3) ... [2025-01-09 21:25:58,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61652223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:58, skipping insertion in model container [2025-01-09 21:25:58,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:57" (2/3) ... [2025-01-09 21:25:58,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61652223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:58, skipping insertion in model container [2025-01-09 21:25:58,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:58" (3/3) ... [2025-01-09 21:25:58,348 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2025-01-09 21:25:58,358 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:25:58,359 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_20-publish-regression_true.i that has 2 procedures, 110 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-01-09 21:25:58,362 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:25:58,412 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:25:58,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 115 transitions, 237 flow [2025-01-09 21:25:58,482 INFO L124 PetriNetUnfolderBase]: 6/114 cut-off events. [2025-01-09 21:25:58,484 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:58,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 6/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2025-01-09 21:25:58,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 115 transitions, 237 flow [2025-01-09 21:25:58,492 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 109 transitions, 221 flow [2025-01-09 21:25:58,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:25:58,513 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;@1195434c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:25:58,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-01-09 21:25:58,519 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:25:58,520 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-01-09 21:25:58,520 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:25:58,521 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:58,521 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:58,522 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-09 21:25:58,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:58,526 INFO L85 PathProgramCache]: Analyzing trace with hash -370451682, now seen corresponding path program 1 times [2025-01-09 21:25:58,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:58,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886805010] [2025-01-09 21:25:58,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:58,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:58,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 21:25:58,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 21:25:58,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:58,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:58,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:58,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886805010] [2025-01-09 21:25:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886805010] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:58,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:58,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:58,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624014695] [2025-01-09 21:25:58,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:58,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:58,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:58,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:58,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:58,722 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 115 [2025-01-09 21:25:58,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 109 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2025-01-09 21:25:58,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:58,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 115 [2025-01-09 21:25:58,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:58,816 INFO L124 PetriNetUnfolderBase]: 54/415 cut-off events. [2025-01-09 21:25:58,817 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:58,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 415 events. 54/415 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2011 event pairs, 21 based on Foata normal form. 46/422 useless extension candidates. Maximal degree in co-relation 510. Up to 84 conditions per place. [2025-01-09 21:25:58,820 INFO L140 encePairwiseOnDemand]: 100/115 looper letters, 19 selfloop transitions, 6 changer transitions 5/104 dead transitions. [2025-01-09 21:25:58,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 104 transitions, 265 flow [2025-01-09 21:25:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2025-01-09 21:25:58,830 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8492753623188406 [2025-01-09 21:25:58,831 INFO L175 Difference]: Start difference. First operand has 107 places, 109 transitions, 221 flow. Second operand 3 states and 293 transitions. [2025-01-09 21:25:58,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 104 transitions, 265 flow [2025-01-09 21:25:58,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 104 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:25:58,837 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 224 flow [2025-01-09 21:25:58,839 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=102, PETRI_TRANSITIONS=95} [2025-01-09 21:25:58,842 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2025-01-09 21:25:58,842 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 224 flow [2025-01-09 21:25:58,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2025-01-09 21:25:58,842 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:58,842 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:58,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:25:58,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-09 21:25:58,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:58,843 INFO L85 PathProgramCache]: Analyzing trace with hash -288114033, now seen corresponding path program 1 times [2025-01-09 21:25:58,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:58,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306051412] [2025-01-09 21:25:58,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:58,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:58,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 21:25:58,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 21:25:58,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:58,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:58,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:58,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:58,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306051412] [2025-01-09 21:25:58,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306051412] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:58,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:58,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:58,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408607370] [2025-01-09 21:25:58,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:58,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:58,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:58,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:58,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:59,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 115 [2025-01-09 21:25:59,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 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) [2025-01-09 21:25:59,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:59,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 115 [2025-01-09 21:25:59,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:59,093 INFO L124 PetriNetUnfolderBase]: 56/403 cut-off events. [2025-01-09 21:25:59,093 INFO L125 PetriNetUnfolderBase]: For 68/69 co-relation queries the response was YES. [2025-01-09 21:25:59,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 403 events. 56/403 cut-off events. For 68/69 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2027 event pairs, 36 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 578. Up to 119 conditions per place. [2025-01-09 21:25:59,097 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 21 selfloop transitions, 4 changer transitions 0/100 dead transitions. [2025-01-09 21:25:59,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 100 transitions, 288 flow [2025-01-09 21:25:59,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2025-01-09 21:25:59,100 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2025-01-09 21:25:59,100 INFO L175 Difference]: Start difference. First operand has 102 places, 95 transitions, 224 flow. Second operand 3 states and 285 transitions. [2025-01-09 21:25:59,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 100 transitions, 288 flow [2025-01-09 21:25:59,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 100 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:25:59,104 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 244 flow [2025-01-09 21:25:59,104 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2025-01-09 21:25:59,104 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -6 predicate places. [2025-01-09 21:25:59,105 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 244 flow [2025-01-09 21:25:59,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 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) [2025-01-09 21:25:59,105 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:59,105 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:59,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:25:59,106 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-09 21:25:59,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:59,107 INFO L85 PathProgramCache]: Analyzing trace with hash -890630107, now seen corresponding path program 1 times [2025-01-09 21:25:59,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:59,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271002694] [2025-01-09 21:25:59,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:59,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:59,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 21:25:59,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 21:25:59,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:59,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:59,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:59,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271002694] [2025-01-09 21:25:59,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271002694] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:59,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:59,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:25:59,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744365146] [2025-01-09 21:25:59,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:59,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:59,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:59,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:59,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:59,307 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 115 [2025-01-09 21:25:59,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2025-01-09 21:25:59,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:59,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 115 [2025-01-09 21:25:59,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:59,351 INFO L124 PetriNetUnfolderBase]: 13/252 cut-off events. [2025-01-09 21:25:59,351 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-01-09 21:25:59,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 252 events. 13/252 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 913 event pairs, 2 based on Foata normal form. 3/238 useless extension candidates. Maximal degree in co-relation 296. Up to 32 conditions per place. [2025-01-09 21:25:59,352 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 7 selfloop transitions, 6 changer transitions 1/98 dead transitions. [2025-01-09 21:25:59,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 98 transitions, 258 flow [2025-01-09 21:25:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2025-01-09 21:25:59,356 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8724637681159421 [2025-01-09 21:25:59,356 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 244 flow. Second operand 3 states and 301 transitions. [2025-01-09 21:25:59,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 98 transitions, 258 flow [2025-01-09 21:25:59,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 98 transitions, 246 flow, removed 2 selfloop flow, removed 4 redundant places. [2025-01-09 21:25:59,358 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 236 flow [2025-01-09 21:25:59,358 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2025-01-09 21:25:59,359 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -8 predicate places. [2025-01-09 21:25:59,359 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 236 flow [2025-01-09 21:25:59,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2025-01-09 21:25:59,359 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:59,359 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:59,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:25:59,360 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-09 21:25:59,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:59,360 INFO L85 PathProgramCache]: Analyzing trace with hash -129981976, now seen corresponding path program 1 times [2025-01-09 21:25:59,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:59,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577845600] [2025-01-09 21:25:59,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:59,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-09 21:25:59,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-09 21:25:59,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:59,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:59,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:59,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577845600] [2025-01-09 21:25:59,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577845600] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:59,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:59,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:59,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841741836] [2025-01-09 21:25:59,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:59,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:59,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:59,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:59,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:59,447 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 115 [2025-01-09 21:25:59,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2025-01-09 21:25:59,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:59,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 115 [2025-01-09 21:25:59,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:59,495 INFO L124 PetriNetUnfolderBase]: 32/333 cut-off events. [2025-01-09 21:25:59,495 INFO L125 PetriNetUnfolderBase]: For 76/81 co-relation queries the response was YES. [2025-01-09 21:25:59,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 333 events. 32/333 cut-off events. For 76/81 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1432 event pairs, 14 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 511. Up to 86 conditions per place. [2025-01-09 21:25:59,498 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 19 selfloop transitions, 3 changer transitions 9/101 dead transitions. [2025-01-09 21:25:59,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 308 flow [2025-01-09 21:25:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2025-01-09 21:25:59,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2025-01-09 21:25:59,499 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 236 flow. Second operand 3 states and 285 transitions. [2025-01-09 21:25:59,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 308 flow [2025-01-09 21:25:59,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 101 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:25:59,502 INFO L231 Difference]: Finished difference. Result has 102 places, 91 transitions, 234 flow [2025-01-09 21:25:59,502 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=102, PETRI_TRANSITIONS=91} [2025-01-09 21:25:59,503 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2025-01-09 21:25:59,504 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 91 transitions, 234 flow [2025-01-09 21:25:59,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2025-01-09 21:25:59,504 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:59,504 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:59,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:25:59,505 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-09 21:25:59,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:59,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1189693402, now seen corresponding path program 1 times [2025-01-09 21:25:59,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:59,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553098301] [2025-01-09 21:25:59,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:59,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-09 21:25:59,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-09 21:25:59,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:59,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:59,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553098301] [2025-01-09 21:25:59,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553098301] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:59,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:59,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 21:25:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128014851] [2025-01-09 21:25:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:59,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:25:59,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:59,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:25:59,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:25:59,781 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 115 [2025-01-09 21:25:59,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 91 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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) [2025-01-09 21:25:59,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:59,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 115 [2025-01-09 21:25:59,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:59,819 INFO L124 PetriNetUnfolderBase]: 0/106 cut-off events. [2025-01-09 21:25:59,819 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-01-09 21:25:59,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 106 events. 0/106 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2025-01-09 21:25:59,819 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2025-01-09 21:25:59,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 80 transitions, 210 flow [2025-01-09 21:25:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:25:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-09 21:25:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 480 transitions. [2025-01-09 21:25:59,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8347826086956521 [2025-01-09 21:25:59,821 INFO L175 Difference]: Start difference. First operand has 102 places, 91 transitions, 234 flow. Second operand 5 states and 480 transitions. [2025-01-09 21:25:59,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 80 transitions, 210 flow [2025-01-09 21:25:59,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 80 transitions, 184 flow, removed 3 selfloop flow, removed 7 redundant places. [2025-01-09 21:25:59,822 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2025-01-09 21:25:59,822 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2025-01-09 21:25:59,822 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -19 predicate places. [2025-01-09 21:25:59,822 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2025-01-09 21:25:59,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-01-09 21:25:59,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-01-09 21:25:59,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:25:59,826 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 21:25:59,829 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:25:59,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:25:59,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:25:59 BasicIcfg [2025-01-09 21:25:59,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:25:59,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:25:59,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:25:59,833 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:25:59,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:58" (3/4) ... [2025-01-09 21:25:59,834 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:25:59,836 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-01-09 21:25:59,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-01-09 21:25:59,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:25:59,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 21:25:59,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:25:59,885 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:25:59,885 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:25:59,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:25:59,886 INFO L158 Benchmark]: Toolchain (without parser) took 2263.33ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 71.7MB in the end (delta: 50.3MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2025-01-09 21:25:59,886 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 201.3MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:59,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.81ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 102.0MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:25:59,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.64ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 100.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:59,887 INFO L158 Benchmark]: Boogie Preprocessor took 26.92ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 99.3MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:59,887 INFO L158 Benchmark]: RCFGBuilder took 275.45ms. Allocated memory is still 167.8MB. Free memory was 99.3MB in the beginning and 83.4MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:59,887 INFO L158 Benchmark]: TraceAbstraction took 1489.02ms. Allocated memory is still 167.8MB. Free memory was 82.5MB in the beginning and 78.1MB in the end (delta: 4.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2025-01-09 21:25:59,887 INFO L158 Benchmark]: Witness Printer took 53.04ms. Allocated memory is still 167.8MB. Free memory was 77.0MB in the beginning and 71.7MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:59,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 201.3MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.81ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 102.0MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.64ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 100.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.92ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 99.3MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 275.45ms. Allocated memory is still 167.8MB. Free memory was 99.3MB in the beginning and 83.4MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1489.02ms. Allocated memory is still 167.8MB. Free memory was 82.5MB in the beginning and 78.1MB in the end (delta: 4.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 53.04ms. Allocated memory is still 167.8MB. Free memory was 77.0MB in the beginning and 71.7MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: 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 - PositiveResult [Line: 691]: 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, 153 locations, 9 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: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 25 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred 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, 0.5s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:25:59,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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