./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --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/weaver/popl20-nonblocking-cntr-alt.wvr.c -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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:33:45,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:33:45,298 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:33:45,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:33:45,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:33:45,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:33:45,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:33:45,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:33:45,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:33:45,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:33:45,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:33:45,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:33:45,332 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:33:45,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:33:45,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:33:45,332 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:33:45,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:33:45,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:33:45,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:33:45,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:33:45,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:33:45,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:33:45,334 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:33:45,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:33:45,334 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:33:45,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:33:45,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:45,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:33:45,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:45,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:33:45,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:33:45,336 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:33:45,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:33:45,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:33:45,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:33:45,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:33:45,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:33:45,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:33:45,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:33:45,337 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 -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2025-01-09 21:33:45,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:33:45,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:33:45,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:33:45,620 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:33:45,622 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:33:45,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2025-01-09 21:33:47,006 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db3b23e2a/540c80e3f4ad40e88042c405319d46e0/FLAGd675694cf [2025-01-09 21:33:47,241 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:33:47,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2025-01-09 21:33:47,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db3b23e2a/540c80e3f4ad40e88042c405319d46e0/FLAGd675694cf [2025-01-09 21:33:47,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db3b23e2a/540c80e3f4ad40e88042c405319d46e0 [2025-01-09 21:33:47,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:33:47,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:33:47,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:33:47,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:33:47,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:33:47,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a558b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47, skipping insertion in model container [2025-01-09 21:33:47,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:33:47,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:33:47,747 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:33:47,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:33:47,791 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:33:47,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47 WrapperNode [2025-01-09 21:33:47,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:33:47,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:33:47,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:33:47,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:33:47,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,822 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2025-01-09 21:33:47,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:33:47,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:33:47,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:33:47,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:33:47,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:33:47,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:33:47,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:33:47,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:33:47,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (1/1) ... [2025-01-09 21:33:47,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:47,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:33:47,878 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 21:33:47,880 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 21:33:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:33:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:33:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:33:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-09 21:33:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-09 21:33:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:33:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-09 21:33:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-09 21:33:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:33:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:33:47,900 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 21:33:47,985 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:33:47,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:33:48,229 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:33:48,229 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:33:48,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:33:48,313 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 21:33:48,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:48 BoogieIcfgContainer [2025-01-09 21:33:48,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:33:48,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:33:48,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:33:48,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:33:48,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:33:47" (1/3) ... [2025-01-09 21:33:48,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293d5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:33:48, skipping insertion in model container [2025-01-09 21:33:48,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:47" (2/3) ... [2025-01-09 21:33:48,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4293d5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:33:48, skipping insertion in model container [2025-01-09 21:33:48,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:48" (3/3) ... [2025-01-09 21:33:48,324 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2025-01-09 21:33:48,342 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:33:48,344 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-nonblocking-cntr-alt.wvr.c that has 3 procedures, 116 locations, 1 initial locations, 2 loop locations, and 14 error locations. [2025-01-09 21:33:48,344 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:33:48,416 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:33:48,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 122 transitions, 258 flow [2025-01-09 21:33:48,515 INFO L124 PetriNetUnfolderBase]: 7/120 cut-off events. [2025-01-09 21:33:48,518 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:33:48,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 120 events. 7/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2025-01-09 21:33:48,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 122 transitions, 258 flow [2025-01-09 21:33:48,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 103 transitions, 218 flow [2025-01-09 21:33:48,535 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:33:48,549 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;@73493a54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:33:48,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2025-01-09 21:33:48,557 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:33:48,558 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-01-09 21:33:48,559 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:33:48,560 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:48,560 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:33:48,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2025-01-09 21:33:48,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash -28064986, now seen corresponding path program 1 times [2025-01-09 21:33:48,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:48,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930555070] [2025-01-09 21:33:48,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:48,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-09 21:33:48,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-09 21:33:48,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:48,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:48,732 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 21:33:48,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:48,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930555070] [2025-01-09 21:33:48,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930555070] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:48,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:48,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:48,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717536787] [2025-01-09 21:33:48,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:48,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:48,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:48,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:48,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:48,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2025-01-09 21:33:48,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 103 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 21:33:48,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:48,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2025-01-09 21:33:48,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:48,903 INFO L124 PetriNetUnfolderBase]: 13/136 cut-off events. [2025-01-09 21:33:48,903 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-01-09 21:33:48,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 136 events. 13/136 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 4 based on Foata normal form. 8/124 useless extension candidates. Maximal degree in co-relation 84. Up to 28 conditions per place. [2025-01-09 21:33:48,906 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 12 selfloop transitions, 2 changer transitions 1/94 dead transitions. [2025-01-09 21:33:48,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 228 flow [2025-01-09 21:33:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2025-01-09 21:33:48,923 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8497267759562842 [2025-01-09 21:33:48,925 INFO L175 Difference]: Start difference. First operand has 104 places, 103 transitions, 218 flow. Second operand 3 states and 311 transitions. [2025-01-09 21:33:48,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 228 flow [2025-01-09 21:33:48,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 94 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-09 21:33:48,938 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 194 flow [2025-01-09 21:33:48,941 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2025-01-09 21:33:48,947 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -8 predicate places. [2025-01-09 21:33:48,948 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 194 flow [2025-01-09 21:33:48,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 21:33:48,949 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:48,949 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] [2025-01-09 21:33:48,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:33:48,950 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2025-01-09 21:33:48,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash -127122305, now seen corresponding path program 1 times [2025-01-09 21:33:48,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:48,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028794038] [2025-01-09 21:33:48,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:48,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:48,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-09 21:33:48,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-09 21:33:48,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:48,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:49,004 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 21:33:49,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:49,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028794038] [2025-01-09 21:33:49,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028794038] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:49,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:49,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:49,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560721507] [2025-01-09 21:33:49,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:49,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:49,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:49,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:49,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:49,035 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2025-01-09 21:33:49,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 21:33:49,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:49,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2025-01-09 21:33:49,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:49,086 INFO L124 PetriNetUnfolderBase]: 14/130 cut-off events. [2025-01-09 21:33:49,086 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2025-01-09 21:33:49,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 130 events. 14/130 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 202 event pairs, 3 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 141. Up to 29 conditions per place. [2025-01-09 21:33:49,087 INFO L140 encePairwiseOnDemand]: 119/122 looper letters, 12 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2025-01-09 21:33:49,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 220 flow [2025-01-09 21:33:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2025-01-09 21:33:49,094 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8278688524590164 [2025-01-09 21:33:49,095 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 194 flow. Second operand 3 states and 303 transitions. [2025-01-09 21:33:49,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 220 flow [2025-01-09 21:33:49,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 216 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:33:49,098 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 192 flow [2025-01-09 21:33:49,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2025-01-09 21:33:49,099 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -10 predicate places. [2025-01-09 21:33:49,099 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 192 flow [2025-01-09 21:33:49,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 21:33:49,099 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:49,100 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] [2025-01-09 21:33:49,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:33:49,100 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2025-01-09 21:33:49,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:49,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1473253007, now seen corresponding path program 1 times [2025-01-09 21:33:49,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:49,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430142064] [2025-01-09 21:33:49,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:49,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:49,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-09 21:33:49,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-09 21:33:49,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:49,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:49,176 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 21:33:49,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:49,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430142064] [2025-01-09 21:33:49,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430142064] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:49,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:49,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:49,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961760226] [2025-01-09 21:33:49,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:49,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:49,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:49,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:49,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:49,199 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2025-01-09 21:33:49,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 21:33:49,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:49,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2025-01-09 21:33:49,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:49,254 INFO L124 PetriNetUnfolderBase]: 16/132 cut-off events. [2025-01-09 21:33:49,254 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:33:49,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 132 events. 16/132 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 243 event pairs, 6 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 140. Up to 32 conditions per place. [2025-01-09 21:33:49,255 INFO L140 encePairwiseOnDemand]: 118/122 looper letters, 12 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2025-01-09 21:33:49,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 89 transitions, 212 flow [2025-01-09 21:33:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2025-01-09 21:33:49,258 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8306010928961749 [2025-01-09 21:33:49,258 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 192 flow. Second operand 3 states and 304 transitions. [2025-01-09 21:33:49,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 89 transitions, 212 flow [2025-01-09 21:33:49,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 89 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:33:49,260 INFO L231 Difference]: Finished difference. Result has 91 places, 89 transitions, 184 flow [2025-01-09 21:33:49,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=91, PETRI_TRANSITIONS=89} [2025-01-09 21:33:49,261 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -13 predicate places. [2025-01-09 21:33:49,261 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 89 transitions, 184 flow [2025-01-09 21:33:49,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 21:33:49,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:49,262 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] [2025-01-09 21:33:49,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:33:49,262 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2025-01-09 21:33:49,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:49,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1134629378, now seen corresponding path program 1 times [2025-01-09 21:33:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:49,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029296069] [2025-01-09 21:33:49,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:49,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-09 21:33:49,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-09 21:33:49,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:49,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:49,314 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 21:33:49,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:49,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029296069] [2025-01-09 21:33:49,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029296069] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:49,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:49,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:49,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491365239] [2025-01-09 21:33:49,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:49,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:49,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:49,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:49,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:49,338 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2025-01-09 21:33:49,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 89 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 21:33:49,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:49,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2025-01-09 21:33:49,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:49,399 INFO L124 PetriNetUnfolderBase]: 24/178 cut-off events. [2025-01-09 21:33:49,400 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-01-09 21:33:49,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 178 events. 24/178 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 455 event pairs, 2 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 198. Up to 36 conditions per place. [2025-01-09 21:33:49,401 INFO L140 encePairwiseOnDemand]: 117/122 looper letters, 14 selfloop transitions, 2 changer transitions 4/91 dead transitions. [2025-01-09 21:33:49,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 91 transitions, 225 flow [2025-01-09 21:33:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2025-01-09 21:33:49,408 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8415300546448088 [2025-01-09 21:33:49,408 INFO L175 Difference]: Start difference. First operand has 91 places, 89 transitions, 184 flow. Second operand 3 states and 308 transitions. [2025-01-09 21:33:49,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 91 transitions, 225 flow [2025-01-09 21:33:49,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 91 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:33:49,411 INFO L231 Difference]: Finished difference. Result has 90 places, 83 transitions, 179 flow [2025-01-09 21:33:49,413 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=90, PETRI_TRANSITIONS=83} [2025-01-09 21:33:49,413 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -14 predicate places. [2025-01-09 21:33:49,414 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 83 transitions, 179 flow [2025-01-09 21:33:49,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 21:33:49,415 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:49,415 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:33:49,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:33:49,415 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2025-01-09 21:33:49,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:49,417 INFO L85 PathProgramCache]: Analyzing trace with hash -371833994, now seen corresponding path program 1 times [2025-01-09 21:33:49,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:49,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576752170] [2025-01-09 21:33:49,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:49,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 21:33:49,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 21:33:49,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:49,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:49,542 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 21:33:49,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:49,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576752170] [2025-01-09 21:33:49,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576752170] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:49,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:49,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:49,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074738520] [2025-01-09 21:33:49,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:49,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:49,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:49,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:49,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:49,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 122 [2025-01-09 21:33:49,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 83 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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 21:33:49,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:49,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 122 [2025-01-09 21:33:49,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:49,583 INFO L124 PetriNetUnfolderBase]: 15/164 cut-off events. [2025-01-09 21:33:49,583 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2025-01-09 21:33:49,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 164 events. 15/164 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 397 event pairs, 2 based on Foata normal form. 1/156 useless extension candidates. Maximal degree in co-relation 173. Up to 26 conditions per place. [2025-01-09 21:33:49,586 INFO L140 encePairwiseOnDemand]: 120/122 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2025-01-09 21:33:49,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 191 flow [2025-01-09 21:33:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:49,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2025-01-09 21:33:49,589 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8661202185792349 [2025-01-09 21:33:49,591 INFO L175 Difference]: Start difference. First operand has 90 places, 83 transitions, 179 flow. Second operand 3 states and 317 transitions. [2025-01-09 21:33:49,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 191 flow [2025-01-09 21:33:49,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 82 transitions, 191 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:33:49,592 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2025-01-09 21:33:49,592 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2025-01-09 21:33:49,593 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -17 predicate places. [2025-01-09 21:33:49,593 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2025-01-09 21:33:49,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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 21:33:49,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2025-01-09 21:33:49,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2025-01-09 21:33:49,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2025-01-09 21:33:49,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2025-01-09 21:33:49,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2025-01-09 21:33:49,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2025-01-09 21:33:49,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2025-01-09 21:33:49,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:33:49,604 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 21:33:49,611 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:33:49,611 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:33:49,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:33:49 BasicIcfg [2025-01-09 21:33:49,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:33:49,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:33:49,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:33:49,619 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:33:49,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:48" (3/4) ... [2025-01-09 21:33:49,622 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:33:49,624 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:33:49,624 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-09 21:33:49,627 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-01-09 21:33:49,627 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 21:33:49,628 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:33:49,628 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:33:49,699 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:33:49,699 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:33:49,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:33:49,700 INFO L158 Benchmark]: Toolchain (without parser) took 2134.77ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 140.7MB in the end (delta: 16.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-01-09 21:33:49,700 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:49,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.27ms. Allocated memory is still 201.3MB. Free memory was 156.8MB in the beginning and 145.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:33:49,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.90ms. Allocated memory is still 201.3MB. Free memory was 145.4MB in the beginning and 144.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:49,701 INFO L158 Benchmark]: Boogie Preprocessor took 21.17ms. Allocated memory is still 201.3MB. Free memory was 144.3MB in the beginning and 143.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:33:49,702 INFO L158 Benchmark]: RCFGBuilder took 466.93ms. Allocated memory is still 201.3MB. Free memory was 143.2MB in the beginning and 123.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:33:49,702 INFO L158 Benchmark]: TraceAbstraction took 1302.07ms. Allocated memory is still 201.3MB. Free memory was 122.7MB in the beginning and 146.2MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:49,704 INFO L158 Benchmark]: Witness Printer took 80.17ms. Allocated memory is still 201.3MB. Free memory was 146.2MB in the beginning and 140.7MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:49,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.27ms. Allocated memory is still 201.3MB. Free memory was 156.8MB in the beginning and 145.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.90ms. Allocated memory is still 201.3MB. Free memory was 145.4MB in the beginning and 144.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.17ms. Allocated memory is still 201.3MB. Free memory was 144.3MB in the beginning and 143.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 466.93ms. Allocated memory is still 201.3MB. Free memory was 143.2MB in the beginning and 123.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1302.07ms. Allocated memory is still 201.3MB. Free memory was 122.7MB in the beginning and 146.2MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.17ms. Allocated memory is still 201.3MB. Free memory was 146.2MB in the beginning and 140.7MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 147 locations, 23 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: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 18 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:33:49,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE