./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_2-join.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/ldv-races/race-1_2-join.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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:16:54,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:16:54,704 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:16:54,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:16:54,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:16:54,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:16:54,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:16:54,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:16:54,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:16:54,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:16:54,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:16:54,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:16:54,747 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:16:54,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:16:54,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:16:54,747 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:16:54,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:16:54,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:16:54,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:16:54,750 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:54,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:54,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:16:54,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:16:54,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:16:54,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:16:54,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:16:54,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:16:54,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:16:54,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:16:54,751 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 -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2025-01-09 21:16:55,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:16:55,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:16:55,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:16:55,059 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:16:55,060 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:16:55,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_2-join.i [2025-01-09 21:16:56,385 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1ae97f70/faa8f1cb92b2440e8a93461c59d9e3f2/FLAG8c99a705e [2025-01-09 21:16:56,814 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:16:56,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_2-join.i [2025-01-09 21:16:56,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1ae97f70/faa8f1cb92b2440e8a93461c59d9e3f2/FLAG8c99a705e [2025-01-09 21:16:56,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1ae97f70/faa8f1cb92b2440e8a93461c59d9e3f2 [2025-01-09 21:16:56,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:16:56,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:16:56,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:16:56,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:16:56,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:16:56,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:16:56" (1/1) ... [2025-01-09 21:16:56,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20278eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:56, skipping insertion in model container [2025-01-09 21:16:56,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:16:56" (1/1) ... [2025-01-09 21:16:56,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:16:57,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:16:57,644 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:16:57,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:16:57,814 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:16:57,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57 WrapperNode [2025-01-09 21:16:57,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:16:57,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:16:57,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:16:57,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:16:57,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,869 INFO L138 Inliner]: procedures = 483, calls = 31, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 123 [2025-01-09 21:16:57,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:16:57,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:16:57,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:16:57,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:16:57,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:16:57,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:16:57,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:16:57,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:16:57,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:16:57,970 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 21:16:57,973 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 21:16:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-09 21:16:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:16:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-09 21:16:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:16:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:16:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 21:16:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:16:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:16:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:16:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:16:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:16:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:16:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:16:57,997 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 21:16:58,286 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:16:58,288 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:16:58,495 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:16:58,496 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:16:58,544 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:16:58,545 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:16:58,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:58 BoogieIcfgContainer [2025-01-09 21:16:58,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:16:58,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:16:58,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:16:58,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:16:58,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:16:56" (1/3) ... [2025-01-09 21:16:58,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47285be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:16:58, skipping insertion in model container [2025-01-09 21:16:58,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (2/3) ... [2025-01-09 21:16:58,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47285be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:16:58, skipping insertion in model container [2025-01-09 21:16:58,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:58" (3/3) ... [2025-01-09 21:16:58,557 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2025-01-09 21:16:58,572 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:16:58,573 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_2-join.i that has 2 procedures, 134 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2025-01-09 21:16:58,573 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:16:58,621 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:16:58,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 141 transitions, 289 flow [2025-01-09 21:16:58,727 INFO L124 PetriNetUnfolderBase]: 7/156 cut-off events. [2025-01-09 21:16:58,730 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:16:58,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 156 events. 7/156 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 235 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2025-01-09 21:16:58,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 141 transitions, 289 flow [2025-01-09 21:16:58,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 123 transitions, 252 flow [2025-01-09 21:16:58,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:16:58,767 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;@2b99642c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:16:58,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-01-09 21:16:58,779 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:16:58,779 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-01-09 21:16:58,779 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:16:58,779 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:58,780 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] [2025-01-09 21:16:58,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:58,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:58,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1600114191, now seen corresponding path program 1 times [2025-01-09 21:16:58,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:58,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372886013] [2025-01-09 21:16:58,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:58,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-09 21:16:58,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-09 21:16:58,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:58,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,138 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 21:16:59,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372886013] [2025-01-09 21:16:59,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372886013] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208301790] [2025-01-09 21:16:59,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:16:59,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 123 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 21:16:59,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:16:59,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,327 INFO L124 PetriNetUnfolderBase]: 9/187 cut-off events. [2025-01-09 21:16:59,327 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2025-01-09 21:16:59,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 187 events. 9/187 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 547 event pairs, 9 based on Foata normal form. 4/173 useless extension candidates. Maximal degree in co-relation 114. Up to 36 conditions per place. [2025-01-09 21:16:59,330 INFO L140 encePairwiseOnDemand]: 131/141 looper letters, 16 selfloop transitions, 2 changer transitions 6/111 dead transitions. [2025-01-09 21:16:59,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 264 flow [2025-01-09 21:16:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2025-01-09 21:16:59,350 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2025-01-09 21:16:59,353 INFO L175 Difference]: Start difference. First operand has 122 places, 123 transitions, 252 flow. Second operand 3 states and 356 transitions. [2025-01-09 21:16:59,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 264 flow [2025-01-09 21:16:59,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:59,364 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 216 flow [2025-01-09 21:16:59,367 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2025-01-09 21:16:59,373 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -8 predicate places. [2025-01-09 21:16:59,374 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 216 flow [2025-01-09 21:16:59,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 21:16:59,374 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:59,374 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 21:16:59,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:16:59,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:59,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:59,376 INFO L85 PathProgramCache]: Analyzing trace with hash 840499616, now seen corresponding path program 1 times [2025-01-09 21:16:59,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:59,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957555087] [2025-01-09 21:16:59,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:59,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-09 21:16:59,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-09 21:16:59,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,497 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 21:16:59,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957555087] [2025-01-09 21:16:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957555087] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059028926] [2025-01-09 21:16:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,536 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:16:59,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 21:16:59,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:16:59,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,596 INFO L124 PetriNetUnfolderBase]: 6/178 cut-off events. [2025-01-09 21:16:59,596 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2025-01-09 21:16:59,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 178 events. 6/178 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 481 event pairs, 1 based on Foata normal form. 2/167 useless extension candidates. Maximal degree in co-relation 183. Up to 17 conditions per place. [2025-01-09 21:16:59,597 INFO L140 encePairwiseOnDemand]: 130/141 looper letters, 13 selfloop transitions, 7 changer transitions 3/108 dead transitions. [2025-01-09 21:16:59,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 108 transitions, 265 flow [2025-01-09 21:16:59,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2025-01-09 21:16:59,600 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8368794326241135 [2025-01-09 21:16:59,600 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 216 flow. Second operand 3 states and 354 transitions. [2025-01-09 21:16:59,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 108 transitions, 265 flow [2025-01-09 21:16:59,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 108 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:59,605 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 233 flow [2025-01-09 21:16:59,605 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2025-01-09 21:16:59,610 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -16 predicate places. [2025-01-09 21:16:59,610 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 233 flow [2025-01-09 21:16:59,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 21:16:59,610 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:59,610 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] [2025-01-09 21:16:59,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:16:59,611 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:59,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:59,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1556343009, now seen corresponding path program 1 times [2025-01-09 21:16:59,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:59,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677935418] [2025-01-09 21:16:59,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:59,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 21:16:59,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 21:16:59,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,750 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 21:16:59,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677935418] [2025-01-09 21:16:59,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677935418] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001087338] [2025-01-09 21:16:59,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,802 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:16:59,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 21:16:59,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:16:59,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,847 INFO L124 PetriNetUnfolderBase]: 10/190 cut-off events. [2025-01-09 21:16:59,848 INFO L125 PetriNetUnfolderBase]: For 21/24 co-relation queries the response was YES. [2025-01-09 21:16:59,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 190 events. 10/190 cut-off events. For 21/24 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 625 event pairs, 7 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 36. Up to 41 conditions per place. [2025-01-09 21:16:59,849 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 18 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2025-01-09 21:16:59,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 271 flow [2025-01-09 21:16:59,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2025-01-09 21:16:59,852 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8226950354609929 [2025-01-09 21:16:59,852 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 233 flow. Second operand 3 states and 348 transitions. [2025-01-09 21:16:59,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 271 flow [2025-01-09 21:16:59,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:16:59,858 INFO L231 Difference]: Finished difference. Result has 103 places, 101 transitions, 228 flow [2025-01-09 21:16:59,858 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=103, PETRI_TRANSITIONS=101} [2025-01-09 21:16:59,859 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -19 predicate places. [2025-01-09 21:16:59,860 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 228 flow [2025-01-09 21:16:59,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 21:16:59,861 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:59,861 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] [2025-01-09 21:16:59,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:16:59,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:59,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1654593785, now seen corresponding path program 1 times [2025-01-09 21:16:59,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:59,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229099778] [2025-01-09 21:16:59,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:59,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-09 21:16:59,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-09 21:16:59,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,976 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 21:16:59,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229099778] [2025-01-09 21:16:59,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229099778] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641427314] [2025-01-09 21:16:59,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,990 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2025-01-09 21:16:59,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 21:16:59,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2025-01-09 21:16:59,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:17:00,022 INFO L124 PetriNetUnfolderBase]: 17/210 cut-off events. [2025-01-09 21:17:00,022 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-01-09 21:17:00,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 210 events. 17/210 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 706 event pairs, 7 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 252. Up to 49 conditions per place. [2025-01-09 21:17:00,023 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 17 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2025-01-09 21:17:00,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 103 transitions, 272 flow [2025-01-09 21:17:00,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:17:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:17:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2025-01-09 21:17:00,025 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2025-01-09 21:17:00,025 INFO L175 Difference]: Start difference. First operand has 103 places, 101 transitions, 228 flow. Second operand 3 states and 360 transitions. [2025-01-09 21:17:00,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 103 transitions, 272 flow [2025-01-09 21:17:00,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 103 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:17:00,027 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 226 flow [2025-01-09 21:17:00,028 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2025-01-09 21:17:00,028 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -20 predicate places. [2025-01-09 21:17:00,028 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 226 flow [2025-01-09 21:17:00,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 21:17:00,029 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:17:00,029 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] [2025-01-09 21:17:00,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:17:00,029 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:17:00,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:17:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash 58778051, now seen corresponding path program 1 times [2025-01-09 21:17:00,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:17:00,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837977832] [2025-01-09 21:17:00,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:17:00,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:17:00,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-09 21:17:00,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-09 21:17:00,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:17:00,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:17:00,111 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 21:17:00,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:17:00,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837977832] [2025-01-09 21:17:00,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837977832] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:17:00,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:17:00,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:17:00,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775807462] [2025-01-09 21:17:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:17:00,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:17:00,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:17:00,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:17:00,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:17:00,121 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 141 [2025-01-09 21:17:00,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 21:17:00,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:17:00,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 141 [2025-01-09 21:17:00,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:17:00,157 INFO L124 PetriNetUnfolderBase]: 14/186 cut-off events. [2025-01-09 21:17:00,158 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-01-09 21:17:00,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 186 events. 14/186 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 548 event pairs, 3 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 164. Up to 24 conditions per place. [2025-01-09 21:17:00,161 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 14 selfloop transitions, 1 changer transitions 16/102 dead transitions. [2025-01-09 21:17:00,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 102 transitions, 262 flow [2025-01-09 21:17:00,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:17:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:17:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2025-01-09 21:17:00,162 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8699763593380615 [2025-01-09 21:17:00,162 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 226 flow. Second operand 3 states and 368 transitions. [2025-01-09 21:17:00,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 102 transitions, 262 flow [2025-01-09 21:17:00,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 102 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:17:00,168 INFO L231 Difference]: Finished difference. Result has 101 places, 83 transitions, 186 flow [2025-01-09 21:17:00,170 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=101, PETRI_TRANSITIONS=83} [2025-01-09 21:17:00,171 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -21 predicate places. [2025-01-09 21:17:00,172 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 83 transitions, 186 flow [2025-01-09 21:17:00,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 21:17:00,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:17:00,173 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, 1, 1, 1] [2025-01-09 21:17:00,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:17:00,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:17:00,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:17:00,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1430973916, now seen corresponding path program 1 times [2025-01-09 21:17:00,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:17:00,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024873987] [2025-01-09 21:17:00,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:17:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:17:00,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 21:17:00,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 21:17:00,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:17:00,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:17:00,289 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 21:17:00,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:17:00,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024873987] [2025-01-09 21:17:00,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024873987] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:17:00,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:17:00,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:17:00,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367221967] [2025-01-09 21:17:00,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:17:00,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:17:00,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:17:00,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:17:00,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:17:00,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:17:00,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 83 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 21:17:00,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:17:00,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:17:00,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:17:00,350 INFO L124 PetriNetUnfolderBase]: 10/153 cut-off events. [2025-01-09 21:17:00,351 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-01-09 21:17:00,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 153 events. 10/153 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 393 event pairs, 7 based on Foata normal form. 1/147 useless extension candidates. Maximal degree in co-relation 180. Up to 36 conditions per place. [2025-01-09 21:17:00,353 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2025-01-09 21:17:00,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 214 flow [2025-01-09 21:17:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:17:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:17:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2025-01-09 21:17:00,356 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8108747044917257 [2025-01-09 21:17:00,356 INFO L175 Difference]: Start difference. First operand has 101 places, 83 transitions, 186 flow. Second operand 3 states and 343 transitions. [2025-01-09 21:17:00,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 214 flow [2025-01-09 21:17:00,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 82 transitions, 213 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:17:00,358 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2025-01-09 21:17:00,358 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=84, 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=86, PETRI_TRANSITIONS=0} [2025-01-09 21:17:00,359 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -36 predicate places. [2025-01-09 21:17:00,360 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2025-01-09 21:17:00,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 21:17:00,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-01-09 21:17:00,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-01-09 21:17:00,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-01-09 21:17:00,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-01-09 21:17:00,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-01-09 21:17:00,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-01-09 21:17:00,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-01-09 21:17:00,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-01-09 21:17:00,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-01-09 21:17:00,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-01-09 21:17:00,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-01-09 21:17:00,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2025-01-09 21:17:00,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-01-09 21:17:00,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:17:00,366 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 21:17:00,373 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:17:00,373 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:17:00,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:17:00 BasicIcfg [2025-01-09 21:17:00,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:17:00,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:17:00,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:17:00,381 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:17:00,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:58" (3/4) ... [2025-01-09 21:17:00,383 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:17:00,385 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:17:00,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2025-01-09 21:17:00,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-01-09 21:17:00,393 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:17:00,393 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:17:00,464 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:17:00,464 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:17:00,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:17:00,465 INFO L158 Benchmark]: Toolchain (without parser) took 3591.74ms. Allocated memory is still 201.3MB. Free memory was 155.9MB in the beginning and 81.2MB in the end (delta: 74.6MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2025-01-09 21:17:00,465 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:17:00,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 939.49ms. Allocated memory is still 201.3MB. Free memory was 155.9MB in the beginning and 101.5MB in the end (delta: 54.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-09 21:17:00,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.59ms. Allocated memory is still 201.3MB. Free memory was 101.5MB in the beginning and 98.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:17:00,466 INFO L158 Benchmark]: Boogie Preprocessor took 55.80ms. Allocated memory is still 201.3MB. Free memory was 98.4MB in the beginning and 96.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:17:00,467 INFO L158 Benchmark]: RCFGBuilder took 620.74ms. Allocated memory is still 201.3MB. Free memory was 96.1MB in the beginning and 71.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:17:00,467 INFO L158 Benchmark]: TraceAbstraction took 1829.07ms. Allocated memory is still 201.3MB. Free memory was 71.1MB in the beginning and 88.4MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:17:00,467 INFO L158 Benchmark]: Witness Printer took 84.00ms. Allocated memory is still 201.3MB. Free memory was 88.4MB in the beginning and 81.2MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:17:00,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 939.49ms. Allocated memory is still 201.3MB. Free memory was 155.9MB in the beginning and 101.5MB in the end (delta: 54.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.59ms. Allocated memory is still 201.3MB. Free memory was 101.5MB in the beginning and 98.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.80ms. Allocated memory is still 201.3MB. Free memory was 98.4MB in the beginning and 96.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 620.74ms. Allocated memory is still 201.3MB. Free memory was 96.1MB in the beginning and 71.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1829.07ms. Allocated memory is still 201.3MB. Free memory was 71.1MB in the beginning and 88.4MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.00ms. Allocated memory is still 201.3MB. Free memory was 88.4MB in the beginning and 81.2MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1731]: 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, 145 locations, 13 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: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 75 mSDtfsCounter, 246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:17:00,484 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