./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.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-more-array-sum-alt2.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 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:33:14,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:33:14,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:33:14,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:33:14,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:33:14,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:33:14,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:33:14,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:33:14,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:33:14,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:33:14,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:33:14,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:33:14,755 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:33:14,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:33:14,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:33:14,757 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:33:14,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:33:14,757 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:33:14,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:33:14,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:33:14,757 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:33:14,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:33:14,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:33:14,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:33:14,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:14,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:33:14,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:33:14,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:33:14,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:14,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:33:14,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:33:14,759 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 -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a [2025-01-09 21:33:15,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:33:15,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:33:15,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:33:15,034 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:33:15,034 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:33:15,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2025-01-09 21:33:16,333 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a87f8702d/854c4f0012da40b1a78654bf7744a52f/FLAGa2cac1fa6 [2025-01-09 21:33:16,628 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:33:16,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2025-01-09 21:33:16,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a87f8702d/854c4f0012da40b1a78654bf7744a52f/FLAGa2cac1fa6 [2025-01-09 21:33:16,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a87f8702d/854c4f0012da40b1a78654bf7744a52f [2025-01-09 21:33:16,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:33:16,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:33:16,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:33:16,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:33:16,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:33:16,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:16,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34eb0ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16, skipping insertion in model container [2025-01-09 21:33:16,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:16,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:33:16,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:33:16,910 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:33:16,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:33:16,965 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:33:16,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16 WrapperNode [2025-01-09 21:33:16,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:33:16,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:33:16,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:33:16,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:33:16,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:16,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,005 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 260 [2025-01-09 21:33:17,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:33:17,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:33:17,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:33:17,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:33:17,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,033 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:33:17,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:33:17,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:33:17,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:33:17,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (1/1) ... [2025-01-09 21:33:17,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:17,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:33:17,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:33:17,098 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 21:33:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:33:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:33:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:33:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-09 21:33:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-09 21:33:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-09 21:33:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-09 21:33:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:33:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:33:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-09 21:33:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-09 21:33:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 21:33:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:33:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:33:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:33:17,123 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 21:33:17,238 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:33:17,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:33:17,755 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:33:17,755 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:33:18,028 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:33:18,029 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-09 21:33:18,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:18 BoogieIcfgContainer [2025-01-09 21:33:18,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:33:18,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:33:18,032 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:33:18,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:33:18,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:33:16" (1/3) ... [2025-01-09 21:33:18,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6abbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:33:18, skipping insertion in model container [2025-01-09 21:33:18,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:16" (2/3) ... [2025-01-09 21:33:18,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6abbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:33:18, skipping insertion in model container [2025-01-09 21:33:18,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:18" (3/3) ... [2025-01-09 21:33:18,037 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2025-01-09 21:33:18,051 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:33:18,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt2.wvr.c that has 4 procedures, 207 locations, 1 initial locations, 4 loop locations, and 26 error locations. [2025-01-09 21:33:18,053 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:33:18,142 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-09 21:33:18,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 218 transitions, 457 flow [2025-01-09 21:33:18,245 INFO L124 PetriNetUnfolderBase]: 12/215 cut-off events. [2025-01-09 21:33:18,249 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-01-09 21:33:18,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 215 events. 12/215 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 255 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 169. Up to 2 conditions per place. [2025-01-09 21:33:18,258 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 218 transitions, 457 flow [2025-01-09 21:33:18,266 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 198 transitions, 414 flow [2025-01-09 21:33:18,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:33:18,291 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;@4d23da85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:33:18,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2025-01-09 21:33:18,300 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:33:18,303 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2025-01-09 21:33:18,303 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:33:18,304 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:18,304 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] [2025-01-09 21:33:18,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:18,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:18,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1885085207, now seen corresponding path program 1 times [2025-01-09 21:33:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:18,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144285571] [2025-01-09 21:33:18,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:18,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-09 21:33:18,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-09 21:33:18,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:18,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:18,445 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 21:33:18,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:18,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144285571] [2025-01-09 21:33:18,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144285571] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:18,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:18,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:18,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997975012] [2025-01-09 21:33:18,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:18,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:18,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:18,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:18,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:18,516 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 218 [2025-01-09 21:33:18,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 198 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 21:33:18,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:18,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 218 [2025-01-09 21:33:18,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:18,656 INFO L124 PetriNetUnfolderBase]: 58/414 cut-off events. [2025-01-09 21:33:18,657 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2025-01-09 21:33:18,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 414 events. 58/414 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1634 event pairs, 38 based on Foata normal form. 26/382 useless extension candidates. Maximal degree in co-relation 272. Up to 92 conditions per place. [2025-01-09 21:33:18,664 INFO L140 encePairwiseOnDemand]: 197/218 looper letters, 16 selfloop transitions, 2 changer transitions 3/179 dead transitions. [2025-01-09 21:33:18,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 179 transitions, 412 flow [2025-01-09 21:33:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:18,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2025-01-09 21:33:18,680 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8730886850152905 [2025-01-09 21:33:18,682 INFO L175 Difference]: Start difference. First operand has 197 places, 198 transitions, 414 flow. Second operand 3 states and 571 transitions. [2025-01-09 21:33:18,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 179 transitions, 412 flow [2025-01-09 21:33:18,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 179 transitions, 400 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-01-09 21:33:18,691 INFO L231 Difference]: Finished difference. Result has 180 places, 176 transitions, 362 flow [2025-01-09 21:33:18,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=180, PETRI_TRANSITIONS=176} [2025-01-09 21:33:18,696 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -17 predicate places. [2025-01-09 21:33:18,698 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 176 transitions, 362 flow [2025-01-09 21:33:18,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 21:33:18,721 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:18,721 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] [2025-01-09 21:33:18,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:33:18,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:18,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:18,723 INFO L85 PathProgramCache]: Analyzing trace with hash -929976189, now seen corresponding path program 1 times [2025-01-09 21:33:18,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:18,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304775141] [2025-01-09 21:33:18,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:18,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:18,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 21:33:18,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 21:33:18,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:18,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:18,793 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 21:33:18,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:18,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304775141] [2025-01-09 21:33:18,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304775141] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:18,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:18,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:18,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354011271] [2025-01-09 21:33:18,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:18,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:18,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:18,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:18,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:18,822 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 218 [2025-01-09 21:33:18,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 176 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 21:33:18,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:18,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 218 [2025-01-09 21:33:18,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:18,888 INFO L124 PetriNetUnfolderBase]: 50/344 cut-off events. [2025-01-09 21:33:18,889 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:33:18,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 344 events. 50/344 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1180 event pairs, 34 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 415. Up to 85 conditions per place. [2025-01-09 21:33:18,891 INFO L140 encePairwiseOnDemand]: 215/218 looper letters, 16 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2025-01-09 21:33:18,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 175 transitions, 396 flow [2025-01-09 21:33:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2025-01-09 21:33:18,894 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.845565749235474 [2025-01-09 21:33:18,894 INFO L175 Difference]: Start difference. First operand has 180 places, 176 transitions, 362 flow. Second operand 3 states and 553 transitions. [2025-01-09 21:33:18,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 175 transitions, 396 flow [2025-01-09 21:33:18,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 175 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:33:18,898 INFO L231 Difference]: Finished difference. Result has 176 places, 175 transitions, 360 flow [2025-01-09 21:33:18,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=176, PETRI_TRANSITIONS=175} [2025-01-09 21:33:18,899 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -21 predicate places. [2025-01-09 21:33:18,899 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 175 transitions, 360 flow [2025-01-09 21:33:18,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 21:33:18,900 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:18,900 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] [2025-01-09 21:33:18,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:33:18,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:18,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:18,901 INFO L85 PathProgramCache]: Analyzing trace with hash -792410770, now seen corresponding path program 1 times [2025-01-09 21:33:18,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:18,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442440613] [2025-01-09 21:33:18,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:18,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:18,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-09 21:33:18,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-09 21:33:18,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:18,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:18,937 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 21:33:18,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:18,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442440613] [2025-01-09 21:33:18,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442440613] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:18,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:18,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:18,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104024557] [2025-01-09 21:33:18,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:18,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:18,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:18,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:18,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:18,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 218 [2025-01-09 21:33:18,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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 21:33:18,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:18,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 218 [2025-01-09 21:33:18,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:19,050 INFO L124 PetriNetUnfolderBase]: 83/413 cut-off events. [2025-01-09 21:33:19,050 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-01-09 21:33:19,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 413 events. 83/413 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1690 event pairs, 59 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 529. Up to 135 conditions per place. [2025-01-09 21:33:19,053 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 17 selfloop transitions, 1 changer transitions 0/171 dead transitions. [2025-01-09 21:33:19,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 171 transitions, 388 flow [2025-01-09 21:33:19,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2025-01-09 21:33:19,056 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8409785932721713 [2025-01-09 21:33:19,056 INFO L175 Difference]: Start difference. First operand has 176 places, 175 transitions, 360 flow. Second operand 3 states and 550 transitions. [2025-01-09 21:33:19,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 171 transitions, 388 flow [2025-01-09 21:33:19,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 171 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:33:19,059 INFO L231 Difference]: Finished difference. Result has 172 places, 171 transitions, 350 flow [2025-01-09 21:33:19,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=172, PETRI_TRANSITIONS=171} [2025-01-09 21:33:19,060 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -25 predicate places. [2025-01-09 21:33:19,061 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 171 transitions, 350 flow [2025-01-09 21:33:19,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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 21:33:19,061 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:19,061 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] [2025-01-09 21:33:19,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:33:19,062 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:19,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:19,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2070949544, now seen corresponding path program 1 times [2025-01-09 21:33:19,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:19,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333806817] [2025-01-09 21:33:19,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:19,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:19,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-09 21:33:19,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-09 21:33:19,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:19,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:19,185 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 21:33:19,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:19,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333806817] [2025-01-09 21:33:19,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333806817] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:19,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:19,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:19,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098136807] [2025-01-09 21:33:19,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:19,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:19,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:19,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:19,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:19,199 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 218 [2025-01-09 21:33:19,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 171 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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 21:33:19,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:19,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 218 [2025-01-09 21:33:19,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:19,270 INFO L124 PetriNetUnfolderBase]: 24/266 cut-off events. [2025-01-09 21:33:19,270 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:33:19,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 266 events. 24/266 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 708 event pairs, 15 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 280. Up to 40 conditions per place. [2025-01-09 21:33:19,272 INFO L140 encePairwiseOnDemand]: 215/218 looper letters, 12 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2025-01-09 21:33:19,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 170 transitions, 376 flow [2025-01-09 21:33:19,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2025-01-09 21:33:19,275 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8577981651376146 [2025-01-09 21:33:19,276 INFO L175 Difference]: Start difference. First operand has 172 places, 171 transitions, 350 flow. Second operand 3 states and 561 transitions. [2025-01-09 21:33:19,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 170 transitions, 376 flow [2025-01-09 21:33:19,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 170 transitions, 375 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:33:19,279 INFO L231 Difference]: Finished difference. Result has 172 places, 170 transitions, 351 flow [2025-01-09 21:33:19,281 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=172, PETRI_TRANSITIONS=170} [2025-01-09 21:33:19,282 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -25 predicate places. [2025-01-09 21:33:19,282 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 170 transitions, 351 flow [2025-01-09 21:33:19,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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 21:33:19,282 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:19,282 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] [2025-01-09 21:33:19,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:33:19,284 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:19,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:19,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1716063797, now seen corresponding path program 1 times [2025-01-09 21:33:19,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:19,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779863825] [2025-01-09 21:33:19,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:19,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:19,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-09 21:33:19,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-09 21:33:19,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:19,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:19,954 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 21:33:19,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:19,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779863825] [2025-01-09 21:33:19,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779863825] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:19,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:19,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:33:19,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739804351] [2025-01-09 21:33:19,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:19,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:33:19,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:19,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:33:19,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:33:20,041 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 218 [2025-01-09 21:33:20,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 170 transitions, 351 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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 21:33:20,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:20,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 218 [2025-01-09 21:33:20,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:20,134 INFO L124 PetriNetUnfolderBase]: 24/265 cut-off events. [2025-01-09 21:33:20,134 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:33:20,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 265 events. 24/265 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 705 event pairs, 15 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 290. Up to 45 conditions per place. [2025-01-09 21:33:20,137 INFO L140 encePairwiseOnDemand]: 212/218 looper letters, 17 selfloop transitions, 5 changer transitions 0/169 dead transitions. [2025-01-09 21:33:20,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 393 flow [2025-01-09 21:33:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:33:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:33:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1073 transitions. [2025-01-09 21:33:20,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8203363914373089 [2025-01-09 21:33:20,143 INFO L175 Difference]: Start difference. First operand has 172 places, 170 transitions, 351 flow. Second operand 6 states and 1073 transitions. [2025-01-09 21:33:20,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 393 flow [2025-01-09 21:33:20,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 169 transitions, 389 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:33:20,149 INFO L231 Difference]: Finished difference. Result has 174 places, 169 transitions, 355 flow [2025-01-09 21:33:20,152 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=355, PETRI_PLACES=174, PETRI_TRANSITIONS=169} [2025-01-09 21:33:20,152 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -23 predicate places. [2025-01-09 21:33:20,152 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 169 transitions, 355 flow [2025-01-09 21:33:20,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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 21:33:20,153 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:20,153 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] [2025-01-09 21:33:20,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:33:20,154 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:20,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:20,154 INFO L85 PathProgramCache]: Analyzing trace with hash 745015287, now seen corresponding path program 1 times [2025-01-09 21:33:20,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:20,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008800184] [2025-01-09 21:33:20,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:20,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 21:33:20,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 21:33:20,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:20,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:20,208 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 21:33:20,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:20,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008800184] [2025-01-09 21:33:20,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008800184] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:20,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:20,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:20,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792606665] [2025-01-09 21:33:20,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:20,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:20,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:20,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:20,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:20,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 218 [2025-01-09 21:33:20,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 169 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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 21:33:20,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:20,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 218 [2025-01-09 21:33:20,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:20,344 INFO L124 PetriNetUnfolderBase]: 101/488 cut-off events. [2025-01-09 21:33:20,344 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-01-09 21:33:20,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 488 events. 101/488 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2223 event pairs, 71 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 641. Up to 150 conditions per place. [2025-01-09 21:33:20,350 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 17 selfloop transitions, 1 changer transitions 0/165 dead transitions. [2025-01-09 21:33:20,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 165 transitions, 383 flow [2025-01-09 21:33:20,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2025-01-09 21:33:20,353 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8409785932721713 [2025-01-09 21:33:20,353 INFO L175 Difference]: Start difference. First operand has 174 places, 169 transitions, 355 flow. Second operand 3 states and 550 transitions. [2025-01-09 21:33:20,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 165 transitions, 383 flow [2025-01-09 21:33:20,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 373 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:33:20,356 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2025-01-09 21:33:20,357 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2025-01-09 21:33:20,358 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2025-01-09 21:33:20,359 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2025-01-09 21:33:20,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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 21:33:20,359 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:20,359 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:33:20,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:33:20,360 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:20,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:20,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2095076161, now seen corresponding path program 1 times [2025-01-09 21:33:20,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:20,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479550996] [2025-01-09 21:33:20,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:20,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:20,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 21:33:20,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 21:33:20,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:20,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:20,434 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 21:33:20,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:20,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479550996] [2025-01-09 21:33:20,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479550996] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:20,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:20,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:20,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898362345] [2025-01-09 21:33:20,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:20,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:20,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:20,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:20,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:20,443 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 218 [2025-01-09 21:33:20,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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 21:33:20,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:20,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 218 [2025-01-09 21:33:20,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:20,497 INFO L124 PetriNetUnfolderBase]: 24/256 cut-off events. [2025-01-09 21:33:20,497 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:33:20,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 256 events. 24/256 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 648 event pairs, 15 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 269. Up to 37 conditions per place. [2025-01-09 21:33:20,499 INFO L140 encePairwiseOnDemand]: 216/218 looper letters, 10 selfloop transitions, 1 changer transitions 0/164 dead transitions. [2025-01-09 21:33:20,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 359 flow [2025-01-09 21:33:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2025-01-09 21:33:20,502 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8715596330275229 [2025-01-09 21:33:20,502 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 570 transitions. [2025-01-09 21:33:20,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 359 flow [2025-01-09 21:33:20,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:33:20,505 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 338 flow [2025-01-09 21:33:20,505 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2025-01-09 21:33:20,506 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2025-01-09 21:33:20,506 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 338 flow [2025-01-09 21:33:20,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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 21:33:20,507 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:20,507 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:33:20,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:33:20,507 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-01-09 21:33:20,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:20,508 INFO L85 PathProgramCache]: Analyzing trace with hash -735955182, now seen corresponding path program 1 times [2025-01-09 21:33:20,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:20,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498337154] [2025-01-09 21:33:20,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:20,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-09 21:33:20,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-09 21:33:20,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:20,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:20,580 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 21:33:20,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:20,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498337154] [2025-01-09 21:33:20,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498337154] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:20,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:20,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:20,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995827894] [2025-01-09 21:33:20,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:20,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:20,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:20,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:20,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:20,587 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 218 [2025-01-09 21:33:20,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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 21:33:20,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:20,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 218 [2025-01-09 21:33:20,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:20,645 INFO L124 PetriNetUnfolderBase]: 24/255 cut-off events. [2025-01-09 21:33:20,645 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:33:20,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 255 events. 24/255 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 648 event pairs, 15 based on Foata normal form. 1/247 useless extension candidates. Maximal degree in co-relation 297. Up to 37 conditions per place. [2025-01-09 21:33:20,646 INFO L140 encePairwiseOnDemand]: 216/218 looper letters, 0 selfloop transitions, 0 changer transitions 163/163 dead transitions. [2025-01-09 21:33:20,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 356 flow [2025-01-09 21:33:20,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2025-01-09 21:33:20,648 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8700305810397554 [2025-01-09 21:33:20,648 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 338 flow. Second operand 3 states and 569 transitions. [2025-01-09 21:33:20,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 356 flow [2025-01-09 21:33:20,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 163 transitions, 355 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:33:20,650 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2025-01-09 21:33:20,650 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2025-01-09 21:33:20,651 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2025-01-09 21:33:20,651 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2025-01-09 21:33:20,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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 21:33:20,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2025-01-09 21:33:20,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2025-01-09 21:33:20,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2025-01-09 21:33:20,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2025-01-09 21:33:20,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 21:33:20,656 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:33:20,661 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:33:20,661 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:33:20,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:33:20 BasicIcfg [2025-01-09 21:33:20,666 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:33:20,666 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:33:20,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:33:20,667 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:33:20,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:18" (3/4) ... [2025-01-09 21:33:20,668 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:33:20,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:33:20,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-09 21:33:20,671 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-01-09 21:33:20,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-01-09 21:33:20,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 21:33:20,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:33:20,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:33:20,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:33:20,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:33:20,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:33:20,747 INFO L158 Benchmark]: Toolchain (without parser) took 4057.37ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 96.6MB in the end (delta: 16.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2025-01-09 21:33:20,747 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:20,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.81ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 100.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:33:20,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.12ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:33:20,747 INFO L158 Benchmark]: Boogie Preprocessor took 44.29ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:20,748 INFO L158 Benchmark]: RCFGBuilder took 972.96ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 104.2MB in the end (delta: -7.7MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2025-01-09 21:33:20,748 INFO L158 Benchmark]: TraceAbstraction took 2634.16ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 103.6MB in the end (delta: -159.8kB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2025-01-09 21:33:20,748 INFO L158 Benchmark]: Witness Printer took 79.51ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 96.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:33:20,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.81ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 100.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.12ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.29ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 972.96ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 104.2MB in the end (delta: -7.7MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2634.16ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 103.6MB in the end (delta: -159.8kB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Witness Printer took 79.51ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 96.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 67]: 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: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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 7 procedures, 267 locations, 45 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: 2.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 15 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=414occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 1.0s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:33:20,764 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