./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-difference-det.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-difference-det.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 74892b4fb04a6fe0e809c110df08d9da57c5c90ea65da5b04a32432686fc90f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:33:05,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:33:05,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:33:05,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:33:05,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:33:05,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:33:05,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:33:05,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:33:05,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:33:05,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:33:05,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:33:05,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:33:05,652 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:33:05,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:33:05,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:33:05,657 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:05,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:05,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:33:05,657 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:33:05,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:33:05,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:33:05,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:33:05,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:33:05,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:33:05,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:33:05,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:33:05,658 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 -> 74892b4fb04a6fe0e809c110df08d9da57c5c90ea65da5b04a32432686fc90f8 [2025-01-09 21:33:05,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:33:05,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:33:05,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:33:05,887 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:33:05,887 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:33:05,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2025-01-09 21:33:07,088 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/718330949/73a83198a13e452f901acf5c3dd77b8f/FLAGa1ebc9308 [2025-01-09 21:33:07,309 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:33:07,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2025-01-09 21:33:07,328 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/718330949/73a83198a13e452f901acf5c3dd77b8f/FLAGa1ebc9308 [2025-01-09 21:33:07,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/718330949/73a83198a13e452f901acf5c3dd77b8f [2025-01-09 21:33:07,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:33:07,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:33:07,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:33:07,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:33:07,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:33:07,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ef64e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07, skipping insertion in model container [2025-01-09 21:33:07,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:33:07,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:33:07,535 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:33:07,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:33:07,576 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:33:07,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07 WrapperNode [2025-01-09 21:33:07,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:33:07,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:33:07,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:33:07,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:33:07,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,606 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 111 [2025-01-09 21:33:07,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:33:07,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:33:07,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:33:07,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:33:07,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:33:07,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:33:07,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:33:07,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:33:07,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (1/1) ... [2025-01-09 21:33:07,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:33:07,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:33:07,665 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 21:33:07,671 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 21:33:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:33:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:33:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:33:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-09 21:33:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-09 21:33:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-09 21:33:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-09 21:33:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-09 21:33:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-09 21:33:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:33:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:33:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:33:07,688 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 21:33:07,752 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:33:07,754 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:33:07,888 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:33:07,888 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:33:07,903 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:33:07,903 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 21:33:07,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:07 BoogieIcfgContainer [2025-01-09 21:33:07,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:33:07,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:33:07,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:33:07,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:33:07,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:33:07" (1/3) ... [2025-01-09 21:33:07,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb6eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:33:07, skipping insertion in model container [2025-01-09 21:33:07,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:33:07" (2/3) ... [2025-01-09 21:33:07,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb6eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:33:07, skipping insertion in model container [2025-01-09 21:33:07,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:07" (3/3) ... [2025-01-09 21:33:07,911 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2025-01-09 21:33:07,921 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:33:07,922 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-difference-det.wvr.c that has 5 procedures, 152 locations, 1 initial locations, 4 loop locations, and 6 error locations. [2025-01-09 21:33:07,922 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:33:07,979 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-09 21:33:08,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 352 flow [2025-01-09 21:33:08,050 INFO L124 PetriNetUnfolderBase]: 11/158 cut-off events. [2025-01-09 21:33:08,051 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:33:08,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 158 events. 11/158 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 228 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2025-01-09 21:33:08,057 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 162 transitions, 352 flow [2025-01-09 21:33:08,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 141 transitions, 303 flow [2025-01-09 21:33:08,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:33:08,074 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;@21ff90d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:33:08,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2025-01-09 21:33:08,080 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:33:08,080 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2025-01-09 21:33:08,080 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:33:08,080 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:08,081 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 21:33:08,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:33:08,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:08,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1646807615, now seen corresponding path program 1 times [2025-01-09 21:33:08,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:08,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80109262] [2025-01-09 21:33:08,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:08,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:08,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-09 21:33:08,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-09 21:33:08,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:08,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:08,237 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 21:33:08,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:08,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80109262] [2025-01-09 21:33:08,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80109262] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:08,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:08,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:08,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397701359] [2025-01-09 21:33:08,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:08,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:08,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:08,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:08,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:08,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2025-01-09 21:33:08,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 21:33:08,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:08,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2025-01-09 21:33:08,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:08,559 INFO L124 PetriNetUnfolderBase]: 167/726 cut-off events. [2025-01-09 21:33:08,559 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2025-01-09 21:33:08,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 726 events. 167/726 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4607 event pairs, 119 based on Foata normal form. 109/733 useless extension candidates. Maximal degree in co-relation 926. Up to 244 conditions per place. [2025-01-09 21:33:08,579 INFO L140 encePairwiseOnDemand]: 153/162 looper letters, 16 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2025-01-09 21:33:08,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 134 transitions, 325 flow [2025-01-09 21:33:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2025-01-09 21:33:08,598 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8724279835390947 [2025-01-09 21:33:08,599 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 303 flow. Second operand 3 states and 424 transitions. [2025-01-09 21:33:08,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 134 transitions, 325 flow [2025-01-09 21:33:08,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 134 transitions, 312 flow, removed 0 selfloop flow, removed 7 redundant places. [2025-01-09 21:33:08,617 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 280 flow [2025-01-09 21:33:08,619 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2025-01-09 21:33:08,630 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -6 predicate places. [2025-01-09 21:33:08,630 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 280 flow [2025-01-09 21:33:08,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 21:33:08,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:08,631 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 21:33:08,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:33:08,631 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:33:08,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:08,632 INFO L85 PathProgramCache]: Analyzing trace with hash 346773646, now seen corresponding path program 1 times [2025-01-09 21:33:08,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:08,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379487622] [2025-01-09 21:33:08,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:08,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:08,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 21:33:08,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 21:33:08,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:08,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:08,723 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 21:33:08,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:08,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379487622] [2025-01-09 21:33:08,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379487622] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:08,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:08,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:08,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326331612] [2025-01-09 21:33:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:08,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:08,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:08,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:08,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:08,749 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2025-01-09 21:33:08,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 21:33:08,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:08,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2025-01-09 21:33:08,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:08,862 INFO L124 PetriNetUnfolderBase]: 181/905 cut-off events. [2025-01-09 21:33:08,862 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-01-09 21:33:08,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1205 conditions, 905 events. 181/905 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5940 event pairs, 119 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1175. Up to 261 conditions per place. [2025-01-09 21:33:08,872 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 16 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2025-01-09 21:33:08,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 314 flow [2025-01-09 21:33:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2025-01-09 21:33:08,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8600823045267489 [2025-01-09 21:33:08,874 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 280 flow. Second operand 3 states and 418 transitions. [2025-01-09 21:33:08,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 133 transitions, 314 flow [2025-01-09 21:33:08,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 133 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:33:08,876 INFO L231 Difference]: Finished difference. Result has 137 places, 133 transitions, 278 flow [2025-01-09 21:33:08,878 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=137, PETRI_TRANSITIONS=133} [2025-01-09 21:33:08,879 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -7 predicate places. [2025-01-09 21:33:08,879 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 133 transitions, 278 flow [2025-01-09 21:33:08,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 21:33:08,879 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:08,879 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] [2025-01-09 21:33:08,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:33:08,879 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:33:08,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:08,884 INFO L85 PathProgramCache]: Analyzing trace with hash -823593537, now seen corresponding path program 1 times [2025-01-09 21:33:08,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:08,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27854441] [2025-01-09 21:33:08,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:08,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:08,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 21:33:08,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 21:33:08,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:08,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:08,945 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 21:33:08,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:08,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27854441] [2025-01-09 21:33:08,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27854441] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:08,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:08,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:08,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934181151] [2025-01-09 21:33:08,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:08,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:08,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:08,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:08,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:08,960 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2025-01-09 21:33:08,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 21:33:08,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:08,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2025-01-09 21:33:08,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:09,085 INFO L124 PetriNetUnfolderBase]: 288/1127 cut-off events. [2025-01-09 21:33:09,085 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-01-09 21:33:09,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 1127 events. 288/1127 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7888 event pairs, 182 based on Foata normal form. 0/984 useless extension candidates. Maximal degree in co-relation 1581. Up to 397 conditions per place. [2025-01-09 21:33:09,092 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 21 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2025-01-09 21:33:09,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 138 transitions, 338 flow [2025-01-09 21:33:09,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2025-01-09 21:33:09,094 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2025-01-09 21:33:09,094 INFO L175 Difference]: Start difference. First operand has 137 places, 133 transitions, 278 flow. Second operand 3 states and 430 transitions. [2025-01-09 21:33:09,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 138 transitions, 338 flow [2025-01-09 21:33:09,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 138 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:33:09,098 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 284 flow [2025-01-09 21:33:09,099 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2025-01-09 21:33:09,099 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -8 predicate places. [2025-01-09 21:33:09,100 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 284 flow [2025-01-09 21:33:09,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 21:33:09,100 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:33:09,100 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:33:09,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:33:09,101 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:33:09,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:33:09,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1582498054, now seen corresponding path program 1 times [2025-01-09 21:33:09,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:33:09,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865930358] [2025-01-09 21:33:09,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:33:09,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:33:09,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 21:33:09,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 21:33:09,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:33:09,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:33:09,164 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 21:33:09,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:33:09,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865930358] [2025-01-09 21:33:09,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865930358] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:33:09,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:33:09,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:33:09,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097345353] [2025-01-09 21:33:09,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:33:09,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:33:09,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:33:09,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:33:09,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:33:09,178 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2025-01-09 21:33:09,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 21:33:09,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:33:09,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2025-01-09 21:33:09,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:33:09,308 INFO L124 PetriNetUnfolderBase]: 390/1445 cut-off events. [2025-01-09 21:33:09,308 INFO L125 PetriNetUnfolderBase]: For 47/56 co-relation queries the response was YES. [2025-01-09 21:33:09,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2053 conditions, 1445 events. 390/1445 cut-off events. For 47/56 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10788 event pairs, 60 based on Foata normal form. 1/1272 useless extension candidates. Maximal degree in co-relation 1719. Up to 507 conditions per place. [2025-01-09 21:33:09,313 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2025-01-09 21:33:09,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 138 transitions, 344 flow [2025-01-09 21:33:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:33:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:33:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2025-01-09 21:33:09,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2025-01-09 21:33:09,314 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 284 flow. Second operand 3 states and 430 transitions. [2025-01-09 21:33:09,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 138 transitions, 344 flow [2025-01-09 21:33:09,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 138 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:33:09,317 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2025-01-09 21:33:09,317 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2025-01-09 21:33:09,318 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -8 predicate places. [2025-01-09 21:33:09,318 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2025-01-09 21:33:09,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 21:33:09,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2025-01-09 21:33:09,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2025-01-09 21:33:09,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2025-01-09 21:33:09,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2025-01-09 21:33:09,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2025-01-09 21:33:09,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:33:09,323 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-09 21:33:09,326 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:33:09,326 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:33:09,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:33:09 BasicIcfg [2025-01-09 21:33:09,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:33:09,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:33:09,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:33:09,330 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:33:09,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:33:07" (3/4) ... [2025-01-09 21:33:09,332 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:33:09,333 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:33:09,333 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-09 21:33:09,334 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-01-09 21:33:09,334 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2025-01-09 21:33:09,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-01-09 21:33:09,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 21:33:09,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 21:33:09,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:33:09,381 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:33:09,382 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:33:09,382 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:33:09,382 INFO L158 Benchmark]: Toolchain (without parser) took 2022.44ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 103.2MB in the end (delta: 21.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2025-01-09 21:33:09,382 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 218.1MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:09,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.24ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 112.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:33:09,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.45ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:09,383 INFO L158 Benchmark]: Boogie Preprocessor took 28.58ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 109.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:09,383 INFO L158 Benchmark]: RCFGBuilder took 265.16ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 94.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:33:09,383 INFO L158 Benchmark]: TraceAbstraction took 1424.75ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 108.9MB in the end (delta: -15.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2025-01-09 21:33:09,383 INFO L158 Benchmark]: Witness Printer took 51.67ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 103.2MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:33:09,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 218.1MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.24ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 112.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.45ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.58ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 109.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 265.16ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 94.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1424.75ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 108.9MB in the end (delta: -15.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 51.67ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 103.2MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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 9 procedures, 230 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 19 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:33:09,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE