./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 1b70ede661e7603b398ef8451f3044e8c4194e1b697431a90b0f625c9642c620 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:10:09,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:10:09,151 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:10:09,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:10:09,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:10:09,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:10:09,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:10:09,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:10:09,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:10:09,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:10:09,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:10:09,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:10:09,179 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:10:09,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:10:09,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:10:09,179 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:10:09,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:10:09,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:10:09,180 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:09,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:09,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:09,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:10:09,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:09,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:09,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:09,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:10:09,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:10:09,181 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:10:09,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:10:09,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:10:09,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:10:09,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:10:09,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:10:09,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:10:09,182 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/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 -> 1b70ede661e7603b398ef8451f3044e8c4194e1b697431a90b0f625c9642c620 [2025-04-29 11:10:09,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:10:09,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:10:09,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:10:09,386 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:10:09,386 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:10:09,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.c [2025-04-29 11:10:10,643 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb50206e2/255c5ab6db8e4f9d9a3cd56d1cdfe408/FLAGde9095234 [2025-04-29 11:10:10,830 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:10:10,830 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.c [2025-04-29 11:10:10,831 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:10,832 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:10,841 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb50206e2/255c5ab6db8e4f9d9a3cd56d1cdfe408/FLAGde9095234 [2025-04-29 11:10:11,644 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb50206e2/255c5ab6db8e4f9d9a3cd56d1cdfe408 [2025-04-29 11:10:11,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:10:11,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:10:11,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:11,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:10:11,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:10:11,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457756e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11, skipping insertion in model container [2025-04-29 11:10:11,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:10:11,817 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:11,823 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:10:11,849 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:11,863 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:10:11,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11 WrapperNode [2025-04-29 11:10:11,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:11,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:11,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:10:11,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:10:11,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,889 INFO L138 Inliner]: procedures = 15, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2025-04-29 11:10:11,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:11,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:10:11,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:10:11,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:10:11,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,901 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:10:11,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:10:11,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:10:11,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:10:11,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (1/1) ... [2025-04-29 11:10:11,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:11,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:10:11,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 11:10:11,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 11:10:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:10:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-29 11:10:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:10:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-29 11:10:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:10:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:10:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-29 11:10:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-29 11:10:11,973 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-29 11:10:12,036 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:10:12,038 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:10:12,204 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:10:12,204 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:10:12,248 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:10:12,249 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:10:12,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:12 BoogieIcfgContainer [2025-04-29 11:10:12,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:10:12,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:10:12,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:10:12,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:10:12,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:10:11" (1/3) ... [2025-04-29 11:10:12,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e531000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:12, skipping insertion in model container [2025-04-29 11:10:12,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:11" (2/3) ... [2025-04-29 11:10:12,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e531000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:12, skipping insertion in model container [2025-04-29 11:10:12,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:12" (3/3) ... [2025-04-29 11:10:12,259 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.c [2025-04-29 11:10:12,268 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:10:12,269 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.c that has 2 procedures, 86 locations, 86 edges, 1 initial locations, 0 loop locations, and 3 error locations. [2025-04-29 11:10:12,270 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:10:12,314 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-29 11:10:12,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 87 transitions, 178 flow [2025-04-29 11:10:12,389 INFO L116 PetriNetUnfolderBase]: 2/86 cut-off events. [2025-04-29 11:10:12,391 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:10:12,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 97 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2025-04-29 11:10:12,394 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 87 transitions, 178 flow [2025-04-29 11:10:12,397 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 86 transitions, 175 flow [2025-04-29 11:10:12,403 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:10:12,413 INFO L340 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;@45ec4c93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:10:12,413 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-04-29 11:10:12,424 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:10:12,424 INFO L116 PetriNetUnfolderBase]: 0/45 cut-off events. [2025-04-29 11:10:12,424 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:10:12,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:12,425 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] [2025-04-29 11:10:12,426 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:12,431 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:12,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1292189748, now seen corresponding path program 1 times [2025-04-29 11:10:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:12,440 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619923695] [2025-04-29 11:10:12,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:12,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:12,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-29 11:10:12,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-29 11:10:12,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:12,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:12,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:12,574 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619923695] [2025-04-29 11:10:12,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619923695] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:12,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:12,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:12,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43383566] [2025-04-29 11:10:12,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:12,582 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:12,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:12,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:12,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:12,637 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 87 [2025-04-29 11:10:12,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 86 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2025-04-29 11:10:12,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:12,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 87 [2025-04-29 11:10:12,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:12,765 INFO L116 PetriNetUnfolderBase]: 92/406 cut-off events. [2025-04-29 11:10:12,765 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:10:12,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 406 events. 92/406 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2334 event pairs, 77 based on Foata normal form. 14/398 useless extension candidates. Maximal degree in co-relation 592. Up to 178 conditions per place. [2025-04-29 11:10:12,768 INFO L140 encePairwiseOnDemand]: 81/87 looper letters, 27 selfloop transitions, 4 changer transitions 0/93 dead transitions. [2025-04-29 11:10:12,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 93 transitions, 251 flow [2025-04-29 11:10:12,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2025-04-29 11:10:12,778 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8544061302681992 [2025-04-29 11:10:12,780 INFO L175 Difference]: Start difference. First operand has 88 places, 86 transitions, 175 flow. Second operand 3 states and 223 transitions. [2025-04-29 11:10:12,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 93 transitions, 251 flow [2025-04-29 11:10:12,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 93 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:10:12,788 INFO L231 Difference]: Finished difference. Result has 90 places, 87 transitions, 200 flow [2025-04-29 11:10:12,790 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=90, PETRI_TRANSITIONS=87} [2025-04-29 11:10:12,792 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 2 predicate places. [2025-04-29 11:10:12,792 INFO L485 AbstractCegarLoop]: Abstraction has has 90 places, 87 transitions, 200 flow [2025-04-29 11:10:12,793 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2025-04-29 11:10:12,793 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:12,793 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] [2025-04-29 11:10:12,793 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:10:12,793 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:12,794 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:12,794 INFO L85 PathProgramCache]: Analyzing trace with hash 723150561, now seen corresponding path program 1 times [2025-04-29 11:10:12,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:12,794 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879353327] [2025-04-29 11:10:12,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:12,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-29 11:10:12,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-29 11:10:12,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:12,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:12,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:12,857 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879353327] [2025-04-29 11:10:12,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879353327] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:12,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:12,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:12,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358313954] [2025-04-29 11:10:12,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:12,858 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:12,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:12,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:12,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:12,869 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 87 [2025-04-29 11:10:12,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 87 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2025-04-29 11:10:12,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:12,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 87 [2025-04-29 11:10:12,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:12,985 INFO L116 PetriNetUnfolderBase]: 94/568 cut-off events. [2025-04-29 11:10:12,985 INFO L117 PetriNetUnfolderBase]: For 41/43 co-relation queries the response was YES. [2025-04-29 11:10:12,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 568 events. 94/568 cut-off events. For 41/43 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3533 event pairs, 65 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 830. Up to 167 conditions per place. [2025-04-29 11:10:12,991 INFO L140 encePairwiseOnDemand]: 82/87 looper letters, 24 selfloop transitions, 5 changer transitions 3/98 dead transitions. [2025-04-29 11:10:12,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 98 transitions, 290 flow [2025-04-29 11:10:12,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2025-04-29 11:10:12,993 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8697318007662835 [2025-04-29 11:10:12,993 INFO L175 Difference]: Start difference. First operand has 90 places, 87 transitions, 200 flow. Second operand 3 states and 227 transitions. [2025-04-29 11:10:12,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 98 transitions, 290 flow [2025-04-29 11:10:12,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 98 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:12,996 INFO L231 Difference]: Finished difference. Result has 92 places, 90 transitions, 228 flow [2025-04-29 11:10:12,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=92, PETRI_TRANSITIONS=90} [2025-04-29 11:10:12,996 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 4 predicate places. [2025-04-29 11:10:12,996 INFO L485 AbstractCegarLoop]: Abstraction has has 92 places, 90 transitions, 228 flow [2025-04-29 11:10:12,997 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2025-04-29 11:10:12,997 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:12,997 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] [2025-04-29 11:10:12,997 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:10:12,997 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:12,997 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:12,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1267016275, now seen corresponding path program 1 times [2025-04-29 11:10:12,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:12,998 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309389023] [2025-04-29 11:10:12,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:12,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:13,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-29 11:10:13,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-29 11:10:13,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:13,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:13,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:13,050 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309389023] [2025-04-29 11:10:13,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309389023] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:13,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:13,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:13,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050667551] [2025-04-29 11:10:13,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:13,051 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:13,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:13,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:13,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:13,065 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 87 [2025-04-29 11:10:13,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 90 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2025-04-29 11:10:13,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:13,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 87 [2025-04-29 11:10:13,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:13,148 INFO L116 PetriNetUnfolderBase]: 96/547 cut-off events. [2025-04-29 11:10:13,149 INFO L117 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2025-04-29 11:10:13,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 547 events. 96/547 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3492 event pairs, 75 based on Foata normal form. 0/523 useless extension candidates. Maximal degree in co-relation 878. Up to 195 conditions per place. [2025-04-29 11:10:13,151 INFO L140 encePairwiseOnDemand]: 82/87 looper letters, 28 selfloop transitions, 4 changer transitions 3/99 dead transitions. [2025-04-29 11:10:13,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 99 transitions, 320 flow [2025-04-29 11:10:13,152 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:13,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2025-04-29 11:10:13,155 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8467432950191571 [2025-04-29 11:10:13,155 INFO L175 Difference]: Start difference. First operand has 92 places, 90 transitions, 228 flow. Second operand 3 states and 221 transitions. [2025-04-29 11:10:13,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 99 transitions, 320 flow [2025-04-29 11:10:13,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 99 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:13,159 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 242 flow [2025-04-29 11:10:13,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2025-04-29 11:10:13,160 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 6 predicate places. [2025-04-29 11:10:13,160 INFO L485 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 242 flow [2025-04-29 11:10:13,161 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2025-04-29 11:10:13,161 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:13,161 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] [2025-04-29 11:10:13,161 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:10:13,161 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-29 11:10:13,162 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:13,162 INFO L85 PathProgramCache]: Analyzing trace with hash 643477131, now seen corresponding path program 1 times [2025-04-29 11:10:13,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:13,162 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650911272] [2025-04-29 11:10:13,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:13,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:13,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-29 11:10:13,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-29 11:10:13,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:13,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:13,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:13,442 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650911272] [2025-04-29 11:10:13,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650911272] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:13,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:13,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-29 11:10:13,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332401140] [2025-04-29 11:10:13,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:13,442 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-29 11:10:13,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:13,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-29 11:10:13,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-04-29 11:10:13,475 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 87 [2025-04-29 11:10:13,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 242 flow. Second operand has 8 states, 8 states have (on average 68.25) internal successors, (546), 8 states have internal predecessors, (546), 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) [2025-04-29 11:10:13,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:13,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 87 [2025-04-29 11:10:13,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:13,566 INFO L116 PetriNetUnfolderBase]: 39/295 cut-off events. [2025-04-29 11:10:13,566 INFO L117 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2025-04-29 11:10:13,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 295 events. 39/295 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1259 event pairs, 12 based on Foata normal form. 12/295 useless extension candidates. Maximal degree in co-relation 420. Up to 54 conditions per place. [2025-04-29 11:10:13,567 INFO L140 encePairwiseOnDemand]: 78/87 looper letters, 0 selfloop transitions, 0 changer transitions 87/87 dead transitions. [2025-04-29 11:10:13,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 87 transitions, 252 flow [2025-04-29 11:10:13,568 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-29 11:10:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-04-29 11:10:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 430 transitions. [2025-04-29 11:10:13,573 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8237547892720306 [2025-04-29 11:10:13,573 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 242 flow. Second operand 6 states and 430 transitions. [2025-04-29 11:10:13,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 87 transitions, 252 flow [2025-04-29 11:10:13,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 87 transitions, 224 flow, removed 7 selfloop flow, removed 8 redundant places. [2025-04-29 11:10:13,574 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2025-04-29 11:10:13,574 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2025-04-29 11:10:13,575 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 0 predicate places. [2025-04-29 11:10:13,575 INFO L485 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2025-04-29 11:10:13,575 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 68.25) internal successors, (546), 8 states have internal predecessors, (546), 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) [2025-04-29 11:10:13,577 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-04-29 11:10:13,577 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-04-29 11:10:13,577 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-04-29 11:10:13,578 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-04-29 11:10:13,578 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-04-29 11:10:13,578 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-04-29 11:10:13,578 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:10:13,578 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-04-29 11:10:13,585 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:10:13,585 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:10:13,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:10:13 BasicIcfg [2025-04-29 11:10:13,588 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:10:13,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:10:13,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:10:13,588 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:10:13,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:12" (3/4) ... [2025-04-29 11:10:13,589 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:10:13,591 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-29 11:10:13,593 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-04-29 11:10:13,593 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:10:13,593 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:10:13,643 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:10:13,644 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:10:13,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:10:13,645 INFO L158 Benchmark]: Toolchain (without parser) took 1996.81ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 108.2MB in the end (delta: 14.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2025-04-29 11:10:13,645 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:13,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.68ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 108.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 11:10:13,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.31ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 107.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:13,647 INFO L158 Benchmark]: Boogie Preprocessor took 21.27ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 106.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:13,647 INFO L158 Benchmark]: RCFGBuilder took 337.77ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 89.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 11:10:13,647 INFO L158 Benchmark]: TraceAbstraction took 1335.41ms. Allocated memory is still 167.8MB. Free memory was 89.8MB in the beginning and 113.5MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:13,647 INFO L158 Benchmark]: Witness Printer took 55.68ms. Allocated memory is still 167.8MB. Free memory was 113.5MB in the beginning and 108.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:10:13,648 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.68ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 108.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.31ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 107.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.27ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 106.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.77ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 89.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1335.41ms. Allocated memory is still 167.8MB. Free memory was 89.8MB in the beginning and 113.5MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.68ms. Allocated memory is still 167.8MB. Free memory was 113.5MB in the beginning and 108.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 26]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 29]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 locations, 119 edges, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 242 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 16 mSDtfsCounter, 242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 411 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:10:13,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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