./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.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/05-lval_ls_04-fld_nr.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 a034633d2a371e50ef1e28d1234a68ee65b35dbb99f6271d51e493b5d0f466f0 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:08:14,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:08:14,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:08:14,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:08:14,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:08:14,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:08:14,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:08:14,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:08:14,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:08:14,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:08:14,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:08:14,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:08:14,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:08:14,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:08:14,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:08:14,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:08:14,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:08:14,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:08:14,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:08:14,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:08:14,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:08:14,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:08:14,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:08:14,175 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 -> a034633d2a371e50ef1e28d1234a68ee65b35dbb99f6271d51e493b5d0f466f0 [2025-04-29 11:08:14,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:08:14,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:08:14,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:08:14,437 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:08:14,437 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:08:14,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.c [2025-04-29 11:08:15,775 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde802061/4b8d80a3e28f43c3b768a77978663958/FLAGf97320979 [2025-04-29 11:08:15,970 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:08:15,970 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.c [2025-04-29 11:08:15,971 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:08:15,976 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde802061/4b8d80a3e28f43c3b768a77978663958/FLAGf97320979 [2025-04-29 11:08:16,826 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde802061/4b8d80a3e28f43c3b768a77978663958 [2025-04-29 11:08:16,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:08:16,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:08:16,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:08:16,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:08:16,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:08:16,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:08:16" (1/1) ... [2025-04-29 11:08:16,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4267e4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:16, skipping insertion in model container [2025-04-29 11:08:16,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:08:16" (1/1) ... [2025-04-29 11:08:16,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:08:16,989 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:08:16,995 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:08:17,014 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:08:17,029 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:08:17,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17 WrapperNode [2025-04-29 11:08:17,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:08:17,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:08:17,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:08:17,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:08:17,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,052 INFO L138 Inliner]: procedures = 11, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2025-04-29 11:08:17,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:08:17,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:08:17,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:08:17,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:08:17,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:08:17,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:08:17,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:08:17,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:08:17,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (1/1) ... [2025-04-29 11:08:17,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:08:17,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:08:17,101 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 11:08:17,106 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 11:08:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:08:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-29 11:08:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-29 11:08:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:08:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:08:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:08:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-29 11:08:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-29 11:08:17,119 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 11:08:17,184 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:08:17,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:08:17,280 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:08:17,280 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:08:17,298 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:08:17,298 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:08:17,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:08:17 BoogieIcfgContainer [2025-04-29 11:08:17,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:08:17,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:08:17,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:08:17,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:08:17,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:08:16" (1/3) ... [2025-04-29 11:08:17,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdcbc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:08:17, skipping insertion in model container [2025-04-29 11:08:17,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:17" (2/3) ... [2025-04-29 11:08:17,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdcbc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:08:17, skipping insertion in model container [2025-04-29 11:08:17,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:08:17" (3/3) ... [2025-04-29 11:08:17,305 INFO L128 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_04-fld_nr.c [2025-04-29 11:08:17,316 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:08:17,318 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 05-lval_ls_04-fld_nr.c that has 2 procedures, 57 locations, 55 edges, 1 initial locations, 0 loop locations, and 4 error locations. [2025-04-29 11:08:17,319 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:08:17,362 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-29 11:08:17,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 116 flow [2025-04-29 11:08:17,417 INFO L116 PetriNetUnfolderBase]: 0/55 cut-off events. [2025-04-29 11:08:17,421 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:08:17,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 55 events. 0/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-04-29 11:08:17,423 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 56 transitions, 116 flow [2025-04-29 11:08:17,426 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2025-04-29 11:08:17,431 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:08:17,439 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;@477dadd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:08:17,439 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-04-29 11:08:17,446 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:08:17,446 INFO L116 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-04-29 11:08:17,446 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:08:17,447 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:08:17,447 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] [2025-04-29 11:08:17,447 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-29 11:08:17,451 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:08:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1879806300, now seen corresponding path program 1 times [2025-04-29 11:08:17,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:08:17,457 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490264565] [2025-04-29 11:08:17,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:08:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:08:17,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-29 11:08:17,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-29 11:08:17,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:17,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:08:17,583 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 11:08:17,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:08:17,584 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490264565] [2025-04-29 11:08:17,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490264565] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:08:17,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:08:17,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:08:17,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432926290] [2025-04-29 11:08:17,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:08:17,595 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:08:17,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:08:17,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:08:17,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:08:17,659 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 56 [2025-04-29 11:08:17,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 11:08:17,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:08:17,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 56 [2025-04-29 11:08:17,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:08:17,737 INFO L116 PetriNetUnfolderBase]: 31/201 cut-off events. [2025-04-29 11:08:17,738 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:08:17,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 201 events. 31/201 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 867 event pairs, 13 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 263. Up to 44 conditions per place. [2025-04-29 11:08:17,742 INFO L140 encePairwiseOnDemand]: 48/56 looper letters, 17 selfloop transitions, 6 changer transitions 0/65 dead transitions. [2025-04-29 11:08:17,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 65 transitions, 179 flow [2025-04-29 11:08:17,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:08:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:08:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2025-04-29 11:08:17,756 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2025-04-29 11:08:17,757 INFO L175 Difference]: Start difference. First operand has 59 places, 55 transitions, 113 flow. Second operand 3 states and 154 transitions. [2025-04-29 11:08:17,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 65 transitions, 179 flow [2025-04-29 11:08:17,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 65 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:08:17,765 INFO L231 Difference]: Finished difference. Result has 62 places, 61 transitions, 164 flow [2025-04-29 11:08:17,768 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=62, PETRI_TRANSITIONS=61} [2025-04-29 11:08:17,771 INFO L279 CegarLoopForPetriNet]: 59 programPoint places, 3 predicate places. [2025-04-29 11:08:17,772 INFO L485 AbstractCegarLoop]: Abstraction has has 62 places, 61 transitions, 164 flow [2025-04-29 11:08:17,773 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 11:08:17,773 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:08:17,773 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] [2025-04-29 11:08:17,774 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:08:17,774 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-29 11:08:17,774 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:08:17,775 INFO L85 PathProgramCache]: Analyzing trace with hash -203850741, now seen corresponding path program 1 times [2025-04-29 11:08:17,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:08:17,775 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886871050] [2025-04-29 11:08:17,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:08:17,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:08:17,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-29 11:08:17,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-29 11:08:17,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:17,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:08:17,840 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 11:08:17,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:08:17,841 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886871050] [2025-04-29 11:08:17,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886871050] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:08:17,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:08:17,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:08:17,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116502423] [2025-04-29 11:08:17,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:08:17,842 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:08:17,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:08:17,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:08:17,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:08:17,865 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 56 [2025-04-29 11:08:17,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 61 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 11:08:17,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:08:17,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 56 [2025-04-29 11:08:17,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:08:17,931 INFO L116 PetriNetUnfolderBase]: 46/261 cut-off events. [2025-04-29 11:08:17,933 INFO L117 PetriNetUnfolderBase]: For 89/94 co-relation queries the response was YES. [2025-04-29 11:08:17,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 261 events. 46/261 cut-off events. For 89/94 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1301 event pairs, 21 based on Foata normal form. 3/246 useless extension candidates. Maximal degree in co-relation 442. Up to 86 conditions per place. [2025-04-29 11:08:17,935 INFO L140 encePairwiseOnDemand]: 50/56 looper letters, 16 selfloop transitions, 7 changer transitions 1/68 dead transitions. [2025-04-29 11:08:17,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 236 flow [2025-04-29 11:08:17,936 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:08:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:08:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 149 transitions. [2025-04-29 11:08:17,938 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8869047619047619 [2025-04-29 11:08:17,938 INFO L175 Difference]: Start difference. First operand has 62 places, 61 transitions, 164 flow. Second operand 3 states and 149 transitions. [2025-04-29 11:08:17,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 236 flow [2025-04-29 11:08:17,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 68 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:08:17,942 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 208 flow [2025-04-29 11:08:17,943 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=64, PETRI_TRANSITIONS=66} [2025-04-29 11:08:17,944 INFO L279 CegarLoopForPetriNet]: 59 programPoint places, 5 predicate places. [2025-04-29 11:08:17,944 INFO L485 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 208 flow [2025-04-29 11:08:17,944 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 11:08:17,944 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:08:17,944 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:08:17,944 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:08:17,945 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-29 11:08:17,945 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:08:17,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1187520275, now seen corresponding path program 1 times [2025-04-29 11:08:17,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:08:17,946 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299194589] [2025-04-29 11:08:17,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:08:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:08:17,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-29 11:08:17,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-29 11:08:17,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:17,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:08:17,991 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 11:08:17,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:08:17,992 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299194589] [2025-04-29 11:08:17,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299194589] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:08:17,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:08:17,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:08:17,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67023982] [2025-04-29 11:08:17,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:08:17,992 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:08:17,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:08:17,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:08:17,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:08:18,019 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 56 [2025-04-29 11:08:18,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 66 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 11:08:18,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:08:18,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 56 [2025-04-29 11:08:18,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:08:18,094 INFO L116 PetriNetUnfolderBase]: 65/328 cut-off events. [2025-04-29 11:08:18,094 INFO L117 PetriNetUnfolderBase]: For 202/210 co-relation queries the response was YES. [2025-04-29 11:08:18,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666 conditions, 328 events. 65/328 cut-off events. For 202/210 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1761 event pairs, 25 based on Foata normal form. 2/313 useless extension candidates. Maximal degree in co-relation 641. Up to 115 conditions per place. [2025-04-29 11:08:18,099 INFO L140 encePairwiseOnDemand]: 50/56 looper letters, 17 selfloop transitions, 7 changer transitions 7/73 dead transitions. [2025-04-29 11:08:18,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 73 transitions, 294 flow [2025-04-29 11:08:18,100 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:08:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:08:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2025-04-29 11:08:18,101 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8630952380952381 [2025-04-29 11:08:18,101 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 208 flow. Second operand 3 states and 145 transitions. [2025-04-29 11:08:18,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 73 transitions, 294 flow [2025-04-29 11:08:18,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 73 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:08:18,104 INFO L231 Difference]: Finished difference. Result has 66 places, 65 transitions, 226 flow [2025-04-29 11:08:18,104 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2025-04-29 11:08:18,105 INFO L279 CegarLoopForPetriNet]: 59 programPoint places, 7 predicate places. [2025-04-29 11:08:18,105 INFO L485 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 226 flow [2025-04-29 11:08:18,105 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 11:08:18,105 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:08:18,105 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:08:18,105 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:08:18,105 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-29 11:08:18,106 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:08:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1612696540, now seen corresponding path program 1 times [2025-04-29 11:08:18,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:08:18,106 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120212597] [2025-04-29 11:08:18,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:08:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:08:18,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-29 11:08:18,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-29 11:08:18,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:18,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:08:18,216 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 11:08:18,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:08:18,217 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120212597] [2025-04-29 11:08:18,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120212597] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:08:18,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:08:18,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 11:08:18,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167970527] [2025-04-29 11:08:18,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:08:18,218 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:08:18,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:08:18,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:08:18,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:08:18,233 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 56 [2025-04-29 11:08:18,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 11:08:18,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:08:18,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 56 [2025-04-29 11:08:18,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:08:18,254 INFO L116 PetriNetUnfolderBase]: 1/78 cut-off events. [2025-04-29 11:08:18,254 INFO L117 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-04-29 11:08:18,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 78 events. 1/78 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 1 based on Foata normal form. 2/80 useless extension candidates. Maximal degree in co-relation 106. Up to 8 conditions per place. [2025-04-29 11:08:18,254 INFO L140 encePairwiseOnDemand]: 52/56 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2025-04-29 11:08:18,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 51 transitions, 154 flow [2025-04-29 11:08:18,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:08:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:08:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2025-04-29 11:08:18,257 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9285714285714286 [2025-04-29 11:08:18,257 INFO L175 Difference]: Start difference. First operand has 66 places, 65 transitions, 226 flow. Second operand 3 states and 156 transitions. [2025-04-29 11:08:18,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 51 transitions, 154 flow [2025-04-29 11:08:18,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 51 transitions, 118 flow, removed 8 selfloop flow, removed 8 redundant places. [2025-04-29 11:08:18,259 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2025-04-29 11:08:18,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2025-04-29 11:08:18,260 INFO L279 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2025-04-29 11:08:18,261 INFO L485 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2025-04-29 11:08:18,261 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 11:08:18,263 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-04-29 11:08:18,263 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-04-29 11:08:18,263 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-04-29 11:08:18,263 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-04-29 11:08:18,263 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-04-29 11:08:18,264 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-04-29 11:08:18,264 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-04-29 11:08:18,264 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:08:18,264 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-04-29 11:08:18,270 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:08:18,270 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:08:18,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:08:18 BasicIcfg [2025-04-29 11:08:18,275 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:08:18,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:08:18,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:08:18,277 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:08:18,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:08:17" (3/4) ... [2025-04-29 11:08:18,288 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:08:18,290 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-29 11:08:18,293 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-04-29 11:08:18,293 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:08:18,293 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:08:18,342 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:08:18,343 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:08:18,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:08:18,343 INFO L158 Benchmark]: Toolchain (without parser) took 1514.74ms. Allocated memory is still 201.3MB. Free memory was 155.6MB in the beginning and 147.4MB in the end (delta: 8.3MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. [2025-04-29 11:08:18,344 INFO L158 Benchmark]: CDTParser took 4.95ms. Allocated memory is still 201.3MB. Free memory was 118.4MB in the beginning and 118.2MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:08:18,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.57ms. Allocated memory is still 201.3MB. Free memory was 155.6MB in the beginning and 141.9MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:08:18,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.43ms. Allocated memory is still 201.3MB. Free memory was 141.9MB in the beginning and 140.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:08:18,344 INFO L158 Benchmark]: Boogie Preprocessor took 20.33ms. Allocated memory is still 201.3MB. Free memory was 140.3MB in the beginning and 139.6MB in the end (delta: 746.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:08:18,344 INFO L158 Benchmark]: RCFGBuilder took 225.17ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 127.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:08:18,344 INFO L158 Benchmark]: TraceAbstraction took 975.71ms. Allocated memory is still 201.3MB. Free memory was 126.7MB in the beginning and 49.6MB in the end (delta: 77.1MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-04-29 11:08:18,345 INFO L158 Benchmark]: Witness Printer took 65.85ms. Allocated memory is still 201.3MB. Free memory was 49.6MB in the beginning and 147.4MB in the end (delta: -97.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2025-04-29 11:08:18,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.95ms. Allocated memory is still 201.3MB. Free memory was 118.4MB in the beginning and 118.2MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.57ms. Allocated memory is still 201.3MB. Free memory was 155.6MB in the beginning and 141.9MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.43ms. Allocated memory is still 201.3MB. Free memory was 141.9MB in the beginning and 140.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.33ms. Allocated memory is still 201.3MB. Free memory was 140.3MB in the beginning and 139.6MB in the end (delta: 746.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 225.17ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 127.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 975.71ms. Allocated memory is still 201.3MB. Free memory was 126.7MB in the beginning and 49.6MB in the end (delta: 77.1MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 65.85ms. Allocated memory is still 201.3MB. Free memory was 49.6MB in the beginning and 147.4MB in the end (delta: -97.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 31]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 19]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 19]: 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, 77 locations, 75 edges, 7 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 6 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=3, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:08:18,357 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