./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/bigshot_s2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:01:55,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:01:55,900 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:01:55,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:01:55,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:01:55,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:01:55,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:01:55,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:01:55,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:01:55,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:01:55,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:01:55,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:01:55,937 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:01:55,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:01:55,938 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:01:55,939 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:01:55,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:01:55,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:01:55,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:01:55,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:01:55,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:01:55,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:01:55,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:01:55,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:01:55,940 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2025-01-09 21:01:56,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:01:56,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:01:56,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:01:56,154 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:01:56,154 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:01:56,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s2.i [2025-01-09 21:01:57,294 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b9bb0e4c/fcab0d32c6174e98a22d23aff798b6ee/FLAG6e95ef9a2 [2025-01-09 21:01:57,603 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:01:57,605 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s2.i [2025-01-09 21:01:57,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b9bb0e4c/fcab0d32c6174e98a22d23aff798b6ee/FLAG6e95ef9a2 [2025-01-09 21:01:57,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b9bb0e4c/fcab0d32c6174e98a22d23aff798b6ee [2025-01-09 21:01:57,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:01:57,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:01:57,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:01:57,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:01:57,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:01:57,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:01:57" (1/1) ... [2025-01-09 21:01:57,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525c0bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:57, skipping insertion in model container [2025-01-09 21:01:57,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:01:57" (1/1) ... [2025-01-09 21:01:57,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:01:57,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:01:57,987 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:01:58,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:01:58,057 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:01:58,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58 WrapperNode [2025-01-09 21:01:58,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:01:58,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:01:58,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:01:58,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:01:58,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,085 INFO L138 Inliner]: procedures = 322, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2025-01-09 21:01:58,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:01:58,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:01:58,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:01:58,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:01:58,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:01:58,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:01:58,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:01:58,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:01:58,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (1/1) ... [2025-01-09 21:01:58,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:01:58,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:01:58,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:01:58,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:01:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-09 21:01:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:01:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:01:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:01:58,154 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:01:58,245 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:01:58,247 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:01:58,395 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:01:58,395 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:01:58,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:01:58,403 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 21:01:58,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:01:58 BoogieIcfgContainer [2025-01-09 21:01:58,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:01:58,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:01:58,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:01:58,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:01:58,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:01:57" (1/3) ... [2025-01-09 21:01:58,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df1602c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:01:58, skipping insertion in model container [2025-01-09 21:01:58,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:01:58" (2/3) ... [2025-01-09 21:01:58,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df1602c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:01:58, skipping insertion in model container [2025-01-09 21:01:58,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:01:58" (3/3) ... [2025-01-09 21:01:58,412 INFO L128 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2025-01-09 21:01:58,423 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:01:58,426 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bigshot_s2.i that has 3 procedures, 93 locations, 1 initial locations, 1 loop locations, and 5 error locations. [2025-01-09 21:01:58,427 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:01:58,484 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:01:58,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 97 transitions, 208 flow [2025-01-09 21:01:58,558 INFO L124 PetriNetUnfolderBase]: 5/95 cut-off events. [2025-01-09 21:01:58,560 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:01:58,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 95 events. 5/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2025-01-09 21:01:58,563 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 97 transitions, 208 flow [2025-01-09 21:01:58,566 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 76 transitions, 164 flow [2025-01-09 21:01:58,573 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:01:58,583 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4177e1bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:01:58,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-01-09 21:01:58,591 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:01:58,591 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2025-01-09 21:01:58,591 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:01:58,591 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:01:58,592 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:01:58,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-01-09 21:01:58,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:01:58,598 INFO L85 PathProgramCache]: Analyzing trace with hash 975232198, now seen corresponding path program 1 times [2025-01-09 21:01:58,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:01:58,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752516297] [2025-01-09 21:01:58,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:01:58,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:01:58,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 21:01:58,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 21:01:58,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:01:58,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:01:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:01:58,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:01:58,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752516297] [2025-01-09 21:01:58,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752516297] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:01:58,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:01:58,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:01:58,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348803812] [2025-01-09 21:01:58,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:01:58,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:01:58,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:01:58,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:01:58,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:01:58,799 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 97 [2025-01-09 21:01:58,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:58,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:01:58,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 97 [2025-01-09 21:01:58,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:01:58,834 INFO L124 PetriNetUnfolderBase]: 2/74 cut-off events. [2025-01-09 21:01:58,834 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-01-09 21:01:58,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 74 events. 2/74 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 45. Up to 10 conditions per place. [2025-01-09 21:01:58,837 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 9 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2025-01-09 21:01:58,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 182 flow [2025-01-09 21:01:58,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:01:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:01:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2025-01-09 21:01:58,847 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8797250859106529 [2025-01-09 21:01:58,848 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 164 flow. Second operand 3 states and 256 transitions. [2025-01-09 21:01:58,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 182 flow [2025-01-09 21:01:58,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 74 transitions, 174 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-09 21:01:58,853 INFO L231 Difference]: Finished difference. Result has 77 places, 74 transitions, 156 flow [2025-01-09 21:01:58,854 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2025-01-09 21:01:58,856 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -3 predicate places. [2025-01-09 21:01:58,856 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 156 flow [2025-01-09 21:01:58,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:58,857 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:01:58,857 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] [2025-01-09 21:01:58,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:01:58,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-01-09 21:01:58,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:01:58,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1566901280, now seen corresponding path program 1 times [2025-01-09 21:01:58,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:01:58,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119924113] [2025-01-09 21:01:58,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:01:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:01:58,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:01:58,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:01:58,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:01:58,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:01:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:01:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:01:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119924113] [2025-01-09 21:01:58,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119924113] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:01:58,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:01:58,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:01:58,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081975191] [2025-01-09 21:01:58,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:01:58,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:01:58,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:01:58,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:01:58,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:01:58,957 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 97 [2025-01-09 21:01:58,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:58,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:01:58,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 97 [2025-01-09 21:01:58,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:01:58,983 INFO L124 PetriNetUnfolderBase]: 2/71 cut-off events. [2025-01-09 21:01:58,983 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-01-09 21:01:58,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 71 events. 2/71 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 49. Up to 7 conditions per place. [2025-01-09 21:01:58,984 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 10 selfloop transitions, 1 changer transitions 0/71 dead transitions. [2025-01-09 21:01:58,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 71 transitions, 172 flow [2025-01-09 21:01:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:01:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:01:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2025-01-09 21:01:58,985 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8625429553264605 [2025-01-09 21:01:58,985 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 156 flow. Second operand 3 states and 251 transitions. [2025-01-09 21:01:58,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 71 transitions, 172 flow [2025-01-09 21:01:58,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 71 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:01:58,987 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 148 flow [2025-01-09 21:01:58,987 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2025-01-09 21:01:58,987 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -6 predicate places. [2025-01-09 21:01:58,987 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 148 flow [2025-01-09 21:01:58,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:58,988 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:01:58,988 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:01:58,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:01:58,988 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-01-09 21:01:58,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:01:58,989 INFO L85 PathProgramCache]: Analyzing trace with hash -968331963, now seen corresponding path program 1 times [2025-01-09 21:01:58,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:01:58,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037436120] [2025-01-09 21:01:58,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:01:58,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:01:59,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-09 21:01:59,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-09 21:01:59,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:01:59,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:01:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:01:59,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:01:59,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037436120] [2025-01-09 21:01:59,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037436120] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:01:59,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:01:59,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 21:01:59,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427977951] [2025-01-09 21:01:59,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:01:59,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 21:01:59,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:01:59,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 21:01:59,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 21:01:59,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 97 [2025-01-09 21:01:59,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:59,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:01:59,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 97 [2025-01-09 21:01:59,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:01:59,193 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2025-01-09 21:01:59,194 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:01:59,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 70 events. 1/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 28. Up to 4 conditions per place. [2025-01-09 21:01:59,194 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 5 selfloop transitions, 3 changer transitions 0/70 dead transitions. [2025-01-09 21:01:59,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 70 transitions, 162 flow [2025-01-09 21:01:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:01:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-09 21:01:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 429 transitions. [2025-01-09 21:01:59,196 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8845360824742268 [2025-01-09 21:01:59,196 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 148 flow. Second operand 5 states and 429 transitions. [2025-01-09 21:01:59,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 70 transitions, 162 flow [2025-01-09 21:01:59,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 70 transitions, 161 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:01:59,197 INFO L231 Difference]: Finished difference. Result has 77 places, 70 transitions, 151 flow [2025-01-09 21:01:59,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=77, PETRI_TRANSITIONS=70} [2025-01-09 21:01:59,198 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -3 predicate places. [2025-01-09 21:01:59,198 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 70 transitions, 151 flow [2025-01-09 21:01:59,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:59,198 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:01:59,198 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:01:59,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:01:59,198 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-01-09 21:01:59,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:01:59,199 INFO L85 PathProgramCache]: Analyzing trace with hash 38318670, now seen corresponding path program 1 times [2025-01-09 21:01:59,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:01:59,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844586683] [2025-01-09 21:01:59,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:01:59,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:01:59,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 21:01:59,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 21:01:59,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:01:59,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:01:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:01:59,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:01:59,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844586683] [2025-01-09 21:01:59,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844586683] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:01:59,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:01:59,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:01:59,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275010800] [2025-01-09 21:01:59,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:01:59,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:01:59,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:01:59,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:01:59,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:01:59,288 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 97 [2025-01-09 21:01:59,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 70 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:59,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:01:59,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 97 [2025-01-09 21:01:59,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:01:59,300 INFO L124 PetriNetUnfolderBase]: 1/69 cut-off events. [2025-01-09 21:01:59,300 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:01:59,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 69 events. 1/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 44. Up to 7 conditions per place. [2025-01-09 21:01:59,300 INFO L140 encePairwiseOnDemand]: 95/97 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2025-01-09 21:01:59,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 69 transitions, 163 flow [2025-01-09 21:01:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:01:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:01:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2025-01-09 21:01:59,301 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8934707903780069 [2025-01-09 21:01:59,301 INFO L175 Difference]: Start difference. First operand has 77 places, 70 transitions, 151 flow. Second operand 3 states and 260 transitions. [2025-01-09 21:01:59,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 69 transitions, 163 flow [2025-01-09 21:01:59,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 69 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-09 21:01:59,302 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2025-01-09 21:01:59,302 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2025-01-09 21:01:59,303 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -5 predicate places. [2025-01-09 21:01:59,303 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2025-01-09 21:01:59,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:01:59,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2025-01-09 21:01:59,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2025-01-09 21:01:59,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:01:59,305 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-09 21:01:59,309 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:01:59,309 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:01:59,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:01:59 BasicIcfg [2025-01-09 21:01:59,312 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:01:59,313 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:01:59,313 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:01:59,313 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:01:59,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:01:58" (3/4) ... [2025-01-09 21:01:59,314 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:01:59,316 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:01:59,316 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-09 21:01:59,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-01-09 21:01:59,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-09 21:01:59,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 21:01:59,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:01:59,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:01:59,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:01:59,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:01:59,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:01:59,362 INFO L158 Benchmark]: Toolchain (without parser) took 1718.85ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 59.4MB in the end (delta: 63.2MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2025-01-09 21:01:59,362 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:01:59,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.88ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 90.2MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 21:01:59,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.36ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 88.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:01:59,362 INFO L158 Benchmark]: Boogie Preprocessor took 23.96ms. Allocated memory is still 167.8MB. Free memory was 88.3MB in the beginning and 86.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:01:59,363 INFO L158 Benchmark]: RCFGBuilder took 293.33ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 72.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:01:59,363 INFO L158 Benchmark]: TraceAbstraction took 907.17ms. Allocated memory is still 167.8MB. Free memory was 72.1MB in the beginning and 65.3MB in the end (delta: 6.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2025-01-09 21:01:59,363 INFO L158 Benchmark]: Witness Printer took 48.63ms. Allocated memory is still 167.8MB. Free memory was 65.3MB in the beginning and 59.4MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:01:59,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.88ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 90.2MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.36ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 88.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.96ms. Allocated memory is still 167.8MB. Free memory was 88.3MB in the beginning and 86.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.33ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 72.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 907.17ms. Allocated memory is still 167.8MB. Free memory was 72.1MB in the beginning and 65.3MB in the end (delta: 6.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 48.63ms. Allocated memory is still 167.8MB. Free memory was 65.3MB in the beginning and 59.4MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: 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 5 procedures, 130 locations, 10 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: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 5 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 0.3s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:01:59,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE