./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc 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/goblint-regression/04-mutex_46-escape_nr.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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:20:24,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:20:24,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:20:24,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:20:24,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:20:24,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:20:24,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:20:24,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:20:24,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:20:24,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:20:24,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:20:24,349 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:20:24,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:20:24,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:20:24,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:20:24,350 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 -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2025-02-06 09:20:24,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:20:24,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:20:24,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:20:24,629 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:20:24,629 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:20:24,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2025-02-06 09:20:25,820 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/628af7072/9628f4b7f18d4b43bbce3bd920afeebc/FLAG7dfcfae3d [2025-02-06 09:20:26,144 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:20:26,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2025-02-06 09:20:26,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/628af7072/9628f4b7f18d4b43bbce3bd920afeebc/FLAG7dfcfae3d [2025-02-06 09:20:26,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/628af7072/9628f4b7f18d4b43bbce3bd920afeebc [2025-02-06 09:20:26,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:20:26,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:20:26,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:20:26,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:20:26,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:20:26,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4097adf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26, skipping insertion in model container [2025-02-06 09:20:26,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:20:26,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:20:26,486 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:20:26,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:20:26,593 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:20:26,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26 WrapperNode [2025-02-06 09:20:26,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:20:26,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:20:26,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:20:26,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:20:26,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,635 INFO L138 Inliner]: procedures = 264, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 121 [2025-02-06 09:20:26,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:20:26,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:20:26,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:20:26,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:20:26,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:20:26,680 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:20:26,684 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:20:26,685 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:20:26,686 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (1/1) ... [2025-02-06 09:20:26,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:20:26,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:20:26,737 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) [2025-02-06 09:20:26,747 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 [2025-02-06 09:20:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:20:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-06 09:20:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:20:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:20:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:20:26,781 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:20:26,993 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:20:26,995 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:20:27,266 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L930: havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-06 09:20:27,267 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: SUMMARY for call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset); srcloc: null [2025-02-06 09:20:27,295 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:20:27,295 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:20:27,309 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:20:27,309 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:20:27,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:20:27 BoogieIcfgContainer [2025-02-06 09:20:27,310 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:20:27,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:20:27,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:20:27,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:20:27,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:20:26" (1/3) ... [2025-02-06 09:20:27,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f093ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:20:27, skipping insertion in model container [2025-02-06 09:20:27,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:20:26" (2/3) ... [2025-02-06 09:20:27,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f093ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:20:27, skipping insertion in model container [2025-02-06 09:20:27,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:20:27" (3/3) ... [2025-02-06 09:20:27,316 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2025-02-06 09:20:27,325 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:20:27,327 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_46-escape_nr.i that has 2 procedures, 152 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-02-06 09:20:27,327 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:20:27,365 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 09:20:27,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 155 places, 152 transitions, 311 flow [2025-02-06 09:20:27,428 INFO L124 PetriNetUnfolderBase]: 1/151 cut-off events. [2025-02-06 09:20:27,430 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:20:27,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 151 events. 1/151 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 3. Up to 2 conditions per place. [2025-02-06 09:20:27,433 INFO L82 GeneralOperation]: Start removeDead. Operand has 155 places, 152 transitions, 311 flow [2025-02-06 09:20:27,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 139 transitions, 281 flow [2025-02-06 09:20:27,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:20:27,448 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;@5a52f63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:20:27,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-06 09:20:27,486 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:20:27,486 INFO L124 PetriNetUnfolderBase]: 0/80 cut-off events. [2025-02-06 09:20:27,486 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:20:27,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:20:27,487 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:20:27,487 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-02-06 09:20:27,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:20:27,491 INFO L85 PathProgramCache]: Analyzing trace with hash 406456465, now seen corresponding path program 1 times [2025-02-06 09:20:27,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:20:27,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921266677] [2025-02-06 09:20:27,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:20:27,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:20:27,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 09:20:27,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 09:20:27,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:20:27,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:20:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:20:28,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:20:28,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921266677] [2025-02-06 09:20:28,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921266677] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:20:28,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:20:28,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:20:28,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309652514] [2025-02-06 09:20:28,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:20:28,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:20:28,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:20:28,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:20:28,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:20:28,486 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 152 [2025-02-06 09:20:28,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 139 transitions, 281 flow. Second operand has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 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) [2025-02-06 09:20:28,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:20:28,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 152 [2025-02-06 09:20:28,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:20:28,634 INFO L124 PetriNetUnfolderBase]: 96/433 cut-off events. [2025-02-06 09:20:28,635 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:20:28,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 433 events. 96/433 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1824 event pairs, 34 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 563. Up to 165 conditions per place. [2025-02-06 09:20:28,638 INFO L140 encePairwiseOnDemand]: 136/152 looper letters, 32 selfloop transitions, 23 changer transitions 0/166 dead transitions. [2025-02-06 09:20:28,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 166 transitions, 445 flow [2025-02-06 09:20:28,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:20:28,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:20:28,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 777 transitions. [2025-02-06 09:20:28,648 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8519736842105263 [2025-02-06 09:20:28,649 INFO L175 Difference]: Start difference. First operand has 143 places, 139 transitions, 281 flow. Second operand 6 states and 777 transitions. [2025-02-06 09:20:28,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 166 transitions, 445 flow [2025-02-06 09:20:28,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 166 transitions, 444 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:20:28,656 INFO L231 Difference]: Finished difference. Result has 151 places, 157 transitions, 430 flow [2025-02-06 09:20:28,657 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=151, PETRI_TRANSITIONS=157} [2025-02-06 09:20:28,659 INFO L279 CegarLoopForPetriNet]: 143 programPoint places, 8 predicate places. [2025-02-06 09:20:28,659 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 157 transitions, 430 flow [2025-02-06 09:20:28,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 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) [2025-02-06 09:20:28,660 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:20:28,660 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:20:28,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:20:28,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-02-06 09:20:28,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:20:28,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1685941285, now seen corresponding path program 1 times [2025-02-06 09:20:28,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:20:28,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931408047] [2025-02-06 09:20:28,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:20:28,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:20:28,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 09:20:28,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 09:20:28,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:20:28,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:20:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:20:29,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:20:29,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931408047] [2025-02-06 09:20:29,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931408047] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:20:29,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:20:29,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:20:29,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936011310] [2025-02-06 09:20:29,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:20:29,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:20:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:20:29,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:20:29,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:20:29,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 152 [2025-02-06 09:20:29,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 157 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 131.33333333333334) internal successors, (788), 6 states have internal predecessors, (788), 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) [2025-02-06 09:20:29,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:20:29,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 152 [2025-02-06 09:20:29,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:20:29,475 INFO L124 PetriNetUnfolderBase]: 129/560 cut-off events. [2025-02-06 09:20:29,476 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2025-02-06 09:20:29,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1020 conditions, 560 events. 129/560 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2710 event pairs, 44 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 916. Up to 218 conditions per place. [2025-02-06 09:20:29,479 INFO L140 encePairwiseOnDemand]: 141/152 looper letters, 41 selfloop transitions, 23 changer transitions 0/186 dead transitions. [2025-02-06 09:20:29,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 186 transitions, 634 flow [2025-02-06 09:20:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:20:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:20:29,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 831 transitions. [2025-02-06 09:20:29,480 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9111842105263158 [2025-02-06 09:20:29,480 INFO L175 Difference]: Start difference. First operand has 151 places, 157 transitions, 430 flow. Second operand 6 states and 831 transitions. [2025-02-06 09:20:29,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 186 transitions, 634 flow [2025-02-06 09:20:29,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 186 transitions, 634 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:20:29,485 INFO L231 Difference]: Finished difference. Result has 161 places, 178 transitions, 602 flow [2025-02-06 09:20:29,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=602, PETRI_PLACES=161, PETRI_TRANSITIONS=178} [2025-02-06 09:20:29,485 INFO L279 CegarLoopForPetriNet]: 143 programPoint places, 18 predicate places. [2025-02-06 09:20:29,485 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 178 transitions, 602 flow [2025-02-06 09:20:29,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.33333333333334) internal successors, (788), 6 states have internal predecessors, (788), 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) [2025-02-06 09:20:29,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:20:29,486 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:20:29,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:20:29,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-02-06 09:20:29,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:20:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1023519063, now seen corresponding path program 1 times [2025-02-06 09:20:29,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:20:29,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895740261] [2025-02-06 09:20:29,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:20:29,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:20:29,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 09:20:29,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 09:20:29,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:20:29,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:20:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:20:30,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:20:30,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895740261] [2025-02-06 09:20:30,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895740261] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:20:30,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:20:30,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:20:30,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608470171] [2025-02-06 09:20:30,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:20:30,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:20:30,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:20:30,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:20:30,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:20:30,149 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 152 [2025-02-06 09:20:30,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 178 transitions, 602 flow. Second operand has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 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) [2025-02-06 09:20:30,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:20:30,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 152 [2025-02-06 09:20:30,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:20:30,321 INFO L124 PetriNetUnfolderBase]: 267/930 cut-off events. [2025-02-06 09:20:30,321 INFO L125 PetriNetUnfolderBase]: For 475/492 co-relation queries the response was YES. [2025-02-06 09:20:30,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2174 conditions, 930 events. 267/930 cut-off events. For 475/492 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5185 event pairs, 87 based on Foata normal form. 2/887 useless extension candidates. Maximal degree in co-relation 2061. Up to 480 conditions per place. [2025-02-06 09:20:30,327 INFO L140 encePairwiseOnDemand]: 137/152 looper letters, 71 selfloop transitions, 50 changer transitions 4/233 dead transitions. [2025-02-06 09:20:30,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 233 transitions, 1088 flow [2025-02-06 09:20:30,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:20:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:20:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 797 transitions. [2025-02-06 09:20:30,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8739035087719298 [2025-02-06 09:20:30,329 INFO L175 Difference]: Start difference. First operand has 161 places, 178 transitions, 602 flow. Second operand 6 states and 797 transitions. [2025-02-06 09:20:30,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 233 transitions, 1088 flow [2025-02-06 09:20:30,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 233 transitions, 1088 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:20:30,337 INFO L231 Difference]: Finished difference. Result has 171 places, 225 transitions, 1064 flow [2025-02-06 09:20:30,337 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1064, PETRI_PLACES=171, PETRI_TRANSITIONS=225} [2025-02-06 09:20:30,339 INFO L279 CegarLoopForPetriNet]: 143 programPoint places, 28 predicate places. [2025-02-06 09:20:30,339 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 225 transitions, 1064 flow [2025-02-06 09:20:30,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 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) [2025-02-06 09:20:30,340 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:20:30,340 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:20:30,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:20:30,340 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-02-06 09:20:30,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:20:30,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1413553897, now seen corresponding path program 1 times [2025-02-06 09:20:30,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:20:30,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364213064] [2025-02-06 09:20:30,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:20:30,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:20:30,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 09:20:30,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 09:20:30,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:20:30,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:20:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:20:30,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:20:30,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364213064] [2025-02-06 09:20:30,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364213064] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:20:30,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:20:30,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:20:30,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817684408] [2025-02-06 09:20:30,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:20:30,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:20:30,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:20:30,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:20:30,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:20:30,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 152 [2025-02-06 09:20:30,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 225 transitions, 1064 flow. Second operand has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 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) [2025-02-06 09:20:30,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:20:30,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 152 [2025-02-06 09:20:30,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:20:31,029 INFO L124 PetriNetUnfolderBase]: 355/1158 cut-off events. [2025-02-06 09:20:31,030 INFO L125 PetriNetUnfolderBase]: For 1402/1426 co-relation queries the response was YES. [2025-02-06 09:20:31,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3342 conditions, 1158 events. 355/1158 cut-off events. For 1402/1426 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6937 event pairs, 84 based on Foata normal form. 2/1128 useless extension candidates. Maximal degree in co-relation 3221. Up to 597 conditions per place. [2025-02-06 09:20:31,038 INFO L140 encePairwiseOnDemand]: 137/152 looper letters, 106 selfloop transitions, 64 changer transitions 8/286 dead transitions. [2025-02-06 09:20:31,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 286 transitions, 1774 flow [2025-02-06 09:20:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:20:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:20:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 769 transitions. [2025-02-06 09:20:31,040 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8432017543859649 [2025-02-06 09:20:31,040 INFO L175 Difference]: Start difference. First operand has 171 places, 225 transitions, 1064 flow. Second operand 6 states and 769 transitions. [2025-02-06 09:20:31,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 286 transitions, 1774 flow [2025-02-06 09:20:31,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 286 transitions, 1718 flow, removed 28 selfloop flow, removed 0 redundant places. [2025-02-06 09:20:31,054 INFO L231 Difference]: Finished difference. Result has 181 places, 274 transitions, 1630 flow [2025-02-06 09:20:31,054 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1014, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1630, PETRI_PLACES=181, PETRI_TRANSITIONS=274} [2025-02-06 09:20:31,055 INFO L279 CegarLoopForPetriNet]: 143 programPoint places, 38 predicate places. [2025-02-06 09:20:31,055 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 274 transitions, 1630 flow [2025-02-06 09:20:31,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 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) [2025-02-06 09:20:31,056 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:20:31,056 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:20:31,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:20:31,056 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-02-06 09:20:31,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:20:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2043319618, now seen corresponding path program 1 times [2025-02-06 09:20:31,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:20:31,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519455069] [2025-02-06 09:20:31,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:20:31,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:20:31,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 09:20:31,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 09:20:31,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:20:31,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:20:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:20:31,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:20:31,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519455069] [2025-02-06 09:20:31,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519455069] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:20:31,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:20:31,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:20:31,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679421723] [2025-02-06 09:20:31,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:20:31,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:20:31,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:20:31,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:20:31,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:20:31,198 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 152 [2025-02-06 09:20:31,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 274 transitions, 1630 flow. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2025-02-06 09:20:31,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:20:31,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 152 [2025-02-06 09:20:31,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:20:31,227 INFO L124 PetriNetUnfolderBase]: 0/160 cut-off events. [2025-02-06 09:20:31,227 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2025-02-06 09:20:31,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 160 events. 0/160 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 2/162 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2025-02-06 09:20:31,227 INFO L140 encePairwiseOnDemand]: 148/152 looper letters, 0 selfloop transitions, 0 changer transitions 135/135 dead transitions. [2025-02-06 09:20:31,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 135 transitions, 438 flow [2025-02-06 09:20:31,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:20:31,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:20:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2025-02-06 09:20:31,229 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9714912280701754 [2025-02-06 09:20:31,229 INFO L175 Difference]: Start difference. First operand has 181 places, 274 transitions, 1630 flow. Second operand 3 states and 443 transitions. [2025-02-06 09:20:31,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 135 transitions, 438 flow [2025-02-06 09:20:31,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 135 transitions, 297 flow, removed 29 selfloop flow, removed 37 redundant places. [2025-02-06 09:20:31,232 INFO L231 Difference]: Finished difference. Result has 142 places, 0 transitions, 0 flow [2025-02-06 09:20:31,232 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=142, PETRI_TRANSITIONS=0} [2025-02-06 09:20:31,232 INFO L279 CegarLoopForPetriNet]: 143 programPoint places, -1 predicate places. [2025-02-06 09:20:31,232 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 0 transitions, 0 flow [2025-02-06 09:20:31,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2025-02-06 09:20:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2025-02-06 09:20:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2025-02-06 09:20:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2025-02-06 09:20:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2025-02-06 09:20:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2025-02-06 09:20:31,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2025-02-06 09:20:31,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2025-02-06 09:20:31,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2025-02-06 09:20:31,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:20:31,236 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-06 09:20:31,243 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:20:31,243 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:20:31,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:20:31 BasicIcfg [2025-02-06 09:20:31,251 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:20:31,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:20:31,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:20:31,251 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:20:31,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:20:27" (3/4) ... [2025-02-06 09:20:31,253 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:20:31,258 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-06 09:20:31,265 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-06 09:20:31,265 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:20:31,265 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:20:31,372 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:20:31,376 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:20:31,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:20:31,376 INFO L158 Benchmark]: Toolchain (without parser) took 5194.26ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 105.6MB in the beginning and 282.5MB in the end (delta: -176.9MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2025-02-06 09:20:31,377 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:20:31,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.82ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 77.8MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 09:20:31,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.62ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 75.3MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:20:31,377 INFO L158 Benchmark]: Boogie Preprocessor took 39.13ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:20:31,377 INFO L158 Benchmark]: IcfgBuilder took 629.60ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 55.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:20:31,377 INFO L158 Benchmark]: TraceAbstraction took 3939.56ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 54.4MB in the beginning and 288.0MB in the end (delta: -233.6MB). Peak memory consumption was 787.8kB. Max. memory is 16.1GB. [2025-02-06 09:20:31,378 INFO L158 Benchmark]: Witness Printer took 124.67ms. Allocated memory is still 377.5MB. Free memory was 288.0MB in the beginning and 282.5MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:20:31,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.82ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 77.8MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.62ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 75.3MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.13ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 629.60ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 55.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3939.56ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 54.4MB in the beginning and 288.0MB in the end (delta: -233.6MB). Peak memory consumption was 787.8kB. Max. memory is 16.1GB. * Witness Printer took 124.67ms. Allocated memory is still 377.5MB. Free memory was 288.0MB in the beginning and 282.5MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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, 181 locations, 8 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: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 355 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 896 IncrementalHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 133 mSolverCounterUnsat, 6 mSDtfsCounter, 896 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1630occurred in iteration=4, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 494 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 489 ConstructedInterpolants, 0 QuantifiedInterpolants, 849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2025-02-06 09:20:31,405 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