./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_3-join.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/ldv-races/race-1_3-join.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 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:16:55,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:16:55,327 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:16:55,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:16:55,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:16:55,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:16:55,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:16:55,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:16:55,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:16:55,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:16:55,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:16:55,347 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:16:55,348 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:55,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:55,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:16:55,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:16:55,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:16:55,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:16:55,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:16:55,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:16:55,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:16:55,349 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 -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 [2025-01-09 21:16:55,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:16:55,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:16:55,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:16:55,578 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:16:55,579 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:16:55,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_3-join.i [2025-01-09 21:16:56,748 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3ba4868ef/16a6b81ca72f4eacbeff5dc9fb6c8d92/FLAGf2208b4d0 [2025-01-09 21:16:57,083 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:16:57,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_3-join.i [2025-01-09 21:16:57,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3ba4868ef/16a6b81ca72f4eacbeff5dc9fb6c8d92/FLAGf2208b4d0 [2025-01-09 21:16:57,325 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3ba4868ef/16a6b81ca72f4eacbeff5dc9fb6c8d92 [2025-01-09 21:16:57,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:16:57,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:16:57,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:16:57,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:16:57,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:16:57,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65215ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57, skipping insertion in model container [2025-01-09 21:16:57,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:16:57,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:16:57,761 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:16:57,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:16:57,896 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:16:57,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57 WrapperNode [2025-01-09 21:16:57,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:16:57,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:16:57,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:16:57,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:16:57,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,938 INFO L138 Inliner]: procedures = 483, calls = 31, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 123 [2025-01-09 21:16:57,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:16:57,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:16:57,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:16:57,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:16:57,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,956 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:16:57,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:16:57,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:16:57,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:16:57,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (1/1) ... [2025-01-09 21:16:57,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:57,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:16:58,000 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 21:16:58,001 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 21:16:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-09 21:16:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:16:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-09 21:16:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:16:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:16:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 21:16:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:16:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:16:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:16:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:16:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:16:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:16:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:16:58,018 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 21:16:58,208 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:16:58,209 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:16:58,376 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:16:58,376 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:16:58,400 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:16:58,401 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:16:58,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:58 BoogieIcfgContainer [2025-01-09 21:16:58,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:16:58,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:16:58,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:16:58,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:16:58,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:16:57" (1/3) ... [2025-01-09 21:16:58,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431c5f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:16:58, skipping insertion in model container [2025-01-09 21:16:58,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:57" (2/3) ... [2025-01-09 21:16:58,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431c5f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:16:58, skipping insertion in model container [2025-01-09 21:16:58,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:58" (3/3) ... [2025-01-09 21:16:58,409 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2025-01-09 21:16:58,419 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:16:58,422 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_3-join.i that has 2 procedures, 134 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2025-01-09 21:16:58,423 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:16:58,468 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:16:58,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 141 transitions, 289 flow [2025-01-09 21:16:58,539 INFO L124 PetriNetUnfolderBase]: 7/160 cut-off events. [2025-01-09 21:16:58,544 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:16:58,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 160 events. 7/160 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 244 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2025-01-09 21:16:58,549 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 141 transitions, 289 flow [2025-01-09 21:16:58,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 123 transitions, 252 flow [2025-01-09 21:16:58,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:16:58,568 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;@43790552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:16:58,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-01-09 21:16:58,573 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:16:58,573 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-01-09 21:16:58,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:16:58,573 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:58,575 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] [2025-01-09 21:16:58,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:58,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:58,579 INFO L85 PathProgramCache]: Analyzing trace with hash 672642046, now seen corresponding path program 1 times [2025-01-09 21:16:58,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:58,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249312853] [2025-01-09 21:16:58,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:58,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-09 21:16:58,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-09 21:16:58,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:58,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:58,828 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 21:16:58,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:58,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249312853] [2025-01-09 21:16:58,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249312853] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:58,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:58,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:58,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548958832] [2025-01-09 21:16:58,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:58,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:58,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:58,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:58,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:58,911 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:16:58,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 123 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 21:16:58,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:58,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:16:58,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:58,965 INFO L124 PetriNetUnfolderBase]: 9/164 cut-off events. [2025-01-09 21:16:58,965 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:16:58,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 164 events. 9/164 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 379 event pairs, 9 based on Foata normal form. 4/147 useless extension candidates. Maximal degree in co-relation 89. Up to 38 conditions per place. [2025-01-09 21:16:58,968 INFO L140 encePairwiseOnDemand]: 131/141 looper letters, 16 selfloop transitions, 2 changer transitions 12/111 dead transitions. [2025-01-09 21:16:58,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 264 flow [2025-01-09 21:16:58,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2025-01-09 21:16:58,981 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2025-01-09 21:16:58,983 INFO L175 Difference]: Start difference. First operand has 122 places, 123 transitions, 252 flow. Second operand 3 states and 356 transitions. [2025-01-09 21:16:58,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 264 flow [2025-01-09 21:16:58,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:58,990 INFO L231 Difference]: Finished difference. Result has 114 places, 99 transitions, 204 flow [2025-01-09 21:16:58,992 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=114, PETRI_TRANSITIONS=99} [2025-01-09 21:16:58,995 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -8 predicate places. [2025-01-09 21:16:58,997 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 99 transitions, 204 flow [2025-01-09 21:16:58,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 21:16:58,997 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:58,997 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:16:58,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:16:58,998 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:58,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:58,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1637864458, now seen corresponding path program 1 times [2025-01-09 21:16:58,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:58,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60273517] [2025-01-09 21:16:58,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:58,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-09 21:16:59,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-09 21:16:59,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,079 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 21:16:59,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60273517] [2025-01-09 21:16:59,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60273517] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126290925] [2025-01-09 21:16:59,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,108 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:16:59,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 99 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 21:16:59,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:16:59,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,148 INFO L124 PetriNetUnfolderBase]: 6/140 cut-off events. [2025-01-09 21:16:59,148 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-01-09 21:16:59,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 140 events. 6/140 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 229 event pairs, 2 based on Foata normal form. 1/131 useless extension candidates. Maximal degree in co-relation 147. Up to 18 conditions per place. [2025-01-09 21:16:59,149 INFO L140 encePairwiseOnDemand]: 130/141 looper letters, 13 selfloop transitions, 7 changer transitions 3/102 dead transitions. [2025-01-09 21:16:59,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 102 transitions, 253 flow [2025-01-09 21:16:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2025-01-09 21:16:59,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8368794326241135 [2025-01-09 21:16:59,150 INFO L175 Difference]: Start difference. First operand has 114 places, 99 transitions, 204 flow. Second operand 3 states and 354 transitions. [2025-01-09 21:16:59,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 102 transitions, 253 flow [2025-01-09 21:16:59,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 102 transitions, 249 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:59,153 INFO L231 Difference]: Finished difference. Result has 100 places, 96 transitions, 221 flow [2025-01-09 21:16:59,154 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=221, PETRI_PLACES=100, PETRI_TRANSITIONS=96} [2025-01-09 21:16:59,154 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -22 predicate places. [2025-01-09 21:16:59,154 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 96 transitions, 221 flow [2025-01-09 21:16:59,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 21:16:59,155 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:59,155 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] [2025-01-09 21:16:59,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:16:59,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:59,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1124779940, now seen corresponding path program 1 times [2025-01-09 21:16:59,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:59,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192256164] [2025-01-09 21:16:59,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 21:16:59,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 21:16:59,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,230 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 21:16:59,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192256164] [2025-01-09 21:16:59,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192256164] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235825925] [2025-01-09 21:16:59,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,272 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:16:59,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 96 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 21:16:59,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:16:59,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,306 INFO L124 PetriNetUnfolderBase]: 9/149 cut-off events. [2025-01-09 21:16:59,306 INFO L125 PetriNetUnfolderBase]: For 22/26 co-relation queries the response was YES. [2025-01-09 21:16:59,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 149 events. 9/149 cut-off events. For 22/26 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 302 event pairs, 7 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 47. Up to 40 conditions per place. [2025-01-09 21:16:59,308 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 18 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2025-01-09 21:16:59,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 95 transitions, 259 flow [2025-01-09 21:16:59,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2025-01-09 21:16:59,311 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8226950354609929 [2025-01-09 21:16:59,311 INFO L175 Difference]: Start difference. First operand has 100 places, 96 transitions, 221 flow. Second operand 3 states and 348 transitions. [2025-01-09 21:16:59,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 95 transitions, 259 flow [2025-01-09 21:16:59,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 95 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:16:59,313 INFO L231 Difference]: Finished difference. Result has 97 places, 95 transitions, 216 flow [2025-01-09 21:16:59,313 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=97, PETRI_TRANSITIONS=95} [2025-01-09 21:16:59,313 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -25 predicate places. [2025-01-09 21:16:59,313 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 95 transitions, 216 flow [2025-01-09 21:16:59,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 21:16:59,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:59,315 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] [2025-01-09 21:16:59,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:16:59,315 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:59,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:59,317 INFO L85 PathProgramCache]: Analyzing trace with hash 499641900, now seen corresponding path program 1 times [2025-01-09 21:16:59,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:59,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264128715] [2025-01-09 21:16:59,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-09 21:16:59,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-09 21:16:59,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,403 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 21:16:59,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264128715] [2025-01-09 21:16:59,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264128715] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571666636] [2025-01-09 21:16:59,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,415 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2025-01-09 21:16:59,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 21:16:59,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2025-01-09 21:16:59,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,447 INFO L124 PetriNetUnfolderBase]: 16/180 cut-off events. [2025-01-09 21:16:59,447 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2025-01-09 21:16:59,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 180 events. 16/180 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 454 event pairs, 2 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 223. Up to 48 conditions per place. [2025-01-09 21:16:59,448 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 17 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2025-01-09 21:16:59,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 97 transitions, 260 flow [2025-01-09 21:16:59,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2025-01-09 21:16:59,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2025-01-09 21:16:59,450 INFO L175 Difference]: Start difference. First operand has 97 places, 95 transitions, 216 flow. Second operand 3 states and 360 transitions. [2025-01-09 21:16:59,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 97 transitions, 260 flow [2025-01-09 21:16:59,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 97 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:59,452 INFO L231 Difference]: Finished difference. Result has 96 places, 94 transitions, 214 flow [2025-01-09 21:16:59,452 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=96, PETRI_TRANSITIONS=94} [2025-01-09 21:16:59,453 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -26 predicate places. [2025-01-09 21:16:59,453 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 94 transitions, 214 flow [2025-01-09 21:16:59,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 21:16:59,453 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:59,453 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] [2025-01-09 21:16:59,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:16:59,454 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:59,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:59,455 INFO L85 PathProgramCache]: Analyzing trace with hash -679544130, now seen corresponding path program 1 times [2025-01-09 21:16:59,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:59,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526589111] [2025-01-09 21:16:59,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:59,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-09 21:16:59,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-09 21:16:59,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,512 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 21:16:59,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526589111] [2025-01-09 21:16:59,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526589111] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671587514] [2025-01-09 21:16:59,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,521 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 141 [2025-01-09 21:16:59,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 94 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 21:16:59,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 141 [2025-01-09 21:16:59,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,544 INFO L124 PetriNetUnfolderBase]: 14/145 cut-off events. [2025-01-09 21:16:59,544 INFO L125 PetriNetUnfolderBase]: For 13/19 co-relation queries the response was YES. [2025-01-09 21:16:59,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 145 events. 14/145 cut-off events. For 13/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 261 event pairs, 4 based on Foata normal form. 1/143 useless extension candidates. Maximal degree in co-relation 127. Up to 24 conditions per place. [2025-01-09 21:16:59,545 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 14 selfloop transitions, 1 changer transitions 16/96 dead transitions. [2025-01-09 21:16:59,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 96 transitions, 250 flow [2025-01-09 21:16:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2025-01-09 21:16:59,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8699763593380615 [2025-01-09 21:16:59,546 INFO L175 Difference]: Start difference. First operand has 96 places, 94 transitions, 214 flow. Second operand 3 states and 368 transitions. [2025-01-09 21:16:59,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 96 transitions, 250 flow [2025-01-09 21:16:59,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 96 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:59,548 INFO L231 Difference]: Finished difference. Result has 95 places, 77 transitions, 174 flow [2025-01-09 21:16:59,548 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=95, PETRI_TRANSITIONS=77} [2025-01-09 21:16:59,548 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -27 predicate places. [2025-01-09 21:16:59,548 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 77 transitions, 174 flow [2025-01-09 21:16:59,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 21:16:59,549 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:59,549 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] [2025-01-09 21:16:59,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:16:59,549 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-01-09 21:16:59,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:59,550 INFO L85 PathProgramCache]: Analyzing trace with hash -2075750428, now seen corresponding path program 1 times [2025-01-09 21:16:59,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:59,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042258707] [2025-01-09 21:16:59,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:59,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:59,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 21:16:59,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 21:16:59,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:59,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:59,607 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 21:16:59,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:59,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042258707] [2025-01-09 21:16:59,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042258707] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:59,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:59,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:59,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373038866] [2025-01-09 21:16:59,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:59,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:59,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:59,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:59,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:59,640 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2025-01-09 21:16:59,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 77 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 21:16:59,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:59,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2025-01-09 21:16:59,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:59,661 INFO L124 PetriNetUnfolderBase]: 9/112 cut-off events. [2025-01-09 21:16:59,662 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-01-09 21:16:59,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 112 events. 9/112 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 149 event pairs, 7 based on Foata normal form. 1/110 useless extension candidates. Maximal degree in co-relation 134. Up to 33 conditions per place. [2025-01-09 21:16:59,662 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2025-01-09 21:16:59,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 76 transitions, 202 flow [2025-01-09 21:16:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2025-01-09 21:16:59,663 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8108747044917257 [2025-01-09 21:16:59,663 INFO L175 Difference]: Start difference. First operand has 95 places, 77 transitions, 174 flow. Second operand 3 states and 343 transitions. [2025-01-09 21:16:59,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 76 transitions, 202 flow [2025-01-09 21:16:59,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 76 transitions, 201 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:16:59,665 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2025-01-09 21:16:59,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2025-01-09 21:16:59,666 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -42 predicate places. [2025-01-09 21:16:59,666 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2025-01-09 21:16:59,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 21:16:59,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-01-09 21:16:59,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-01-09 21:16:59,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-01-09 21:16:59,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-01-09 21:16:59,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-01-09 21:16:59,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-01-09 21:16:59,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-01-09 21:16:59,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-01-09 21:16:59,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-01-09 21:16:59,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-01-09 21:16:59,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-01-09 21:16:59,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2025-01-09 21:16:59,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-01-09 21:16:59,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:16:59,672 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 21:16:59,677 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:16:59,677 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:16:59,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:16:59 BasicIcfg [2025-01-09 21:16:59,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:16:59,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:16:59,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:16:59,683 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:16:59,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:58" (3/4) ... [2025-01-09 21:16:59,685 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:16:59,686 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:16:59,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2025-01-09 21:16:59,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-01-09 21:16:59,692 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:16:59,692 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:16:59,753 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:16:59,754 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:16:59,754 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:16:59,755 INFO L158 Benchmark]: Toolchain (without parser) took 2425.49ms. Allocated memory is still 201.3MB. Free memory was 152.2MB in the beginning and 79.5MB in the end (delta: 72.7MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2025-01-09 21:16:59,755 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:59,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.90ms. Allocated memory is still 201.3MB. Free memory was 151.7MB in the beginning and 97.4MB in the end (delta: 54.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-09 21:16:59,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.96ms. Allocated memory is still 201.3MB. Free memory was 97.4MB in the beginning and 94.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:59,756 INFO L158 Benchmark]: Boogie Preprocessor took 24.49ms. Allocated memory is still 201.3MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:59,757 INFO L158 Benchmark]: RCFGBuilder took 437.34ms. Allocated memory is still 201.3MB. Free memory was 92.5MB in the beginning and 67.4MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:16:59,758 INFO L158 Benchmark]: TraceAbstraction took 1279.34ms. Allocated memory is still 201.3MB. Free memory was 66.6MB in the beginning and 85.8MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:59,758 INFO L158 Benchmark]: Witness Printer took 71.28ms. Allocated memory is still 201.3MB. Free memory was 85.8MB in the beginning and 79.5MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:59,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.90ms. Allocated memory is still 201.3MB. Free memory was 151.7MB in the beginning and 97.4MB in the end (delta: 54.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.96ms. Allocated memory is still 201.3MB. Free memory was 97.4MB in the beginning and 94.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.49ms. Allocated memory is still 201.3MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.34ms. Allocated memory is still 201.3MB. Free memory was 92.5MB in the beginning and 67.4MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1279.34ms. Allocated memory is still 201.3MB. Free memory was 66.6MB in the beginning and 85.8MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.28ms. Allocated memory is still 201.3MB. Free memory was 85.8MB in the beginning and 79.5MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1731]: 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, 145 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 75 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:16:59,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE