./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c --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/weaver/popl20-min-max-inc-dec.wvr.c -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 c01f4f7d2658db6d4a951cb25555f85a195a1e66c897cc0a3f349ba621d29da1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:31:31,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:31:31,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:31:31,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:31:31,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:31:31,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:31:31,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:31:31,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:31:31,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:31:31,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:31:31,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:31:31,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:31:31,467 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:31:31,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:31:31,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:31:31,468 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:31:31,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:31:31,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:31:31,469 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:31:31,469 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:31:31,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:31:31,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:31:31,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:31,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:31:31,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:31:31,470 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 -> c01f4f7d2658db6d4a951cb25555f85a195a1e66c897cc0a3f349ba621d29da1 [2025-02-06 09:31:31,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:31:31,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:31:31,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:31:31,705 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:31:31,705 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:31:31,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2025-02-06 09:31:32,845 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f6a19f95/30964a340e154accbd8daca3b677b1f1/FLAGdf1c3cca9 [2025-02-06 09:31:33,122 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:31:33,124 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2025-02-06 09:31:33,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f6a19f95/30964a340e154accbd8daca3b677b1f1/FLAGdf1c3cca9 [2025-02-06 09:31:33,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f6a19f95/30964a340e154accbd8daca3b677b1f1 [2025-02-06 09:31:33,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:31:33,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:31:33,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:33,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:31:33,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:31:33,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c819cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33, skipping insertion in model container [2025-02-06 09:31:33,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:31:33,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:33,328 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:31:33,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:33,367 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:31:33,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33 WrapperNode [2025-02-06 09:31:33,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:33,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:33,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:31:33,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:31:33,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,403 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 156 [2025-02-06 09:31:33,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:33,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:31:33,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:31:33,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:31:33,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,418 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:31:33,432 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:31:33,432 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:31:33,432 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:31:33,432 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:33,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:31:33,459 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 09:31:33,463 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 09:31:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:31:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:31:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:31:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:31:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 09:31:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-02-06 09:31:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-02-06 09:31:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:31:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:31:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:31:33,491 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 09:31:33,651 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:31:33,656 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:31:33,910 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:31:33,910 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:31:33,953 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:31:33,953 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:31:33,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:33 BoogieIcfgContainer [2025-02-06 09:31:33,953 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:31:33,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:31:33,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:31:33,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:31:33,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:31:33" (1/3) ... [2025-02-06 09:31:33,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482afb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:33, skipping insertion in model container [2025-02-06 09:31:33,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (2/3) ... [2025-02-06 09:31:33,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482afb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:33, skipping insertion in model container [2025-02-06 09:31:33,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:33" (3/3) ... [2025-02-06 09:31:33,967 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2025-02-06 09:31:33,987 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:31:33,988 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-inc-dec.wvr.c that has 6 procedures, 240 locations, 1 initial locations, 5 loop locations, and 9 error locations. [2025-02-06 09:31:33,988 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:31:34,087 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2025-02-06 09:31:34,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 255 places, 252 transitions, 539 flow [2025-02-06 09:31:34,185 INFO L124 PetriNetUnfolderBase]: 13/247 cut-off events. [2025-02-06 09:31:34,190 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:31:34,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 247 events. 13/247 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 482 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 224. Up to 2 conditions per place. [2025-02-06 09:31:34,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 255 places, 252 transitions, 539 flow [2025-02-06 09:31:34,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 229 transitions, 482 flow [2025-02-06 09:31:34,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:31:34,235 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;@180211bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:31:34,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-02-06 09:31:34,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:31:34,251 INFO L124 PetriNetUnfolderBase]: 4/74 cut-off events. [2025-02-06 09:31:34,251 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:31:34,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:34,252 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] [2025-02-06 09:31:34,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:31:34,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:34,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1804162132, now seen corresponding path program 1 times [2025-02-06 09:31:34,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:34,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483235309] [2025-02-06 09:31:34,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:34,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:34,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 09:31:34,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 09:31:34,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:34,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:34,423 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 09:31:34,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:34,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483235309] [2025-02-06 09:31:34,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483235309] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:34,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:34,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:34,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964088456] [2025-02-06 09:31:34,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:34,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:34,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:34,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:34,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:34,486 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 252 [2025-02-06 09:31:34,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 229 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 09:31:34,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:34,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 252 [2025-02-06 09:31:34,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:39,950 INFO L124 PetriNetUnfolderBase]: 20042/54904 cut-off events. [2025-02-06 09:31:39,950 INFO L125 PetriNetUnfolderBase]: For 4623/4623 co-relation queries the response was YES. [2025-02-06 09:31:40,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85058 conditions, 54904 events. 20042/54904 cut-off events. For 4623/4623 co-relation queries the response was YES. Maximal size of possible extension queue 1763. Compared 710822 event pairs, 16347 based on Foata normal form. 1994/50868 useless extension candidates. Maximal degree in co-relation 84177. Up to 25452 conditions per place. [2025-02-06 09:31:40,537 INFO L140 encePairwiseOnDemand]: 244/252 looper letters, 35 selfloop transitions, 2 changer transitions 3/223 dead transitions. [2025-02-06 09:31:40,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 223 transitions, 544 flow [2025-02-06 09:31:40,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2025-02-06 09:31:40,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8664021164021164 [2025-02-06 09:31:40,550 INFO L175 Difference]: Start difference. First operand has 233 places, 229 transitions, 482 flow. Second operand 3 states and 655 transitions. [2025-02-06 09:31:40,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 223 transitions, 544 flow [2025-02-06 09:31:40,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 223 transitions, 530 flow, removed 0 selfloop flow, removed 8 redundant places. [2025-02-06 09:31:40,577 INFO L231 Difference]: Finished difference. Result has 226 places, 220 transitions, 454 flow [2025-02-06 09:31:40,579 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=226, PETRI_TRANSITIONS=220} [2025-02-06 09:31:40,582 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, -7 predicate places. [2025-02-06 09:31:40,583 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 220 transitions, 454 flow [2025-02-06 09:31:40,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 09:31:40,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:40,584 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] [2025-02-06 09:31:40,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:31:40,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:31:40,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:40,586 INFO L85 PathProgramCache]: Analyzing trace with hash 978990498, now seen corresponding path program 1 times [2025-02-06 09:31:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201588295] [2025-02-06 09:31:40,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:40,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 09:31:40,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 09:31:40,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:40,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:40,697 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 09:31:40,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:40,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201588295] [2025-02-06 09:31:40,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201588295] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:40,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:40,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:40,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964210284] [2025-02-06 09:31:40,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:40,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:40,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:40,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:40,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:40,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 252 [2025-02-06 09:31:40,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 220 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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 09:31:40,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:40,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 252 [2025-02-06 09:31:40,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:51,696 INFO L124 PetriNetUnfolderBase]: 64095/142180 cut-off events. [2025-02-06 09:31:51,696 INFO L125 PetriNetUnfolderBase]: For 3111/3111 co-relation queries the response was YES. [2025-02-06 09:31:52,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233659 conditions, 142180 events. 64095/142180 cut-off events. For 3111/3111 co-relation queries the response was YES. Maximal size of possible extension queue 4424. Compared 1817296 event pairs, 49660 based on Foata normal form. 0/131381 useless extension candidates. Maximal degree in co-relation 233582. Up to 80409 conditions per place. [2025-02-06 09:31:52,387 INFO L140 encePairwiseOnDemand]: 240/252 looper letters, 0 selfloop transitions, 0 changer transitions 221/221 dead transitions. [2025-02-06 09:31:52,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 221 transitions, 562 flow [2025-02-06 09:31:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2025-02-06 09:31:52,390 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8465608465608465 [2025-02-06 09:31:52,390 INFO L175 Difference]: Start difference. First operand has 226 places, 220 transitions, 454 flow. Second operand 3 states and 640 transitions. [2025-02-06 09:31:52,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 221 transitions, 562 flow [2025-02-06 09:31:52,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 221 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:52,397 INFO L231 Difference]: Finished difference. Result has 215 places, 0 transitions, 0 flow [2025-02-06 09:31:52,397 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=215, PETRI_TRANSITIONS=0} [2025-02-06 09:31:52,398 INFO L279 CegarLoopForPetriNet]: 233 programPoint places, -18 predicate places. [2025-02-06 09:31:52,398 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 0 transitions, 0 flow [2025-02-06 09:31:52,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2025-02-06 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2025-02-06 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2025-02-06 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2025-02-06 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2025-02-06 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2025-02-06 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2025-02-06 09:31:52,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 22 remaining) [2025-02-06 09:31:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 22 remaining) [2025-02-06 09:31:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 22 remaining) [2025-02-06 09:31:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 22 remaining) [2025-02-06 09:31:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 22 remaining) [2025-02-06 09:31:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2025-02-06 09:31:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2025-02-06 09:31:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2025-02-06 09:31:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2025-02-06 09:31:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2025-02-06 09:31:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2025-02-06 09:31:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2025-02-06 09:31:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2025-02-06 09:31:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2025-02-06 09:31:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2025-02-06 09:31:52,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:31:52,406 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 09:31:52,410 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:31:52,411 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:31:52,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:31:52 BasicIcfg [2025-02-06 09:31:52,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:31:52,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:31:52,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:31:52,416 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:31:52,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:33" (3/4) ... [2025-02-06 09:31:52,418 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:31:52,421 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:31:52,421 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:31:52,421 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-06 09:31:52,422 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2025-02-06 09:31:52,422 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread5 [2025-02-06 09:31:52,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-06 09:31:52,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:31:52,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 09:31:52,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:31:52,476 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:31:52,477 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:31:52,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:31:52,478 INFO L158 Benchmark]: Toolchain (without parser) took 19313.51ms. Allocated memory was 142.6MB in the beginning and 9.7GB in the end (delta: 9.5GB). Free memory was 108.2MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2025-02-06 09:31:52,478 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:52,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.70ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 95.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:52,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.17ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 93.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:52,480 INFO L158 Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:52,480 INFO L158 Benchmark]: IcfgBuilder took 521.89ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 68.6MB in the end (delta: 23.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:31:52,481 INFO L158 Benchmark]: TraceAbstraction took 18459.44ms. Allocated memory was 142.6MB in the beginning and 9.7GB in the end (delta: 9.5GB). Free memory was 67.8MB in the beginning and 7.3GB in the end (delta: -7.3GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2025-02-06 09:31:52,481 INFO L158 Benchmark]: Witness Printer took 61.55ms. Allocated memory is still 9.7GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:52,482 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 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.70ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 95.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.17ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 93.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.95ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 521.89ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 68.6MB in the end (delta: 23.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18459.44ms. Allocated memory was 142.6MB in the beginning and 9.7GB in the end (delta: 9.5GB). Free memory was 67.8MB in the beginning and 7.3GB in the end (delta: -7.3GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 61.55ms. Allocated memory is still 9.7GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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 11 procedures, 361 locations, 22 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: 18.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 8 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:31:52,498 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