./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:39:12,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:39:12,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:39:12,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:39:12,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:39:12,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:39:12,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:39:12,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:39:12,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:39:12,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:39:12,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:39:12,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:39:12,470 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:39:12,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:39:12,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:39:12,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:39:12,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:39:12,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:39:12,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:39:12,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:39:12,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:39:12,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:39:12,474 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:39:12,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:39:12,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:39:12,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:39:12,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:39:12,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:39:12,475 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:39:12,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:39:12,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:39:12,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:12,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:39:12,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:39:12,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:39:12,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:39:12,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:39:12,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:39:12,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:39:12,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:39:12,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:39:12,478 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 [2024-11-10 14:39:12,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:39:12,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:39:12,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:39:12,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:39:12,704 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:39:12,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2024-11-10 14:39:13,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:39:14,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:39:14,026 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2024-11-10 14:39:14,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162b482ec/af8f53c5562248968949786a9e145f4a/FLAGbd56d08ca [2024-11-10 14:39:14,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162b482ec/af8f53c5562248968949786a9e145f4a [2024-11-10 14:39:14,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:39:14,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:39:14,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:14,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:39:14,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:39:14,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1467d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14, skipping insertion in model container [2024-11-10 14:39:14,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:39:14,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:14,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:39:14,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:14,276 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:39:14,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14 WrapperNode [2024-11-10 14:39:14,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:14,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:14,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:39:14,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:39:14,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,310 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 126 [2024-11-10 14:39:14,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:14,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:39:14,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:39:14,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:39:14,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:39:14,339 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:39:14,339 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:39:14,339 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:39:14,340 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (1/1) ... [2024-11-10 14:39:14,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:14,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:39:14,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:39:14,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:39:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:39:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:39:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:39:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:39:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:39:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:39:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:39:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-10 14:39:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-10 14:39:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:39:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:39:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:39:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:39:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:39:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:39:14,426 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:39:14,504 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:39:14,506 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:39:14,726 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:39:14,726 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:39:14,761 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:39:14,761 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:39:14,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:14 BoogieIcfgContainer [2024-11-10 14:39:14,761 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:39:14,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:39:14,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:39:14,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:39:14,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:39:14" (1/3) ... [2024-11-10 14:39:14,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f26dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:14, skipping insertion in model container [2024-11-10 14:39:14,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:14" (2/3) ... [2024-11-10 14:39:14,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f26dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:14, skipping insertion in model container [2024-11-10 14:39:14,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:14" (3/3) ... [2024-11-10 14:39:14,768 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-11-10 14:39:14,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:39:14,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-10 14:39:14,780 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:39:14,851 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-10 14:39:14,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 222 transitions, 472 flow [2024-11-10 14:39:14,968 INFO L124 PetriNetUnfolderBase]: 15/218 cut-off events. [2024-11-10 14:39:14,969 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:39:14,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 218 events. 15/218 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 366 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 194. Up to 2 conditions per place. [2024-11-10 14:39:14,977 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 222 transitions, 472 flow [2024-11-10 14:39:14,983 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 199 places, 200 transitions, 418 flow [2024-11-10 14:39:14,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:39:15,001 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;@9d71687, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:39:15,002 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-10 14:39:15,020 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:39:15,022 INFO L124 PetriNetUnfolderBase]: 5/75 cut-off events. [2024-11-10 14:39:15,022 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:39:15,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:15,022 INFO L204 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] [2024-11-10 14:39:15,023 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-10 14:39:15,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:15,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1339839683, now seen corresponding path program 1 times [2024-11-10 14:39:15,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:15,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087427371] [2024-11-10 14:39:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:15,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:15,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:15,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087427371] [2024-11-10 14:39:15,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087427371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:15,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:15,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:15,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777030007] [2024-11-10 14:39:15,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:15,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:39:15,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:15,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:39:15,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:39:15,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 222 [2024-11-10 14:39:15,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 200 transitions, 418 flow. Second operand has 2 states, 2 states have (on average 191.0) internal successors, (382), 2 states have internal predecessors, (382), 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) [2024-11-10 14:39:15,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:15,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 222 [2024-11-10 14:39:15,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:15,675 INFO L124 PetriNetUnfolderBase]: 891/3123 cut-off events. [2024-11-10 14:39:15,676 INFO L125 PetriNetUnfolderBase]: For 345/357 co-relation queries the response was YES. [2024-11-10 14:39:15,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4653 conditions, 3123 events. 891/3123 cut-off events. For 345/357 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 26537 event pairs, 686 based on Foata normal form. 401/3242 useless extension candidates. Maximal degree in co-relation 4467. Up to 1207 conditions per place. [2024-11-10 14:39:15,708 INFO L140 encePairwiseOnDemand]: 214/222 looper letters, 20 selfloop transitions, 0 changer transitions 3/192 dead transitions. [2024-11-10 14:39:15,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 192 transitions, 442 flow [2024-11-10 14:39:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:39:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:39:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 408 transitions. [2024-11-10 14:39:15,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918918918918919 [2024-11-10 14:39:15,723 INFO L175 Difference]: Start difference. First operand has 199 places, 200 transitions, 418 flow. Second operand 2 states and 408 transitions. [2024-11-10 14:39:15,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 192 transitions, 442 flow [2024-11-10 14:39:15,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 432 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:39:15,731 INFO L231 Difference]: Finished difference. Result has 194 places, 189 transitions, 386 flow [2024-11-10 14:39:15,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=386, PETRI_PLACES=194, PETRI_TRANSITIONS=189} [2024-11-10 14:39:15,737 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -5 predicate places. [2024-11-10 14:39:15,737 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 189 transitions, 386 flow [2024-11-10 14:39:15,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 191.0) internal successors, (382), 2 states have internal predecessors, (382), 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) [2024-11-10 14:39:15,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:15,738 INFO L204 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] [2024-11-10 14:39:15,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:39:15,738 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-10 14:39:15,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash 999180541, now seen corresponding path program 1 times [2024-11-10 14:39:15,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:15,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202687403] [2024-11-10 14:39:15,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:15,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:15,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:15,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202687403] [2024-11-10 14:39:15,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202687403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:15,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:15,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:15,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621746310] [2024-11-10 14:39:15,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:15,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:15,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:15,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:15,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:15,909 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 222 [2024-11-10 14:39:15,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 189 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2024-11-10 14:39:15,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:15,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 222 [2024-11-10 14:39:15,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:16,839 INFO L124 PetriNetUnfolderBase]: 2812/9010 cut-off events. [2024-11-10 14:39:16,840 INFO L125 PetriNetUnfolderBase]: For 172/172 co-relation queries the response was YES. [2024-11-10 14:39:16,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13461 conditions, 9010 events. 2812/9010 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 94092 event pairs, 2244 based on Foata normal form. 0/7990 useless extension candidates. Maximal degree in co-relation 13458. Up to 3783 conditions per place. [2024-11-10 14:39:16,894 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 29 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2024-11-10 14:39:16,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 446 flow [2024-11-10 14:39:16,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-11-10 14:39:16,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8453453453453453 [2024-11-10 14:39:16,897 INFO L175 Difference]: Start difference. First operand has 194 places, 189 transitions, 386 flow. Second operand 3 states and 563 transitions. [2024-11-10 14:39:16,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 446 flow [2024-11-10 14:39:16,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 188 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:39:16,900 INFO L231 Difference]: Finished difference. Result has 192 places, 188 transitions, 388 flow [2024-11-10 14:39:16,901 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=192, PETRI_TRANSITIONS=188} [2024-11-10 14:39:16,901 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -7 predicate places. [2024-11-10 14:39:16,902 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 188 transitions, 388 flow [2024-11-10 14:39:16,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2024-11-10 14:39:16,902 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:16,903 INFO L204 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] [2024-11-10 14:39:16,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:39:16,903 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-10 14:39:16,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:16,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1880778829, now seen corresponding path program 1 times [2024-11-10 14:39:16,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:16,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390274566] [2024-11-10 14:39:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:16,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:16,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:16,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390274566] [2024-11-10 14:39:16,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390274566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:16,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:16,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:16,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510935084] [2024-11-10 14:39:16,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:16,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:16,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:16,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:16,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:16,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 222 [2024-11-10 14:39:16,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 188 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2024-11-10 14:39:17,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:17,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 222 [2024-11-10 14:39:17,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:18,592 INFO L124 PetriNetUnfolderBase]: 6316/17727 cut-off events. [2024-11-10 14:39:18,592 INFO L125 PetriNetUnfolderBase]: For 393/393 co-relation queries the response was YES. [2024-11-10 14:39:18,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27610 conditions, 17727 events. 6316/17727 cut-off events. For 393/393 co-relation queries the response was YES. Maximal size of possible extension queue 622. Compared 195830 event pairs, 4647 based on Foata normal form. 0/16120 useless extension candidates. Maximal degree in co-relation 27606. Up to 8422 conditions per place. [2024-11-10 14:39:18,658 INFO L140 encePairwiseOnDemand]: 213/222 looper letters, 0 selfloop transitions, 0 changer transitions 189/189 dead transitions. [2024-11-10 14:39:18,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 189 transitions, 475 flow [2024-11-10 14:39:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:18,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:18,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 559 transitions. [2024-11-10 14:39:18,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8393393393393394 [2024-11-10 14:39:18,661 INFO L175 Difference]: Start difference. First operand has 192 places, 188 transitions, 388 flow. Second operand 3 states and 559 transitions. [2024-11-10 14:39:18,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 189 transitions, 475 flow [2024-11-10 14:39:18,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 189 transitions, 471 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:18,663 INFO L231 Difference]: Finished difference. Result has 186 places, 0 transitions, 0 flow [2024-11-10 14:39:18,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=186, PETRI_TRANSITIONS=0} [2024-11-10 14:39:18,664 INFO L277 CegarLoopForPetriNet]: 199 programPoint places, -13 predicate places. [2024-11-10 14:39:18,664 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 0 transitions, 0 flow [2024-11-10 14:39:18,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2024-11-10 14:39:18,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-11-10 14:39:18,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-11-10 14:39:18,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-11-10 14:39:18,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-11-10 14:39:18,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2024-11-10 14:39:18,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-11-10 14:39:18,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-11-10 14:39:18,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 17 remaining) [2024-11-10 14:39:18,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 17 remaining) [2024-11-10 14:39:18,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 17 remaining) [2024-11-10 14:39:18,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 17 remaining) [2024-11-10 14:39:18,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-11-10 14:39:18,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-11-10 14:39:18,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-11-10 14:39:18,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-11-10 14:39:18,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-11-10 14:39:18,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-11-10 14:39:18,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:39:18,671 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-10 14:39:18,675 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:39:18,675 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:39:18,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:39:18 BasicIcfg [2024-11-10 14:39:18,679 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:39:18,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:39:18,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:39:18,680 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:39:18,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:14" (3/4) ... [2024-11-10 14:39:18,682 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:39:18,684 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:39:18,684 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:39:18,684 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:39:18,685 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-10 14:39:18,687 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 14:39:18,687 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:39:18,687 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:39:18,687 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:39:18,754 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:39:18,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:39:18,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:39:18,755 INFO L158 Benchmark]: Toolchain (without parser) took 4707.06ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 70.4MB in the beginning and 767.6MB in the end (delta: -697.1MB). Peak memory consumption was 356.2MB. Max. memory is 16.1GB. [2024-11-10 14:39:18,755 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:39:18,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.24ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 56.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:39:18,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.96ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 54.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:39:18,756 INFO L158 Benchmark]: Boogie Preprocessor took 27.35ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 52.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:18,757 INFO L158 Benchmark]: IcfgBuilder took 422.55ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 52.6MB in the beginning and 143.6MB in the end (delta: -91.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-10 14:39:18,757 INFO L158 Benchmark]: TraceAbstraction took 3916.58ms. Allocated memory was 190.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 143.6MB in the beginning and 771.8MB in the end (delta: -628.2MB). Peak memory consumption was 383.7MB. Max. memory is 16.1GB. [2024-11-10 14:39:18,757 INFO L158 Benchmark]: Witness Printer took 74.80ms. Allocated memory is still 1.2GB. Free memory was 771.8MB in the beginning and 767.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:39:18,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.24ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 56.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.96ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 54.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.35ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 52.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 422.55ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 52.6MB in the beginning and 143.6MB in the end (delta: -91.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3916.58ms. Allocated memory was 190.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 143.6MB in the beginning and 771.8MB in the end (delta: -628.2MB). Peak memory consumption was 383.7MB. Max. memory is 16.1GB. * Witness Printer took 74.80ms. Allocated memory is still 1.2GB. Free memory was 771.8MB in the beginning and 767.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 94]: 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 9 procedures, 303 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 7 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:39:18,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE