./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 c7c6ca5d 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-inc-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 c01f4f7d2658db6d4a951cb25555f85a195a1e66c897cc0a3f349ba621d29da1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:01:58,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:01:58,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:01:58,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:01:58,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:01:58,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:01:58,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:01:58,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:01:58,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:01:58,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:01:58,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:01:58,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:01:58,441 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:01:58,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:01:58,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:01:58,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:01:58,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:01:58,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:01:58,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:01:58,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:01:58,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:01:58,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:01:58,448 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:01:58,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:01:58,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:01:58,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:01:58,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:01:58,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:01:58,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:01:58,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:01:58,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:01:58,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:01:58,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:01:58,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:01:58,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:01:58,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:01:58,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:01:58,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:01:58,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:01:58,458 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:01:58,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:01:58,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c01f4f7d2658db6d4a951cb25555f85a195a1e66c897cc0a3f349ba621d29da1 [2024-11-09 07:01:58,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:01:58,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:01:58,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:01:58,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:01:58,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:01:58,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2024-11-09 07:02:00,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:02:00,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:02:00,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2024-11-09 07:02:00,506 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170fe704f/b02f6d3ae5c44274bddd822ee39c8a53/FLAGce9f46cb9 [2024-11-09 07:02:00,525 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/170fe704f/b02f6d3ae5c44274bddd822ee39c8a53 [2024-11-09 07:02:00,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:02:00,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:02:00,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:00,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:02:00,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:02:00,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:00,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecd3b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00, skipping insertion in model container [2024-11-09 07:02:00,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:00,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:02:00,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:00,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:02:00,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:00,958 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:02:00,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00 WrapperNode [2024-11-09 07:02:00,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:00,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:00,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:02:00,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:02:00,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:00,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:00,998 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 165 [2024-11-09 07:02:00,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:00,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:02:00,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:02:00,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:02:01,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:02:01,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:02:01,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:02:01,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:02:01,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (1/1) ... [2024-11-09 07:02:01,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:02:01,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:02:01,092 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) [2024-11-09 07:02:01,094 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 [2024-11-09 07:02:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:02:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 07:02:01,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 07:02:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 07:02:01,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 07:02:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 07:02:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 07:02:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 07:02:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 07:02:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:02:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-09 07:02:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-09 07:02:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:02:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:02:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:02:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:02:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:02:01,138 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:02:01,241 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:02:01,242 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:02:01,648 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:02:01,649 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:02:01,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:02:01,695 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-09 07:02:01,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:01 BoogieIcfgContainer [2024-11-09 07:02:01,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:02:01,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:02:01,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:02:01,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:02:01,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:02:00" (1/3) ... [2024-11-09 07:02:01,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd84e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:01, skipping insertion in model container [2024-11-09 07:02:01,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:00" (2/3) ... [2024-11-09 07:02:01,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd84e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:01, skipping insertion in model container [2024-11-09 07:02:01,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:01" (3/3) ... [2024-11-09 07:02:01,706 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2024-11-09 07:02:01,720 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:02:01,720 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2024-11-09 07:02:01,720 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:02:01,852 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-09 07:02:01,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 255 places, 257 transitions, 549 flow [2024-11-09 07:02:02,030 INFO L124 PetriNetUnfolderBase]: 18/252 cut-off events. [2024-11-09 07:02:02,031 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-09 07:02:02,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 252 events. 18/252 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 493 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 229. Up to 2 conditions per place. [2024-11-09 07:02:02,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 255 places, 257 transitions, 549 flow [2024-11-09 07:02:02,049 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 234 transitions, 492 flow [2024-11-09 07:02:02,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:02:02,069 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;@94205ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:02:02,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-09 07:02:02,094 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:02:02,094 INFO L124 PetriNetUnfolderBase]: 5/74 cut-off events. [2024-11-09 07:02:02,095 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:02:02,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:02,096 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] [2024-11-09 07:02:02,097 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 07:02:02,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash 300654345, now seen corresponding path program 1 times [2024-11-09 07:02:02,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:02,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271921867] [2024-11-09 07:02:02,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:02,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:02,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:02,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271921867] [2024-11-09 07:02:02,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271921867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:02,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:02,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:02,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496600709] [2024-11-09 07:02:02,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:02,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:02,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:02,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:02,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:02,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 257 [2024-11-09 07:02:02,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 234 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 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) [2024-11-09 07:02:02,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:02,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 257 [2024-11-09 07:02:02,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:05,605 INFO L124 PetriNetUnfolderBase]: 4656/14690 cut-off events. [2024-11-09 07:02:05,605 INFO L125 PetriNetUnfolderBase]: For 1259/1259 co-relation queries the response was YES. [2024-11-09 07:02:05,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22489 conditions, 14690 events. 4656/14690 cut-off events. For 1259/1259 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 166460 event pairs, 4064 based on Foata normal form. 2139/15059 useless extension candidates. Maximal degree in co-relation 21995. Up to 6069 conditions per place. [2024-11-09 07:02:05,817 INFO L140 encePairwiseOnDemand]: 244/257 looper letters, 27 selfloop transitions, 2 changer transitions 3/223 dead transitions. [2024-11-09 07:02:05,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 223 transitions, 528 flow [2024-11-09 07:02:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2024-11-09 07:02:05,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8767833981841764 [2024-11-09 07:02:05,840 INFO L175 Difference]: Start difference. First operand has 233 places, 234 transitions, 492 flow. Second operand 3 states and 676 transitions. [2024-11-09 07:02:05,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 223 transitions, 528 flow [2024-11-09 07:02:05,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 223 transitions, 514 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 07:02:05,854 INFO L231 Difference]: Finished difference. Result has 226 places, 220 transitions, 454 flow [2024-11-09 07:02:05,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, 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} [2024-11-09 07:02:05,861 INFO L277 CegarLoopForPetriNet]: 233 programPoint places, -7 predicate places. [2024-11-09 07:02:05,861 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 220 transitions, 454 flow [2024-11-09 07:02:05,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 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) [2024-11-09 07:02:05,862 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:05,862 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] [2024-11-09 07:02:05,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:02:05,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 07:02:05,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:05,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1470968904, now seen corresponding path program 1 times [2024-11-09 07:02:05,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:05,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694177689] [2024-11-09 07:02:05,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:05,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:05,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:05,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694177689] [2024-11-09 07:02:05,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694177689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:05,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:05,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:05,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200771971] [2024-11-09 07:02:05,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:05,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:05,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:05,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:05,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:06,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 257 [2024-11-09 07:02:06,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 220 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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) [2024-11-09 07:02:06,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:06,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 257 [2024-11-09 07:02:06,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:12,171 INFO L124 PetriNetUnfolderBase]: 19442/46577 cut-off events. [2024-11-09 07:02:12,171 INFO L125 PetriNetUnfolderBase]: For 742/742 co-relation queries the response was YES. [2024-11-09 07:02:12,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76942 conditions, 46577 events. 19442/46577 cut-off events. For 742/742 co-relation queries the response was YES. Maximal size of possible extension queue 1655. Compared 546241 event pairs, 15146 based on Foata normal form. 0/42757 useless extension candidates. Maximal degree in co-relation 76866. Up to 24809 conditions per place. [2024-11-09 07:02:12,505 INFO L140 encePairwiseOnDemand]: 245/257 looper letters, 0 selfloop transitions, 0 changer transitions 220/220 dead transitions. [2024-11-09 07:02:12,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 220 transitions, 542 flow [2024-11-09 07:02:12,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2024-11-09 07:02:12,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8495460440985733 [2024-11-09 07:02:12,508 INFO L175 Difference]: Start difference. First operand has 226 places, 220 transitions, 454 flow. Second operand 3 states and 655 transitions. [2024-11-09 07:02:12,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 220 transitions, 542 flow [2024-11-09 07:02:12,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 220 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:12,516 INFO L231 Difference]: Finished difference. Result has 215 places, 0 transitions, 0 flow [2024-11-09 07:02:12,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, 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} [2024-11-09 07:02:12,518 INFO L277 CegarLoopForPetriNet]: 233 programPoint places, -18 predicate places. [2024-11-09 07:02:12,518 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 0 transitions, 0 flow [2024-11-09 07:02:12,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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) [2024-11-09 07:02:12,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2024-11-09 07:02:12,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2024-11-09 07:02:12,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2024-11-09 07:02:12,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2024-11-09 07:02:12,523 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2024-11-09 07:02:12,524 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2024-11-09 07:02:12,524 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2024-11-09 07:02:12,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 22 remaining) [2024-11-09 07:02:12,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 22 remaining) [2024-11-09 07:02:12,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 22 remaining) [2024-11-09 07:02:12,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 22 remaining) [2024-11-09 07:02:12,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 22 remaining) [2024-11-09 07:02:12,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2024-11-09 07:02:12,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2024-11-09 07:02:12,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2024-11-09 07:02:12,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2024-11-09 07:02:12,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2024-11-09 07:02:12,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2024-11-09 07:02:12,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2024-11-09 07:02:12,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2024-11-09 07:02:12,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2024-11-09 07:02:12,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2024-11-09 07:02:12,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:02:12,530 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:02:12,540 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 07:02:12,543 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:02:12,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:02:12 BasicIcfg [2024-11-09 07:02:12,551 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:02:12,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:02:12,552 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:02:12,552 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:02:12,553 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:01" (3/4) ... [2024-11-09 07:02:12,555 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:02:12,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 07:02:12,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 07:02:12,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 07:02:12,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-09 07:02:12,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-09 07:02:12,565 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-09 07:02:12,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 07:02:12,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 07:02:12,567 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:02:12,672 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 07:02:12,673 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 07:02:12,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:02:12,674 INFO L158 Benchmark]: Toolchain (without parser) took 12144.59ms. Allocated memory was 180.4MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 150.0MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 816.5MB. Max. memory is 16.1GB. [2024-11-09 07:02:12,674 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 180.4MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:02:12,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.08ms. Allocated memory is still 180.4MB. Free memory was 149.7MB in the beginning and 135.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:02:12,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.98ms. Allocated memory is still 180.4MB. Free memory was 135.4MB in the beginning and 133.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:02:12,675 INFO L158 Benchmark]: Boogie Preprocessor took 33.43ms. Allocated memory is still 180.4MB. Free memory was 133.5MB in the beginning and 131.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:02:12,675 INFO L158 Benchmark]: RCFGBuilder took 662.64ms. Allocated memory is still 180.4MB. Free memory was 131.5MB in the beginning and 106.7MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 07:02:12,675 INFO L158 Benchmark]: TraceAbstraction took 10853.00ms. Allocated memory was 180.4MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 106.1MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 799.7MB. Max. memory is 16.1GB. [2024-11-09 07:02:12,675 INFO L158 Benchmark]: Witness Printer took 121.46ms. Allocated memory is still 5.3GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 07:02:12,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 180.4MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.08ms. Allocated memory is still 180.4MB. Free memory was 149.7MB in the beginning and 135.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.98ms. Allocated memory is still 180.4MB. Free memory was 135.4MB in the beginning and 133.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.43ms. Allocated memory is still 180.4MB. Free memory was 133.5MB in the beginning and 131.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.64ms. Allocated memory is still 180.4MB. Free memory was 131.5MB in the beginning and 106.7MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10853.00ms. Allocated memory was 180.4MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 106.1MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 799.7MB. Max. memory is 16.1GB. * Witness Printer took 121.46ms. Allocated memory is still 5.3GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 10.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 8 mSDtfsCounter, 112 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=492occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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 - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 07:02:12,703 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