./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --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/pthread-C-DAC/pthread-demo-datarace-1.i -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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:49:03,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:49:03,579 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:49:03,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:49:03,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:49:03,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:49:03,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:49:03,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:49:03,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:49:03,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:49:03,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:49:03,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:49:03,611 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:49:03,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:49:03,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:49:03,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:49:03,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:49:03,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:49:03,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:49:03,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:49:03,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:49:03,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:49:03,619 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:49:03,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:49:03,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:49:03,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:49:03,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:49:03,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:49:03,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:49:03,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:49:03,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:49:03,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:49:03,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:49:03,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:49:03,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:49:03,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:49:03,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:49:03,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:49:03,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:49:03,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:49:03,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:49:03,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2024-11-09 06:49:03,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:49:03,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:49:03,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:49:03,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:49:03,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:49:03,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-11-09 06:49:05,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:49:05,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:49:05,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-11-09 06:49:05,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74853e361/1c2879f0978d4efeb2a7fbe40ddb0f85/FLAGd7c779a9d [2024-11-09 06:49:05,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74853e361/1c2879f0978d4efeb2a7fbe40ddb0f85 [2024-11-09 06:49:05,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:49:05,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:49:05,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:49:05,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:49:05,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:49:05,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:49:05" (1/1) ... [2024-11-09 06:49:05,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cfca8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:05, skipping insertion in model container [2024-11-09 06:49:05,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:49:05" (1/1) ... [2024-11-09 06:49:05,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:49:06,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:49:06,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:49:06,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:49:06,183 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:49:06,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06 WrapperNode [2024-11-09 06:49:06,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:49:06,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:49:06,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:49:06,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:49:06,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,231 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-09 06:49:06,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:49:06,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:49:06,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:49:06,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:49:06,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:49:06,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:49:06,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:49:06,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:49:06,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (1/1) ... [2024-11-09 06:49:06,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:49:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:49:06,297 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 06:49:06,301 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 06:49:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:49:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:49:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:49:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-11-09 06:49:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-11-09 06:49:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:49:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:49:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:49:06,344 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 06:49:06,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:49:06,445 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:49:06,595 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:49:06,595 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:49:06,615 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:49:06,615 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 06:49:06,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:49:06 BoogieIcfgContainer [2024-11-09 06:49:06,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:49:06,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:49:06,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:49:06,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:49:06,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:49:05" (1/3) ... [2024-11-09 06:49:06,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238b7dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:49:06, skipping insertion in model container [2024-11-09 06:49:06,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:49:06" (2/3) ... [2024-11-09 06:49:06,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238b7dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:49:06, skipping insertion in model container [2024-11-09 06:49:06,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:49:06" (3/3) ... [2024-11-09 06:49:06,624 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-11-09 06:49:06,639 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:49:06,640 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 06:49:06,640 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:49:06,688 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 06:49:06,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 117 transitions, 241 flow [2024-11-09 06:49:06,751 INFO L124 PetriNetUnfolderBase]: 8/116 cut-off events. [2024-11-09 06:49:06,752 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:49:06,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 8/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 159 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2024-11-09 06:49:06,763 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 117 transitions, 241 flow [2024-11-09 06:49:06,768 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 98 transitions, 202 flow [2024-11-09 06:49:06,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:49:06,787 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;@7b71e744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:49:06,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-09 06:49:06,798 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:49:06,800 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-11-09 06:49:06,800 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:49:06,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:49:06,801 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] [2024-11-09 06:49:06,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-09 06:49:06,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:49:06,807 INFO L85 PathProgramCache]: Analyzing trace with hash -966863138, now seen corresponding path program 1 times [2024-11-09 06:49:06,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:49:06,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640391513] [2024-11-09 06:49:06,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:49:06,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:49:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:49:07,039 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 06:49:07,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:49:07,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640391513] [2024-11-09 06:49:07,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640391513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:49:07,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:49:07,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:49:07,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093389839] [2024-11-09 06:49:07,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:49:07,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:49:07,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:49:07,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:49:07,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:49:07,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-11-09 06:49:07,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 98 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 06:49:07,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:49:07,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-11-09 06:49:07,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:49:07,275 INFO L124 PetriNetUnfolderBase]: 22/184 cut-off events. [2024-11-09 06:49:07,275 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-09 06:49:07,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 184 events. 22/184 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 543 event pairs, 16 based on Foata normal form. 20/184 useless extension candidates. Maximal degree in co-relation 189. Up to 51 conditions per place. [2024-11-09 06:49:07,279 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 14 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-11-09 06:49:07,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 222 flow [2024-11-09 06:49:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:49:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:49:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2024-11-09 06:49:07,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8290598290598291 [2024-11-09 06:49:07,294 INFO L175 Difference]: Start difference. First operand has 96 places, 98 transitions, 202 flow. Second operand 3 states and 291 transitions. [2024-11-09 06:49:07,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 222 flow [2024-11-09 06:49:07,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:49:07,303 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 190 flow [2024-11-09 06:49:07,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2024-11-09 06:49:07,307 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2024-11-09 06:49:07,308 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 190 flow [2024-11-09 06:49:07,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 06:49:07,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:49:07,309 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] [2024-11-09 06:49:07,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:49:07,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-09 06:49:07,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:49:07,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1282858937, now seen corresponding path program 1 times [2024-11-09 06:49:07,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:49:07,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857883945] [2024-11-09 06:49:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:49:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:49:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:49:07,369 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 06:49:07,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:49:07,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857883945] [2024-11-09 06:49:07,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857883945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:49:07,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:49:07,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:49:07,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186529211] [2024-11-09 06:49:07,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:49:07,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:49:07,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:49:07,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:49:07,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:49:07,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-11-09 06:49:07,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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 06:49:07,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:49:07,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-11-09 06:49:07,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:49:07,472 INFO L124 PetriNetUnfolderBase]: 50/294 cut-off events. [2024-11-09 06:49:07,473 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-09 06:49:07,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 294 events. 50/294 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1163 event pairs, 15 based on Foata normal form. 1/263 useless extension candidates. Maximal degree in co-relation 372. Up to 61 conditions per place. [2024-11-09 06:49:07,475 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 18 selfloop transitions, 6 changer transitions 3/101 dead transitions. [2024-11-09 06:49:07,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 101 transitions, 260 flow [2024-11-09 06:49:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:49:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:49:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2024-11-09 06:49:07,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2024-11-09 06:49:07,481 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 190 flow. Second operand 3 states and 299 transitions. [2024-11-09 06:49:07,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 101 transitions, 260 flow [2024-11-09 06:49:07,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 101 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:49:07,484 INFO L231 Difference]: Finished difference. Result has 95 places, 94 transitions, 229 flow [2024-11-09 06:49:07,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=95, PETRI_TRANSITIONS=94} [2024-11-09 06:49:07,485 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -1 predicate places. [2024-11-09 06:49:07,486 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 94 transitions, 229 flow [2024-11-09 06:49:07,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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 06:49:07,486 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:49:07,486 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] [2024-11-09 06:49:07,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:49:07,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-09 06:49:07,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:49:07,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1817293370, now seen corresponding path program 1 times [2024-11-09 06:49:07,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:49:07,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513117759] [2024-11-09 06:49:07,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:49:07,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:49:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:49:07,533 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 06:49:07,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:49:07,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513117759] [2024-11-09 06:49:07,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513117759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:49:07,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:49:07,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:49:07,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799724401] [2024-11-09 06:49:07,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:49:07,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:49:07,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:49:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:49:07,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:49:07,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-11-09 06:49:07,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 06:49:07,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:49:07,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-11-09 06:49:07,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:49:07,623 INFO L124 PetriNetUnfolderBase]: 70/361 cut-off events. [2024-11-09 06:49:07,624 INFO L125 PetriNetUnfolderBase]: For 122/130 co-relation queries the response was YES. [2024-11-09 06:49:07,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 361 events. 70/361 cut-off events. For 122/130 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1619 event pairs, 22 based on Foata normal form. 2/326 useless extension candidates. Maximal degree in co-relation 90. Up to 119 conditions per place. [2024-11-09 06:49:07,630 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 19 selfloop transitions, 7 changer transitions 0/101 dead transitions. [2024-11-09 06:49:07,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 101 transitions, 305 flow [2024-11-09 06:49:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:49:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:49:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-11-09 06:49:07,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8319088319088319 [2024-11-09 06:49:07,633 INFO L175 Difference]: Start difference. First operand has 95 places, 94 transitions, 229 flow. Second operand 3 states and 292 transitions. [2024-11-09 06:49:07,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 101 transitions, 305 flow [2024-11-09 06:49:07,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 101 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:49:07,639 INFO L231 Difference]: Finished difference. Result has 94 places, 99 transitions, 273 flow [2024-11-09 06:49:07,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=94, PETRI_TRANSITIONS=99} [2024-11-09 06:49:07,640 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2024-11-09 06:49:07,640 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 99 transitions, 273 flow [2024-11-09 06:49:07,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 06:49:07,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:49:07,641 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] [2024-11-09 06:49:07,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:49:07,641 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-09 06:49:07,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:49:07,642 INFO L85 PathProgramCache]: Analyzing trace with hash -804719682, now seen corresponding path program 1 times [2024-11-09 06:49:07,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:49:07,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497020367] [2024-11-09 06:49:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:49:07,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:49:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:49:07,711 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 06:49:07,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:49:07,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497020367] [2024-11-09 06:49:07,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497020367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:49:07,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:49:07,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:49:07,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698133093] [2024-11-09 06:49:07,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:49:07,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:49:07,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:49:07,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:49:07,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:49:07,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 117 [2024-11-09 06:49:07,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 99 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 06:49:07,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:49:07,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 117 [2024-11-09 06:49:07,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:49:07,806 INFO L124 PetriNetUnfolderBase]: 96/465 cut-off events. [2024-11-09 06:49:07,806 INFO L125 PetriNetUnfolderBase]: For 225/230 co-relation queries the response was YES. [2024-11-09 06:49:07,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 465 events. 96/465 cut-off events. For 225/230 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2328 event pairs, 25 based on Foata normal form. 2/422 useless extension candidates. Maximal degree in co-relation 303. Up to 142 conditions per place. [2024-11-09 06:49:07,809 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 19 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2024-11-09 06:49:07,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 357 flow [2024-11-09 06:49:07,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:49:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:49:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2024-11-09 06:49:07,812 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2024-11-09 06:49:07,812 INFO L175 Difference]: Start difference. First operand has 94 places, 99 transitions, 273 flow. Second operand 3 states and 297 transitions. [2024-11-09 06:49:07,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 357 flow [2024-11-09 06:49:07,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 106 transitions, 339 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:49:07,816 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 327 flow [2024-11-09 06:49:07,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2024-11-09 06:49:07,817 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 0 predicate places. [2024-11-09 06:49:07,817 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 327 flow [2024-11-09 06:49:07,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 06:49:07,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:49:07,818 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] [2024-11-09 06:49:07,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:49:07,819 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-09 06:49:07,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:49:07,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2124875592, now seen corresponding path program 1 times [2024-11-09 06:49:07,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:49:07,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524459597] [2024-11-09 06:49:07,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:49:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:49:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:49:07,953 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 06:49:07,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:49:07,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524459597] [2024-11-09 06:49:07,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524459597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:49:07,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:49:07,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:49:07,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41542633] [2024-11-09 06:49:07,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:49:07,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:49:07,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:49:07,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:49:07,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:49:07,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 117 [2024-11-09 06:49:07,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 06:49:07,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:49:07,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 117 [2024-11-09 06:49:07,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:49:08,018 INFO L124 PetriNetUnfolderBase]: 4/115 cut-off events. [2024-11-09 06:49:08,018 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-09 06:49:08,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 115 events. 4/115 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 1 based on Foata normal form. 2/113 useless extension candidates. Maximal degree in co-relation 107. Up to 8 conditions per place. [2024-11-09 06:49:08,022 INFO L140 encePairwiseOnDemand]: 113/117 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2024-11-09 06:49:08,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 84 transitions, 217 flow [2024-11-09 06:49:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:49:08,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:49:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-11-09 06:49:08,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.886039886039886 [2024-11-09 06:49:08,024 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 327 flow. Second operand 3 states and 311 transitions. [2024-11-09 06:49:08,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 84 transitions, 217 flow [2024-11-09 06:49:08,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 84 transitions, 181 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-09 06:49:08,029 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-09 06:49:08,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-09 06:49:08,030 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -10 predicate places. [2024-11-09 06:49:08,030 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-09 06:49:08,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 06:49:08,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-09 06:49:08,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-09 06:49:08,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-09 06:49:08,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-09 06:49:08,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-09 06:49:08,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-09 06:49:08,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-09 06:49:08,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-09 06:49:08,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-09 06:49:08,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:49:08,067 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 06:49:08,077 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:49:08,078 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:49:08,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:49:08 BasicIcfg [2024-11-09 06:49:08,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:49:08,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:49:08,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:49:08,083 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:49:08,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:49:06" (3/4) ... [2024-11-09 06:49:08,085 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:49:08,087 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-11-09 06:49:08,090 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 06:49:08,091 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 06:49:08,091 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:49:08,092 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:49:08,162 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:49:08,163 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 06:49:08,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:49:08,163 INFO L158 Benchmark]: Toolchain (without parser) took 2664.57ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 94.4MB in the beginning and 176.9MB in the end (delta: -82.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:49:08,164 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:49:08,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.62ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 109.7MB in the end (delta: -15.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-09 06:49:08,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.32ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:49:08,164 INFO L158 Benchmark]: Boogie Preprocessor took 31.76ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:49:08,165 INFO L158 Benchmark]: RCFGBuilder took 351.52ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 88.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:49:08,166 INFO L158 Benchmark]: TraceAbstraction took 1465.03ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 88.7MB in the beginning and 182.2MB in the end (delta: -93.4MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-11-09 06:49:08,166 INFO L158 Benchmark]: Witness Printer took 80.07ms. Allocated memory is still 224.4MB. Free memory was 181.1MB in the beginning and 176.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:49:08,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.62ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 109.7MB in the end (delta: -15.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.32ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.76ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.52ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 88.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1465.03ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 88.7MB in the beginning and 182.2MB in the end (delta: -93.4MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Witness Printer took 80.07ms. Allocated memory is still 224.4MB. Free memory was 181.1MB in the beginning and 176.9MB 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: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 139 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 29 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:49:08,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE