./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.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 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:52:36,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:52:36,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:52:36,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:52:36,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:52:36,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:52:36,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:52:36,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:52:36,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:52:36,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:52:36,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:52:36,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:52:36,385 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:52:36,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:52:36,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:52:36,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:52:36,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:52:36,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:52:36,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:52:36,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:52:36,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:52:36,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:52:36,390 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:52:36,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:52:36,390 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:52:36,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:52:36,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:52:36,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:52:36,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:52:36,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:52:36,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:52:36,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:52:36,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:52:36,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:52:36,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:52:36,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:52:36,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:52:36,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:52:36,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:52:36,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:52:36,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:52:36,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 [2024-10-13 09:52:36,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:52:36,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:52:36,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:52:36,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:52:36,636 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:52:36,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2024-10-13 09:52:37,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:52:38,150 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:52:38,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2024-10-13 09:52:38,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814e2a363/1fabe7a627874b0c9db62fae6b3aa321/FLAG3cd0539a9 [2024-10-13 09:52:38,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814e2a363/1fabe7a627874b0c9db62fae6b3aa321 [2024-10-13 09:52:38,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:52:38,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:52:38,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:52:38,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:52:38,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:52:38,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:52:38" (1/1) ... [2024-10-13 09:52:38,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5580654d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:38, skipping insertion in model container [2024-10-13 09:52:38,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:52:38" (1/1) ... [2024-10-13 09:52:38,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:52:38,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:52:38,959 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:52:39,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:52:39,034 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:52:39,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39 WrapperNode [2024-10-13 09:52:39,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:52:39,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:52:39,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:52:39,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:52:39,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,074 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-10-13 09:52:39,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:52:39,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:52:39,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:52:39,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:52:39,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:52:39,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:52:39,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:52:39,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:52:39,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (1/1) ... [2024-10-13 09:52:39,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:52:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:52:39,137 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) [2024-10-13 09:52:39,143 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 [2024-10-13 09:52:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 09:52:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:52:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-13 09:52:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-13 09:52:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:52:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 09:52:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:52:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:52:39,184 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:52:39,292 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:52:39,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:52:39,451 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:52:39,454 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:52:39,497 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:52:39,497 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:52:39,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:52:39 BoogieIcfgContainer [2024-10-13 09:52:39,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:52:39,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:52:39,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:52:39,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:52:39,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:52:38" (1/3) ... [2024-10-13 09:52:39,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0393b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:52:39, skipping insertion in model container [2024-10-13 09:52:39,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:39" (2/3) ... [2024-10-13 09:52:39,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0393b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:52:39, skipping insertion in model container [2024-10-13 09:52:39,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:52:39" (3/3) ... [2024-10-13 09:52:39,506 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2024-10-13 09:52:39,520 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:52:39,520 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-13 09:52:39,521 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:52:39,567 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 09:52:39,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 190 flow [2024-10-13 09:52:39,635 INFO L124 PetriNetUnfolderBase]: 2/92 cut-off events. [2024-10-13 09:52:39,636 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:52:39,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-10-13 09:52:39,640 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 93 transitions, 190 flow [2024-10-13 09:52:39,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 92 transitions, 187 flow [2024-10-13 09:52:39,652 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:52:39,657 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;@1d42c4f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:52:39,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-13 09:52:39,676 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:52:39,677 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2024-10-13 09:52:39,677 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:52:39,677 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:39,678 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] [2024-10-13 09:52:39,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 09:52:39,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:39,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1283037401, now seen corresponding path program 1 times [2024-10-13 09:52:39,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:39,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277252235] [2024-10-13 09:52:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:39,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:39,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:39,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277252235] [2024-10-13 09:52:39,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277252235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:39,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:40,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:40,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809273008] [2024-10-13 09:52:40,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:40,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:40,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:40,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:40,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:40,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 93 [2024-10-13 09:52:40,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2024-10-13 09:52:40,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:40,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 93 [2024-10-13 09:52:40,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:40,209 INFO L124 PetriNetUnfolderBase]: 69/322 cut-off events. [2024-10-13 09:52:40,209 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:52:40,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 322 events. 69/322 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1469 event pairs, 50 based on Foata normal form. 21/326 useless extension candidates. Maximal degree in co-relation 444. Up to 133 conditions per place. [2024-10-13 09:52:40,218 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 21 selfloop transitions, 5 changer transitions 0/96 dead transitions. [2024-10-13 09:52:40,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 247 flow [2024-10-13 09:52:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2024-10-13 09:52:40,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8853046594982079 [2024-10-13 09:52:40,236 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 187 flow. Second operand 3 states and 247 transitions. [2024-10-13 09:52:40,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 247 flow [2024-10-13 09:52:40,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 96 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:52:40,242 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 216 flow [2024-10-13 09:52:40,246 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2024-10-13 09:52:40,249 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 1 predicate places. [2024-10-13 09:52:40,251 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 216 flow [2024-10-13 09:52:40,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2024-10-13 09:52:40,252 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:40,252 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] [2024-10-13 09:52:40,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:52:40,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 09:52:40,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1463924664, now seen corresponding path program 1 times [2024-10-13 09:52:40,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:40,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096194542] [2024-10-13 09:52:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:40,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:40,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096194542] [2024-10-13 09:52:40,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096194542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:40,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:40,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:40,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480462031] [2024-10-13 09:52:40,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:40,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:40,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:40,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:40,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:40,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 93 [2024-10-13 09:52:40,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2024-10-13 09:52:40,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:40,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 93 [2024-10-13 09:52:40,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:40,515 INFO L124 PetriNetUnfolderBase]: 92/493 cut-off events. [2024-10-13 09:52:40,516 INFO L125 PetriNetUnfolderBase]: For 60/63 co-relation queries the response was YES. [2024-10-13 09:52:40,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 493 events. 92/493 cut-off events. For 60/63 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2598 event pairs, 61 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 753. Up to 172 conditions per place. [2024-10-13 09:52:40,522 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 26 selfloop transitions, 5 changer transitions 0/101 dead transitions. [2024-10-13 09:52:40,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 101 transitions, 300 flow [2024-10-13 09:52:40,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2024-10-13 09:52:40,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8602150537634409 [2024-10-13 09:52:40,524 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 216 flow. Second operand 3 states and 240 transitions. [2024-10-13 09:52:40,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 101 transitions, 300 flow [2024-10-13 09:52:40,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 101 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:52:40,530 INFO L231 Difference]: Finished difference. Result has 97 places, 95 transitions, 242 flow [2024-10-13 09:52:40,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=97, PETRI_TRANSITIONS=95} [2024-10-13 09:52:40,531 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 3 predicate places. [2024-10-13 09:52:40,531 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 95 transitions, 242 flow [2024-10-13 09:52:40,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2024-10-13 09:52:40,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:40,531 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] [2024-10-13 09:52:40,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:52:40,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 09:52:40,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1147185391, now seen corresponding path program 1 times [2024-10-13 09:52:40,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:40,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538902805] [2024-10-13 09:52:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:40,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538902805] [2024-10-13 09:52:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538902805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:40,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:40,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541075429] [2024-10-13 09:52:40,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:40,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:40,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:40,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:40,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:40,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 93 [2024-10-13 09:52:40,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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) [2024-10-13 09:52:40,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:40,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 93 [2024-10-13 09:52:40,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:40,705 INFO L124 PetriNetUnfolderBase]: 66/484 cut-off events. [2024-10-13 09:52:40,706 INFO L125 PetriNetUnfolderBase]: For 103/105 co-relation queries the response was YES. [2024-10-13 09:52:40,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 484 events. 66/484 cut-off events. For 103/105 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2705 event pairs, 39 based on Foata normal form. 0/460 useless extension candidates. Maximal degree in co-relation 724. Up to 123 conditions per place. [2024-10-13 09:52:40,710 INFO L140 encePairwiseOnDemand]: 89/93 looper letters, 19 selfloop transitions, 3 changer transitions 5/103 dead transitions. [2024-10-13 09:52:40,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 316 flow [2024-10-13 09:52:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2024-10-13 09:52:40,714 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8853046594982079 [2024-10-13 09:52:40,714 INFO L175 Difference]: Start difference. First operand has 97 places, 95 transitions, 242 flow. Second operand 3 states and 247 transitions. [2024-10-13 09:52:40,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 316 flow [2024-10-13 09:52:40,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 103 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:52:40,718 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 256 flow [2024-10-13 09:52:40,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-10-13 09:52:40,720 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2024-10-13 09:52:40,720 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 256 flow [2024-10-13 09:52:40,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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) [2024-10-13 09:52:40,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:40,721 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] [2024-10-13 09:52:40,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:52:40,721 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 09:52:40,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:40,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1898662789, now seen corresponding path program 1 times [2024-10-13 09:52:40,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:40,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989151538] [2024-10-13 09:52:40,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:40,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:40,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:40,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989151538] [2024-10-13 09:52:40,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989151538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:40,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:40,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 09:52:40,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011908827] [2024-10-13 09:52:40,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:40,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:52:40,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:40,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:52:40,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:52:41,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-10-13 09:52:41,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 256 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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) [2024-10-13 09:52:41,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:41,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-10-13 09:52:41,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:41,189 INFO L124 PetriNetUnfolderBase]: 17/253 cut-off events. [2024-10-13 09:52:41,189 INFO L125 PetriNetUnfolderBase]: For 34/36 co-relation queries the response was YES. [2024-10-13 09:52:41,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 253 events. 17/253 cut-off events. For 34/36 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1033 event pairs, 6 based on Foata normal form. 5/251 useless extension candidates. Maximal degree in co-relation 337. Up to 33 conditions per place. [2024-10-13 09:52:41,191 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 8 selfloop transitions, 6 changer transitions 6/96 dead transitions. [2024-10-13 09:52:41,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 96 transitions, 278 flow [2024-10-13 09:52:41,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:52:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:52:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 405 transitions. [2024-10-13 09:52:41,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2024-10-13 09:52:41,193 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 256 flow. Second operand 5 states and 405 transitions. [2024-10-13 09:52:41,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 96 transitions, 278 flow [2024-10-13 09:52:41,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 96 transitions, 260 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-10-13 09:52:41,200 INFO L231 Difference]: Finished difference. Result has 99 places, 89 transitions, 224 flow [2024-10-13 09:52:41,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=224, PETRI_PLACES=99, PETRI_TRANSITIONS=89} [2024-10-13 09:52:41,201 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2024-10-13 09:52:41,201 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 89 transitions, 224 flow [2024-10-13 09:52:41,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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) [2024-10-13 09:52:41,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:41,202 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] [2024-10-13 09:52:41,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:52:41,202 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 09:52:41,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:41,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1024000817, now seen corresponding path program 1 times [2024-10-13 09:52:41,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:41,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413175843] [2024-10-13 09:52:41,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:41,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:41,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:41,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413175843] [2024-10-13 09:52:41,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413175843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:41,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:41,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 09:52:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516965059] [2024-10-13 09:52:41,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:41,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:52:41,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:41,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:52:41,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:52:41,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-10-13 09:52:41,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 89 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 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) [2024-10-13 09:52:41,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:41,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-10-13 09:52:41,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:41,704 INFO L124 PetriNetUnfolderBase]: 7/210 cut-off events. [2024-10-13 09:52:41,705 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-10-13 09:52:41,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 210 events. 7/210 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 597 event pairs, 5 based on Foata normal form. 3/208 useless extension candidates. Maximal degree in co-relation 254. Up to 25 conditions per place. [2024-10-13 09:52:41,709 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2024-10-13 09:52:41,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 88 transitions, 247 flow [2024-10-13 09:52:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:52:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:52:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 403 transitions. [2024-10-13 09:52:41,711 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2024-10-13 09:52:41,711 INFO L175 Difference]: Start difference. First operand has 99 places, 89 transitions, 224 flow. Second operand 5 states and 403 transitions. [2024-10-13 09:52:41,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 88 transitions, 247 flow [2024-10-13 09:52:41,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 88 transitions, 225 flow, removed 4 selfloop flow, removed 7 redundant places. [2024-10-13 09:52:41,712 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2024-10-13 09:52:41,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2024-10-13 09:52:41,713 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 0 predicate places. [2024-10-13 09:52:41,713 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2024-10-13 09:52:41,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 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) [2024-10-13 09:52:41,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2024-10-13 09:52:41,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2024-10-13 09:52:41,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-13 09:52:41,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2024-10-13 09:52:41,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2024-10-13 09:52:41,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:52:41,721 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 09:52:41,729 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:52:41,729 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:52:41,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:52:41 BasicIcfg [2024-10-13 09:52:41,735 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:52:41,735 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:52:41,735 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:52:41,735 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:52:41,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:52:39" (3/4) ... [2024-10-13 09:52:41,739 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:52:41,743 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-13 09:52:41,745 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 09:52:41,745 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:52:41,745 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 09:52:41,745 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:52:41,800 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:52:41,800 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:52:41,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:52:41,801 INFO L158 Benchmark]: Toolchain (without parser) took 3314.45ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 58.7MB in the end (delta: 67.6MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-10-13 09:52:41,801 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 88.2MB in the beginning and 88.0MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:52:41,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.41ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 104.8MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 09:52:41,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.60ms. Allocated memory is still 197.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:52:41,802 INFO L158 Benchmark]: Boogie Preprocessor took 33.83ms. Allocated memory is still 197.1MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:52:41,802 INFO L158 Benchmark]: RCFGBuilder took 388.63ms. Allocated memory is still 197.1MB. Free memory was 101.2MB in the beginning and 83.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 09:52:41,802 INFO L158 Benchmark]: TraceAbstraction took 2235.44ms. Allocated memory is still 197.1MB. Free memory was 82.7MB in the beginning and 62.9MB in the end (delta: 19.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-10-13 09:52:41,803 INFO L158 Benchmark]: Witness Printer took 65.42ms. Allocated memory is still 197.1MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:52:41,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 88.2MB in the beginning and 88.0MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.41ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 104.8MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.60ms. Allocated memory is still 197.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.83ms. Allocated memory is still 197.1MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.63ms. Allocated memory is still 197.1MB. Free memory was 101.2MB in the beginning and 83.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2235.44ms. Allocated memory is still 197.1MB. Free memory was 82.7MB in the beginning and 62.9MB in the end (delta: 19.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 65.42ms. Allocated memory is still 197.1MB. Free memory was 62.9MB in the beginning and 58.7MB 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: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: 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, 115 locations, 5 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: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 403 IncrementalHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 29 mSDtfsCounter, 403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=3, InterpolantAutomatonStates: 19, 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, 0.7s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:52:41,829 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