./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-theta/unwind1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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-theta/unwind1-1.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 369675afdce9f24a16d648c2af0379dafe84b15f75fb11d38697f731d0b5b69e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:53:28,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:53:28,636 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:53:28,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:53:28,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:53:28,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:53:28,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:53:28,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:53:28,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:53:28,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:53:28,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:53:28,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:53:28,665 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:53:28,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:53:28,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:53:28,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:53:28,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:53:28,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:53:28,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:53:28,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:53:28,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:53:28,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:53:28,671 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:53:28,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:53:28,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:53:28,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:53:28,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:53:28,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:53:28,672 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:53:28,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:53:28,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:53:28,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:53:28,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:53:28,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:53:28,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:53:28,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:53:28,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:53:28,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:53:28,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:53:28,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:53:28,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:53:28,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 369675afdce9f24a16d648c2af0379dafe84b15f75fb11d38697f731d0b5b69e [2024-11-16 23:53:28,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:53:28,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:53:28,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:53:28,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:53:28,909 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:53:28,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-theta/unwind1-1.i [2024-11-16 23:53:30,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:53:30,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:53:30,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-theta/unwind1-1.i [2024-11-16 23:53:30,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/483b8d891/a263c72b7baf4ad196d8f2849e83e762/FLAG3a2481891 [2024-11-16 23:53:30,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/483b8d891/a263c72b7baf4ad196d8f2849e83e762 [2024-11-16 23:53:30,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:53:30,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:53:30,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:53:30,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:53:30,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:53:30,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:30" (1/1) ... [2024-11-16 23:53:30,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa624f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:30, skipping insertion in model container [2024-11-16 23:53:30,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:30" (1/1) ... [2024-11-16 23:53:30,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:53:31,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:53:31,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:53:31,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:53:31,219 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:53:31,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31 WrapperNode [2024-11-16 23:53:31,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:53:31,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:53:31,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:53:31,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:53:31,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,255 INFO L138 Inliner]: procedures = 169, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-16 23:53:31,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:53:31,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:53:31,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:53:31,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:53:31,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,276 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:53:31,281 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:53:31,281 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:53:31,281 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:53:31,282 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (1/1) ... [2024-11-16 23:53:31,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:53:31,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:53:31,312 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) [2024-11-16 23:53:31,320 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 [2024-11-16 23:53:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:53:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-16 23:53:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-16 23:53:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-16 23:53:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-16 23:53:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:53:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:53:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:53:31,360 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:53:31,541 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:53:31,543 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:53:31,707 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:53:31,707 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:53:31,727 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:53:31,728 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:53:31,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:53:31 BoogieIcfgContainer [2024-11-16 23:53:31,728 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:53:31,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:53:31,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:53:31,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:53:31,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:53:30" (1/3) ... [2024-11-16 23:53:31,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a056feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:53:31, skipping insertion in model container [2024-11-16 23:53:31,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:31" (2/3) ... [2024-11-16 23:53:31,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a056feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:53:31, skipping insertion in model container [2024-11-16 23:53:31,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:53:31" (3/3) ... [2024-11-16 23:53:31,734 INFO L112 eAbstractionObserver]: Analyzing ICFG unwind1-1.i [2024-11-16 23:53:31,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:53:31,745 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-16 23:53:31,745 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:53:31,806 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:53:31,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 104 transitions, 222 flow [2024-11-16 23:53:31,893 INFO L124 PetriNetUnfolderBase]: 7/102 cut-off events. [2024-11-16 23:53:31,893 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:53:31,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 102 events. 7/102 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 123 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2024-11-16 23:53:31,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 104 transitions, 222 flow [2024-11-16 23:53:31,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 97 transitions, 203 flow [2024-11-16 23:53:31,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:53:31,912 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;@71e02ff7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:53:31,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-16 23:53:31,920 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:53:31,920 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2024-11-16 23:53:31,920 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:53:31,920 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:53:31,921 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:31,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-16 23:53:31,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1542104726, now seen corresponding path program 1 times [2024-11-16 23:53:31,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:31,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690470422] [2024-11-16 23:53:31,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:31,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:53:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:53:32,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:53:32,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690470422] [2024-11-16 23:53:32,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690470422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:53:32,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:53:32,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:53:32,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550689019] [2024-11-16 23:53:32,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:53:32,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:53:32,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:53:32,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:53:32,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:53:32,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 104 [2024-11-16 23:53:32,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 97 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2024-11-16 23:53:32,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:53:32,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 104 [2024-11-16 23:53:32,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:53:32,219 INFO L124 PetriNetUnfolderBase]: 12/118 cut-off events. [2024-11-16 23:53:32,220 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-16 23:53:32,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 118 events. 12/118 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 282 event pairs, 7 based on Foata normal form. 12/114 useless extension candidates. Maximal degree in co-relation 104. Up to 30 conditions per place. [2024-11-16 23:53:32,223 INFO L140 encePairwiseOnDemand]: 97/104 looper letters, 13 selfloop transitions, 2 changer transitions 1/90 dead transitions. [2024-11-16 23:53:32,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 90 transitions, 219 flow [2024-11-16 23:53:32,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:53:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:53:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2024-11-16 23:53:32,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.842948717948718 [2024-11-16 23:53:32,236 INFO L175 Difference]: Start difference. First operand has 97 places, 97 transitions, 203 flow. Second operand 3 states and 263 transitions. [2024-11-16 23:53:32,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 90 transitions, 219 flow [2024-11-16 23:53:32,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 90 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:53:32,241 INFO L231 Difference]: Finished difference. Result has 93 places, 89 transitions, 186 flow [2024-11-16 23:53:32,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=93, PETRI_TRANSITIONS=89} [2024-11-16 23:53:32,244 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -4 predicate places. [2024-11-16 23:53:32,244 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 89 transitions, 186 flow [2024-11-16 23:53:32,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2024-11-16 23:53:32,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:53:32,245 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:32,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:53:32,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-16 23:53:32,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:32,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1871609302, now seen corresponding path program 1 times [2024-11-16 23:53:32,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:32,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070868415] [2024-11-16 23:53:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:53:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:53:32,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:53:32,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070868415] [2024-11-16 23:53:32,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070868415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:53:32,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:53:32,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:53:32,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737048222] [2024-11-16 23:53:32,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:53:32,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:53:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:53:32,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:53:32,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:53:32,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 104 [2024-11-16 23:53:32,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 89 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2024-11-16 23:53:32,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:53:32,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 104 [2024-11-16 23:53:32,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:53:32,388 INFO L124 PetriNetUnfolderBase]: 23/191 cut-off events. [2024-11-16 23:53:32,392 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:53:32,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 191 events. 23/191 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 661 event pairs, 17 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 241. Up to 52 conditions per place. [2024-11-16 23:53:32,393 INFO L140 encePairwiseOnDemand]: 98/104 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2024-11-16 23:53:32,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 84 transitions, 208 flow [2024-11-16 23:53:32,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:53:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:53:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2024-11-16 23:53:32,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8076923076923077 [2024-11-16 23:53:32,401 INFO L175 Difference]: Start difference. First operand has 93 places, 89 transitions, 186 flow. Second operand 3 states and 252 transitions. [2024-11-16 23:53:32,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 84 transitions, 208 flow [2024-11-16 23:53:32,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 84 transitions, 204 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:53:32,403 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2024-11-16 23:53:32,403 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=85, 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=87, PETRI_TRANSITIONS=0} [2024-11-16 23:53:32,404 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -10 predicate places. [2024-11-16 23:53:32,404 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2024-11-16 23:53:32,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2024-11-16 23:53:32,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2024-11-16 23:53:32,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-16 23:53:32,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-16 23:53:32,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2024-11-16 23:53:32,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2024-11-16 23:53:32,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-11-16 23:53:32,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-16 23:53:32,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-11-16 23:53:32,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-11-16 23:53:32,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-16 23:53:32,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-16 23:53:32,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:53:32,413 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 23:53:32,423 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:53:32,423 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:53:32,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:53:32 BasicIcfg [2024-11-16 23:53:32,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:53:32,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:53:32,433 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:53:32,433 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:53:32,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:53:31" (3/4) ... [2024-11-16 23:53:32,435 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:53:32,438 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-16 23:53:32,439 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-16 23:53:32,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-16 23:53:32,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:53:32,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:53:32,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:53:32,517 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:53:32,517 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:53:32,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:53:32,518 INFO L158 Benchmark]: Toolchain (without parser) took 1712.29ms. Allocated memory is still 190.8MB. Free memory was 121.5MB in the beginning and 95.1MB in the end (delta: 26.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-11-16 23:53:32,518 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 113.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:53:32,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.83ms. Allocated memory is still 190.8MB. Free memory was 121.2MB in the beginning and 98.7MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:53:32,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.05ms. Allocated memory is still 190.8MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:53:32,519 INFO L158 Benchmark]: Boogie Preprocessor took 24.56ms. Allocated memory is still 190.8MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:53:32,519 INFO L158 Benchmark]: IcfgBuilder took 447.26ms. Allocated memory is still 190.8MB. Free memory was 95.3MB in the beginning and 151.7MB in the end (delta: -56.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-16 23:53:32,519 INFO L158 Benchmark]: TraceAbstraction took 703.15ms. Allocated memory is still 190.8MB. Free memory was 150.7MB in the beginning and 99.3MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-16 23:53:32,519 INFO L158 Benchmark]: Witness Printer took 84.18ms. Allocated memory is still 190.8MB. Free memory was 99.3MB in the beginning and 95.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:53:32,520 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 117.4MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 113.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.83ms. Allocated memory is still 190.8MB. Free memory was 121.2MB in the beginning and 98.7MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.05ms. Allocated memory is still 190.8MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.56ms. Allocated memory is still 190.8MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 447.26ms. Allocated memory is still 190.8MB. Free memory was 95.3MB in the beginning and 151.7MB in the end (delta: -56.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 703.15ms. Allocated memory is still 190.8MB. Free memory was 150.7MB in the beginning and 99.3MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 84.18ms. Allocated memory is still 190.8MB. Free memory was 99.3MB in the beginning and 95.1MB 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: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: 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 5 procedures, 144 locations, 11 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 6 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=203occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:53:32,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE