./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --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/weaver/popl20-mult-equiv.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:46:34,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:46:34,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:46:34,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:46:34,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:46:34,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:46:34,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:46:34,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:46:34,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:46:34,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:46:34,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:46:34,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:46:34,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:46:34,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:46:34,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:46:34,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:46:34,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:46:34,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:46:34,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:46:34,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:46:34,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:46:34,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:46:34,484 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:46:34,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:46:34,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:46:34,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:46:34,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:46:34,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:46:34,486 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:46:34,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:46:34,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:46:34,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:34,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:46:34,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:46:34,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:46:34,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:46:34,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:46:34,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:46:34,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:46:34,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:46:34,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:46:34,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 [2024-11-16 23:46:34,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:46:34,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:46:34,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:46:34,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:46:34,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:46:34,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2024-11-16 23:46:36,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:46:36,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:46:36,416 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2024-11-16 23:46:36,423 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f75eef4/5351278639b64d9fb96abea19e1693ab/FLAGfb118ba9e [2024-11-16 23:46:36,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f75eef4/5351278639b64d9fb96abea19e1693ab [2024-11-16 23:46:36,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:46:36,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:46:36,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:36,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:46:36,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:46:36,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:36" (1/1) ... [2024-11-16 23:46:36,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6b895c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:36, skipping insertion in model container [2024-11-16 23:46:36,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:36" (1/1) ... [2024-11-16 23:46:36,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:46:37,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:37,068 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:46:37,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:37,107 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:46:37,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37 WrapperNode [2024-11-16 23:46:37,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:37,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:37,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:46:37,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:46:37,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,140 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-16 23:46:37,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:37,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:46:37,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:46:37,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:46:37,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:46:37,168 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:46:37,168 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:46:37,168 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:46:37,169 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (1/1) ... [2024-11-16 23:46:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:37,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:46:37,215 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 23:46:37,222 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 23:46:37,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:46:37,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:46:37,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:46:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:46:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:46:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:46:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:46:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:46:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:46:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:46:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:46:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:46:37,263 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 23:46:37,359 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:46:37,361 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:46:37,750 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:46:37,750 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:46:37,845 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:46:37,846 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:46:37,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:37 BoogieIcfgContainer [2024-11-16 23:46:37,846 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:46:37,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:46:37,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:46:37,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:46:37,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:46:36" (1/3) ... [2024-11-16 23:46:37,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72dfe9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:37, skipping insertion in model container [2024-11-16 23:46:37,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:37" (2/3) ... [2024-11-16 23:46:37,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72dfe9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:37, skipping insertion in model container [2024-11-16 23:46:37,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:37" (3/3) ... [2024-11-16 23:46:37,852 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-11-16 23:46:37,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:46:37,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-16 23:46:37,865 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:46:37,909 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:46:37,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 139 transitions, 299 flow [2024-11-16 23:46:37,973 INFO L124 PetriNetUnfolderBase]: 7/136 cut-off events. [2024-11-16 23:46:37,973 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:46:37,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 136 events. 7/136 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 179 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-11-16 23:46:37,978 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 139 transitions, 299 flow [2024-11-16 23:46:37,981 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 119 transitions, 256 flow [2024-11-16 23:46:37,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:46:37,992 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;@162c044d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:46:37,993 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-11-16 23:46:37,997 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:46:37,997 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-16 23:46:37,997 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:46:37,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:37,998 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] [2024-11-16 23:46:37,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:46:38,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1742996151, now seen corresponding path program 1 times [2024-11-16 23:46:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674941775] [2024-11-16 23:46:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,123 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 23:46:38,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674941775] [2024-11-16 23:46:38,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674941775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124882901] [2024-11-16 23:46:38,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 139 [2024-11-16 23:46:38,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 119 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 139 [2024-11-16 23:46:38,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,278 INFO L124 PetriNetUnfolderBase]: 95/295 cut-off events. [2024-11-16 23:46:38,278 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-16 23:46:38,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 295 events. 95/295 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1063 event pairs, 54 based on Foata normal form. 28/288 useless extension candidates. Maximal degree in co-relation 382. Up to 151 conditions per place. [2024-11-16 23:46:38,282 INFO L140 encePairwiseOnDemand]: 111/139 looper letters, 18 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2024-11-16 23:46:38,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 93 transitions, 244 flow [2024-11-16 23:46:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2024-11-16 23:46:38,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7577937649880095 [2024-11-16 23:46:38,319 INFO L175 Difference]: Start difference. First operand has 123 places, 119 transitions, 256 flow. Second operand 3 states and 316 transitions. [2024-11-16 23:46:38,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 93 transitions, 244 flow [2024-11-16 23:46:38,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 93 transitions, 232 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:46:38,330 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 196 flow [2024-11-16 23:46:38,336 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2024-11-16 23:46:38,343 INFO L277 CegarLoopForPetriNet]: 123 programPoint places, -27 predicate places. [2024-11-16 23:46:38,345 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 196 flow [2024-11-16 23:46:38,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,345 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] [2024-11-16 23:46:38,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:46:38,346 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:46:38,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,346 INFO L85 PathProgramCache]: Analyzing trace with hash 301192120, now seen corresponding path program 1 times [2024-11-16 23:46:38,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968591935] [2024-11-16 23:46:38,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,412 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 23:46:38,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968591935] [2024-11-16 23:46:38,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968591935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016191267] [2024-11-16 23:46:38,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 139 [2024-11-16 23:46:38,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 23:46:38,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 139 [2024-11-16 23:46:38,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,472 INFO L124 PetriNetUnfolderBase]: 71/280 cut-off events. [2024-11-16 23:46:38,472 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-16 23:46:38,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 280 events. 71/280 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 990 event pairs, 36 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 383. Up to 113 conditions per place. [2024-11-16 23:46:38,474 INFO L140 encePairwiseOnDemand]: 136/139 looper letters, 16 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-11-16 23:46:38,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 92 transitions, 230 flow [2024-11-16 23:46:38,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2024-11-16 23:46:38,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7074340527577938 [2024-11-16 23:46:38,477 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 196 flow. Second operand 3 states and 295 transitions. [2024-11-16 23:46:38,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 92 transitions, 230 flow [2024-11-16 23:46:38,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 92 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:38,479 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 194 flow [2024-11-16 23:46:38,479 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=190, 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=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2024-11-16 23:46:38,479 INFO L277 CegarLoopForPetriNet]: 123 programPoint places, -28 predicate places. [2024-11-16 23:46:38,480 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 194 flow [2024-11-16 23:46:38,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 23:46:38,480 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,480 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] [2024-11-16 23:46:38,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:46:38,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:46:38,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2002168117, now seen corresponding path program 1 times [2024-11-16 23:46:38,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401048086] [2024-11-16 23:46:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,509 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 23:46:38,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401048086] [2024-11-16 23:46:38,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401048086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851422386] [2024-11-16 23:46:38,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 139 [2024-11-16 23:46:38,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 23:46:38,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 139 [2024-11-16 23:46:38,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,577 INFO L124 PetriNetUnfolderBase]: 122/375 cut-off events. [2024-11-16 23:46:38,577 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-16 23:46:38,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 375 events. 122/375 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1596 event pairs, 56 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 547. Up to 151 conditions per place. [2024-11-16 23:46:38,579 INFO L140 encePairwiseOnDemand]: 134/139 looper letters, 24 selfloop transitions, 3 changer transitions 0/99 dead transitions. [2024-11-16 23:46:38,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 99 transitions, 264 flow [2024-11-16 23:46:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2024-11-16 23:46:38,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7314148681055156 [2024-11-16 23:46:38,581 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 194 flow. Second operand 3 states and 305 transitions. [2024-11-16 23:46:38,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 99 transitions, 264 flow [2024-11-16 23:46:38,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:38,584 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 199 flow [2024-11-16 23:46:38,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=186, 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=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-11-16 23:46:38,584 INFO L277 CegarLoopForPetriNet]: 123 programPoint places, -29 predicate places. [2024-11-16 23:46:38,584 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 199 flow [2024-11-16 23:46:38,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 23:46:38,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,585 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] [2024-11-16 23:46:38,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:46:38,585 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:46:38,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash -742002809, now seen corresponding path program 1 times [2024-11-16 23:46:38,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805690850] [2024-11-16 23:46:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,613 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 23:46:38,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805690850] [2024-11-16 23:46:38,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805690850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363026349] [2024-11-16 23:46:38,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,634 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 139 [2024-11-16 23:46:38,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 23:46:38,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 139 [2024-11-16 23:46:38,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,750 INFO L124 PetriNetUnfolderBase]: 60/240 cut-off events. [2024-11-16 23:46:38,750 INFO L125 PetriNetUnfolderBase]: For 56/65 co-relation queries the response was YES. [2024-11-16 23:46:38,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 240 events. 60/240 cut-off events. For 56/65 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 843 event pairs, 38 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 223. Up to 102 conditions per place. [2024-11-16 23:46:38,752 INFO L140 encePairwiseOnDemand]: 136/139 looper letters, 16 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-11-16 23:46:38,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 90 transitions, 233 flow [2024-11-16 23:46:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2024-11-16 23:46:38,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7074340527577938 [2024-11-16 23:46:38,758 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 199 flow. Second operand 3 states and 295 transitions. [2024-11-16 23:46:38,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 90 transitions, 233 flow [2024-11-16 23:46:38,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 90 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:38,762 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 198 flow [2024-11-16 23:46:38,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=92, 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=198, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2024-11-16 23:46:38,762 INFO L277 CegarLoopForPetriNet]: 123 programPoint places, -29 predicate places. [2024-11-16 23:46:38,763 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 198 flow [2024-11-16 23:46:38,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 23:46:38,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:38,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:46:38,763 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:46:38,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2034239509, now seen corresponding path program 1 times [2024-11-16 23:46:38,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618203351] [2024-11-16 23:46:38,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,962 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 23:46:38,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618203351] [2024-11-16 23:46:38,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618203351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943121530] [2024-11-16 23:46:38,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 139 [2024-11-16 23:46:38,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 23:46:38,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 139 [2024-11-16 23:46:38,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:39,054 INFO L124 PetriNetUnfolderBase]: 60/239 cut-off events. [2024-11-16 23:46:39,055 INFO L125 PetriNetUnfolderBase]: For 21/30 co-relation queries the response was YES. [2024-11-16 23:46:39,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 239 events. 60/239 cut-off events. For 21/30 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 841 event pairs, 38 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 330. Up to 99 conditions per place. [2024-11-16 23:46:39,060 INFO L140 encePairwiseOnDemand]: 137/139 looper letters, 14 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2024-11-16 23:46:39,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 89 transitions, 226 flow [2024-11-16 23:46:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2024-11-16 23:46:39,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7290167865707434 [2024-11-16 23:46:39,062 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 198 flow. Second operand 3 states and 304 transitions. [2024-11-16 23:46:39,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 89 transitions, 226 flow [2024-11-16 23:46:39,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 89 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:39,063 INFO L231 Difference]: Finished difference. Result has 93 places, 89 transitions, 194 flow [2024-11-16 23:46:39,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=93, PETRI_TRANSITIONS=89} [2024-11-16 23:46:39,069 INFO L277 CegarLoopForPetriNet]: 123 programPoint places, -30 predicate places. [2024-11-16 23:46:39,069 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 89 transitions, 194 flow [2024-11-16 23:46:39,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 23:46:39,070 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:39,070 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:39,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:46:39,070 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:46:39,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:39,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1374546010, now seen corresponding path program 1 times [2024-11-16 23:46:39,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:39,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544811720] [2024-11-16 23:46:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:39,192 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 23:46:39,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:39,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544811720] [2024-11-16 23:46:39,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544811720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:39,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:39,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:39,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749703082] [2024-11-16 23:46:39,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:39,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:39,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:39,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:39,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:39,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 139 [2024-11-16 23:46:39,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 89 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 23:46:39,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:39,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 139 [2024-11-16 23:46:39,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:39,266 INFO L124 PetriNetUnfolderBase]: 60/238 cut-off events. [2024-11-16 23:46:39,270 INFO L125 PetriNetUnfolderBase]: For 21/30 co-relation queries the response was YES. [2024-11-16 23:46:39,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 238 events. 60/238 cut-off events. For 21/30 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 845 event pairs, 38 based on Foata normal form. 1/211 useless extension candidates. Maximal degree in co-relation 362. Up to 99 conditions per place. [2024-11-16 23:46:39,271 INFO L140 encePairwiseOnDemand]: 137/139 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2024-11-16 23:46:39,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 88 transitions, 220 flow [2024-11-16 23:46:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-16 23:46:39,273 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7266187050359713 [2024-11-16 23:46:39,273 INFO L175 Difference]: Start difference. First operand has 93 places, 89 transitions, 194 flow. Second operand 3 states and 303 transitions. [2024-11-16 23:46:39,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 88 transitions, 220 flow [2024-11-16 23:46:39,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 88 transitions, 219 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:39,274 INFO L231 Difference]: Finished difference. Result has 93 places, 0 transitions, 0 flow [2024-11-16 23:46:39,274 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=93, PETRI_TRANSITIONS=0} [2024-11-16 23:46:39,274 INFO L277 CegarLoopForPetriNet]: 123 programPoint places, -30 predicate places. [2024-11-16 23:46:39,274 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 0 transitions, 0 flow [2024-11-16 23:46:39,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 23:46:39,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (54 of 55 remaining) [2024-11-16 23:46:39,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2024-11-16 23:46:39,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2024-11-16 23:46:39,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2024-11-16 23:46:39,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2024-11-16 23:46:39,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2024-11-16 23:46:39,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2024-11-16 23:46:39,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2024-11-16 23:46:39,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2024-11-16 23:46:39,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2024-11-16 23:46:39,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2024-11-16 23:46:39,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2024-11-16 23:46:39,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2024-11-16 23:46:39,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2024-11-16 23:46:39,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2024-11-16 23:46:39,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2024-11-16 23:46:39,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2024-11-16 23:46:39,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2024-11-16 23:46:39,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2024-11-16 23:46:39,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2024-11-16 23:46:39,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2024-11-16 23:46:39,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2024-11-16 23:46:39,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2024-11-16 23:46:39,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2024-11-16 23:46:39,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2024-11-16 23:46:39,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2024-11-16 23:46:39,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2024-11-16 23:46:39,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:46:39,299 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-16 23:46:39,309 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:46:39,309 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:46:39,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:46:39 BasicIcfg [2024-11-16 23:46:39,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:46:39,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:46:39,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:46:39,316 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:46:39,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:37" (3/4) ... [2024-11-16 23:46:39,321 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:46:39,323 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:46:39,323 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:46:39,323 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:46:39,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-16 23:46:39,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:46:39,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:46:39,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:46:39,402 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:46:39,402 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:46:39,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:46:39,402 INFO L158 Benchmark]: Toolchain (without parser) took 2579.91ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 86.7MB in the beginning and 93.8MB in the end (delta: -7.1MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2024-11-16 23:46:39,403 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:39,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.34ms. Allocated memory is still 159.4MB. Free memory was 86.4MB in the beginning and 72.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:46:39,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.70ms. Allocated memory is still 159.4MB. Free memory was 72.9MB in the beginning and 71.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:39,403 INFO L158 Benchmark]: Boogie Preprocessor took 22.27ms. Allocated memory is still 159.4MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:39,403 INFO L158 Benchmark]: IcfgBuilder took 678.43ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 70.1MB in the beginning and 205.3MB in the end (delta: -135.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-16 23:46:39,403 INFO L158 Benchmark]: TraceAbstraction took 1467.95ms. Allocated memory is still 253.8MB. Free memory was 204.2MB in the beginning and 98.0MB in the end (delta: 106.3MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. [2024-11-16 23:46:39,403 INFO L158 Benchmark]: Witness Printer took 85.83ms. Allocated memory is still 253.8MB. Free memory was 98.0MB in the beginning and 93.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:46:39,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.34ms. Allocated memory is still 159.4MB. Free memory was 86.4MB in the beginning and 72.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.70ms. Allocated memory is still 159.4MB. Free memory was 72.9MB in the beginning and 71.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.27ms. Allocated memory is still 159.4MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 678.43ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 70.1MB in the beginning and 205.3MB in the end (delta: -135.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1467.95ms. Allocated memory is still 253.8MB. Free memory was 204.2MB in the beginning and 98.0MB in the end (delta: 106.3MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. * Witness Printer took 85.83ms. Allocated memory is still 253.8MB. Free memory was 98.0MB in the beginning and 93.8MB 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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 7 procedures, 185 locations, 55 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 13 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:46:39,427 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