./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.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 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:28:25,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:28:25,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:28:25,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:28:25,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:28:25,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:28:25,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:28:25,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:28:25,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:28:25,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:28:25,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:28:25,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:28:25,673 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:28:25,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:28:25,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:28:25,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:28:25,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:28:25,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:28:25,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:28:25,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:28:25,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:28:25,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:28:25,678 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:28:25,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:28:25,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:28:25,679 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:28:25,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:28:25,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:28:25,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:28:25,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:28:25,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:28:25,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:28:25,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:28:25,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:28:25,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:28:25,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:28:25,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:28:25,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:28:25,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:28:25,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:28:25,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:28:25,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 [2024-10-13 09:28:25,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:28:25,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:28:25,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:28:25,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:28:25,911 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:28:25,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2024-10-13 09:28:27,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:28:27,335 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:28:27,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2024-10-13 09:28:27,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb63e0755/4fd00bf100cf4c62bbf9946cb11ef70d/FLAG910322053 [2024-10-13 09:28:27,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb63e0755/4fd00bf100cf4c62bbf9946cb11ef70d [2024-10-13 09:28:27,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:28:27,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:28:27,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:28:27,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:28:27,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:28:27,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:28:27" (1/1) ... [2024-10-13 09:28:27,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56bff825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:27, skipping insertion in model container [2024-10-13 09:28:27,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:28:27" (1/1) ... [2024-10-13 09:28:27,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:28:28,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:28:28,067 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:28:28,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:28:28,142 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:28:28,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28 WrapperNode [2024-10-13 09:28:28,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:28:28,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:28:28,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:28:28,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:28:28,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,186 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2024-10-13 09:28:28,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:28:28,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:28:28,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:28:28,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:28:28,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:28:28,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:28:28,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:28:28,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:28:28,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (1/1) ... [2024-10-13 09:28:28,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:28:28,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:28:28,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:28:28,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:28:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-10-13 09:28:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-10-13 09:28:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:28:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:28:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-10-13 09:28:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-10-13 09:28:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-10-13 09:28:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:28:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:28:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:28:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:28:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-13 09:28:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-13 09:28:28,299 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:28:28,423 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:28:28,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:28:28,563 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:28:28,563 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:28:28,594 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:28:28,594 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:28:28,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:28:28 BoogieIcfgContainer [2024-10-13 09:28:28,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:28:28,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:28:28,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:28:28,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:28:28,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:28:27" (1/3) ... [2024-10-13 09:28:28,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf9ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:28:28, skipping insertion in model container [2024-10-13 09:28:28,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:28:28" (2/3) ... [2024-10-13 09:28:28,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf9ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:28:28, skipping insertion in model container [2024-10-13 09:28:28,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:28:28" (3/3) ... [2024-10-13 09:28:28,602 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1-pthread.i [2024-10-13 09:28:28,616 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:28:28,616 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-13 09:28:28,616 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:28:28,675 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-13 09:28:28,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 135 transitions, 298 flow [2024-10-13 09:28:28,765 INFO L124 PetriNetUnfolderBase]: 4/131 cut-off events. [2024-10-13 09:28:28,766 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 09:28:28,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 131 events. 4/131 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 224 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-10-13 09:28:28,773 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 135 transitions, 298 flow [2024-10-13 09:28:28,777 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 126 transitions, 273 flow [2024-10-13 09:28:28,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:28:28,790 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;@3fdfb6f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:28:28,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-10-13 09:28:28,801 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:28:28,801 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-10-13 09:28:28,801 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:28:28,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:28,802 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] [2024-10-13 09:28:28,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-10-13 09:28:28,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1763170502, now seen corresponding path program 1 times [2024-10-13 09:28:28,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:28,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782011859] [2024-10-13 09:28:28,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:28,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:29,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:29,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782011859] [2024-10-13 09:28:29,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782011859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:29,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:29,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:28:29,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166201113] [2024-10-13 09:28:29,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:29,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:28:29,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:29,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:28:29,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:28:29,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 135 [2024-10-13 09:28:29,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 126 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:29,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:29,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 135 [2024-10-13 09:28:29,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:30,470 INFO L124 PetriNetUnfolderBase]: 5880/12092 cut-off events. [2024-10-13 09:28:30,471 INFO L125 PetriNetUnfolderBase]: For 1033/1033 co-relation queries the response was YES. [2024-10-13 09:28:30,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21395 conditions, 12092 events. 5880/12092 cut-off events. For 1033/1033 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 112670 event pairs, 4266 based on Foata normal form. 1107/12159 useless extension candidates. Maximal degree in co-relation 21036. Up to 6922 conditions per place. [2024-10-13 09:28:30,546 INFO L140 encePairwiseOnDemand]: 114/135 looper letters, 40 selfloop transitions, 8 changer transitions 1/132 dead transitions. [2024-10-13 09:28:30,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 132 transitions, 392 flow [2024-10-13 09:28:30,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:28:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:28:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2024-10-13 09:28:30,556 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8716049382716049 [2024-10-13 09:28:30,557 INFO L175 Difference]: Start difference. First operand has 135 places, 126 transitions, 273 flow. Second operand 3 states and 353 transitions. [2024-10-13 09:28:30,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 132 transitions, 392 flow [2024-10-13 09:28:30,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 132 transitions, 374 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-10-13 09:28:30,567 INFO L231 Difference]: Finished difference. Result has 122 places, 118 transitions, 291 flow [2024-10-13 09:28:30,568 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=291, PETRI_PLACES=122, PETRI_TRANSITIONS=118} [2024-10-13 09:28:30,571 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -13 predicate places. [2024-10-13 09:28:30,572 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 118 transitions, 291 flow [2024-10-13 09:28:30,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:30,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:30,572 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] [2024-10-13 09:28:30,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:28:30,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-10-13 09:28:30,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:30,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1081744540, now seen corresponding path program 1 times [2024-10-13 09:28:30,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:30,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998296006] [2024-10-13 09:28:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:30,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:30,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:30,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998296006] [2024-10-13 09:28:30,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998296006] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:30,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:30,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:28:30,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709804944] [2024-10-13 09:28:30,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:30,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:28:30,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:30,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:28:30,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:28:30,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 135 [2024-10-13 09:28:30,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 118 transitions, 291 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:30,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:30,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 135 [2024-10-13 09:28:30,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:30,925 INFO L124 PetriNetUnfolderBase]: 360/1099 cut-off events. [2024-10-13 09:28:30,926 INFO L125 PetriNetUnfolderBase]: For 297/474 co-relation queries the response was YES. [2024-10-13 09:28:30,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2296 conditions, 1099 events. 360/1099 cut-off events. For 297/474 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7994 event pairs, 255 based on Foata normal form. 437/1388 useless extension candidates. Maximal degree in co-relation 1307. Up to 584 conditions per place. [2024-10-13 09:28:30,932 INFO L140 encePairwiseOnDemand]: 127/135 looper letters, 22 selfloop transitions, 2 changer transitions 2/104 dead transitions. [2024-10-13 09:28:30,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 104 transitions, 313 flow [2024-10-13 09:28:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:28:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:28:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2024-10-13 09:28:30,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7950617283950617 [2024-10-13 09:28:30,934 INFO L175 Difference]: Start difference. First operand has 122 places, 118 transitions, 291 flow. Second operand 3 states and 322 transitions. [2024-10-13 09:28:30,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 104 transitions, 313 flow [2024-10-13 09:28:30,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 104 transitions, 299 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:28:30,939 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 243 flow [2024-10-13 09:28:30,939 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-10-13 09:28:30,940 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -31 predicate places. [2024-10-13 09:28:30,940 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 243 flow [2024-10-13 09:28:30,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:30,942 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:30,942 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] [2024-10-13 09:28:30,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:28:30,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-10-13 09:28:30,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:30,944 INFO L85 PathProgramCache]: Analyzing trace with hash 468038780, now seen corresponding path program 2 times [2024-10-13 09:28:30,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:30,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930888198] [2024-10-13 09:28:30,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:30,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:31,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:31,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930888198] [2024-10-13 09:28:31,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930888198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:31,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:31,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:28:31,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066863450] [2024-10-13 09:28:31,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:31,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:28:31,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:31,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:28:31,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:28:31,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 135 [2024-10-13 09:28:31,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:31,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:31,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 135 [2024-10-13 09:28:31,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:31,141 INFO L124 PetriNetUnfolderBase]: 4/105 cut-off events. [2024-10-13 09:28:31,141 INFO L125 PetriNetUnfolderBase]: For 9/14 co-relation queries the response was YES. [2024-10-13 09:28:31,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 105 events. 4/105 cut-off events. For 9/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 161 event pairs, 0 based on Foata normal form. 8/110 useless extension candidates. Maximal degree in co-relation 123. Up to 10 conditions per place. [2024-10-13 09:28:31,143 INFO L140 encePairwiseOnDemand]: 131/135 looper letters, 6 selfloop transitions, 1 changer transitions 9/75 dead transitions. [2024-10-13 09:28:31,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 75 transitions, 193 flow [2024-10-13 09:28:31,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:28:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:28:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-10-13 09:28:31,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7555555555555555 [2024-10-13 09:28:31,144 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 243 flow. Second operand 3 states and 306 transitions. [2024-10-13 09:28:31,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 75 transitions, 193 flow [2024-10-13 09:28:31,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 75 transitions, 185 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-10-13 09:28:31,147 INFO L231 Difference]: Finished difference. Result has 83 places, 65 transitions, 140 flow [2024-10-13 09:28:31,148 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=83, PETRI_TRANSITIONS=65} [2024-10-13 09:28:31,148 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -52 predicate places. [2024-10-13 09:28:31,148 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 65 transitions, 140 flow [2024-10-13 09:28:31,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:31,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:28:31,149 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] [2024-10-13 09:28:31,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:28:31,149 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-10-13 09:28:31,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:28:31,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1105971513, now seen corresponding path program 1 times [2024-10-13 09:28:31,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:28:31,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856686329] [2024-10-13 09:28:31,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:28:31,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:28:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:28:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:28:31,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:28:31,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856686329] [2024-10-13 09:28:31,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856686329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:28:31,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:28:31,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:28:31,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380765320] [2024-10-13 09:28:31,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:28:31,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:28:31,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:28:31,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:28:31,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:28:31,213 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 135 [2024-10-13 09:28:31,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 65 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:31,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:28:31,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 135 [2024-10-13 09:28:31,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:28:31,225 INFO L124 PetriNetUnfolderBase]: 5/76 cut-off events. [2024-10-13 09:28:31,226 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-13 09:28:31,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 76 events. 5/76 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 85 event pairs, 3 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 82. Up to 14 conditions per place. [2024-10-13 09:28:31,226 INFO L140 encePairwiseOnDemand]: 132/135 looper letters, 0 selfloop transitions, 0 changer transitions 65/65 dead transitions. [2024-10-13 09:28:31,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 65 transitions, 162 flow [2024-10-13 09:28:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:28:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:28:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-10-13 09:28:31,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7160493827160493 [2024-10-13 09:28:31,228 INFO L175 Difference]: Start difference. First operand has 83 places, 65 transitions, 140 flow. Second operand 3 states and 290 transitions. [2024-10-13 09:28:31,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 65 transitions, 162 flow [2024-10-13 09:28:31,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 65 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:28:31,229 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2024-10-13 09:28:31,229 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2024-10-13 09:28:31,230 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -60 predicate places. [2024-10-13 09:28:31,230 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2024-10-13 09:28:31,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:28:31,234 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (18 of 19 remaining) [2024-10-13 09:28:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2024-10-13 09:28:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2024-10-13 09:28:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2024-10-13 09:28:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 19 remaining) [2024-10-13 09:28:31,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 19 remaining) [2024-10-13 09:28:31,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 19 remaining) [2024-10-13 09:28:31,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 19 remaining) [2024-10-13 09:28:31,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2024-10-13 09:28:31,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2024-10-13 09:28:31,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining) [2024-10-13 09:28:31,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (7 of 19 remaining) [2024-10-13 09:28:31,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (6 of 19 remaining) [2024-10-13 09:28:31,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2024-10-13 09:28:31,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2024-10-13 09:28:31,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2024-10-13 09:28:31,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2024-10-13 09:28:31,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2024-10-13 09:28:31,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2024-10-13 09:28:31,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:28:31,239 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-10-13 09:28:31,244 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:28:31,244 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:28:31,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:28:31 BasicIcfg [2024-10-13 09:28:31,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:28:31,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:28:31,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:28:31,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:28:31,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:28:28" (3/4) ... [2024-10-13 09:28:31,256 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:28:31,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-10-13 09:28:31,259 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-10-13 09:28:31,261 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-13 09:28:31,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:28:31,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 09:28:31,263 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:28:31,340 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:28:31,341 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:28:31,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:28:31,342 INFO L158 Benchmark]: Toolchain (without parser) took 3622.32ms. Allocated memory was 153.1MB in the beginning and 320.9MB in the end (delta: 167.8MB). Free memory was 96.0MB in the beginning and 93.3MB in the end (delta: 2.7MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. [2024-10-13 09:28:31,342 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:28:31,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.35ms. Allocated memory is still 153.1MB. Free memory was 96.0MB in the beginning and 73.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 09:28:31,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.16ms. Allocated memory is still 153.1MB. Free memory was 73.2MB in the beginning and 70.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:28:31,343 INFO L158 Benchmark]: Boogie Preprocessor took 30.35ms. Allocated memory is still 153.1MB. Free memory was 70.9MB in the beginning and 69.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:28:31,343 INFO L158 Benchmark]: RCFGBuilder took 375.11ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 69.2MB in the beginning and 168.9MB in the end (delta: -99.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-10-13 09:28:31,343 INFO L158 Benchmark]: TraceAbstraction took 2656.19ms. Allocated memory was 207.6MB in the beginning and 320.9MB in the end (delta: 113.2MB). Free memory was 167.9MB in the beginning and 97.5MB in the end (delta: 70.3MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. [2024-10-13 09:28:31,343 INFO L158 Benchmark]: Witness Printer took 88.07ms. Allocated memory is still 320.9MB. Free memory was 97.5MB in the beginning and 93.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:28:31,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.35ms. Allocated memory is still 153.1MB. Free memory was 96.0MB in the beginning and 73.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.16ms. Allocated memory is still 153.1MB. Free memory was 73.2MB in the beginning and 70.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.35ms. Allocated memory is still 153.1MB. Free memory was 70.9MB in the beginning and 69.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.11ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 69.2MB in the beginning and 168.9MB in the end (delta: -99.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2656.19ms. Allocated memory was 207.6MB in the beginning and 320.9MB in the end (delta: 113.2MB). Free memory was 167.9MB in the beginning and 97.5MB in the end (delta: 70.3MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. * Witness Printer took 88.07ms. Allocated memory is still 320.9MB. Free memory was 97.5MB in the beginning and 93.3MB 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: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 172 locations, 19 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 20 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 0.4s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:28:31,391 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