./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/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:02:25,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:02:25,121 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:02:25,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:02:25,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:02:25,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:02:25,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:02:25,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:02:25,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:02:25,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:02:25,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:02:25,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:02:25,147 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:02:25,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:02:25,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:02:25,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:02:25,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:02:25,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:02:25,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:02:25,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:02:25,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:02:25,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:02:25,149 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:02:25,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:02:25,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:02:25,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:02:25,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:02:25,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:02:25,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:02:25,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:02:25,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:02:25,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:02:25,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:02:25,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:02:25,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:02:25,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:02:25,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:02:25,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:02:25,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:02:25,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:02:25,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:02:25,155 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-10-11 17:02:25,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:02:25,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:02:25,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:02:25,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:02:25,382 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:02:25,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-10-11 17:02:26,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:02:27,003 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:02:27,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-10-11 17:02:27,036 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c8614c098/b70583d7ad8d45d1bf2d62164d5ae2f4/FLAG0c6f687f6 [2024-10-11 17:02:27,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c8614c098/b70583d7ad8d45d1bf2d62164d5ae2f4 [2024-10-11 17:02:27,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:02:27,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:02:27,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:02:27,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:02:27,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:02:27,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c03eb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27, skipping insertion in model container [2024-10-11 17:02:27,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:02:27,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:02:27,723 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:02:27,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:02:27,827 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:02:27,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27 WrapperNode [2024-10-11 17:02:27,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:02:27,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:02:27,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:02:27,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:02:27,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,905 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 180 [2024-10-11 17:02:27,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:02:27,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:02:27,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:02:27,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:02:27,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:02:27,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:02:27,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:02:27,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:02:27,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (1/1) ... [2024-10-11 17:02:27,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:02:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:02:28,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:02:28,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:02:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-11 17:02:28,062 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-11 17:02:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 17:02:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 17:02:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 17:02:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 17:02:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:02:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:02:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:02:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-11 17:02:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:02:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:02:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:02:28,065 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:02:28,283 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:02:28,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:02:28,538 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:02:28,538 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:02:28,582 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:02:28,583 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:02:28,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:02:28 BoogieIcfgContainer [2024-10-11 17:02:28,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:02:28,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:02:28,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:02:28,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:02:28,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:02:27" (1/3) ... [2024-10-11 17:02:28,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a0ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:02:28, skipping insertion in model container [2024-10-11 17:02:28,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:27" (2/3) ... [2024-10-11 17:02:28,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a0ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:02:28, skipping insertion in model container [2024-10-11 17:02:28,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:02:28" (3/3) ... [2024-10-11 17:02:28,591 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-10-11 17:02:28,605 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:02:28,605 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-10-11 17:02:28,605 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:02:28,674 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:02:28,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 251 transitions, 516 flow [2024-10-11 17:02:28,830 INFO L124 PetriNetUnfolderBase]: 14/335 cut-off events. [2024-10-11 17:02:28,830 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:02:28,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 335 events. 14/335 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 651 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2024-10-11 17:02:28,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 251 transitions, 516 flow [2024-10-11 17:02:28,844 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 248 transitions, 508 flow [2024-10-11 17:02:28,855 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:02:28,863 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;@1e330984, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:02:28,863 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-10-11 17:02:28,869 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:02:28,870 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-11 17:02:28,870 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:02:28,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:28,871 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] [2024-10-11 17:02:28,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:28,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:28,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1506282842, now seen corresponding path program 1 times [2024-10-11 17:02:28,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:28,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005142144] [2024-10-11 17:02:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:28,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:29,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005142144] [2024-10-11 17:02:29,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005142144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:29,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:29,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:02:29,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105268645] [2024-10-11 17:02:29,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:29,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:02:29,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:29,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:02:29,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:02:30,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2024-10-11 17:02:30,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 248 transitions, 508 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2024-10-11 17:02:30,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:30,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2024-10-11 17:02:30,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:30,465 INFO L124 PetriNetUnfolderBase]: 424/1641 cut-off events. [2024-10-11 17:02:30,466 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2024-10-11 17:02:30,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1641 events. 424/1641 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10906 event pairs, 423 based on Foata normal form. 72/1603 useless extension candidates. Maximal degree in co-relation 2167. Up to 750 conditions per place. [2024-10-11 17:02:30,480 INFO L140 encePairwiseOnDemand]: 231/251 looper letters, 39 selfloop transitions, 5 changer transitions 6/221 dead transitions. [2024-10-11 17:02:30,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 221 transitions, 542 flow [2024-10-11 17:02:30,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:02:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:02:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1187 transitions. [2024-10-11 17:02:30,502 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7881806108897742 [2024-10-11 17:02:30,505 INFO L175 Difference]: Start difference. First operand has 245 places, 248 transitions, 508 flow. Second operand 6 states and 1187 transitions. [2024-10-11 17:02:30,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 221 transitions, 542 flow [2024-10-11 17:02:30,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 221 transitions, 534 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:02:30,516 INFO L231 Difference]: Finished difference. Result has 227 places, 215 transitions, 444 flow [2024-10-11 17:02:30,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=444, PETRI_PLACES=227, PETRI_TRANSITIONS=215} [2024-10-11 17:02:30,524 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -18 predicate places. [2024-10-11 17:02:30,524 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 215 transitions, 444 flow [2024-10-11 17:02:30,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2024-10-11 17:02:30,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:30,525 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] [2024-10-11 17:02:30,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:02:30,526 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:30,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1400294310, now seen corresponding path program 1 times [2024-10-11 17:02:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:30,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580993365] [2024-10-11 17:02:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:30,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:30,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:30,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580993365] [2024-10-11 17:02:30,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580993365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:30,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:30,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:02:30,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734004061] [2024-10-11 17:02:30,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:30,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:02:30,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:30,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:02:30,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:02:31,075 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2024-10-11 17:02:31,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 215 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2024-10-11 17:02:31,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:31,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2024-10-11 17:02:31,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:31,369 INFO L124 PetriNetUnfolderBase]: 424/1634 cut-off events. [2024-10-11 17:02:31,370 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-10-11 17:02:31,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2401 conditions, 1634 events. 424/1634 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10885 event pairs, 423 based on Foata normal form. 0/1527 useless extension candidates. Maximal degree in co-relation 2358. Up to 750 conditions per place. [2024-10-11 17:02:31,377 INFO L140 encePairwiseOnDemand]: 245/251 looper letters, 39 selfloop transitions, 5 changer transitions 0/214 dead transitions. [2024-10-11 17:02:31,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 214 transitions, 530 flow [2024-10-11 17:02:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:02:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:02:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1173 transitions. [2024-10-11 17:02:31,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7788844621513944 [2024-10-11 17:02:31,383 INFO L175 Difference]: Start difference. First operand has 227 places, 215 transitions, 444 flow. Second operand 6 states and 1173 transitions. [2024-10-11 17:02:31,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 214 transitions, 530 flow [2024-10-11 17:02:31,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 214 transitions, 520 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:02:31,389 INFO L231 Difference]: Finished difference. Result has 220 places, 214 transitions, 442 flow [2024-10-11 17:02:31,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=442, PETRI_PLACES=220, PETRI_TRANSITIONS=214} [2024-10-11 17:02:31,390 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -25 predicate places. [2024-10-11 17:02:31,393 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 214 transitions, 442 flow [2024-10-11 17:02:31,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2024-10-11 17:02:31,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:31,394 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:31,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:02:31,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:31,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:31,395 INFO L85 PathProgramCache]: Analyzing trace with hash -467924554, now seen corresponding path program 1 times [2024-10-11 17:02:31,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:31,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899835377] [2024-10-11 17:02:31,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:31,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:31,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:31,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899835377] [2024-10-11 17:02:31,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899835377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:31,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:31,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:31,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005580633] [2024-10-11 17:02:31,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:31,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:31,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:31,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:31,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:31,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2024-10-11 17:02:31,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 214 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2024-10-11 17:02:31,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:31,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2024-10-11 17:02:31,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:31,551 INFO L124 PetriNetUnfolderBase]: 67/519 cut-off events. [2024-10-11 17:02:31,551 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-10-11 17:02:31,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 519 events. 67/519 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2169 event pairs, 63 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 615. Up to 128 conditions per place. [2024-10-11 17:02:31,554 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 18 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-10-11 17:02:31,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 216 transitions, 486 flow [2024-10-11 17:02:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2024-10-11 17:02:31,556 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8844621513944223 [2024-10-11 17:02:31,556 INFO L175 Difference]: Start difference. First operand has 220 places, 214 transitions, 442 flow. Second operand 3 states and 666 transitions. [2024-10-11 17:02:31,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 216 transitions, 486 flow [2024-10-11 17:02:31,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 216 transitions, 476 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:02:31,559 INFO L231 Difference]: Finished difference. Result has 216 places, 213 transitions, 434 flow [2024-10-11 17:02:31,559 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=216, PETRI_TRANSITIONS=213} [2024-10-11 17:02:31,560 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -29 predicate places. [2024-10-11 17:02:31,560 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 213 transitions, 434 flow [2024-10-11 17:02:31,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2024-10-11 17:02:31,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:31,561 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:31,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:02:31,561 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:31,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:31,562 INFO L85 PathProgramCache]: Analyzing trace with hash -278579924, now seen corresponding path program 1 times [2024-10-11 17:02:31,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:31,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541682272] [2024-10-11 17:02:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:31,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:31,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:31,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541682272] [2024-10-11 17:02:31,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541682272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:31,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:31,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:31,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847574883] [2024-10-11 17:02:31,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:31,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:31,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:31,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:31,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:31,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2024-10-11 17:02:31,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 213 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 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) [2024-10-11 17:02:31,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:31,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2024-10-11 17:02:31,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:31,701 INFO L124 PetriNetUnfolderBase]: 63/481 cut-off events. [2024-10-11 17:02:31,701 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:02:31,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 481 events. 63/481 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1566 event pairs, 12 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 472. Up to 90 conditions per place. [2024-10-11 17:02:31,704 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 18 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2024-10-11 17:02:31,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 218 transitions, 482 flow [2024-10-11 17:02:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 677 transitions. [2024-10-11 17:02:31,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.899070385126162 [2024-10-11 17:02:31,706 INFO L175 Difference]: Start difference. First operand has 216 places, 213 transitions, 434 flow. Second operand 3 states and 677 transitions. [2024-10-11 17:02:31,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 218 transitions, 482 flow [2024-10-11 17:02:31,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:31,710 INFO L231 Difference]: Finished difference. Result has 215 places, 212 transitions, 430 flow [2024-10-11 17:02:31,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=215, PETRI_TRANSITIONS=212} [2024-10-11 17:02:31,711 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2024-10-11 17:02:31,711 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 212 transitions, 430 flow [2024-10-11 17:02:31,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 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) [2024-10-11 17:02:31,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:31,712 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] [2024-10-11 17:02:31,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:02:31,712 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:31,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:31,712 INFO L85 PathProgramCache]: Analyzing trace with hash -758595191, now seen corresponding path program 1 times [2024-10-11 17:02:31,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:31,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384870097] [2024-10-11 17:02:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:31,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:31,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:31,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384870097] [2024-10-11 17:02:31,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384870097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:31,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:31,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:31,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493054253] [2024-10-11 17:02:31,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:31,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:31,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:31,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:31,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:31,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2024-10-11 17:02:31,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 212 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-10-11 17:02:31,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:31,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2024-10-11 17:02:31,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:31,885 INFO L124 PetriNetUnfolderBase]: 75/768 cut-off events. [2024-10-11 17:02:31,885 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2024-10-11 17:02:31,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 768 events. 75/768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3443 event pairs, 45 based on Foata normal form. 0/709 useless extension candidates. Maximal degree in co-relation 776. Up to 109 conditions per place. [2024-10-11 17:02:31,889 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 21 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-10-11 17:02:31,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 217 transitions, 486 flow [2024-10-11 17:02:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:31,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2024-10-11 17:02:31,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8884462151394422 [2024-10-11 17:02:31,891 INFO L175 Difference]: Start difference. First operand has 215 places, 212 transitions, 430 flow. Second operand 3 states and 669 transitions. [2024-10-11 17:02:31,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 217 transitions, 486 flow [2024-10-11 17:02:31,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 217 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:02:31,907 INFO L231 Difference]: Finished difference. Result has 215 places, 211 transitions, 431 flow [2024-10-11 17:02:31,908 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=215, PETRI_TRANSITIONS=211} [2024-10-11 17:02:31,908 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2024-10-11 17:02:31,909 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 431 flow [2024-10-11 17:02:31,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-10-11 17:02:31,909 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:31,909 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] [2024-10-11 17:02:31,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:02:31,910 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:31,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:31,910 INFO L85 PathProgramCache]: Analyzing trace with hash -535666774, now seen corresponding path program 1 times [2024-10-11 17:02:31,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:31,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323221643] [2024-10-11 17:02:31,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:32,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323221643] [2024-10-11 17:02:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323221643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:32,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:02:32,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911095785] [2024-10-11 17:02:32,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:32,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:02:32,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:02:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:02:32,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2024-10-11 17:02:32,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 431 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2024-10-11 17:02:32,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:32,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2024-10-11 17:02:32,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:32,805 INFO L124 PetriNetUnfolderBase]: 507/1768 cut-off events. [2024-10-11 17:02:32,806 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2024-10-11 17:02:32,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 1768 events. 507/1768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10856 event pairs, 309 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 2494. Up to 803 conditions per place. [2024-10-11 17:02:32,813 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 37 selfloop transitions, 30 changer transitions 7/240 dead transitions. [2024-10-11 17:02:32,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 240 transitions, 629 flow [2024-10-11 17:02:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:02:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:02:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-10-11 17:02:32,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2024-10-11 17:02:32,817 INFO L175 Difference]: Start difference. First operand has 215 places, 211 transitions, 431 flow. Second operand 6 states and 1223 transitions. [2024-10-11 17:02:32,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 240 transitions, 629 flow [2024-10-11 17:02:32,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 240 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:32,823 INFO L231 Difference]: Finished difference. Result has 223 places, 233 transitions, 615 flow [2024-10-11 17:02:32,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=223, PETRI_TRANSITIONS=233} [2024-10-11 17:02:32,824 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -22 predicate places. [2024-10-11 17:02:32,825 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 233 transitions, 615 flow [2024-10-11 17:02:32,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2024-10-11 17:02:32,825 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:32,826 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] [2024-10-11 17:02:32,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:02:32,826 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:32,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:32,826 INFO L85 PathProgramCache]: Analyzing trace with hash -18569913, now seen corresponding path program 1 times [2024-10-11 17:02:32,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:32,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262088382] [2024-10-11 17:02:32,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:32,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:33,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:33,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262088382] [2024-10-11 17:02:33,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262088382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:33,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:33,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:02:33,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308215434] [2024-10-11 17:02:33,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:33,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:02:33,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:33,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:02:33,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:02:33,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2024-10-11 17:02:33,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 233 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2024-10-11 17:02:33,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:33,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2024-10-11 17:02:33,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:33,931 INFO L124 PetriNetUnfolderBase]: 665/1836 cut-off events. [2024-10-11 17:02:33,932 INFO L125 PetriNetUnfolderBase]: For 602/616 co-relation queries the response was YES. [2024-10-11 17:02:33,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3982 conditions, 1836 events. 665/1836 cut-off events. For 602/616 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 10970 event pairs, 306 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2437. Up to 931 conditions per place. [2024-10-11 17:02:33,942 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 60 selfloop transitions, 30 changer transitions 11/262 dead transitions. [2024-10-11 17:02:33,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 262 transitions, 903 flow [2024-10-11 17:02:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:02:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:02:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2024-10-11 17:02:33,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8100929614873837 [2024-10-11 17:02:33,946 INFO L175 Difference]: Start difference. First operand has 223 places, 233 transitions, 615 flow. Second operand 6 states and 1220 transitions. [2024-10-11 17:02:33,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 262 transitions, 903 flow [2024-10-11 17:02:33,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 262 transitions, 903 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:02:33,953 INFO L231 Difference]: Finished difference. Result has 226 places, 251 transitions, 843 flow [2024-10-11 17:02:33,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=843, PETRI_PLACES=226, PETRI_TRANSITIONS=251} [2024-10-11 17:02:33,954 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -19 predicate places. [2024-10-11 17:02:33,954 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 251 transitions, 843 flow [2024-10-11 17:02:33,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2024-10-11 17:02:33,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:33,955 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] [2024-10-11 17:02:33,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:02:33,956 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:33,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:33,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1724068804, now seen corresponding path program 1 times [2024-10-11 17:02:33,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:33,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580910823] [2024-10-11 17:02:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:33,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:34,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:34,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580910823] [2024-10-11 17:02:34,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580910823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:34,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:34,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:02:34,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459255183] [2024-10-11 17:02:34,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:34,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:02:34,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:34,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:02:34,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:02:34,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2024-10-11 17:02:34,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 251 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2024-10-11 17:02:34,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:34,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2024-10-11 17:02:34,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:34,991 INFO L124 PetriNetUnfolderBase]: 742/2023 cut-off events. [2024-10-11 17:02:34,992 INFO L125 PetriNetUnfolderBase]: For 1323/1382 co-relation queries the response was YES. [2024-10-11 17:02:34,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5451 conditions, 2023 events. 742/2023 cut-off events. For 1323/1382 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 12590 event pairs, 212 based on Foata normal form. 0/1977 useless extension candidates. Maximal degree in co-relation 3658. Up to 981 conditions per place. [2024-10-11 17:02:35,008 INFO L140 encePairwiseOnDemand]: 235/251 looper letters, 91 selfloop transitions, 26 changer transitions 0/279 dead transitions. [2024-10-11 17:02:35,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 279 transitions, 1233 flow [2024-10-11 17:02:35,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:02:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:02:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2024-10-11 17:02:35,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8134130146082338 [2024-10-11 17:02:35,011 INFO L175 Difference]: Start difference. First operand has 226 places, 251 transitions, 843 flow. Second operand 6 states and 1225 transitions. [2024-10-11 17:02:35,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 279 transitions, 1233 flow [2024-10-11 17:02:35,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 279 transitions, 1185 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-10-11 17:02:35,020 INFO L231 Difference]: Finished difference. Result has 224 places, 271 transitions, 1027 flow [2024-10-11 17:02:35,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1027, PETRI_PLACES=224, PETRI_TRANSITIONS=271} [2024-10-11 17:02:35,021 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -21 predicate places. [2024-10-11 17:02:35,021 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 271 transitions, 1027 flow [2024-10-11 17:02:35,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2024-10-11 17:02:35,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:35,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:35,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:02:35,022 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:35,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:35,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1783716836, now seen corresponding path program 1 times [2024-10-11 17:02:35,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:35,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597403882] [2024-10-11 17:02:35,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:35,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:35,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597403882] [2024-10-11 17:02:35,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597403882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:35,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:35,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:02:35,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130998393] [2024-10-11 17:02:35,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:35,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:02:35,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:35,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:02:35,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:02:35,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2024-10-11 17:02:35,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 271 transitions, 1027 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2024-10-11 17:02:35,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:35,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2024-10-11 17:02:35,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:36,141 INFO L124 PetriNetUnfolderBase]: 920/2277 cut-off events. [2024-10-11 17:02:36,142 INFO L125 PetriNetUnfolderBase]: For 2916/3070 co-relation queries the response was YES. [2024-10-11 17:02:36,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7170 conditions, 2277 events. 920/2277 cut-off events. For 2916/3070 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 14119 event pairs, 248 based on Foata normal form. 33/2260 useless extension candidates. Maximal degree in co-relation 5400. Up to 1189 conditions per place. [2024-10-11 17:02:36,156 INFO L140 encePairwiseOnDemand]: 236/251 looper letters, 104 selfloop transitions, 36 changer transitions 37/314 dead transitions. [2024-10-11 17:02:36,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 314 transitions, 1667 flow [2024-10-11 17:02:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:02:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:02:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-10-11 17:02:36,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2024-10-11 17:02:36,161 INFO L175 Difference]: Start difference. First operand has 224 places, 271 transitions, 1027 flow. Second operand 6 states and 1223 transitions. [2024-10-11 17:02:36,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 314 transitions, 1667 flow [2024-10-11 17:02:36,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 314 transitions, 1667 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:02:36,170 INFO L231 Difference]: Finished difference. Result has 232 places, 269 transitions, 1359 flow [2024-10-11 17:02:36,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1359, PETRI_PLACES=232, PETRI_TRANSITIONS=269} [2024-10-11 17:02:36,171 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -13 predicate places. [2024-10-11 17:02:36,171 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 269 transitions, 1359 flow [2024-10-11 17:02:36,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2024-10-11 17:02:36,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:36,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:36,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:02:36,172 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:36,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:36,173 INFO L85 PathProgramCache]: Analyzing trace with hash -870678194, now seen corresponding path program 1 times [2024-10-11 17:02:36,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:36,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893909321] [2024-10-11 17:02:36,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:36,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:36,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893909321] [2024-10-11 17:02:36,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893909321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:36,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:36,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:02:36,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769494895] [2024-10-11 17:02:36,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:36,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 17:02:36,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:36,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 17:02:36,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 17:02:36,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 251 [2024-10-11 17:02:36,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 269 transitions, 1359 flow. Second operand has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 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) [2024-10-11 17:02:36,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:36,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 251 [2024-10-11 17:02:36,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:36,495 INFO L124 PetriNetUnfolderBase]: 135/497 cut-off events. [2024-10-11 17:02:36,495 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2024-10-11 17:02:36,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 497 events. 135/497 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2390 event pairs, 12 based on Foata normal form. 0/493 useless extension candidates. Maximal degree in co-relation 1260. Up to 151 conditions per place. [2024-10-11 17:02:36,500 INFO L140 encePairwiseOnDemand]: 246/251 looper letters, 37 selfloop transitions, 4 changer transitions 0/136 dead transitions. [2024-10-11 17:02:36,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 136 transitions, 558 flow [2024-10-11 17:02:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:02:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:02:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1308 transitions. [2024-10-11 17:02:36,504 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8685258964143426 [2024-10-11 17:02:36,504 INFO L175 Difference]: Start difference. First operand has 232 places, 269 transitions, 1359 flow. Second operand 6 states and 1308 transitions. [2024-10-11 17:02:36,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 136 transitions, 558 flow [2024-10-11 17:02:36,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 136 transitions, 418 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-10-11 17:02:36,507 INFO L231 Difference]: Finished difference. Result has 138 places, 112 transitions, 248 flow [2024-10-11 17:02:36,508 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=138, PETRI_TRANSITIONS=112} [2024-10-11 17:02:36,508 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -107 predicate places. [2024-10-11 17:02:36,509 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 112 transitions, 248 flow [2024-10-11 17:02:36,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 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) [2024-10-11 17:02:36,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:36,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:36,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:02:36,510 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-11 17:02:36,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:36,511 INFO L85 PathProgramCache]: Analyzing trace with hash 133752418, now seen corresponding path program 1 times [2024-10-11 17:02:36,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:36,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767629717] [2024-10-11 17:02:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:36,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:36,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:36,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767629717] [2024-10-11 17:02:36,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767629717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:36,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:36,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:36,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247867502] [2024-10-11 17:02:36,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:36,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:36,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:36,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:36,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:36,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2024-10-11 17:02:36,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 112 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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) [2024-10-11 17:02:36,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:36,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2024-10-11 17:02:36,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:36,623 INFO L124 PetriNetUnfolderBase]: 24/201 cut-off events. [2024-10-11 17:02:36,624 INFO L125 PetriNetUnfolderBase]: For 21/47 co-relation queries the response was YES. [2024-10-11 17:02:36,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 201 events. 24/201 cut-off events. For 21/47 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 463 event pairs, 18 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 315. Up to 47 conditions per place. [2024-10-11 17:02:36,625 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 0 selfloop transitions, 0 changer transitions 114/114 dead transitions. [2024-10-11 17:02:36,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 114 transitions, 288 flow [2024-10-11 17:02:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2024-10-11 17:02:36,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8937583001328021 [2024-10-11 17:02:36,627 INFO L175 Difference]: Start difference. First operand has 138 places, 112 transitions, 248 flow. Second operand 3 states and 673 transitions. [2024-10-11 17:02:36,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 114 transitions, 288 flow [2024-10-11 17:02:36,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 114 transitions, 281 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:02:36,628 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2024-10-11 17:02:36,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2024-10-11 17:02:36,629 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -110 predicate places. [2024-10-11 17:02:36,629 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2024-10-11 17:02:36,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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) [2024-10-11 17:02:36,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2024-10-11 17:02:36,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-10-11 17:02:36,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-10-11 17:02:36,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-10-11 17:02:36,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-10-11 17:02:36,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-10-11 17:02:36,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-10-11 17:02:36,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-10-11 17:02:36,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-10-11 17:02:36,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-10-11 17:02:36,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-10-11 17:02:36,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-10-11 17:02:36,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-10-11 17:02:36,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-10-11 17:02:36,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:02:36,636 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:36,641 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:02:36,641 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:02:36,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:02:36 BasicIcfg [2024-10-11 17:02:36,646 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:02:36,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:02:36,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:02:36,646 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:02:36,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:02:28" (3/4) ... [2024-10-11 17:02:36,648 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:02:36,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-11 17:02:36,656 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-10-11 17:02:36,660 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 17:02:36,660 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:02:36,660 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:02:36,744 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:02:36,745 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:02:36,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:02:36,746 INFO L158 Benchmark]: Toolchain (without parser) took 9466.57ms. Allocated memory was 159.4MB in the beginning and 385.9MB in the end (delta: 226.5MB). Free memory was 89.4MB in the beginning and 160.7MB in the end (delta: -71.3MB). Peak memory consumption was 157.3MB. Max. memory is 16.1GB. [2024-10-11 17:02:36,746 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:02:36,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.00ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 110.1MB in the end (delta: -20.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-10-11 17:02:36,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.66ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 106.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:02:36,746 INFO L158 Benchmark]: Boogie Preprocessor took 60.70ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 102.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:02:36,747 INFO L158 Benchmark]: RCFGBuilder took 612.04ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 65.7MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-11 17:02:36,747 INFO L158 Benchmark]: TraceAbstraction took 8060.76ms. Allocated memory was 159.4MB in the beginning and 385.9MB in the end (delta: 226.5MB). Free memory was 64.5MB in the beginning and 167.0MB in the end (delta: -102.4MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. [2024-10-11 17:02:36,747 INFO L158 Benchmark]: Witness Printer took 99.01ms. Allocated memory is still 385.9MB. Free memory was 167.0MB in the beginning and 160.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 17:02:36,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.00ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 110.1MB in the end (delta: -20.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.66ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 106.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.70ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 102.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 612.04ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 65.7MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8060.76ms. Allocated memory was 159.4MB in the beginning and 385.9MB in the end (delta: 226.5MB). Free memory was 64.5MB in the beginning and 167.0MB in the end (delta: -102.4MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. * Witness Printer took 99.01ms. Allocated memory is still 385.9MB. Free memory was 167.0MB in the beginning and 160.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3961]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3962]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3964]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3914]: 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 4 procedures, 260 locations, 23 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: 7.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1004 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2544 IncrementalHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 95 mSDtfsCounter, 2544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1359occurred in iteration=9, InterpolantAutomatonStates: 54, 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, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:02:36,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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