./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:50:33,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:50:33,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:50:33,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:50:33,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:50:33,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:50:33,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:50:33,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:50:33,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:50:33,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:50:33,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:50:33,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:50:33,394 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:50:33,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:50:33,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:50:33,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:50:33,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:50:33,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:50:33,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:50:33,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:50:33,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:50:33,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:50:33,400 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:50:33,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:50:33,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:50:33,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:50:33,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:50:33,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:50:33,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:50:33,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:50:33,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:50:33,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:33,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:50:33,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:50:33,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:50:33,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:50:33,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:50:33,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:50:33,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:50:33,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:50:33,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:50:33,405 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2024-11-19 05:50:33,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:50:33,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:50:33,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:50:33,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:50:33,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:50:33,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-11-19 05:50:34,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:50:35,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:50:35,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-11-19 05:50:35,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3967ac7/083e5f8714f34d5bbd618275d3f31974/FLAG1c75a7694 [2024-11-19 05:50:35,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3967ac7/083e5f8714f34d5bbd618275d3f31974 [2024-11-19 05:50:35,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:50:35,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:50:35,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:35,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:50:35,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:50:35,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:35" (1/1) ... [2024-11-19 05:50:35,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19dc8b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:35, skipping insertion in model container [2024-11-19 05:50:35,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:35" (1/1) ... [2024-11-19 05:50:35,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:50:35,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:35,985 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:50:36,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:36,100 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:50:36,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36 WrapperNode [2024-11-19 05:50:36,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:36,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:36,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:50:36,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:50:36,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,168 INFO L138 Inliner]: procedures = 372, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 417 [2024-11-19 05:50:36,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:36,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:50:36,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:50:36,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:50:36,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:50:36,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:50:36,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:50:36,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:50:36,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (1/1) ... [2024-11-19 05:50:36,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:36,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:36,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:50:36,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:50:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:50:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-19 05:50:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:50:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:50:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:50:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:50:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:50:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:50:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:50:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:50:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:50:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:50:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:50:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:50:36,345 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:50:36,525 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:50:36,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:50:37,149 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:50:37,149 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:50:37,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:50:37,183 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 05:50:37,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:37 BoogieIcfgContainer [2024-11-19 05:50:37,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:50:37,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:50:37,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:50:37,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:50:37,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:50:35" (1/3) ... [2024-11-19 05:50:37,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed275ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:37, skipping insertion in model container [2024-11-19 05:50:37,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:36" (2/3) ... [2024-11-19 05:50:37,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed275ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:37, skipping insertion in model container [2024-11-19 05:50:37,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:37" (3/3) ... [2024-11-19 05:50:37,192 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2024-11-19 05:50:37,204 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:50:37,204 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-19 05:50:37,205 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:50:37,308 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:50:37,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 488 places, 489 transitions, 982 flow [2024-11-19 05:50:37,502 INFO L124 PetriNetUnfolderBase]: 5/488 cut-off events. [2024-11-19 05:50:37,502 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:37,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 488 events. 5/488 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 360. Up to 2 conditions per place. [2024-11-19 05:50:37,510 INFO L82 GeneralOperation]: Start removeDead. Operand has 488 places, 489 transitions, 982 flow [2024-11-19 05:50:37,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 487 places, 488 transitions, 979 flow [2024-11-19 05:50:37,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:50:37,539 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;@62681023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:50:37,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-19 05:50:37,560 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:50:37,561 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events. [2024-11-19 05:50:37,561 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:37,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:37,562 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] [2024-11-19 05:50:37,563 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:37,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:37,567 INFO L85 PathProgramCache]: Analyzing trace with hash -888137657, now seen corresponding path program 1 times [2024-11-19 05:50:37,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:37,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588924347] [2024-11-19 05:50:37,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:37,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:38,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:38,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588924347] [2024-11-19 05:50:38,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588924347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:38,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:38,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:38,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724881390] [2024-11-19 05:50:38,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:38,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:38,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:38,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:38,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:39,023 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 489 [2024-11-19 05:50:39,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 488 transitions, 979 flow. Second operand has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:39,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:39,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 489 [2024-11-19 05:50:39,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:39,308 INFO L124 PetriNetUnfolderBase]: 365/1833 cut-off events. [2024-11-19 05:50:39,308 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:39,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 1833 events. 365/1833 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9430 event pairs, 364 based on Foata normal form. 13/1708 useless extension candidates. Maximal degree in co-relation 2247. Up to 842 conditions per place. [2024-11-19 05:50:39,320 INFO L140 encePairwiseOnDemand]: 461/489 looper letters, 113 selfloop transitions, 20 changer transitions 2/480 dead transitions. [2024-11-19 05:50:39,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 480 transitions, 1229 flow [2024-11-19 05:50:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2229 transitions. [2024-11-19 05:50:39,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7597137014314929 [2024-11-19 05:50:39,346 INFO L175 Difference]: Start difference. First operand has 487 places, 488 transitions, 979 flow. Second operand 6 states and 2229 transitions. [2024-11-19 05:50:39,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 480 transitions, 1229 flow [2024-11-19 05:50:39,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 480 transitions, 1228 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:39,360 INFO L231 Difference]: Finished difference. Result has 487 places, 478 transitions, 998 flow [2024-11-19 05:50:39,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=998, PETRI_PLACES=487, PETRI_TRANSITIONS=478} [2024-11-19 05:50:39,370 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 0 predicate places. [2024-11-19 05:50:39,371 INFO L471 AbstractCegarLoop]: Abstraction has has 487 places, 478 transitions, 998 flow [2024-11-19 05:50:39,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:39,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:39,373 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] [2024-11-19 05:50:39,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:50:39,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:39,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash -30494442, now seen corresponding path program 1 times [2024-11-19 05:50:39,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:39,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853602600] [2024-11-19 05:50:39,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:39,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:39,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:39,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:39,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853602600] [2024-11-19 05:50:39,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853602600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:39,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:39,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:39,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798467350] [2024-11-19 05:50:39,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:39,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:39,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:39,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:39,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:40,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 489 [2024-11-19 05:50:40,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 478 transitions, 998 flow. Second operand has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:40,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:40,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 489 [2024-11-19 05:50:40,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:40,887 INFO L124 PetriNetUnfolderBase]: 365/1827 cut-off events. [2024-11-19 05:50:40,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:40,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2713 conditions, 1827 events. 365/1827 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9415 event pairs, 364 based on Foata normal form. 0/1695 useless extension candidates. Maximal degree in co-relation 2333. Up to 842 conditions per place. [2024-11-19 05:50:40,892 INFO L140 encePairwiseOnDemand]: 465/489 looper letters, 113 selfloop transitions, 20 changer transitions 0/474 dead transitions. [2024-11-19 05:50:40,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 474 transitions, 1256 flow [2024-11-19 05:50:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2225 transitions. [2024-11-19 05:50:40,896 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7583503749147921 [2024-11-19 05:50:40,896 INFO L175 Difference]: Start difference. First operand has 487 places, 478 transitions, 998 flow. Second operand 6 states and 2225 transitions. [2024-11-19 05:50:40,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 474 transitions, 1256 flow [2024-11-19 05:50:40,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 474 transitions, 1216 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:40,902 INFO L231 Difference]: Finished difference. Result has 481 places, 474 transitions, 990 flow [2024-11-19 05:50:40,903 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=990, PETRI_PLACES=481, PETRI_TRANSITIONS=474} [2024-11-19 05:50:40,904 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -6 predicate places. [2024-11-19 05:50:40,904 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 474 transitions, 990 flow [2024-11-19 05:50:40,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:40,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:40,905 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:40,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:50:40,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:40,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:40,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1819143829, now seen corresponding path program 1 times [2024-11-19 05:50:40,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:40,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183622302] [2024-11-19 05:50:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:40,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:41,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:41,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183622302] [2024-11-19 05:50:41,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183622302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:41,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:41,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:41,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304257408] [2024-11-19 05:50:41,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:41,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:41,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:41,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:41,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:42,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 489 [2024-11-19 05:50:42,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 474 transitions, 990 flow. Second operand has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:42,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:42,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 489 [2024-11-19 05:50:42,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:42,236 INFO L124 PetriNetUnfolderBase]: 391/1916 cut-off events. [2024-11-19 05:50:42,237 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:50:42,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 1916 events. 391/1916 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10208 event pairs, 390 based on Foata normal form. 0/1778 useless extension candidates. Maximal degree in co-relation 2460. Up to 911 conditions per place. [2024-11-19 05:50:42,243 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 130 selfloop transitions, 5 changer transitions 0/473 dead transitions. [2024-11-19 05:50:42,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 473 transitions, 1258 flow [2024-11-19 05:50:42,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:42,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2230 transitions. [2024-11-19 05:50:42,247 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7600545330606681 [2024-11-19 05:50:42,247 INFO L175 Difference]: Start difference. First operand has 481 places, 474 transitions, 990 flow. Second operand 6 states and 2230 transitions. [2024-11-19 05:50:42,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 473 transitions, 1258 flow [2024-11-19 05:50:42,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 473 transitions, 1218 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:42,253 INFO L231 Difference]: Finished difference. Result has 480 places, 473 transitions, 958 flow [2024-11-19 05:50:42,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=958, PETRI_PLACES=480, PETRI_TRANSITIONS=473} [2024-11-19 05:50:42,254 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -7 predicate places. [2024-11-19 05:50:42,254 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 473 transitions, 958 flow [2024-11-19 05:50:42,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:42,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:42,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:42,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:50:42,256 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:42,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:42,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2049311674, now seen corresponding path program 1 times [2024-11-19 05:50:42,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:42,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817348875] [2024-11-19 05:50:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:42,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:42,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:42,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817348875] [2024-11-19 05:50:42,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817348875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:42,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:42,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:50:42,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694174490] [2024-11-19 05:50:42,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:42,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:50:42,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:42,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:50:42,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:50:42,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 489 [2024-11-19 05:50:42,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 473 transitions, 958 flow. Second operand has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:42,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:42,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 489 [2024-11-19 05:50:42,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:42,460 INFO L124 PetriNetUnfolderBase]: 7/658 cut-off events. [2024-11-19 05:50:42,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:42,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 658 events. 7/658 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 635 event pairs, 6 based on Foata normal form. 1/623 useless extension candidates. Maximal degree in co-relation 496. Up to 24 conditions per place. [2024-11-19 05:50:42,463 INFO L140 encePairwiseOnDemand]: 486/489 looper letters, 10 selfloop transitions, 2 changer transitions 0/474 dead transitions. [2024-11-19 05:50:42,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 474 transitions, 984 flow [2024-11-19 05:50:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:50:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:50:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2024-11-19 05:50:42,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.978186775732788 [2024-11-19 05:50:42,465 INFO L175 Difference]: Start difference. First operand has 480 places, 473 transitions, 958 flow. Second operand 3 states and 1435 transitions. [2024-11-19 05:50:42,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 474 transitions, 984 flow [2024-11-19 05:50:42,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 474 transitions, 974 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:42,473 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 960 flow [2024-11-19 05:50:42,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=960, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-19 05:50:42,475 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-11-19 05:50:42,475 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 960 flow [2024-11-19 05:50:42,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:42,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:42,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:42,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:50:42,478 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:42,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1304451798, now seen corresponding path program 1 times [2024-11-19 05:50:42,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:42,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374339822] [2024-11-19 05:50:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:42,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:42,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:42,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374339822] [2024-11-19 05:50:42,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374339822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:42,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:42,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:42,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118132812] [2024-11-19 05:50:42,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:42,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:42,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:42,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:42,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:43,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 489 [2024-11-19 05:50:43,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 960 flow. Second operand has 6 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:43,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:43,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 489 [2024-11-19 05:50:43,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:43,841 INFO L124 PetriNetUnfolderBase]: 55/899 cut-off events. [2024-11-19 05:50:43,842 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:50:43,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 899 events. 55/899 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2253 event pairs, 54 based on Foata normal form. 0/839 useless extension candidates. Maximal degree in co-relation 924. Up to 227 conditions per place. [2024-11-19 05:50:43,845 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 89 selfloop transitions, 5 changer transitions 0/473 dead transitions. [2024-11-19 05:50:43,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 473 transitions, 1146 flow [2024-11-19 05:50:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2440 transitions. [2024-11-19 05:50:43,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8316291751874574 [2024-11-19 05:50:43,850 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 960 flow. Second operand 6 states and 2440 transitions. [2024-11-19 05:50:43,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 473 transitions, 1146 flow [2024-11-19 05:50:43,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 473 transitions, 1144 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:43,856 INFO L231 Difference]: Finished difference. Result has 481 places, 473 transitions, 966 flow [2024-11-19 05:50:43,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=956, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=966, PETRI_PLACES=481, PETRI_TRANSITIONS=473} [2024-11-19 05:50:43,858 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -6 predicate places. [2024-11-19 05:50:43,858 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 473 transitions, 966 flow [2024-11-19 05:50:43,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:43,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:43,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:43,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:50:43,860 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:43,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1118460176, now seen corresponding path program 1 times [2024-11-19 05:50:43,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:43,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616001633] [2024-11-19 05:50:43,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:43,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:44,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:44,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616001633] [2024-11-19 05:50:44,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616001633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:44,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:44,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:44,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602777694] [2024-11-19 05:50:44,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:44,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:44,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:44,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:44,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:44,807 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 489 [2024-11-19 05:50:44,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 473 transitions, 966 flow. Second operand has 6 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:44,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:44,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 489 [2024-11-19 05:50:44,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:45,030 INFO L124 PetriNetUnfolderBase]: 37/812 cut-off events. [2024-11-19 05:50:45,030 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:50:45,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 812 events. 37/812 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1733 event pairs, 36 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 792. Up to 198 conditions per place. [2024-11-19 05:50:45,033 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 93 selfloop transitions, 15 changer transitions 0/470 dead transitions. [2024-11-19 05:50:45,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 470 transitions, 1176 flow [2024-11-19 05:50:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2355 transitions. [2024-11-19 05:50:45,037 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8026584867075665 [2024-11-19 05:50:45,037 INFO L175 Difference]: Start difference. First operand has 481 places, 473 transitions, 966 flow. Second operand 6 states and 2355 transitions. [2024-11-19 05:50:45,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 470 transitions, 1176 flow [2024-11-19 05:50:45,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 470 transitions, 1166 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:45,042 INFO L231 Difference]: Finished difference. Result has 478 places, 470 transitions, 980 flow [2024-11-19 05:50:45,043 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=980, PETRI_PLACES=478, PETRI_TRANSITIONS=470} [2024-11-19 05:50:45,044 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-11-19 05:50:45,044 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 470 transitions, 980 flow [2024-11-19 05:50:45,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:45,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:45,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:45,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:50:45,046 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:45,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:45,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1527179138, now seen corresponding path program 1 times [2024-11-19 05:50:45,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:45,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913276480] [2024-11-19 05:50:45,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:45,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:45,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:45,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913276480] [2024-11-19 05:50:45,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913276480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:45,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:45,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:45,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245163498] [2024-11-19 05:50:45,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:45,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:45,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:45,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:45,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 489 [2024-11-19 05:50:45,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 470 transitions, 980 flow. Second operand has 6 states, 6 states have (on average 342.1666666666667) internal successors, (2053), 6 states have internal predecessors, (2053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:45,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:45,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 489 [2024-11-19 05:50:45,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:46,189 INFO L124 PetriNetUnfolderBase]: 365/1925 cut-off events. [2024-11-19 05:50:46,189 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:50:46,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2872 conditions, 1925 events. 365/1925 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9371 event pairs, 364 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 2485. Up to 898 conditions per place. [2024-11-19 05:50:46,196 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 131 selfloop transitions, 15 changer transitions 0/467 dead transitions. [2024-11-19 05:50:46,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 467 transitions, 1266 flow [2024-11-19 05:50:46,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:46,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2165 transitions. [2024-11-19 05:50:46,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7379004771642809 [2024-11-19 05:50:46,199 INFO L175 Difference]: Start difference. First operand has 478 places, 470 transitions, 980 flow. Second operand 6 states and 2165 transitions. [2024-11-19 05:50:46,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 467 transitions, 1266 flow [2024-11-19 05:50:46,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 467 transitions, 1236 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:46,205 INFO L231 Difference]: Finished difference. Result has 475 places, 467 transitions, 974 flow [2024-11-19 05:50:46,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=944, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=974, PETRI_PLACES=475, PETRI_TRANSITIONS=467} [2024-11-19 05:50:46,206 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -12 predicate places. [2024-11-19 05:50:46,206 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 467 transitions, 974 flow [2024-11-19 05:50:46,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 342.1666666666667) internal successors, (2053), 6 states have internal predecessors, (2053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:46,208 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:46,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:46,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:50:46,208 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:46,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:46,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1851008217, now seen corresponding path program 1 times [2024-11-19 05:50:46,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:46,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633956827] [2024-11-19 05:50:46,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:46,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:46,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633956827] [2024-11-19 05:50:46,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633956827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:46,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:46,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:46,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723360396] [2024-11-19 05:50:46,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:46,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:46,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:46,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:47,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 489 [2024-11-19 05:50:47,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 467 transitions, 974 flow. Second operand has 6 states, 6 states have (on average 345.6666666666667) internal successors, (2074), 6 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:47,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:47,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 489 [2024-11-19 05:50:47,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:47,546 INFO L124 PetriNetUnfolderBase]: 365/1921 cut-off events. [2024-11-19 05:50:47,546 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:50:47,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2864 conditions, 1921 events. 365/1921 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9355 event pairs, 364 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 2481. Up to 894 conditions per place. [2024-11-19 05:50:47,552 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 128 selfloop transitions, 15 changer transitions 0/464 dead transitions. [2024-11-19 05:50:47,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 464 transitions, 1254 flow [2024-11-19 05:50:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2180 transitions. [2024-11-19 05:50:47,556 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7430129516019086 [2024-11-19 05:50:47,556 INFO L175 Difference]: Start difference. First operand has 475 places, 467 transitions, 974 flow. Second operand 6 states and 2180 transitions. [2024-11-19 05:50:47,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 464 transitions, 1254 flow [2024-11-19 05:50:47,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 464 transitions, 1224 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:47,562 INFO L231 Difference]: Finished difference. Result has 472 places, 464 transitions, 968 flow [2024-11-19 05:50:47,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=968, PETRI_PLACES=472, PETRI_TRANSITIONS=464} [2024-11-19 05:50:47,563 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -15 predicate places. [2024-11-19 05:50:47,563 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 464 transitions, 968 flow [2024-11-19 05:50:47,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 345.6666666666667) internal successors, (2074), 6 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:47,564 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:47,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:47,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:50:47,565 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:47,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:47,565 INFO L85 PathProgramCache]: Analyzing trace with hash 979827259, now seen corresponding path program 1 times [2024-11-19 05:50:47,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:47,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146689004] [2024-11-19 05:50:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:47,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:47,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146689004] [2024-11-19 05:50:47,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146689004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625458079] [2024-11-19 05:50:47,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:47,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:47,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:47,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:50:47,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:50:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:47,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:50:47,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:48,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625458079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:48,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:48,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:50:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662312674] [2024-11-19 05:50:48,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:48,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:50:48,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:48,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:50:48,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:50:48,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 489 [2024-11-19 05:50:48,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 464 transitions, 968 flow. Second operand has 10 states, 10 states have (on average 472.8) internal successors, (4728), 10 states have internal predecessors, (4728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:48,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:48,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 489 [2024-11-19 05:50:48,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:48,490 INFO L124 PetriNetUnfolderBase]: 7/752 cut-off events. [2024-11-19 05:50:48,490 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:48,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 752 events. 7/752 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 389 event pairs, 6 based on Foata normal form. 2/732 useless extension candidates. Maximal degree in co-relation 394. Up to 24 conditions per place. [2024-11-19 05:50:48,492 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 14 selfloop transitions, 9 changer transitions 0/472 dead transitions. [2024-11-19 05:50:48,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 472 transitions, 1032 flow [2024-11-19 05:50:48,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:50:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:50:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4264 transitions. [2024-11-19 05:50:48,497 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688707112019995 [2024-11-19 05:50:48,497 INFO L175 Difference]: Start difference. First operand has 472 places, 464 transitions, 968 flow. Second operand 9 states and 4264 transitions. [2024-11-19 05:50:48,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 472 transitions, 1032 flow [2024-11-19 05:50:48,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 472 transitions, 1002 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:48,502 INFO L231 Difference]: Finished difference. Result has 478 places, 470 transitions, 988 flow [2024-11-19 05:50:48,503 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=988, PETRI_PLACES=478, PETRI_TRANSITIONS=470} [2024-11-19 05:50:48,503 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-11-19 05:50:48,503 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 470 transitions, 988 flow [2024-11-19 05:50:48,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 472.8) internal successors, (4728), 10 states have internal predecessors, (4728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:48,506 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:48,507 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:48,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 05:50:48,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:48,708 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:48,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash 656329597, now seen corresponding path program 2 times [2024-11-19 05:50:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:48,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729319150] [2024-11-19 05:50:48,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:48,776 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:48,776 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-19 05:50:49,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:49,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729319150] [2024-11-19 05:50:49,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729319150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:49,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:49,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:49,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378097311] [2024-11-19 05:50:49,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:49,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:49,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:49,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:49,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:49,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 489 [2024-11-19 05:50:49,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 470 transitions, 988 flow. Second operand has 6 states, 6 states have (on average 395.3333333333333) internal successors, (2372), 6 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:49,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:49,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 489 [2024-11-19 05:50:49,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:50,196 INFO L124 PetriNetUnfolderBase]: 257/2078 cut-off events. [2024-11-19 05:50:50,196 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:50:50,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2078 events. 257/2078 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10187 event pairs, 36 based on Foata normal form. 0/1951 useless extension candidates. Maximal degree in co-relation 2279. Up to 523 conditions per place. [2024-11-19 05:50:50,204 INFO L140 encePairwiseOnDemand]: 460/489 looper letters, 99 selfloop transitions, 75 changer transitions 0/547 dead transitions. [2024-11-19 05:50:50,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 547 transitions, 1490 flow [2024-11-19 05:50:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2504 transitions. [2024-11-19 05:50:50,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534423994546694 [2024-11-19 05:50:50,212 INFO L175 Difference]: Start difference. First operand has 478 places, 470 transitions, 988 flow. Second operand 6 states and 2504 transitions. [2024-11-19 05:50:50,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 547 transitions, 1490 flow [2024-11-19 05:50:50,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 547 transitions, 1484 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:50,220 INFO L231 Difference]: Finished difference. Result has 486 places, 538 transitions, 1462 flow [2024-11-19 05:50:50,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=980, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1462, PETRI_PLACES=486, PETRI_TRANSITIONS=538} [2024-11-19 05:50:50,221 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -1 predicate places. [2024-11-19 05:50:50,221 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 538 transitions, 1462 flow [2024-11-19 05:50:50,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.3333333333333) internal successors, (2372), 6 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:50,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:50,222 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:50,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:50:50,223 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:50,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:50,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1319077270, now seen corresponding path program 1 times [2024-11-19 05:50:50,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:50,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509734406] [2024-11-19 05:50:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:50,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:50,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:50,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509734406] [2024-11-19 05:50:50,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509734406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:50,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223399200] [2024-11-19 05:50:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:50,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:50,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:50,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:50:50,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:50:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:51,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 05:50:51,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:51,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:51,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223399200] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:51,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:51,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-19 05:50:51,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012251221] [2024-11-19 05:50:51,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:51,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:51,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:51,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:52,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 489 [2024-11-19 05:50:52,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 538 transitions, 1462 flow. Second operand has 18 states, 18 states have (on average 472.8888888888889) internal successors, (8512), 18 states have internal predecessors, (8512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:52,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:52,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 489 [2024-11-19 05:50:52,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:52,592 INFO L124 PetriNetUnfolderBase]: 120/2148 cut-off events. [2024-11-19 05:50:52,593 INFO L125 PetriNetUnfolderBase]: For 184/204 co-relation queries the response was YES. [2024-11-19 05:50:52,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 2148 events. 120/2148 cut-off events. For 184/204 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7250 event pairs, 21 based on Foata normal form. 4/2064 useless extension candidates. Maximal degree in co-relation 1926. Up to 207 conditions per place. [2024-11-19 05:50:52,600 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 19 selfloop transitions, 21 changer transitions 0/556 dead transitions. [2024-11-19 05:50:52,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 556 transitions, 1630 flow [2024-11-19 05:50:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 05:50:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 05:50:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9934 transitions. [2024-11-19 05:50:52,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9673775440646606 [2024-11-19 05:50:52,615 INFO L175 Difference]: Start difference. First operand has 486 places, 538 transitions, 1462 flow. Second operand 21 states and 9934 transitions. [2024-11-19 05:50:52,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 556 transitions, 1630 flow [2024-11-19 05:50:52,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 556 transitions, 1630 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:52,625 INFO L231 Difference]: Finished difference. Result has 511 places, 551 transitions, 1592 flow [2024-11-19 05:50:52,626 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1592, PETRI_PLACES=511, PETRI_TRANSITIONS=551} [2024-11-19 05:50:52,626 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 24 predicate places. [2024-11-19 05:50:52,626 INFO L471 AbstractCegarLoop]: Abstraction has has 511 places, 551 transitions, 1592 flow [2024-11-19 05:50:52,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 472.8888888888889) internal successors, (8512), 18 states have internal predecessors, (8512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:52,629 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:52,629 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:52,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 05:50:52,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 05:50:52,830 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:52,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:52,831 INFO L85 PathProgramCache]: Analyzing trace with hash -857634790, now seen corresponding path program 2 times [2024-11-19 05:50:52,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:52,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343668670] [2024-11-19 05:50:52,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:52,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:52,950 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:52,950 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2233 trivial. 0 not checked. [2024-11-19 05:50:53,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:53,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343668670] [2024-11-19 05:50:53,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343668670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:53,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:53,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:53,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373775615] [2024-11-19 05:50:53,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:53,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:53,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:53,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:53,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:53,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 489 [2024-11-19 05:50:53,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 551 transitions, 1592 flow. Second operand has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:53,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:53,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 489 [2024-11-19 05:50:53,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:54,474 INFO L124 PetriNetUnfolderBase]: 182/2312 cut-off events. [2024-11-19 05:50:54,475 INFO L125 PetriNetUnfolderBase]: For 454/488 co-relation queries the response was YES. [2024-11-19 05:50:54,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3582 conditions, 2312 events. 182/2312 cut-off events. For 454/488 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 9079 event pairs, 54 based on Foata normal form. 0/2210 useless extension candidates. Maximal degree in co-relation 2480. Up to 572 conditions per place. [2024-11-19 05:50:54,484 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 150 selfloop transitions, 5 changer transitions 0/550 dead transitions. [2024-11-19 05:50:54,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 550 transitions, 1900 flow [2024-11-19 05:50:54,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2455 transitions. [2024-11-19 05:50:54,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8367416496250852 [2024-11-19 05:50:54,488 INFO L175 Difference]: Start difference. First operand has 511 places, 551 transitions, 1592 flow. Second operand 6 states and 2455 transitions. [2024-11-19 05:50:54,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 550 transitions, 1900 flow [2024-11-19 05:50:54,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 550 transitions, 1876 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-19 05:50:54,496 INFO L231 Difference]: Finished difference. Result has 509 places, 550 transitions, 1576 flow [2024-11-19 05:50:54,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1576, PETRI_PLACES=509, PETRI_TRANSITIONS=550} [2024-11-19 05:50:54,497 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 22 predicate places. [2024-11-19 05:50:54,498 INFO L471 AbstractCegarLoop]: Abstraction has has 509 places, 550 transitions, 1576 flow [2024-11-19 05:50:54,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:54,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:54,499 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:54,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:50:54,499 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:54,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:54,500 INFO L85 PathProgramCache]: Analyzing trace with hash -392021508, now seen corresponding path program 1 times [2024-11-19 05:50:54,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:54,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008062559] [2024-11-19 05:50:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:54,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:55,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:55,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008062559] [2024-11-19 05:50:55,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008062559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:55,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717474347] [2024-11-19 05:50:55,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:55,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:55,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:55,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:50:55,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 05:50:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:56,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 3788 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 05:50:56,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:57,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:57,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717474347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:57,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:57,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-19 05:50:57,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647132491] [2024-11-19 05:50:57,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:57,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 05:50:57,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:57,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 05:50:57,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 05:50:58,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 489 [2024-11-19 05:50:58,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 550 transitions, 1576 flow. Second operand has 23 states, 23 states have (on average 473.0869565217391) internal successors, (10881), 23 states have internal predecessors, (10881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:58,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:58,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 489 [2024-11-19 05:50:58,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:58,781 INFO L124 PetriNetUnfolderBase]: 120/2465 cut-off events. [2024-11-19 05:50:58,781 INFO L125 PetriNetUnfolderBase]: For 301/321 co-relation queries the response was YES. [2024-11-19 05:50:58,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3221 conditions, 2465 events. 120/2465 cut-off events. For 301/321 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7247 event pairs, 21 based on Foata normal form. 3/2381 useless extension candidates. Maximal degree in co-relation 1937. Up to 207 conditions per place. [2024-11-19 05:50:58,788 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 22 selfloop transitions, 30 changer transitions 0/567 dead transitions. [2024-11-19 05:50:58,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 567 transitions, 1802 flow [2024-11-19 05:50:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 05:50:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-19 05:50:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 14184 transitions. [2024-11-19 05:50:58,800 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9668711656441717 [2024-11-19 05:50:58,800 INFO L175 Difference]: Start difference. First operand has 509 places, 550 transitions, 1576 flow. Second operand 30 states and 14184 transitions. [2024-11-19 05:50:58,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 567 transitions, 1802 flow [2024-11-19 05:50:58,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 567 transitions, 1792 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:58,809 INFO L231 Difference]: Finished difference. Result has 537 places, 560 transitions, 1718 flow [2024-11-19 05:50:58,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1718, PETRI_PLACES=537, PETRI_TRANSITIONS=560} [2024-11-19 05:50:58,810 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 50 predicate places. [2024-11-19 05:50:58,810 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 560 transitions, 1718 flow [2024-11-19 05:50:58,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 473.0869565217391) internal successors, (10881), 23 states have internal predecessors, (10881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:58,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:58,813 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:58,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 05:50:59,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:59,014 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:59,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:59,015 INFO L85 PathProgramCache]: Analyzing trace with hash 409692249, now seen corresponding path program 2 times [2024-11-19 05:50:59,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:59,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290854766] [2024-11-19 05:50:59,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:59,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:59,162 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:59,162 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-19 05:50:59,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:59,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290854766] [2024-11-19 05:50:59,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290854766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:59,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:59,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:59,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744392079] [2024-11-19 05:50:59,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:59,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:59,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:59,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:59,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:00,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 489 [2024-11-19 05:51:00,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 560 transitions, 1718 flow. Second operand has 6 states, 6 states have (on average 405.5) internal successors, (2433), 6 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:00,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:00,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 489 [2024-11-19 05:51:00,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:01,156 INFO L124 PetriNetUnfolderBase]: 500/3534 cut-off events. [2024-11-19 05:51:01,156 INFO L125 PetriNetUnfolderBase]: For 951/1034 co-relation queries the response was YES. [2024-11-19 05:51:01,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5992 conditions, 3534 events. 500/3534 cut-off events. For 951/1034 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16089 event pairs, 92 based on Foata normal form. 16/3393 useless extension candidates. Maximal degree in co-relation 4427. Up to 1097 conditions per place. [2024-11-19 05:51:01,168 INFO L140 encePairwiseOnDemand]: 466/489 looper letters, 163 selfloop transitions, 130 changer transitions 0/697 dead transitions. [2024-11-19 05:51:01,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 697 transitions, 2954 flow [2024-11-19 05:51:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2533 transitions. [2024-11-19 05:51:01,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633265167007498 [2024-11-19 05:51:01,170 INFO L175 Difference]: Start difference. First operand has 537 places, 560 transitions, 1718 flow. Second operand 6 states and 2533 transitions. [2024-11-19 05:51:01,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 697 transitions, 2954 flow [2024-11-19 05:51:01,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 697 transitions, 2908 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-19 05:51:01,181 INFO L231 Difference]: Finished difference. Result has 529 places, 689 transitions, 2900 flow [2024-11-19 05:51:01,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1672, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2900, PETRI_PLACES=529, PETRI_TRANSITIONS=689} [2024-11-19 05:51:01,183 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 42 predicate places. [2024-11-19 05:51:01,183 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 689 transitions, 2900 flow [2024-11-19 05:51:01,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.5) internal successors, (2433), 6 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:01,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:01,184 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:01,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:51:01,184 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:51:01,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:01,185 INFO L85 PathProgramCache]: Analyzing trace with hash -97330125, now seen corresponding path program 1 times [2024-11-19 05:51:01,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:01,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613170963] [2024-11-19 05:51:01,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-19 05:51:04,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:04,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613170963] [2024-11-19 05:51:04,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613170963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:04,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:04,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:04,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452081788] [2024-11-19 05:51:04,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:04,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:04,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:04,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:04,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:04,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 489 [2024-11-19 05:51:04,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 689 transitions, 2900 flow. Second operand has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:04,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:04,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 489 [2024-11-19 05:51:04,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:06,240 INFO L124 PetriNetUnfolderBase]: 776/4305 cut-off events. [2024-11-19 05:51:06,240 INFO L125 PetriNetUnfolderBase]: For 3369/3576 co-relation queries the response was YES. [2024-11-19 05:51:06,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8856 conditions, 4305 events. 776/4305 cut-off events. For 3369/3576 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22150 event pairs, 65 based on Foata normal form. 52/4192 useless extension candidates. Maximal degree in co-relation 7308. Up to 1357 conditions per place. [2024-11-19 05:51:06,260 INFO L140 encePairwiseOnDemand]: 466/489 looper letters, 285 selfloop transitions, 131 changer transitions 5/827 dead transitions. [2024-11-19 05:51:06,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 827 transitions, 4642 flow [2024-11-19 05:51:06,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2524 transitions. [2024-11-19 05:51:06,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8602590320381731 [2024-11-19 05:51:06,262 INFO L175 Difference]: Start difference. First operand has 529 places, 689 transitions, 2900 flow. Second operand 6 states and 2524 transitions. [2024-11-19 05:51:06,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 827 transitions, 4642 flow [2024-11-19 05:51:06,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 827 transitions, 4642 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:06,279 INFO L231 Difference]: Finished difference. Result has 539 places, 817 transitions, 4380 flow [2024-11-19 05:51:06,280 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=2900, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4380, PETRI_PLACES=539, PETRI_TRANSITIONS=817} [2024-11-19 05:51:06,280 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 52 predicate places. [2024-11-19 05:51:06,280 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 817 transitions, 4380 flow [2024-11-19 05:51:06,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:06,281 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:06,282 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:06,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:51:06,282 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:51:06,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1203232593, now seen corresponding path program 1 times [2024-11-19 05:51:06,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073933070] [2024-11-19 05:51:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-19 05:51:09,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:09,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073933070] [2024-11-19 05:51:09,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073933070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:09,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:09,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:09,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275170336] [2024-11-19 05:51:09,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:09,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:09,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:09,393 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 489 [2024-11-19 05:51:09,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 817 transitions, 4380 flow. Second operand has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:09,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:09,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 489 [2024-11-19 05:51:09,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:11,445 INFO L124 PetriNetUnfolderBase]: 1308/5703 cut-off events. [2024-11-19 05:51:11,446 INFO L125 PetriNetUnfolderBase]: For 4874/4931 co-relation queries the response was YES. [2024-11-19 05:51:11,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13640 conditions, 5703 events. 1308/5703 cut-off events. For 4874/4931 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33836 event pairs, 369 based on Foata normal form. 11/5469 useless extension candidates. Maximal degree in co-relation 12008. Up to 2597 conditions per place. [2024-11-19 05:51:11,478 INFO L140 encePairwiseOnDemand]: 470/489 looper letters, 364 selfloop transitions, 84 changer transitions 0/896 dead transitions. [2024-11-19 05:51:11,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 896 transitions, 5674 flow [2024-11-19 05:51:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2332 transitions. [2024-11-19 05:51:11,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7948193592365371 [2024-11-19 05:51:11,481 INFO L175 Difference]: Start difference. First operand has 539 places, 817 transitions, 4380 flow. Second operand 6 states and 2332 transitions. [2024-11-19 05:51:11,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 896 transitions, 5674 flow [2024-11-19 05:51:11,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 896 transitions, 5420 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:11,506 INFO L231 Difference]: Finished difference. Result has 548 places, 888 transitions, 4916 flow [2024-11-19 05:51:11,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=4132, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=817, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=769, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4916, PETRI_PLACES=548, PETRI_TRANSITIONS=888} [2024-11-19 05:51:11,507 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 61 predicate places. [2024-11-19 05:51:11,508 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 888 transitions, 4916 flow [2024-11-19 05:51:11,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:11,509 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:11,509 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:11,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:51:11,510 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:51:11,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:11,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1241466715, now seen corresponding path program 1 times [2024-11-19 05:51:11,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:11,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906964615] [2024-11-19 05:51:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:11,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 23 proven. 2645 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-19 05:51:38,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:38,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906964615] [2024-11-19 05:51:38,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906964615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:51:38,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43467097] [2024-11-19 05:51:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:38,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:38,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:51:38,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:51:38,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 05:51:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:39,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 5102 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-19 05:51:39,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:51:40,014 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-19 05:51:40,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-19 05:51:40,186 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-19 05:51:40,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-19 05:51:40,635 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-19 05:51:40,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-19 05:51:40,785 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-19 05:51:40,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-19 05:51:41,511 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-19 05:51:41,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-19 05:51:42,118 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2024-11-19 05:51:42,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2024-11-19 05:51:43,659 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-19 05:51:43,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-19 05:51:44,554 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-19 05:51:44,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-19 05:51:46,269 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-19 05:51:46,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-19 05:51:47,082 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-19 05:51:47,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-19 05:51:48,634 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-19 05:51:48,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-19 05:51:49,526 INFO L349 Elim1Store]: treesize reduction 56, result has 27.3 percent of original size [2024-11-19 05:51:49,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 38 [2024-11-19 05:51:51,240 INFO L349 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2024-11-19 05:51:51,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2024-11-19 05:51:52,513 INFO L349 Elim1Store]: treesize reduction 70, result has 27.1 percent of original size [2024-11-19 05:51:52,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 46 [2024-11-19 05:51:54,858 INFO L349 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2024-11-19 05:51:54,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 64