./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_18-nested_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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_18-nested_rc.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 bf117fc0bf8ae8b9ef4bb89156c7168763fcd2ba3d8567cd686924f85ad04dca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:30:30,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:30:30,261 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:30:30,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:30:30,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:30:30,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:30:30,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:30:30,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:30:30,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:30:30,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:30:30,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:30:30,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:30:30,294 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:30:30,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:30:30,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:30:30,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:30:30,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:30:30,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:30:30,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:30:30,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:30:30,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:30:30,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:30:30,300 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:30:30,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:30:30,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:30:30,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:30:30,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:30:30,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:30:30,301 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:30:30,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:30:30,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:30:30,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:30:30,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:30:30,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:30:30,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:30:30,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:30:30,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:30:30,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:30:30,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:30:30,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:30:30,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:30:30,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf117fc0bf8ae8b9ef4bb89156c7168763fcd2ba3d8567cd686924f85ad04dca [2024-11-10 14:30:30,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:30:30,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:30:30,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:30:30,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:30:30,511 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:30:30,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_18-nested_rc.i [2024-11-10 14:30:31,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:30:31,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:30:31,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_18-nested_rc.i [2024-11-10 14:30:31,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5614d6575/e1407c35c2b94da68169a1ec0eedab86/FLAG5f9975040 [2024-11-10 14:30:31,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5614d6575/e1407c35c2b94da68169a1ec0eedab86 [2024-11-10 14:30:31,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:30:31,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:30:31,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:30:31,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:30:31,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:30:31,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:30:31" (1/1) ... [2024-11-10 14:30:31,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575bdc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:31, skipping insertion in model container [2024-11-10 14:30:31,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:30:31" (1/1) ... [2024-11-10 14:30:31,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:30:32,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:30:32,429 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:30:32,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:30:32,534 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:30:32,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32 WrapperNode [2024-11-10 14:30:32,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:30:32,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:30:32,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:30:32,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:30:32,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,600 INFO L138 Inliner]: procedures = 372, calls = 87, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 288 [2024-11-10 14:30:32,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:30:32,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:30:32,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:30:32,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:30:32,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,635 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:30:32,643 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:30:32,645 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:30:32,645 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:30:32,647 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (1/1) ... [2024-11-10 14:30:32,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:30:32,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:32,674 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) [2024-11-10 14:30:32,676 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 [2024-11-10 14:30:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-10 14:30:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-10 14:30:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:30:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:30:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:30:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:30:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:30:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:30:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:30:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:30:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:30:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:30:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:30:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:30:32,711 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:30:32,814 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:30:32,816 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:30:33,232 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:30:33,233 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:30:33,264 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:30:33,264 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:30:33,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:30:33 BoogieIcfgContainer [2024-11-10 14:30:33,265 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:30:33,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:30:33,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:30:33,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:30:33,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:30:31" (1/3) ... [2024-11-10 14:30:33,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac25ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:30:33, skipping insertion in model container [2024-11-10 14:30:33,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:32" (2/3) ... [2024-11-10 14:30:33,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac25ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:30:33, skipping insertion in model container [2024-11-10 14:30:33,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:30:33" (3/3) ... [2024-11-10 14:30:33,274 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_18-nested_rc.i [2024-11-10 14:30:33,309 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:30:33,310 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-10 14:30:33,311 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:30:33,381 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:30:33,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 332 transitions, 668 flow [2024-11-10 14:30:33,499 INFO L124 PetriNetUnfolderBase]: 4/331 cut-off events. [2024-11-10 14:30:33,499 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:33,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 331 events. 4/331 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 133 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 203. Up to 2 conditions per place. [2024-11-10 14:30:33,506 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 332 transitions, 668 flow [2024-11-10 14:30:33,514 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 331 places, 331 transitions, 665 flow [2024-11-10 14:30:33,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:30:33,529 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;@27f8cc72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:30:33,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-10 14:30:33,543 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:30:33,544 INFO L124 PetriNetUnfolderBase]: 3/104 cut-off events. [2024-11-10 14:30:33,544 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:33,544 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:33,545 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] [2024-11-10 14:30:33,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:33,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:33,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2138738510, now seen corresponding path program 1 times [2024-11-10 14:30:33,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:33,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024832739] [2024-11-10 14:30:33,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:33,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:33,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:33,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024832739] [2024-11-10 14:30:33,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024832739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:33,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:33,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:30:33,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069248205] [2024-11-10 14:30:33,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:33,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:30:33,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:33,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:30:33,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:30:33,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 332 [2024-11-10 14:30:33,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 331 transitions, 665 flow. Second operand has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:33,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:33,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 332 [2024-11-10 14:30:33,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:33,931 INFO L124 PetriNetUnfolderBase]: 5/402 cut-off events. [2024-11-10 14:30:33,931 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:30:33,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 402 events. 5/402 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 341 event pairs, 4 based on Foata normal form. 4/376 useless extension candidates. Maximal degree in co-relation 212. Up to 14 conditions per place. [2024-11-10 14:30:33,934 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 5 selfloop transitions, 0 changer transitions 1/328 dead transitions. [2024-11-10 14:30:33,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 328 transitions, 669 flow [2024-11-10 14:30:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:30:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:30:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 656 transitions. [2024-11-10 14:30:33,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9879518072289156 [2024-11-10 14:30:33,953 INFO L175 Difference]: Start difference. First operand has 331 places, 331 transitions, 665 flow. Second operand 2 states and 656 transitions. [2024-11-10 14:30:33,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 328 transitions, 669 flow [2024-11-10 14:30:33,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 328 transitions, 668 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:30:33,964 INFO L231 Difference]: Finished difference. Result has 331 places, 327 transitions, 656 flow [2024-11-10 14:30:33,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=656, PETRI_PLACES=331, PETRI_TRANSITIONS=327} [2024-11-10 14:30:33,968 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 0 predicate places. [2024-11-10 14:30:33,969 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 327 transitions, 656 flow [2024-11-10 14:30:33,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:33,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:33,970 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] [2024-11-10 14:30:33,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:30:33,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:33,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:33,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1295851150, now seen corresponding path program 1 times [2024-11-10 14:30:33,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:33,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748806800] [2024-11-10 14:30:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:33,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:34,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:34,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748806800] [2024-11-10 14:30:34,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748806800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:34,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:34,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:30:34,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016139079] [2024-11-10 14:30:34,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:34,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:30:34,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:34,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:30:34,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:30:34,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 332 [2024-11-10 14:30:34,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 327 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-11-10 14:30:34,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:34,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 332 [2024-11-10 14:30:34,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:34,239 INFO L124 PetriNetUnfolderBase]: 7/408 cut-off events. [2024-11-10 14:30:34,239 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:34,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 408 events. 7/408 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 419 event pairs, 6 based on Foata normal form. 1/380 useless extension candidates. Maximal degree in co-relation 434. Up to 24 conditions per place. [2024-11-10 14:30:34,242 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 10 selfloop transitions, 2 changer transitions 0/328 dead transitions. [2024-11-10 14:30:34,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 328 transitions, 682 flow [2024-11-10 14:30:34,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:30:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:30:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2024-11-10 14:30:34,245 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9708835341365462 [2024-11-10 14:30:34,245 INFO L175 Difference]: Start difference. First operand has 331 places, 327 transitions, 656 flow. Second operand 3 states and 967 transitions. [2024-11-10 14:30:34,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 328 transitions, 682 flow [2024-11-10 14:30:34,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 328 transitions, 682 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:30:34,251 INFO L231 Difference]: Finished difference. Result has 333 places, 328 transitions, 668 flow [2024-11-10 14:30:34,251 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=333, PETRI_TRANSITIONS=328} [2024-11-10 14:30:34,252 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 2 predicate places. [2024-11-10 14:30:34,253 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 328 transitions, 668 flow [2024-11-10 14:30:34,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-11-10 14:30:34,254 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:34,254 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:34,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:30:34,255 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:34,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:34,256 INFO L85 PathProgramCache]: Analyzing trace with hash -674073320, now seen corresponding path program 1 times [2024-11-10 14:30:34,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:34,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018352649] [2024-11-10 14:30:34,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:34,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:34,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018352649] [2024-11-10 14:30:34,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018352649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:34,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723234144] [2024-11-10 14:30:34,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:34,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:34,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:34,427 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) [2024-11-10 14:30:34,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:30:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:34,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 14:30:34,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:34,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:30:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:34,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723234144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:30:34,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:30:34,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 14:30:34,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835135780] [2024-11-10 14:30:34,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:30:34,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:30:34,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:34,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:30:34,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:30:34,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 332 [2024-11-10 14:30:34,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 328 transitions, 668 flow. Second operand has 10 states, 10 states have (on average 316.8) internal successors, (3168), 10 states have internal predecessors, (3168), 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) [2024-11-10 14:30:34,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:34,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 332 [2024-11-10 14:30:34,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:34,786 INFO L124 PetriNetUnfolderBase]: 7/417 cut-off events. [2024-11-10 14:30:34,787 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:30:34,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 417 events. 7/417 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 409 event pairs, 6 based on Foata normal form. 2/390 useless extension candidates. Maximal degree in co-relation 460. Up to 24 conditions per place. [2024-11-10 14:30:34,790 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 14 selfloop transitions, 9 changer transitions 0/336 dead transitions. [2024-11-10 14:30:34,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 336 transitions, 732 flow [2024-11-10 14:30:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:30:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 14:30:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2860 transitions. [2024-11-10 14:30:34,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9571619812583668 [2024-11-10 14:30:34,796 INFO L175 Difference]: Start difference. First operand has 333 places, 328 transitions, 668 flow. Second operand 9 states and 2860 transitions. [2024-11-10 14:30:34,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 336 transitions, 732 flow [2024-11-10 14:30:34,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 336 transitions, 730 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:30:34,800 INFO L231 Difference]: Finished difference. Result has 343 places, 334 transitions, 716 flow [2024-11-10 14:30:34,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=716, PETRI_PLACES=343, PETRI_TRANSITIONS=334} [2024-11-10 14:30:34,802 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 12 predicate places. [2024-11-10 14:30:34,802 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 334 transitions, 716 flow [2024-11-10 14:30:34,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 316.8) internal successors, (3168), 10 states have internal predecessors, (3168), 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) [2024-11-10 14:30:34,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:34,804 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 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] [2024-11-10 14:30:34,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:30:35,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:35,009 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:35,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:35,010 INFO L85 PathProgramCache]: Analyzing trace with hash 590577380, now seen corresponding path program 2 times [2024-11-10 14:30:35,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:35,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634390128] [2024-11-10 14:30:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:35,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:35,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634390128] [2024-11-10 14:30:35,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634390128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632451374] [2024-11-10 14:30:35,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:30:35,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:35,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:35,184 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) [2024-11-10 14:30:35,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:30:35,272 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:30:35,272 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:30:35,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 14:30:35,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:35,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-10 14:30:35,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-10 14:30:35,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:35,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-10 14:30:35,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:35,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-10 14:30:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:30:35,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:30:35,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632451374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:35,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:30:35,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-10 14:30:35,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256185217] [2024-11-10 14:30:35,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:35,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:35,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:35,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:35,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 14:30:35,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 332 [2024-11-10 14:30:35,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 334 transitions, 716 flow. Second operand has 6 states, 6 states have (on average 247.33333333333334) internal successors, (1484), 6 states have internal predecessors, (1484), 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) [2024-11-10 14:30:35,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:35,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 332 [2024-11-10 14:30:35,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:36,025 INFO L124 PetriNetUnfolderBase]: 365/1692 cut-off events. [2024-11-10 14:30:36,025 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:30:36,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2535 conditions, 1692 events. 365/1692 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9231 event pairs, 364 based on Foata normal form. 0/1567 useless extension candidates. Maximal degree in co-relation 2528. Up to 800 conditions per place. [2024-11-10 14:30:36,032 INFO L140 encePairwiseOnDemand]: 320/332 looper letters, 71 selfloop transitions, 10 changer transitions 0/332 dead transitions. [2024-11-10 14:30:36,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 332 transitions, 874 flow [2024-11-10 14:30:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1559 transitions. [2024-11-10 14:30:36,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7826305220883534 [2024-11-10 14:30:36,035 INFO L175 Difference]: Start difference. First operand has 343 places, 334 transitions, 716 flow. Second operand 6 states and 1559 transitions. [2024-11-10 14:30:36,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 332 transitions, 874 flow [2024-11-10 14:30:36,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 332 transitions, 868 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 14:30:36,039 INFO L231 Difference]: Finished difference. Result has 345 places, 332 transitions, 726 flow [2024-11-10 14:30:36,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=726, PETRI_PLACES=345, PETRI_TRANSITIONS=332} [2024-11-10 14:30:36,040 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 14 predicate places. [2024-11-10 14:30:36,040 INFO L471 AbstractCegarLoop]: Abstraction has has 345 places, 332 transitions, 726 flow [2024-11-10 14:30:36,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 247.33333333333334) internal successors, (1484), 6 states have internal predecessors, (1484), 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) [2024-11-10 14:30:36,041 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:36,042 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 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] [2024-11-10 14:30:36,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:30:36,242 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,SelfDestructingSolverStorable3 [2024-11-10 14:30:36,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:36,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:36,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1237877214, now seen corresponding path program 1 times [2024-11-10 14:30:36,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:36,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100713416] [2024-11-10 14:30:36,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:36,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:36,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100713416] [2024-11-10 14:30:36,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100713416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:36,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750101973] [2024-11-10 14:30:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:36,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:36,389 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) [2024-11-10 14:30:36,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:30:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:36,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 14:30:36,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:36,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:30:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:36,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750101973] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:30:36,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:30:36,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-10 14:30:36,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804043787] [2024-11-10 14:30:36,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:30:36,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 14:30:36,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:36,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 14:30:36,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 14:30:36,647 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 332 [2024-11-10 14:30:36,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 332 transitions, 726 flow. Second operand has 18 states, 18 states have (on average 316.8888888888889) internal successors, (5704), 18 states have internal predecessors, (5704), 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) [2024-11-10 14:30:36,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:36,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 332 [2024-11-10 14:30:36,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:36,903 INFO L124 PetriNetUnfolderBase]: 7/439 cut-off events. [2024-11-10 14:30:36,903 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-11-10 14:30:36,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 439 events. 7/439 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 407 event pairs, 6 based on Foata normal form. 4/416 useless extension candidates. Maximal degree in co-relation 548. Up to 24 conditions per place. [2024-11-10 14:30:36,905 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 18 selfloop transitions, 21 changer transitions 0/350 dead transitions. [2024-11-10 14:30:36,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 350 transitions, 892 flow [2024-11-10 14:30:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 14:30:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 14:30:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6658 transitions. [2024-11-10 14:30:36,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9549627079747561 [2024-11-10 14:30:36,916 INFO L175 Difference]: Start difference. First operand has 345 places, 332 transitions, 726 flow. Second operand 21 states and 6658 transitions. [2024-11-10 14:30:36,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 350 transitions, 892 flow [2024-11-10 14:30:36,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 350 transitions, 872 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:36,921 INFO L231 Difference]: Finished difference. Result has 365 places, 345 transitions, 836 flow [2024-11-10 14:30:36,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=836, PETRI_PLACES=365, PETRI_TRANSITIONS=345} [2024-11-10 14:30:36,922 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 34 predicate places. [2024-11-10 14:30:36,923 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 345 transitions, 836 flow [2024-11-10 14:30:36,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 316.8888888888889) internal successors, (5704), 18 states have internal predecessors, (5704), 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) [2024-11-10 14:30:36,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:36,926 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 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] [2024-11-10 14:30:36,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:30:37,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:37,130 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:37,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:37,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1451525050, now seen corresponding path program 2 times [2024-11-10 14:30:37,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:37,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337466157] [2024-11-10 14:30:37,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:37,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:37,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:37,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337466157] [2024-11-10 14:30:37,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337466157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:37,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304543481] [2024-11-10 14:30:37,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:30:37,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:37,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:37,428 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) [2024-11-10 14:30:37,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:30:37,512 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:30:37,512 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:30:37,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 14:30:37,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:37,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-10 14:30:37,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-10 14:30:37,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:37,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-10 14:30:37,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:37,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-10 14:30:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-10 14:30:37,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:30:37,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304543481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:37,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:30:37,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-10 14:30:37,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702350331] [2024-11-10 14:30:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:37,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:37,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:37,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:37,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-10 14:30:37,928 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 332 [2024-11-10 14:30:37,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 345 transitions, 836 flow. Second operand has 6 states, 6 states have (on average 247.33333333333334) internal successors, (1484), 6 states have internal predecessors, (1484), 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) [2024-11-10 14:30:37,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:37,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 332 [2024-11-10 14:30:37,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:38,218 INFO L124 PetriNetUnfolderBase]: 365/1714 cut-off events. [2024-11-10 14:30:38,218 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-10 14:30:38,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 1714 events. 365/1714 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9203 event pairs, 364 based on Foata normal form. 0/1591 useless extension candidates. Maximal degree in co-relation 2608. Up to 800 conditions per place. [2024-11-10 14:30:38,224 INFO L140 encePairwiseOnDemand]: 320/332 looper letters, 71 selfloop transitions, 10 changer transitions 0/343 dead transitions. [2024-11-10 14:30:38,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 343 transitions, 994 flow [2024-11-10 14:30:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:38,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1559 transitions. [2024-11-10 14:30:38,226 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7826305220883534 [2024-11-10 14:30:38,226 INFO L175 Difference]: Start difference. First operand has 365 places, 345 transitions, 836 flow. Second operand 6 states and 1559 transitions. [2024-11-10 14:30:38,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 343 transitions, 994 flow [2024-11-10 14:30:38,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 343 transitions, 970 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 14:30:38,231 INFO L231 Difference]: Finished difference. Result has 362 places, 343 transitions, 828 flow [2024-11-10 14:30:38,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=828, PETRI_PLACES=362, PETRI_TRANSITIONS=343} [2024-11-10 14:30:38,232 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 31 predicate places. [2024-11-10 14:30:38,232 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 343 transitions, 828 flow [2024-11-10 14:30:38,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 247.33333333333334) internal successors, (1484), 6 states have internal predecessors, (1484), 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) [2024-11-10 14:30:38,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:38,233 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 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] [2024-11-10 14:30:38,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 14:30:38,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:38,434 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:38,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:38,434 INFO L85 PathProgramCache]: Analyzing trace with hash 615213835, now seen corresponding path program 1 times [2024-11-10 14:30:38,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:38,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416354575] [2024-11-10 14:30:38,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:38,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:38,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:38,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416354575] [2024-11-10 14:30:38,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416354575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:38,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065607933] [2024-11-10 14:30:38,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:38,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:38,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:38,742 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:30:38,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:30:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:38,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:30:38,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:38,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:30:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:39,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065607933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:30:39,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:30:39,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-10 14:30:39,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968772131] [2024-11-10 14:30:39,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:30:39,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 14:30:39,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:39,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 14:30:39,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-10 14:30:39,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 332 [2024-11-10 14:30:39,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 343 transitions, 828 flow. Second operand has 23 states, 23 states have (on average 317.0) internal successors, (7291), 23 states have internal predecessors, (7291), 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) [2024-11-10 14:30:39,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:39,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 332 [2024-11-10 14:30:39,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:39,379 INFO L124 PetriNetUnfolderBase]: 7/455 cut-off events. [2024-11-10 14:30:39,379 INFO L125 PetriNetUnfolderBase]: For 211/211 co-relation queries the response was YES. [2024-11-10 14:30:39,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 455 events. 7/455 cut-off events. For 211/211 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 402 event pairs, 6 based on Foata normal form. 3/433 useless extension candidates. Maximal degree in co-relation 634. Up to 24 conditions per place. [2024-11-10 14:30:39,381 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 21 selfloop transitions, 30 changer transitions 0/360 dead transitions. [2024-11-10 14:30:39,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 360 transitions, 1052 flow [2024-11-10 14:30:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 14:30:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-10 14:30:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9504 transitions. [2024-11-10 14:30:39,393 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542168674698795 [2024-11-10 14:30:39,393 INFO L175 Difference]: Start difference. First operand has 362 places, 343 transitions, 828 flow. Second operand 30 states and 9504 transitions. [2024-11-10 14:30:39,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 360 transitions, 1052 flow [2024-11-10 14:30:39,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 360 transitions, 1032 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:39,399 INFO L231 Difference]: Finished difference. Result has 390 places, 353 transitions, 960 flow [2024-11-10 14:30:39,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=960, PETRI_PLACES=390, PETRI_TRANSITIONS=353} [2024-11-10 14:30:39,400 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 59 predicate places. [2024-11-10 14:30:39,400 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 353 transitions, 960 flow [2024-11-10 14:30:39,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 317.0) internal successors, (7291), 23 states have internal predecessors, (7291), 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) [2024-11-10 14:30:39,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:39,403 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:39,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:30:39,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:39,608 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:39,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:39,609 INFO L85 PathProgramCache]: Analyzing trace with hash -350212867, now seen corresponding path program 2 times [2024-11-10 14:30:39,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:39,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032772524] [2024-11-10 14:30:39,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:39,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:40,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:40,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032772524] [2024-11-10 14:30:40,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032772524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:40,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:40,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:40,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840956612] [2024-11-10 14:30:40,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:40,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:40,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:40,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:40,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:40,712 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 332 [2024-11-10 14:30:40,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 353 transitions, 960 flow. Second operand has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 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) [2024-11-10 14:30:40,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:40,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 332 [2024-11-10 14:30:40,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:41,039 INFO L124 PetriNetUnfolderBase]: 417/1912 cut-off events. [2024-11-10 14:30:41,039 INFO L125 PetriNetUnfolderBase]: For 139/139 co-relation queries the response was YES. [2024-11-10 14:30:41,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2995 conditions, 1912 events. 417/1912 cut-off events. For 139/139 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10550 event pairs, 416 based on Foata normal form. 0/1779 useless extension candidates. Maximal degree in co-relation 2979. Up to 914 conditions per place. [2024-11-10 14:30:41,046 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 81 selfloop transitions, 5 changer transitions 0/352 dead transitions. [2024-11-10 14:30:41,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 352 transitions, 1130 flow [2024-11-10 14:30:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1539 transitions. [2024-11-10 14:30:41,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7725903614457831 [2024-11-10 14:30:41,049 INFO L175 Difference]: Start difference. First operand has 390 places, 353 transitions, 960 flow. Second operand 6 states and 1539 transitions. [2024-11-10 14:30:41,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 352 transitions, 1130 flow [2024-11-10 14:30:41,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 352 transitions, 1084 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-10 14:30:41,055 INFO L231 Difference]: Finished difference. Result has 376 places, 352 transitions, 922 flow [2024-11-10 14:30:41,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=376, PETRI_TRANSITIONS=352} [2024-11-10 14:30:41,057 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 45 predicate places. [2024-11-10 14:30:41,057 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 352 transitions, 922 flow [2024-11-10 14:30:41,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 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) [2024-11-10 14:30:41,058 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:41,058 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:41,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:30:41,058 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:41,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:41,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1063891340, now seen corresponding path program 1 times [2024-11-10 14:30:41,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:41,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719456765] [2024-11-10 14:30:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:41,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:41,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719456765] [2024-11-10 14:30:41,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719456765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:41,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:41,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:41,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284978125] [2024-11-10 14:30:41,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:41,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:41,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:41,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:41,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:42,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 332 [2024-11-10 14:30:42,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 352 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 267.8333333333333) internal successors, (1607), 6 states have internal predecessors, (1607), 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) [2024-11-10 14:30:42,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:42,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 332 [2024-11-10 14:30:42,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:42,590 INFO L124 PetriNetUnfolderBase]: 257/1707 cut-off events. [2024-11-10 14:30:42,591 INFO L125 PetriNetUnfolderBase]: For 131/131 co-relation queries the response was YES. [2024-11-10 14:30:42,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2438 conditions, 1707 events. 257/1707 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9075 event pairs, 37 based on Foata normal form. 0/1582 useless extension candidates. Maximal degree in co-relation 2421. Up to 436 conditions per place. [2024-11-10 14:30:42,596 INFO L140 encePairwiseOnDemand]: 303/332 looper letters, 68 selfloop transitions, 75 changer transitions 0/429 dead transitions. [2024-11-10 14:30:42,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 429 transitions, 1362 flow [2024-11-10 14:30:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1723 transitions. [2024-11-10 14:30:42,599 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8649598393574297 [2024-11-10 14:30:42,599 INFO L175 Difference]: Start difference. First operand has 376 places, 352 transitions, 922 flow. Second operand 6 states and 1723 transitions. [2024-11-10 14:30:42,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 429 transitions, 1362 flow [2024-11-10 14:30:42,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 429 transitions, 1352 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:42,607 INFO L231 Difference]: Finished difference. Result has 380 places, 420 transitions, 1392 flow [2024-11-10 14:30:42,607 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=910, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1392, PETRI_PLACES=380, PETRI_TRANSITIONS=420} [2024-11-10 14:30:42,608 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 49 predicate places. [2024-11-10 14:30:42,608 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 420 transitions, 1392 flow [2024-11-10 14:30:42,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 267.8333333333333) internal successors, (1607), 6 states have internal predecessors, (1607), 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) [2024-11-10 14:30:42,610 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:42,610 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:42,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:30:42,610 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:42,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:42,611 INFO L85 PathProgramCache]: Analyzing trace with hash 936201960, now seen corresponding path program 1 times [2024-11-10 14:30:42,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:42,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382687253] [2024-11-10 14:30:42,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:42,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:43,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:43,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382687253] [2024-11-10 14:30:43,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382687253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:43,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:43,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:43,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923271907] [2024-11-10 14:30:43,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:43,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:43,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:43,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:43,451 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 332 [2024-11-10 14:30:43,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 420 transitions, 1392 flow. Second operand has 6 states, 6 states have (on average 274.5) internal successors, (1647), 6 states have internal predecessors, (1647), 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) [2024-11-10 14:30:43,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:43,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 332 [2024-11-10 14:30:43,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:43,644 INFO L124 PetriNetUnfolderBase]: 193/1602 cut-off events. [2024-11-10 14:30:43,645 INFO L125 PetriNetUnfolderBase]: For 496/532 co-relation queries the response was YES. [2024-11-10 14:30:43,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2692 conditions, 1602 events. 193/1602 cut-off events. For 496/532 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8814 event pairs, 51 based on Foata normal form. 0/1499 useless extension candidates. Maximal degree in co-relation 2671. Up to 335 conditions per place. [2024-11-10 14:30:43,651 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 117 selfloop transitions, 5 changer transitions 0/419 dead transitions. [2024-11-10 14:30:43,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 419 transitions, 1634 flow [2024-11-10 14:30:43,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1679 transitions. [2024-11-10 14:30:43,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8428714859437751 [2024-11-10 14:30:43,654 INFO L175 Difference]: Start difference. First operand has 380 places, 420 transitions, 1392 flow. Second operand 6 states and 1679 transitions. [2024-11-10 14:30:43,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 419 transitions, 1634 flow [2024-11-10 14:30:43,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 419 transitions, 1634 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:30:43,661 INFO L231 Difference]: Finished difference. Result has 384 places, 419 transitions, 1400 flow [2024-11-10 14:30:43,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=1390, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1400, PETRI_PLACES=384, PETRI_TRANSITIONS=419} [2024-11-10 14:30:43,662 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 53 predicate places. [2024-11-10 14:30:43,662 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 419 transitions, 1400 flow [2024-11-10 14:30:43,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 274.5) internal successors, (1647), 6 states have internal predecessors, (1647), 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) [2024-11-10 14:30:43,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:43,663 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:43,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:30:43,663 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:43,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:43,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1459031542, now seen corresponding path program 1 times [2024-11-10 14:30:43,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:43,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860834132] [2024-11-10 14:30:43,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:43,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:44,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:44,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860834132] [2024-11-10 14:30:44,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860834132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:44,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:44,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:44,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128313688] [2024-11-10 14:30:44,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:44,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:44,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:44,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:44,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:44,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 332 [2024-11-10 14:30:44,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 419 transitions, 1400 flow. Second operand has 6 states, 6 states have (on average 250.16666666666666) internal successors, (1501), 6 states have internal predecessors, (1501), 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) [2024-11-10 14:30:44,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:44,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 332 [2024-11-10 14:30:44,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:44,733 INFO L124 PetriNetUnfolderBase]: 701/2973 cut-off events. [2024-11-10 14:30:44,733 INFO L125 PetriNetUnfolderBase]: For 972/1047 co-relation queries the response was YES. [2024-11-10 14:30:44,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5713 conditions, 2973 events. 701/2973 cut-off events. For 972/1047 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 19984 event pairs, 396 based on Foata normal form. 0/2772 useless extension candidates. Maximal degree in co-relation 5691. Up to 1483 conditions per place. [2024-11-10 14:30:44,745 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 146 selfloop transitions, 5 changer transitions 0/418 dead transitions. [2024-11-10 14:30:44,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 418 transitions, 1700 flow [2024-11-10 14:30:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1549 transitions. [2024-11-10 14:30:44,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7776104417670683 [2024-11-10 14:30:44,748 INFO L175 Difference]: Start difference. First operand has 384 places, 419 transitions, 1400 flow. Second operand 6 states and 1549 transitions. [2024-11-10 14:30:44,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 418 transitions, 1700 flow [2024-11-10 14:30:44,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 418 transitions, 1690 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:44,756 INFO L231 Difference]: Finished difference. Result has 383 places, 418 transitions, 1398 flow [2024-11-10 14:30:44,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=1388, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1398, PETRI_PLACES=383, PETRI_TRANSITIONS=418} [2024-11-10 14:30:44,757 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 52 predicate places. [2024-11-10 14:30:44,757 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 418 transitions, 1398 flow [2024-11-10 14:30:44,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 250.16666666666666) internal successors, (1501), 6 states have internal predecessors, (1501), 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) [2024-11-10 14:30:44,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:44,758 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:44,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:30:44,758 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:44,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:44,758 INFO L85 PathProgramCache]: Analyzing trace with hash 231718388, now seen corresponding path program 1 times [2024-11-10 14:30:44,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:44,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342309527] [2024-11-10 14:30:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:44,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:45,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:45,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342309527] [2024-11-10 14:30:45,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342309527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:45,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:45,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:45,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018533341] [2024-11-10 14:30:45,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:45,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:45,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:45,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:45,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:45,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 332 [2024-11-10 14:30:45,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 418 transitions, 1398 flow. Second operand has 6 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 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) [2024-11-10 14:30:45,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:45,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 332 [2024-11-10 14:30:45,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:45,814 INFO L124 PetriNetUnfolderBase]: 717/2994 cut-off events. [2024-11-10 14:30:45,814 INFO L125 PetriNetUnfolderBase]: For 957/1018 co-relation queries the response was YES. [2024-11-10 14:30:45,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5766 conditions, 2994 events. 717/2994 cut-off events. For 957/1018 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 19830 event pairs, 399 based on Foata normal form. 0/2774 useless extension candidates. Maximal degree in co-relation 5744. Up to 1484 conditions per place. [2024-11-10 14:30:45,828 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 145 selfloop transitions, 5 changer transitions 0/417 dead transitions. [2024-11-10 14:30:45,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 417 transitions, 1696 flow [2024-11-10 14:30:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:45,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1554 transitions. [2024-11-10 14:30:45,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7801204819277109 [2024-11-10 14:30:45,831 INFO L175 Difference]: Start difference. First operand has 383 places, 418 transitions, 1398 flow. Second operand 6 states and 1554 transitions. [2024-11-10 14:30:45,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 417 transitions, 1696 flow [2024-11-10 14:30:45,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 417 transitions, 1686 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:45,838 INFO L231 Difference]: Finished difference. Result has 382 places, 417 transitions, 1396 flow [2024-11-10 14:30:45,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=1386, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1396, PETRI_PLACES=382, PETRI_TRANSITIONS=417} [2024-11-10 14:30:45,839 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 51 predicate places. [2024-11-10 14:30:45,839 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 417 transitions, 1396 flow [2024-11-10 14:30:45,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 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) [2024-11-10 14:30:45,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:45,840 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:45,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:30:45,840 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:45,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash -719753194, now seen corresponding path program 1 times [2024-11-10 14:30:45,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:45,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282094712] [2024-11-10 14:30:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:45,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:46,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282094712] [2024-11-10 14:30:46,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282094712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:46,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:46,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:46,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528713098] [2024-11-10 14:30:46,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:46,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:46,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:46,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:46,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:46,720 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 332 [2024-11-10 14:30:46,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 417 transitions, 1396 flow. Second operand has 6 states, 6 states have (on average 276.1666666666667) internal successors, (1657), 6 states have internal predecessors, (1657), 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) [2024-11-10 14:30:46,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:46,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 332 [2024-11-10 14:30:46,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:47,104 INFO L124 PetriNetUnfolderBase]: 530/2551 cut-off events. [2024-11-10 14:30:47,105 INFO L125 PetriNetUnfolderBase]: For 957/1059 co-relation queries the response was YES. [2024-11-10 14:30:47,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4754 conditions, 2551 events. 530/2551 cut-off events. For 957/1059 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16110 event pairs, 93 based on Foata normal form. 16/2402 useless extension candidates. Maximal degree in co-relation 4732. Up to 813 conditions per place. [2024-11-10 14:30:47,118 INFO L140 encePairwiseOnDemand]: 309/332 looper letters, 131 selfloop transitions, 130 changer transitions 0/554 dead transitions. [2024-11-10 14:30:47,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 554 transitions, 2568 flow [2024-11-10 14:30:47,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1757 transitions. [2024-11-10 14:30:47,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8820281124497992 [2024-11-10 14:30:47,120 INFO L175 Difference]: Start difference. First operand has 382 places, 417 transitions, 1396 flow. Second operand 6 states and 1757 transitions. [2024-11-10 14:30:47,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 554 transitions, 2568 flow [2024-11-10 14:30:47,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 554 transitions, 2558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:47,130 INFO L231 Difference]: Finished difference. Result has 387 places, 546 transitions, 2614 flow [2024-11-10 14:30:47,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=1386, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2614, PETRI_PLACES=387, PETRI_TRANSITIONS=546} [2024-11-10 14:30:47,131 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 56 predicate places. [2024-11-10 14:30:47,131 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 546 transitions, 2614 flow [2024-11-10 14:30:47,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 276.1666666666667) internal successors, (1657), 6 states have internal predecessors, (1657), 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) [2024-11-10 14:30:47,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:47,132 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:47,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:30:47,132 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:47,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:47,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1711945375, now seen corresponding path program 1 times [2024-11-10 14:30:47,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:47,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283194976] [2024-11-10 14:30:47,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:47,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:47,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:47,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283194976] [2024-11-10 14:30:47,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283194976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:47,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:47,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:47,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585039580] [2024-11-10 14:30:47,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:47,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:47,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:47,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:47,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:47,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 332 [2024-11-10 14:30:47,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 546 transitions, 2614 flow. Second operand has 6 states, 6 states have (on average 276.3333333333333) internal successors, (1658), 6 states have internal predecessors, (1658), 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) [2024-11-10 14:30:47,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:47,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 332 [2024-11-10 14:30:47,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:48,332 INFO L124 PetriNetUnfolderBase]: 806/3317 cut-off events. [2024-11-10 14:30:48,332 INFO L125 PetriNetUnfolderBase]: For 3332/3587 co-relation queries the response was YES. [2024-11-10 14:30:48,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7628 conditions, 3317 events. 806/3317 cut-off events. For 3332/3587 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22380 event pairs, 74 based on Foata normal form. 76/3218 useless extension candidates. Maximal degree in co-relation 7602. Up to 1071 conditions per place. [2024-11-10 14:30:48,348 INFO L140 encePairwiseOnDemand]: 309/332 looper letters, 251 selfloop transitions, 131 changer transitions 5/684 dead transitions. [2024-11-10 14:30:48,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 684 transitions, 4288 flow [2024-11-10 14:30:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1758 transitions. [2024-11-10 14:30:48,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8825301204819277 [2024-11-10 14:30:48,350 INFO L175 Difference]: Start difference. First operand has 387 places, 546 transitions, 2614 flow. Second operand 6 states and 1758 transitions. [2024-11-10 14:30:48,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 684 transitions, 4288 flow [2024-11-10 14:30:48,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 684 transitions, 4288 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:30:48,363 INFO L231 Difference]: Finished difference. Result has 397 places, 674 transitions, 4094 flow [2024-11-10 14:30:48,364 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=2614, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4094, PETRI_PLACES=397, PETRI_TRANSITIONS=674} [2024-11-10 14:30:48,364 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 66 predicate places. [2024-11-10 14:30:48,364 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 674 transitions, 4094 flow [2024-11-10 14:30:48,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 276.3333333333333) internal successors, (1658), 6 states have internal predecessors, (1658), 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) [2024-11-10 14:30:48,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:48,365 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:48,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:30:48,365 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:48,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:48,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1562049255, now seen corresponding path program 1 times [2024-11-10 14:30:48,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:48,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112346969] [2024-11-10 14:30:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:48,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:48,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112346969] [2024-11-10 14:30:48,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112346969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:48,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:48,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:48,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042477534] [2024-11-10 14:30:48,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:48,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:48,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:48,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:49,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:30:49,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 674 transitions, 4094 flow. Second operand has 6 states, 6 states have (on average 256.6666666666667) internal successors, (1540), 6 states have internal predecessors, (1540), 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) [2024-11-10 14:30:49,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:49,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:30:49,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:49,686 INFO L124 PetriNetUnfolderBase]: 1308/4661 cut-off events. [2024-11-10 14:30:49,686 INFO L125 PetriNetUnfolderBase]: For 4880/4937 co-relation queries the response was YES. [2024-11-10 14:30:49,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12227 conditions, 4661 events. 1308/4661 cut-off events. For 4880/4937 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33819 event pairs, 369 based on Foata normal form. 11/4427 useless extension candidates. Maximal degree in co-relation 12196. Up to 2225 conditions per place. [2024-11-10 14:30:49,710 INFO L140 encePairwiseOnDemand]: 313/332 looper letters, 316 selfloop transitions, 84 changer transitions 0/753 dead transitions. [2024-11-10 14:30:49,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 753 transitions, 5292 flow [2024-11-10 14:30:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1636 transitions. [2024-11-10 14:30:49,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.821285140562249 [2024-11-10 14:30:49,712 INFO L175 Difference]: Start difference. First operand has 397 places, 674 transitions, 4094 flow. Second operand 6 states and 1636 transitions. [2024-11-10 14:30:49,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 753 transitions, 5292 flow [2024-11-10 14:30:49,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 753 transitions, 5038 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-10 14:30:49,733 INFO L231 Difference]: Finished difference. Result has 406 places, 745 transitions, 4630 flow [2024-11-10 14:30:49,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=3846, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4630, PETRI_PLACES=406, PETRI_TRANSITIONS=745} [2024-11-10 14:30:49,734 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 75 predicate places. [2024-11-10 14:30:49,734 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 745 transitions, 4630 flow [2024-11-10 14:30:49,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.6666666666667) internal successors, (1540), 6 states have internal predecessors, (1540), 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) [2024-11-10 14:30:49,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:49,735 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:49,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:30:49,735 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:49,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:49,735 INFO L85 PathProgramCache]: Analyzing trace with hash 822159893, now seen corresponding path program 1 times [2024-11-10 14:30:49,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:49,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8503688] [2024-11-10 14:30:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:49,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:50,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:50,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8503688] [2024-11-10 14:30:50,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8503688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:50,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:50,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 14:30:50,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911105356] [2024-11-10 14:30:50,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:50,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 14:30:50,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:50,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 14:30:50,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:30:53,055 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:30:53,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 745 transitions, 4630 flow. Second operand has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:30:53,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:53,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:30:53,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:53,965 INFO L124 PetriNetUnfolderBase]: 1017/3932 cut-off events. [2024-11-10 14:30:53,965 INFO L125 PetriNetUnfolderBase]: For 6137/6401 co-relation queries the response was YES. [2024-11-10 14:30:53,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11485 conditions, 3932 events. 1017/3932 cut-off events. For 6137/6401 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 27623 event pairs, 77 based on Foata normal form. 32/3816 useless extension candidates. Maximal degree in co-relation 11449. Up to 892 conditions per place. [2024-11-10 14:30:53,983 INFO L140 encePairwiseOnDemand]: 305/332 looper letters, 405 selfloop transitions, 147 changer transitions 1/870 dead transitions. [2024-11-10 14:30:53,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 870 transitions, 6670 flow [2024-11-10 14:30:53,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 14:30:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-10 14:30:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4652 transitions. [2024-11-10 14:30:53,987 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7784471218206158 [2024-11-10 14:30:53,987 INFO L175 Difference]: Start difference. First operand has 406 places, 745 transitions, 4630 flow. Second operand 18 states and 4652 transitions. [2024-11-10 14:30:53,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 870 transitions, 6670 flow [2024-11-10 14:30:54,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 870 transitions, 6598 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-10 14:30:54,018 INFO L231 Difference]: Finished difference. Result has 434 places, 802 transitions, 5588 flow [2024-11-10 14:30:54,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=4576, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=745, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5588, PETRI_PLACES=434, PETRI_TRANSITIONS=802} [2024-11-10 14:30:54,020 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 103 predicate places. [2024-11-10 14:30:54,020 INFO L471 AbstractCegarLoop]: Abstraction has has 434 places, 802 transitions, 5588 flow [2024-11-10 14:30:54,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:30:54,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:54,021 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:54,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:30:54,022 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:54,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:54,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1401446391, now seen corresponding path program 2 times [2024-11-10 14:30:54,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:54,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168548338] [2024-11-10 14:30:54,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:54,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:55,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:55,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168548338] [2024-11-10 14:30:55,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168548338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:55,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:55,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 14:30:55,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060471504] [2024-11-10 14:30:55,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:55,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 14:30:55,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:55,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 14:30:55,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:30:57,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:30:57,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 802 transitions, 5588 flow. Second operand has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:30:57,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:57,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:30:57,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:58,921 INFO L124 PetriNetUnfolderBase]: 1506/5682 cut-off events. [2024-11-10 14:30:58,921 INFO L125 PetriNetUnfolderBase]: For 13152/13565 co-relation queries the response was YES. [2024-11-10 14:30:58,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17772 conditions, 5682 events. 1506/5682 cut-off events. For 13152/13565 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 45288 event pairs, 98 based on Foata normal form. 215/5703 useless extension candidates. Maximal degree in co-relation 17724. Up to 1307 conditions per place. [2024-11-10 14:30:58,963 INFO L140 encePairwiseOnDemand]: 294/332 looper letters, 423 selfloop transitions, 265 changer transitions 4/1009 dead transitions. [2024-11-10 14:30:58,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 1009 transitions, 8800 flow [2024-11-10 14:30:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:30:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:30:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3187 transitions. [2024-11-10 14:30:58,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7999497991967871 [2024-11-10 14:30:58,966 INFO L175 Difference]: Start difference. First operand has 434 places, 802 transitions, 5588 flow. Second operand 12 states and 3187 transitions. [2024-11-10 14:30:58,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 1009 transitions, 8800 flow [2024-11-10 14:30:59,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 1009 transitions, 8750 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:59,024 INFO L231 Difference]: Finished difference. Result has 445 places, 903 transitions, 7787 flow [2024-11-10 14:30:59,025 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=5560, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7787, PETRI_PLACES=445, PETRI_TRANSITIONS=903} [2024-11-10 14:30:59,025 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 114 predicate places. [2024-11-10 14:30:59,025 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 903 transitions, 7787 flow [2024-11-10 14:30:59,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:30:59,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:59,026 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:30:59,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:30:59,027 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:30:59,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:59,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1869288137, now seen corresponding path program 3 times [2024-11-10 14:30:59,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:59,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531075842] [2024-11-10 14:30:59,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:59,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:00,085 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:31:00,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:00,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531075842] [2024-11-10 14:31:00,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531075842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:00,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:00,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 14:31:00,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014981318] [2024-11-10 14:31:00,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:00,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 14:31:00,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:00,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 14:31:00,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:31:02,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:31:02,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 903 transitions, 7787 flow. Second operand has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:02,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:02,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:31:02,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:04,312 INFO L124 PetriNetUnfolderBase]: 2360/8783 cut-off events. [2024-11-10 14:31:04,312 INFO L125 PetriNetUnfolderBase]: For 29597/30251 co-relation queries the response was YES. [2024-11-10 14:31:04,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29131 conditions, 8783 events. 2360/8783 cut-off events. For 29597/30251 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 80501 event pairs, 161 based on Foata normal form. 231/8698 useless extension candidates. Maximal degree in co-relation 29078. Up to 1941 conditions per place. [2024-11-10 14:31:04,372 INFO L140 encePairwiseOnDemand]: 297/332 looper letters, 560 selfloop transitions, 333 changer transitions 1/1211 dead transitions. [2024-11-10 14:31:04,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 1211 transitions, 13132 flow [2024-11-10 14:31:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 14:31:04,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 14:31:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4413 transitions. [2024-11-10 14:31:04,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7818922749822821 [2024-11-10 14:31:04,376 INFO L175 Difference]: Start difference. First operand has 445 places, 903 transitions, 7787 flow. Second operand 17 states and 4413 transitions. [2024-11-10 14:31:04,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 1211 transitions, 13132 flow [2024-11-10 14:31:04,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 1211 transitions, 13012 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:31:04,467 INFO L231 Difference]: Finished difference. Result has 466 places, 1063 transitions, 11417 flow [2024-11-10 14:31:04,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=7699, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11417, PETRI_PLACES=466, PETRI_TRANSITIONS=1063} [2024-11-10 14:31:04,468 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 135 predicate places. [2024-11-10 14:31:04,468 INFO L471 AbstractCegarLoop]: Abstraction has has 466 places, 1063 transitions, 11417 flow [2024-11-10 14:31:04,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:04,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:04,469 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:31:04,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:31:04,469 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:31:04,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:04,470 INFO L85 PathProgramCache]: Analyzing trace with hash -998946743, now seen corresponding path program 4 times [2024-11-10 14:31:04,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:04,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389095899] [2024-11-10 14:31:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:04,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:31:05,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:05,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389095899] [2024-11-10 14:31:05,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389095899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:05,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:05,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 14:31:05,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296725399] [2024-11-10 14:31:05,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:05,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 14:31:05,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:05,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 14:31:05,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:31:07,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:31:07,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 1063 transitions, 11417 flow. Second operand has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:07,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:07,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:31:07,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:10,662 INFO L124 PetriNetUnfolderBase]: 3115/11618 cut-off events. [2024-11-10 14:31:10,662 INFO L125 PetriNetUnfolderBase]: For 54994/56014 co-relation queries the response was YES. [2024-11-10 14:31:10,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40507 conditions, 11618 events. 3115/11618 cut-off events. For 54994/56014 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 115614 event pairs, 207 based on Foata normal form. 475/11672 useless extension candidates. Maximal degree in co-relation 40443. Up to 2570 conditions per place. [2024-11-10 14:31:10,741 INFO L140 encePairwiseOnDemand]: 294/332 looper letters, 578 selfloop transitions, 424 changer transitions 4/1323 dead transitions. [2024-11-10 14:31:10,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 1323 transitions, 16807 flow [2024-11-10 14:31:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 14:31:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-10 14:31:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3948 transitions. [2024-11-10 14:31:10,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7927710843373494 [2024-11-10 14:31:10,744 INFO L175 Difference]: Start difference. First operand has 466 places, 1063 transitions, 11417 flow. Second operand 15 states and 3948 transitions. [2024-11-10 14:31:10,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 1323 transitions, 16807 flow [2024-11-10 14:31:10,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 1323 transitions, 16706 flow, removed 47 selfloop flow, removed 3 redundant places. [2024-11-10 14:31:10,867 INFO L231 Difference]: Finished difference. Result has 486 places, 1204 transitions, 15644 flow [2024-11-10 14:31:10,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=11328, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15644, PETRI_PLACES=486, PETRI_TRANSITIONS=1204} [2024-11-10 14:31:10,868 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 155 predicate places. [2024-11-10 14:31:10,868 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 1204 transitions, 15644 flow [2024-11-10 14:31:10,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:10,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:10,869 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:31:10,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:31:10,869 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:31:10,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:10,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1861422327, now seen corresponding path program 5 times [2024-11-10 14:31:10,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:10,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223153085] [2024-11-10 14:31:10,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:10,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:31:11,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:11,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223153085] [2024-11-10 14:31:11,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223153085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:11,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:11,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 14:31:11,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942026960] [2024-11-10 14:31:11,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:11,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 14:31:11,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:11,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 14:31:11,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:31:14,153 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:31:14,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 1204 transitions, 15644 flow. Second operand has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:14,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:14,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:31:14,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:17,770 INFO L124 PetriNetUnfolderBase]: 3897/14623 cut-off events. [2024-11-10 14:31:17,771 INFO L125 PetriNetUnfolderBase]: For 89335/90463 co-relation queries the response was YES. [2024-11-10 14:31:17,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53033 conditions, 14623 events. 3897/14623 cut-off events. For 89335/90463 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 155675 event pairs, 234 based on Foata normal form. 364/14439 useless extension candidates. Maximal degree in co-relation 52960. Up to 3208 conditions per place. [2024-11-10 14:31:17,904 INFO L140 encePairwiseOnDemand]: 296/332 looper letters, 706 selfloop transitions, 489 changer transitions 2/1514 dead transitions. [2024-11-10 14:31:17,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 1514 transitions, 22754 flow [2024-11-10 14:31:17,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 14:31:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 14:31:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4435 transitions. [2024-11-10 14:31:17,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7857902197023388 [2024-11-10 14:31:17,909 INFO L175 Difference]: Start difference. First operand has 486 places, 1204 transitions, 15644 flow. Second operand 17 states and 4435 transitions. [2024-11-10 14:31:17,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 1514 transitions, 22754 flow [2024-11-10 14:31:18,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 1514 transitions, 22599 flow, removed 36 selfloop flow, removed 5 redundant places. [2024-11-10 14:31:18,132 INFO L231 Difference]: Finished difference. Result has 509 places, 1369 transitions, 20621 flow [2024-11-10 14:31:18,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=15503, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=739, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=20621, PETRI_PLACES=509, PETRI_TRANSITIONS=1369} [2024-11-10 14:31:18,133 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 178 predicate places. [2024-11-10 14:31:18,133 INFO L471 AbstractCegarLoop]: Abstraction has has 509 places, 1369 transitions, 20621 flow [2024-11-10 14:31:18,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:18,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:18,134 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:31:18,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 14:31:18,135 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:31:18,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:18,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1864047749, now seen corresponding path program 6 times [2024-11-10 14:31:18,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:18,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470912962] [2024-11-10 14:31:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:31:19,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:19,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470912962] [2024-11-10 14:31:19,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470912962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:19,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:19,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 14:31:19,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935991945] [2024-11-10 14:31:19,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:19,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 14:31:19,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:19,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 14:31:19,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-10 14:31:21,258 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:31:21,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 1369 transitions, 20621 flow. Second operand has 13 states, 13 states have (on average 253.69230769230768) internal successors, (3298), 13 states have internal predecessors, (3298), 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) [2024-11-10 14:31:21,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:21,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:31:21,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:25,683 INFO L124 PetriNetUnfolderBase]: 4652/17656 cut-off events. [2024-11-10 14:31:25,684 INFO L125 PetriNetUnfolderBase]: For 127348/128860 co-relation queries the response was YES. [2024-11-10 14:31:25,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66352 conditions, 17656 events. 4652/17656 cut-off events. For 127348/128860 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 196561 event pairs, 296 based on Foata normal form. 716/17716 useless extension candidates. Maximal degree in co-relation 66267. Up to 3823 conditions per place. [2024-11-10 14:31:25,871 INFO L140 encePairwiseOnDemand]: 295/332 looper letters, 601 selfloop transitions, 692 changer transitions 3/1613 dead transitions. [2024-11-10 14:31:25,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 1613 transitions, 27385 flow [2024-11-10 14:31:25,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 14:31:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-10 14:31:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3423 transitions. [2024-11-10 14:31:25,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7930954587581094 [2024-11-10 14:31:25,875 INFO L175 Difference]: Start difference. First operand has 509 places, 1369 transitions, 20621 flow. Second operand 13 states and 3423 transitions. [2024-11-10 14:31:25,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 1613 transitions, 27385 flow [2024-11-10 14:31:26,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 1613 transitions, 27090 flow, removed 144 selfloop flow, removed 3 redundant places. [2024-11-10 14:31:26,232 INFO L231 Difference]: Finished difference. Result has 526 places, 1512 transitions, 26641 flow [2024-11-10 14:31:26,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=20360, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=554, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=26641, PETRI_PLACES=526, PETRI_TRANSITIONS=1512} [2024-11-10 14:31:26,234 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 195 predicate places. [2024-11-10 14:31:26,234 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 1512 transitions, 26641 flow [2024-11-10 14:31:26,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 253.69230769230768) internal successors, (3298), 13 states have internal predecessors, (3298), 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) [2024-11-10 14:31:26,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:26,235 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:31:26,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 14:31:26,235 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:31:26,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1894576345, now seen corresponding path program 7 times [2024-11-10 14:31:26,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:26,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195915155] [2024-11-10 14:31:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:31:27,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:27,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195915155] [2024-11-10 14:31:27,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195915155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:27,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:27,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 14:31:27,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9564022] [2024-11-10 14:31:27,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:27,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 14:31:27,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:27,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 14:31:27,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 14:31:28,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:31:28,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 1512 transitions, 26641 flow. Second operand has 12 states, 12 states have (on average 254.08333333333334) internal successors, (3049), 12 states have internal predecessors, (3049), 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) [2024-11-10 14:31:28,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:28,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:31:28,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:33,866 INFO L124 PetriNetUnfolderBase]: 5105/19238 cut-off events. [2024-11-10 14:31:33,866 INFO L125 PetriNetUnfolderBase]: For 175958/177938 co-relation queries the response was YES. [2024-11-10 14:31:34,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75633 conditions, 19238 events. 5105/19238 cut-off events. For 175958/177938 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 217786 event pairs, 319 based on Foata normal form. 1079/19607 useless extension candidates. Maximal degree in co-relation 75540. Up to 4184 conditions per place. [2024-11-10 14:31:34,073 INFO L140 encePairwiseOnDemand]: 296/332 looper letters, 611 selfloop transitions, 787 changer transitions 2/1717 dead transitions. [2024-11-10 14:31:34,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 1717 transitions, 33247 flow [2024-11-10 14:31:34,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 14:31:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-10 14:31:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3404 transitions. [2024-11-10 14:31:34,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.788693234476367 [2024-11-10 14:31:34,077 INFO L175 Difference]: Start difference. First operand has 526 places, 1512 transitions, 26641 flow. Second operand 13 states and 3404 transitions. [2024-11-10 14:31:34,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 1717 transitions, 33247 flow [2024-11-10 14:31:34,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 1717 transitions, 33070 flow, removed 67 selfloop flow, removed 4 redundant places. [2024-11-10 14:31:34,528 INFO L231 Difference]: Finished difference. Result has 542 places, 1621 transitions, 32755 flow [2024-11-10 14:31:34,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=26495, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=679, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=732, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=32755, PETRI_PLACES=542, PETRI_TRANSITIONS=1621} [2024-11-10 14:31:34,529 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 211 predicate places. [2024-11-10 14:31:34,530 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 1621 transitions, 32755 flow [2024-11-10 14:31:34,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 254.08333333333334) internal successors, (3049), 12 states have internal predecessors, (3049), 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) [2024-11-10 14:31:34,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:34,531 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:31:34,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 14:31:34,531 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:31:34,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:34,531 INFO L85 PathProgramCache]: Analyzing trace with hash -254739523, now seen corresponding path program 8 times [2024-11-10 14:31:34,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:34,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327792321] [2024-11-10 14:31:34,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:34,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:31:35,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:35,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327792321] [2024-11-10 14:31:35,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327792321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:35,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:35,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 14:31:35,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364664506] [2024-11-10 14:31:35,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:35,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 14:31:35,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:35,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 14:31:35,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:31:38,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:31:38,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 1621 transitions, 32755 flow. Second operand has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:38,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:38,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:31:38,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:44,558 INFO L124 PetriNetUnfolderBase]: 5585/21042 cut-off events. [2024-11-10 14:31:44,558 INFO L125 PetriNetUnfolderBase]: For 245269/247142 co-relation queries the response was YES. [2024-11-10 14:31:44,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87050 conditions, 21042 events. 5585/21042 cut-off events. For 245269/247142 co-relation queries the response was YES. Maximal size of possible extension queue 585. Compared 242953 event pairs, 353 based on Foata normal form. 1005/21262 useless extension candidates. Maximal degree in co-relation 86949. Up to 4604 conditions per place. [2024-11-10 14:31:44,771 INFO L140 encePairwiseOnDemand]: 295/332 looper letters, 851 selfloop transitions, 703 changer transitions 3/1874 dead transitions. [2024-11-10 14:31:44,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 1874 transitions, 40657 flow [2024-11-10 14:31:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 14:31:44,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-10 14:31:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4194 transitions. [2024-11-10 14:31:44,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7895331325301205 [2024-11-10 14:31:44,774 INFO L175 Difference]: Start difference. First operand has 542 places, 1621 transitions, 32755 flow. Second operand 16 states and 4194 transitions. [2024-11-10 14:31:44,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 1874 transitions, 40657 flow [2024-11-10 14:31:45,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 1874 transitions, 40552 flow, removed 49 selfloop flow, removed 3 redundant places. [2024-11-10 14:31:45,278 INFO L231 Difference]: Finished difference. Result has 562 places, 1744 transitions, 38529 flow [2024-11-10 14:31:45,280 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=32668, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=585, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=927, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=38529, PETRI_PLACES=562, PETRI_TRANSITIONS=1744} [2024-11-10 14:31:45,280 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 231 predicate places. [2024-11-10 14:31:45,280 INFO L471 AbstractCegarLoop]: Abstraction has has 562 places, 1744 transitions, 38529 flow [2024-11-10 14:31:45,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 253.35714285714286) internal successors, (3547), 14 states have internal predecessors, (3547), 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) [2024-11-10 14:31:45,281 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:45,281 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:31:45,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 14:31:45,282 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:31:45,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:45,282 INFO L85 PathProgramCache]: Analyzing trace with hash 673892179, now seen corresponding path program 9 times [2024-11-10 14:31:45,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:45,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121845796] [2024-11-10 14:31:45,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:45,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:31:46,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:46,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121845796] [2024-11-10 14:31:46,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121845796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:46,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:46,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 14:31:46,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363560833] [2024-11-10 14:31:46,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:46,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 14:31:46,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:46,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 14:31:46,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-10 14:31:48,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 332 [2024-11-10 14:31:48,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 1744 transitions, 38529 flow. Second operand has 13 states, 13 states have (on average 253.69230769230768) internal successors, (3298), 13 states have internal predecessors, (3298), 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) [2024-11-10 14:31:48,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:48,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 332 [2024-11-10 14:31:48,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:55,106 INFO L124 PetriNetUnfolderBase]: 5993/22683 cut-off events. [2024-11-10 14:31:55,106 INFO L125 PetriNetUnfolderBase]: For 296007/298039 co-relation queries the response was YES. [2024-11-10 14:31:55,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97008 conditions, 22683 events. 5993/22683 cut-off events. For 296007/298039 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 266470 event pairs, 366 based on Foata normal form. 1121/22959 useless extension candidates. Maximal degree in co-relation 96899. Up to 4954 conditions per place. [2024-11-10 14:31:55,355 INFO L140 encePairwiseOnDemand]: 295/332 looper letters, 747 selfloop transitions, 895 changer transitions 3/1962 dead transitions. [2024-11-10 14:31:55,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 1962 transitions, 46320 flow [2024-11-10 14:31:55,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 14:31:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-10 14:31:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3934 transitions. [2024-11-10 14:31:55,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7899598393574297 [2024-11-10 14:31:55,358 INFO L175 Difference]: Start difference. First operand has 562 places, 1744 transitions, 38529 flow. Second operand 15 states and 3934 transitions. [2024-11-10 14:31:55,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 1962 transitions, 46320 flow [2024-11-10 14:31:56,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 1962 transitions, 45229 flow, removed 59 selfloop flow, removed 5 redundant places. [2024-11-10 14:31:56,038 INFO L231 Difference]: Finished difference. Result has 576 places, 1854 transitions, 43836 flow [2024-11-10 14:31:56,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=37528, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=788, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=856, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=43836, PETRI_PLACES=576, PETRI_TRANSITIONS=1854} [2024-11-10 14:31:56,039 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, 245 predicate places. [2024-11-10 14:31:56,039 INFO L471 AbstractCegarLoop]: Abstraction has has 576 places, 1854 transitions, 43836 flow [2024-11-10 14:31:56,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 253.69230769230768) internal successors, (3298), 13 states have internal predecessors, (3298), 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) [2024-11-10 14:31:56,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:56,040 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 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] [2024-11-10 14:31:56,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 14:31:56,040 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-10 14:31:56,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:56,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1846958759, now seen corresponding path program 10 times [2024-11-10 14:31:56,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:56,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074955140] [2024-11-10 14:31:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:56,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat