./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC --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 446ad788bb04ab307771e8b8b2d959cead97e99c160d020f0d1d03b043f9ed25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:32:02,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:32:02,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 18:32:02,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:32:02,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:32:03,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:32:03,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:32:03,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:32:03,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:32:03,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:32:03,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:32:03,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:32:03,017 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:32:03,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:32:03,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:32:03,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:32:03,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:32:03,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:32:03,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:32:03,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:32:03,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:32:03,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:32:03,019 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 18:32:03,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:32:03,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:32:03,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:32:03,020 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:32:03,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:32:03,020 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:32:03,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:32:03,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:32:03,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:32:03,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:32:03,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:32:03,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:32:03,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:32:03,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:32:03,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:32:03,022 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:32:03,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:32:03,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:32:03,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:32:03,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:32:03,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:32:03,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:32:03,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:32:03,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC 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 -> 446ad788bb04ab307771e8b8b2d959cead97e99c160d020f0d1d03b043f9ed25 [2024-11-23 18:32:03,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:32:03,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:32:03,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:32:03,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:32:03,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:32:03,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i [2024-11-23 18:32:07,001 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/data/80b62875f/e142549025a04bac91335c00e30ea52b/FLAG33eeb19b2 [2024-11-23 18:32:07,446 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:32:07,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter.i [2024-11-23 18:32:07,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/data/80b62875f/e142549025a04bac91335c00e30ea52b/FLAG33eeb19b2 [2024-11-23 18:32:07,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/data/80b62875f/e142549025a04bac91335c00e30ea52b [2024-11-23 18:32:07,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:32:07,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:32:07,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:32:07,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:32:07,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:32:07,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:32:07" (1/1) ... [2024-11-23 18:32:07,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666ef18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:07, skipping insertion in model container [2024-11-23 18:32:07,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:32:07" (1/1) ... [2024-11-23 18:32:07,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:32:08,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:32:08,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:32:08,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:32:08,340 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:32:08,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08 WrapperNode [2024-11-23 18:32:08,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:32:08,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:32:08,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:32:08,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:32:08,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,432 INFO L138 Inliner]: procedures = 267, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 265 [2024-11-23 18:32:08,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:32:08,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:32:08,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:32:08,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:32:08,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,492 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:32:08,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:32:08,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:32:08,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:32:08,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (1/1) ... [2024-11-23 18:32:08,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:32:08,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:32:08,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:32:08,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0763d7-05dd-4de6-9760-2431ad3e030d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:32:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:32:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 18:32:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 18:32:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 18:32:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 18:32:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:32:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:32:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-11-23 18:32:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-11-23 18:32:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 18:32:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-23 18:32:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-23 18:32:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:32:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:32:08,599 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 18:32:08,836 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:32:08,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:32:09,683 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 18:32:09,683 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:32:09,743 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:32:09,744 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-23 18:32:09,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:09 BoogieIcfgContainer [2024-11-23 18:32:09,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:32:09,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:32:09,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:32:09,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:32:09,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:32:07" (1/3) ... [2024-11-23 18:32:09,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280d09a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:32:09, skipping insertion in model container [2024-11-23 18:32:09,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:08" (2/3) ... [2024-11-23 18:32:09,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280d09a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:32:09, skipping insertion in model container [2024-11-23 18:32:09,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:09" (3/3) ... [2024-11-23 18:32:09,763 INFO L128 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter.i [2024-11-23 18:32:09,784 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:32:09,786 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-join-counter.i that has 3 procedures, 386 locations, 1 initial locations, 5 loop locations, and 34 error locations. [2024-11-23 18:32:09,786 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 18:32:09,985 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 18:32:10,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 460 places, 469 transitions, 952 flow [2024-11-23 18:32:10,481 INFO L124 PetriNetUnfolderBase]: 21/588 cut-off events. [2024-11-23 18:32:10,487 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 18:32:10,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 588 events. 21/588 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 909 event pairs, 0 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 376. Up to 6 conditions per place. [2024-11-23 18:32:10,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 460 places, 469 transitions, 952 flow [2024-11-23 18:32:10,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 391 places, 396 transitions, 802 flow [2024-11-23 18:32:10,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:32:10,565 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;@1fcfc4e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:32:10,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-23 18:32:10,642 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 18:32:10,646 INFO L124 PetriNetUnfolderBase]: 0/147 cut-off events. [2024-11-23 18:32:10,646 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 18:32:10,646 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:10,647 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:10,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:10,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:10,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1103863155, now seen corresponding path program 1 times [2024-11-23 18:32:10,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:10,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905075697] [2024-11-23 18:32:10,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:11,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:11,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905075697] [2024-11-23 18:32:11,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905075697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:11,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:11,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:11,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801818547] [2024-11-23 18:32:11,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:11,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:11,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:11,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:11,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:11,518 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 469 [2024-11-23 18:32:11,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 396 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2024-11-23 18:32:11,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:11,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 469 [2024-11-23 18:32:11,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:13,380 INFO L124 PetriNetUnfolderBase]: 654/4276 cut-off events. [2024-11-23 18:32:13,380 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-23 18:32:13,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5312 conditions, 4276 events. 654/4276 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 33139 event pairs, 489 based on Foata normal form. 182/3761 useless extension candidates. Maximal degree in co-relation 5080. Up to 1006 conditions per place. [2024-11-23 18:32:13,427 INFO L140 encePairwiseOnDemand]: 459/469 looper letters, 28 selfloop transitions, 2 changer transitions 1/386 dead transitions. [2024-11-23 18:32:13,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 842 flow [2024-11-23 18:32:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2024-11-23 18:32:13,464 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9267945984363894 [2024-11-23 18:32:13,466 INFO L175 Difference]: Start difference. First operand has 391 places, 396 transitions, 802 flow. Second operand 3 states and 1304 transitions. [2024-11-23 18:32:13,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 842 flow [2024-11-23 18:32:13,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 386 transitions, 841 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:32:13,492 INFO L231 Difference]: Finished difference. Result has 388 places, 385 transitions, 783 flow [2024-11-23 18:32:13,497 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=388, PETRI_TRANSITIONS=385} [2024-11-23 18:32:13,504 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -3 predicate places. [2024-11-23 18:32:13,504 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 385 transitions, 783 flow [2024-11-23 18:32:13,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2024-11-23 18:32:13,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:13,507 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:13,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:32:13,508 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:13,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:13,511 INFO L85 PathProgramCache]: Analyzing trace with hash 273112326, now seen corresponding path program 1 times [2024-11-23 18:32:13,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:13,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037823571] [2024-11-23 18:32:13,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:13,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:13,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:13,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037823571] [2024-11-23 18:32:13,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037823571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:13,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:13,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:13,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573314682] [2024-11-23 18:32:13,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:13,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:13,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:13,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:13,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:13,892 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 469 [2024-11-23 18:32:13,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 385 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 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) [2024-11-23 18:32:13,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:13,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 469 [2024-11-23 18:32:13,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:15,187 INFO L124 PetriNetUnfolderBase]: 760/4471 cut-off events. [2024-11-23 18:32:15,187 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-23 18:32:15,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5685 conditions, 4471 events. 760/4471 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 34872 event pairs, 564 based on Foata normal form. 0/3818 useless extension candidates. Maximal degree in co-relation 5528. Up to 1180 conditions per place. [2024-11-23 18:32:15,225 INFO L140 encePairwiseOnDemand]: 461/469 looper letters, 31 selfloop transitions, 1 changer transitions 0/378 dead transitions. [2024-11-23 18:32:15,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 378 transitions, 833 flow [2024-11-23 18:32:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:15,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1275 transitions. [2024-11-23 18:32:15,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.906183368869936 [2024-11-23 18:32:15,235 INFO L175 Difference]: Start difference. First operand has 388 places, 385 transitions, 783 flow. Second operand 3 states and 1275 transitions. [2024-11-23 18:32:15,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 378 transitions, 833 flow [2024-11-23 18:32:15,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 378 transitions, 829 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:32:15,246 INFO L231 Difference]: Finished difference. Result has 380 places, 378 transitions, 767 flow [2024-11-23 18:32:15,247 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=765, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=380, PETRI_TRANSITIONS=378} [2024-11-23 18:32:15,248 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -11 predicate places. [2024-11-23 18:32:15,248 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 378 transitions, 767 flow [2024-11-23 18:32:15,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 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) [2024-11-23 18:32:15,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:15,250 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:15,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:32:15,250 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:15,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2067446896, now seen corresponding path program 1 times [2024-11-23 18:32:15,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:15,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420524149] [2024-11-23 18:32:15,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:15,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:15,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420524149] [2024-11-23 18:32:15,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420524149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:15,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:15,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:15,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132744781] [2024-11-23 18:32:15,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:15,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:15,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:15,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:15,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:15,554 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 469 [2024-11-23 18:32:15,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 378 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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) [2024-11-23 18:32:15,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:15,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 469 [2024-11-23 18:32:15,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:16,917 INFO L124 PetriNetUnfolderBase]: 709/4509 cut-off events. [2024-11-23 18:32:16,917 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-23 18:32:16,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5643 conditions, 4509 events. 709/4509 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 36410 event pairs, 546 based on Foata normal form. 0/3827 useless extension candidates. Maximal degree in co-relation 5486. Up to 1102 conditions per place. [2024-11-23 18:32:16,977 INFO L140 encePairwiseOnDemand]: 466/469 looper letters, 24 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2024-11-23 18:32:16,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 377 transitions, 817 flow [2024-11-23 18:32:16,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1305 transitions. [2024-11-23 18:32:16,983 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9275053304904051 [2024-11-23 18:32:16,983 INFO L175 Difference]: Start difference. First operand has 380 places, 378 transitions, 767 flow. Second operand 3 states and 1305 transitions. [2024-11-23 18:32:16,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 377 transitions, 817 flow [2024-11-23 18:32:16,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 377 transitions, 816 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:32:16,997 INFO L231 Difference]: Finished difference. Result has 380 places, 377 transitions, 768 flow [2024-11-23 18:32:16,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=768, PETRI_PLACES=380, PETRI_TRANSITIONS=377} [2024-11-23 18:32:16,998 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -11 predicate places. [2024-11-23 18:32:16,999 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 377 transitions, 768 flow [2024-11-23 18:32:17,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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) [2024-11-23 18:32:17,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:17,001 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:17,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:32:17,002 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:17,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:17,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2130854668, now seen corresponding path program 1 times [2024-11-23 18:32:17,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:17,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783202510] [2024-11-23 18:32:17,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:17,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:17,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:17,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:17,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783202510] [2024-11-23 18:32:17,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783202510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:17,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:17,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:17,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246330499] [2024-11-23 18:32:17,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:17,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:17,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:17,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:17,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:17,327 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 469 [2024-11-23 18:32:17,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 377 transitions, 768 flow. Second operand has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 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) [2024-11-23 18:32:17,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:17,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 469 [2024-11-23 18:32:17,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:18,416 INFO L124 PetriNetUnfolderBase]: 835/4382 cut-off events. [2024-11-23 18:32:18,417 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-23 18:32:18,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5680 conditions, 4382 events. 835/4382 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 33697 event pairs, 605 based on Foata normal form. 0/3739 useless extension candidates. Maximal degree in co-relation 5523. Up to 1258 conditions per place. [2024-11-23 18:32:18,456 INFO L140 encePairwiseOnDemand]: 466/469 looper letters, 24 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2024-11-23 18:32:18,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 376 transitions, 818 flow [2024-11-23 18:32:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:18,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2024-11-23 18:32:18,463 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253731343283582 [2024-11-23 18:32:18,463 INFO L175 Difference]: Start difference. First operand has 380 places, 377 transitions, 768 flow. Second operand 3 states and 1302 transitions. [2024-11-23 18:32:18,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 376 transitions, 818 flow [2024-11-23 18:32:18,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 376 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:32:18,471 INFO L231 Difference]: Finished difference. Result has 379 places, 376 transitions, 766 flow [2024-11-23 18:32:18,472 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=379, PETRI_TRANSITIONS=376} [2024-11-23 18:32:18,475 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -12 predicate places. [2024-11-23 18:32:18,475 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 376 transitions, 766 flow [2024-11-23 18:32:18,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 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) [2024-11-23 18:32:18,477 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:18,477 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:18,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:32:18,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:18,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:18,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1359837562, now seen corresponding path program 1 times [2024-11-23 18:32:18,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:18,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425588821] [2024-11-23 18:32:18,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:18,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:18,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:18,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425588821] [2024-11-23 18:32:18,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425588821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:18,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:18,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:18,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137745707] [2024-11-23 18:32:18,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:18,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:18,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:18,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:18,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:18,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 469 [2024-11-23 18:32:18,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 376 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-23 18:32:18,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:18,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 469 [2024-11-23 18:32:18,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:19,729 INFO L124 PetriNetUnfolderBase]: 991/4610 cut-off events. [2024-11-23 18:32:19,729 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-23 18:32:19,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6127 conditions, 4610 events. 991/4610 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 36102 event pairs, 713 based on Foata normal form. 0/3940 useless extension candidates. Maximal degree in co-relation 5970. Up to 1475 conditions per place. [2024-11-23 18:32:19,765 INFO L140 encePairwiseOnDemand]: 466/469 looper letters, 26 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2024-11-23 18:32:19,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 375 transitions, 820 flow [2024-11-23 18:32:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2024-11-23 18:32:19,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9225302061122956 [2024-11-23 18:32:19,770 INFO L175 Difference]: Start difference. First operand has 379 places, 376 transitions, 766 flow. Second operand 3 states and 1298 transitions. [2024-11-23 18:32:19,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 375 transitions, 820 flow [2024-11-23 18:32:19,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:32:19,778 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 764 flow [2024-11-23 18:32:19,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2024-11-23 18:32:19,779 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -13 predicate places. [2024-11-23 18:32:19,779 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 764 flow [2024-11-23 18:32:19,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-23 18:32:19,781 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:19,781 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:19,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:32:19,781 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:19,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:19,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1395723688, now seen corresponding path program 1 times [2024-11-23 18:32:19,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:19,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102704687] [2024-11-23 18:32:19,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:19,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:19,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:19,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102704687] [2024-11-23 18:32:19,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102704687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:19,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:19,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:19,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679769353] [2024-11-23 18:32:19,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:19,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:19,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:19,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:19,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:20,009 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 469 [2024-11-23 18:32:20,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 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) [2024-11-23 18:32:20,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:20,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 469 [2024-11-23 18:32:20,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:21,172 INFO L124 PetriNetUnfolderBase]: 1451/5118 cut-off events. [2024-11-23 18:32:21,173 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-23 18:32:21,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7312 conditions, 5118 events. 1451/5118 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 39102 event pairs, 507 based on Foata normal form. 0/4528 useless extension candidates. Maximal degree in co-relation 7156. Up to 2100 conditions per place. [2024-11-23 18:32:21,209 INFO L140 encePairwiseOnDemand]: 461/469 looper letters, 38 selfloop transitions, 3 changer transitions 0/383 dead transitions. [2024-11-23 18:32:21,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 383 transitions, 867 flow [2024-11-23 18:32:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-11-23 18:32:21,216 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9175550817341862 [2024-11-23 18:32:21,216 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 764 flow. Second operand 3 states and 1291 transitions. [2024-11-23 18:32:21,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 383 transitions, 867 flow [2024-11-23 18:32:21,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 383 transitions, 863 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:32:21,227 INFO L231 Difference]: Finished difference. Result has 374 places, 373 transitions, 771 flow [2024-11-23 18:32:21,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=374, PETRI_TRANSITIONS=373} [2024-11-23 18:32:21,232 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -17 predicate places. [2024-11-23 18:32:21,232 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 373 transitions, 771 flow [2024-11-23 18:32:21,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 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) [2024-11-23 18:32:21,233 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:21,233 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:21,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:32:21,235 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:21,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:21,236 INFO L85 PathProgramCache]: Analyzing trace with hash -434140775, now seen corresponding path program 1 times [2024-11-23 18:32:21,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:21,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120209550] [2024-11-23 18:32:21,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:21,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:21,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:21,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120209550] [2024-11-23 18:32:21,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120209550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:21,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:21,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:21,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015407514] [2024-11-23 18:32:21,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:21,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:21,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:21,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:21,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:21,464 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 469 [2024-11-23 18:32:21,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 373 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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) [2024-11-23 18:32:21,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:21,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 469 [2024-11-23 18:32:21,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:22,870 INFO L124 PetriNetUnfolderBase]: 958/5597 cut-off events. [2024-11-23 18:32:22,870 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-23 18:32:22,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7278 conditions, 5597 events. 958/5597 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 48451 event pairs, 625 based on Foata normal form. 0/4970 useless extension candidates. Maximal degree in co-relation 7122. Up to 1485 conditions per place. [2024-11-23 18:32:22,907 INFO L140 encePairwiseOnDemand]: 463/469 looper letters, 30 selfloop transitions, 3 changer transitions 0/379 dead transitions. [2024-11-23 18:32:22,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 379 transitions, 849 flow [2024-11-23 18:32:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:22,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2024-11-23 18:32:22,913 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.929637526652452 [2024-11-23 18:32:22,913 INFO L175 Difference]: Start difference. First operand has 374 places, 373 transitions, 771 flow. Second operand 3 states and 1308 transitions. [2024-11-23 18:32:22,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 379 transitions, 849 flow [2024-11-23 18:32:22,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 379 transitions, 849 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 18:32:22,925 INFO L231 Difference]: Finished difference. Result has 374 places, 373 transitions, 786 flow [2024-11-23 18:32:22,926 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=765, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=374, PETRI_TRANSITIONS=373} [2024-11-23 18:32:22,928 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -17 predicate places. [2024-11-23 18:32:22,929 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 373 transitions, 786 flow [2024-11-23 18:32:22,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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) [2024-11-23 18:32:22,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:22,930 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:22,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:32:22,931 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:22,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:22,932 INFO L85 PathProgramCache]: Analyzing trace with hash 873693357, now seen corresponding path program 1 times [2024-11-23 18:32:22,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:22,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587311330] [2024-11-23 18:32:22,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:23,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:23,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587311330] [2024-11-23 18:32:23,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587311330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:23,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:23,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:23,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778387972] [2024-11-23 18:32:23,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:23,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:23,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:23,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:23,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:23,156 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 469 [2024-11-23 18:32:23,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 373 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 422.6666666666667) internal successors, (1268), 3 states have internal predecessors, (1268), 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) [2024-11-23 18:32:23,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:23,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 469 [2024-11-23 18:32:23,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:24,640 INFO L124 PetriNetUnfolderBase]: 1295/5778 cut-off events. [2024-11-23 18:32:24,640 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-23 18:32:24,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7852 conditions, 5778 events. 1295/5778 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 47317 event pairs, 516 based on Foata normal form. 0/5160 useless extension candidates. Maximal degree in co-relation 7695. Up to 1640 conditions per place. [2024-11-23 18:32:24,785 INFO L140 encePairwiseOnDemand]: 464/469 looper letters, 35 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-23 18:32:24,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 383 transitions, 883 flow [2024-11-23 18:32:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1303 transitions. [2024-11-23 18:32:24,789 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9260838663823738 [2024-11-23 18:32:24,790 INFO L175 Difference]: Start difference. First operand has 374 places, 373 transitions, 786 flow. Second operand 3 states and 1303 transitions. [2024-11-23 18:32:24,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 383 transitions, 883 flow [2024-11-23 18:32:24,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 383 transitions, 883 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 18:32:24,798 INFO L231 Difference]: Finished difference. Result has 374 places, 372 transitions, 794 flow [2024-11-23 18:32:24,801 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=374, PETRI_TRANSITIONS=372} [2024-11-23 18:32:24,805 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -17 predicate places. [2024-11-23 18:32:24,806 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 372 transitions, 794 flow [2024-11-23 18:32:24,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.6666666666667) internal successors, (1268), 3 states have internal predecessors, (1268), 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) [2024-11-23 18:32:24,807 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:24,807 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:24,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:32:24,807 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:24,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:24,808 INFO L85 PathProgramCache]: Analyzing trace with hash -600418800, now seen corresponding path program 1 times [2024-11-23 18:32:24,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:24,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245427100] [2024-11-23 18:32:24,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:24,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:24,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:24,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245427100] [2024-11-23 18:32:24,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245427100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:24,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:24,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:24,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237242078] [2024-11-23 18:32:24,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:24,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:24,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:24,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:24,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:25,014 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 469 [2024-11-23 18:32:25,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 372 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2024-11-23 18:32:25,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:25,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 469 [2024-11-23 18:32:25,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:26,937 INFO L124 PetriNetUnfolderBase]: 1912/8861 cut-off events. [2024-11-23 18:32:26,938 INFO L125 PetriNetUnfolderBase]: For 81/89 co-relation queries the response was YES. [2024-11-23 18:32:26,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12334 conditions, 8861 events. 1912/8861 cut-off events. For 81/89 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 78686 event pairs, 714 based on Foata normal form. 0/7848 useless extension candidates. Maximal degree in co-relation 12176. Up to 1548 conditions per place. [2024-11-23 18:32:26,975 INFO L140 encePairwiseOnDemand]: 458/469 looper letters, 44 selfloop transitions, 8 changer transitions 0/396 dead transitions. [2024-11-23 18:32:26,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 396 transitions, 952 flow [2024-11-23 18:32:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1321 transitions. [2024-11-23 18:32:26,980 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9388770433546553 [2024-11-23 18:32:26,980 INFO L175 Difference]: Start difference. First operand has 374 places, 372 transitions, 794 flow. Second operand 3 states and 1321 transitions. [2024-11-23 18:32:26,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 396 transitions, 952 flow [2024-11-23 18:32:26,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 396 transitions, 952 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 18:32:26,992 INFO L231 Difference]: Finished difference. Result has 378 places, 380 transitions, 864 flow [2024-11-23 18:32:26,994 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=378, PETRI_TRANSITIONS=380} [2024-11-23 18:32:26,996 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -13 predicate places. [2024-11-23 18:32:26,997 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 380 transitions, 864 flow [2024-11-23 18:32:26,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2024-11-23 18:32:26,998 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:26,998 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:26,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:32:26,999 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:26,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:27,000 INFO L85 PathProgramCache]: Analyzing trace with hash 697930990, now seen corresponding path program 1 times [2024-11-23 18:32:27,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:27,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496948478] [2024-11-23 18:32:27,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:27,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:27,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496948478] [2024-11-23 18:32:27,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496948478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:27,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:27,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:27,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32539181] [2024-11-23 18:32:27,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:27,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:27,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:27,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:27,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:27,470 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 469 [2024-11-23 18:32:27,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 380 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-23 18:32:27,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:27,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 469 [2024-11-23 18:32:27,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:32,129 INFO L124 PetriNetUnfolderBase]: 4584/20498 cut-off events. [2024-11-23 18:32:32,129 INFO L125 PetriNetUnfolderBase]: For 380/388 co-relation queries the response was YES. [2024-11-23 18:32:32,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29478 conditions, 20498 events. 4584/20498 cut-off events. For 380/388 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 220450 event pairs, 2480 based on Foata normal form. 0/18568 useless extension candidates. Maximal degree in co-relation 29317. Up to 5342 conditions per place. [2024-11-23 18:32:32,218 INFO L140 encePairwiseOnDemand]: 459/469 looper letters, 45 selfloop transitions, 9 changer transitions 0/403 dead transitions. [2024-11-23 18:32:32,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 403 transitions, 1024 flow [2024-11-23 18:32:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1321 transitions. [2024-11-23 18:32:32,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9388770433546553 [2024-11-23 18:32:32,222 INFO L175 Difference]: Start difference. First operand has 378 places, 380 transitions, 864 flow. Second operand 3 states and 1321 transitions. [2024-11-23 18:32:32,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 403 transitions, 1024 flow [2024-11-23 18:32:32,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 403 transitions, 1008 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:32:32,232 INFO L231 Difference]: Finished difference. Result has 380 places, 388 transitions, 918 flow [2024-11-23 18:32:32,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=918, PETRI_PLACES=380, PETRI_TRANSITIONS=388} [2024-11-23 18:32:32,234 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -11 predicate places. [2024-11-23 18:32:32,234 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 388 transitions, 918 flow [2024-11-23 18:32:32,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-23 18:32:32,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:32,235 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:32,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:32:32,236 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:32,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:32,237 INFO L85 PathProgramCache]: Analyzing trace with hash 406370498, now seen corresponding path program 1 times [2024-11-23 18:32:32,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:32,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34958717] [2024-11-23 18:32:32,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:32,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:32,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34958717] [2024-11-23 18:32:32,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34958717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:32,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:32,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:32:32,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160701841] [2024-11-23 18:32:32,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:32,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:32:32,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:32,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:32:32,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:32:32,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 469 [2024-11-23 18:32:32,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 388 transitions, 918 flow. Second operand has 5 states, 5 states have (on average 426.8) internal successors, (2134), 5 states have internal predecessors, (2134), 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) [2024-11-23 18:32:32,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:32,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 469 [2024-11-23 18:32:32,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:36,327 INFO L124 PetriNetUnfolderBase]: 2608/15740 cut-off events. [2024-11-23 18:32:36,327 INFO L125 PetriNetUnfolderBase]: For 512/576 co-relation queries the response was YES. [2024-11-23 18:32:36,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22205 conditions, 15740 events. 2608/15740 cut-off events. For 512/576 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 172035 event pairs, 1917 based on Foata normal form. 4/14272 useless extension candidates. Maximal degree in co-relation 22041. Up to 3513 conditions per place. [2024-11-23 18:32:36,423 INFO L140 encePairwiseOnDemand]: 460/469 looper letters, 36 selfloop transitions, 8 changer transitions 0/402 dead transitions. [2024-11-23 18:32:36,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 402 transitions, 1033 flow [2024-11-23 18:32:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:32:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:32:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2595 transitions. [2024-11-23 18:32:36,430 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9221748400852878 [2024-11-23 18:32:36,431 INFO L175 Difference]: Start difference. First operand has 380 places, 388 transitions, 918 flow. Second operand 6 states and 2595 transitions. [2024-11-23 18:32:36,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 402 transitions, 1033 flow [2024-11-23 18:32:36,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 402 transitions, 1015 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:32:36,455 INFO L231 Difference]: Finished difference. Result has 387 places, 392 transitions, 945 flow [2024-11-23 18:32:36,456 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=945, PETRI_PLACES=387, PETRI_TRANSITIONS=392} [2024-11-23 18:32:36,457 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -4 predicate places. [2024-11-23 18:32:36,457 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 392 transitions, 945 flow [2024-11-23 18:32:36,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 426.8) internal successors, (2134), 5 states have internal predecessors, (2134), 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) [2024-11-23 18:32:36,459 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:36,459 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:36,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:32:36,460 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:36,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:36,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1482331306, now seen corresponding path program 1 times [2024-11-23 18:32:36,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:36,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033118251] [2024-11-23 18:32:36,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:36,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:36,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033118251] [2024-11-23 18:32:36,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033118251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:36,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:36,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:32:36,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007752827] [2024-11-23 18:32:36,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:36,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:32:36,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:36,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:32:36,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:32:36,813 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 469 [2024-11-23 18:32:36,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 392 transitions, 945 flow. Second operand has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 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) [2024-11-23 18:32:36,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:36,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 469 [2024-11-23 18:32:36,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:40,663 INFO L124 PetriNetUnfolderBase]: 3149/16273 cut-off events. [2024-11-23 18:32:40,663 INFO L125 PetriNetUnfolderBase]: For 227/258 co-relation queries the response was YES. [2024-11-23 18:32:40,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23316 conditions, 16273 events. 3149/16273 cut-off events. For 227/258 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 175480 event pairs, 1835 based on Foata normal form. 2/14507 useless extension candidates. Maximal degree in co-relation 23148. Up to 3403 conditions per place. [2024-11-23 18:32:40,749 INFO L140 encePairwiseOnDemand]: 465/469 looper letters, 29 selfloop transitions, 3 changer transitions 0/403 dead transitions. [2024-11-23 18:32:40,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 403 transitions, 1034 flow [2024-11-23 18:32:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:32:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:32:40,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1332 transitions. [2024-11-23 18:32:40,752 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9466950959488273 [2024-11-23 18:32:40,752 INFO L175 Difference]: Start difference. First operand has 387 places, 392 transitions, 945 flow. Second operand 3 states and 1332 transitions. [2024-11-23 18:32:40,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 403 transitions, 1034 flow [2024-11-23 18:32:40,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 403 transitions, 1030 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:32:40,758 INFO L231 Difference]: Finished difference. Result has 390 places, 394 transitions, 963 flow [2024-11-23 18:32:40,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=963, PETRI_PLACES=390, PETRI_TRANSITIONS=394} [2024-11-23 18:32:40,760 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -1 predicate places. [2024-11-23 18:32:40,760 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 394 transitions, 963 flow [2024-11-23 18:32:40,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 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) [2024-11-23 18:32:40,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:40,761 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:40,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:32:40,761 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:40,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:40,763 INFO L85 PathProgramCache]: Analyzing trace with hash -709597798, now seen corresponding path program 1 times [2024-11-23 18:32:40,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:40,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647309673] [2024-11-23 18:32:40,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:40,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:32:41,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:41,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647309673] [2024-11-23 18:32:41,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647309673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:41,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:41,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:32:41,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449082490] [2024-11-23 18:32:41,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:41,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:32:41,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:41,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:32:41,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:32:41,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 469 [2024-11-23 18:32:41,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 394 transitions, 963 flow. Second operand has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 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) [2024-11-23 18:32:41,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:41,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 469 [2024-11-23 18:32:41,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:45,722 INFO L124 PetriNetUnfolderBase]: 3863/20086 cut-off events. [2024-11-23 18:32:45,722 INFO L125 PetriNetUnfolderBase]: For 736/768 co-relation queries the response was YES. [2024-11-23 18:32:45,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29485 conditions, 20086 events. 3863/20086 cut-off events. For 736/768 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 223462 event pairs, 2588 based on Foata normal form. 6/18296 useless extension candidates. Maximal degree in co-relation 29314. Up to 5213 conditions per place. [2024-11-23 18:32:46,069 INFO L140 encePairwiseOnDemand]: 460/469 looper letters, 27 selfloop transitions, 4 changer transitions 17/406 dead transitions. [2024-11-23 18:32:46,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 406 transitions, 1078 flow [2024-11-23 18:32:46,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:32:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:32:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2596 transitions. [2024-11-23 18:32:46,075 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9225302061122956 [2024-11-23 18:32:46,075 INFO L175 Difference]: Start difference. First operand has 390 places, 394 transitions, 963 flow. Second operand 6 states and 2596 transitions. [2024-11-23 18:32:46,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 406 transitions, 1078 flow [2024-11-23 18:32:46,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 406 transitions, 1072 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:32:46,093 INFO L231 Difference]: Finished difference. Result has 395 places, 389 transitions, 944 flow [2024-11-23 18:32:46,093 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=952, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=944, PETRI_PLACES=395, PETRI_TRANSITIONS=389} [2024-11-23 18:32:46,095 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, 4 predicate places. [2024-11-23 18:32:46,096 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 389 transitions, 944 flow [2024-11-23 18:32:46,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 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) [2024-11-23 18:32:46,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:46,098 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:46,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:32:46,098 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:46,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1565886835, now seen corresponding path program 1 times [2024-11-23 18:32:46,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:46,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458185548] [2024-11-23 18:32:46,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:32:47,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:47,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458185548] [2024-11-23 18:32:47,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458185548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:47,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:47,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:32:47,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021976338] [2024-11-23 18:32:47,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:47,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:32:47,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:47,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:32:47,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:32:47,513 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 469 [2024-11-23 18:32:47,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 389 transitions, 944 flow. Second operand has 6 states, 6 states have (on average 410.8333333333333) internal successors, (2465), 6 states have internal predecessors, (2465), 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) [2024-11-23 18:32:47,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:47,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 469 [2024-11-23 18:32:47,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:32:54,907 INFO L124 PetriNetUnfolderBase]: 9174/32084 cut-off events. [2024-11-23 18:32:54,907 INFO L125 PetriNetUnfolderBase]: For 2502/2625 co-relation queries the response was YES. [2024-11-23 18:32:55,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53642 conditions, 32084 events. 9174/32084 cut-off events. For 2502/2625 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 360022 event pairs, 4793 based on Foata normal form. 4/29111 useless extension candidates. Maximal degree in co-relation 53467. Up to 11214 conditions per place. [2024-11-23 18:32:55,119 INFO L140 encePairwiseOnDemand]: 455/469 looper letters, 95 selfloop transitions, 46 changer transitions 0/485 dead transitions. [2024-11-23 18:32:55,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 485 transitions, 1500 flow [2024-11-23 18:32:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:32:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:32:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2579 transitions. [2024-11-23 18:32:55,126 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9164889836531628 [2024-11-23 18:32:55,126 INFO L175 Difference]: Start difference. First operand has 395 places, 389 transitions, 944 flow. Second operand 6 states and 2579 transitions. [2024-11-23 18:32:55,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 485 transitions, 1500 flow [2024-11-23 18:32:55,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 485 transitions, 1472 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-23 18:32:55,159 INFO L231 Difference]: Finished difference. Result has 391 places, 434 transitions, 1251 flow [2024-11-23 18:32:55,160 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1251, PETRI_PLACES=391, PETRI_TRANSITIONS=434} [2024-11-23 18:32:55,161 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, 0 predicate places. [2024-11-23 18:32:55,161 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 434 transitions, 1251 flow [2024-11-23 18:32:55,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 410.8333333333333) internal successors, (2465), 6 states have internal predecessors, (2465), 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) [2024-11-23 18:32:55,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:32:55,163 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:55,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:32:55,164 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:32:55,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:55,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1606575159, now seen corresponding path program 1 times [2024-11-23 18:32:55,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294491993] [2024-11-23 18:32:55,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:32:55,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:55,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294491993] [2024-11-23 18:32:55,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294491993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:55,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:55,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:32:55,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863343467] [2024-11-23 18:32:55,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:55,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:32:55,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:55,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:32:55,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:32:56,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 469 [2024-11-23 18:32:56,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 434 transitions, 1251 flow. Second operand has 7 states, 7 states have (on average 420.0) internal successors, (2940), 7 states have internal predecessors, (2940), 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) [2024-11-23 18:32:56,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:32:56,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 469 [2024-11-23 18:32:56,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:33:00,532 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1000] L1034-4-->L1034-5: Formula: (= (store |v_#race_30| v_~flags~0.base_12 (store (select |v_#race_30| v_~flags~0.base_12) (+ v_threadThread1of1ForFork0_~i~0_7 v_~flags~0.offset_12) |v_threadThread1of1ForFork0_#t~nondet8_3|)) |v_#race_29|) InVars {#race=|v_#race_30|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_12, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_12} OutVars{#race=|v_#race_29|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_12, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_12} AuxVars[] AssignedVars[#race][407], [120#L1042-5true, Black: 478#true, Black: 513#(= |#race~data~0| 0), Black: 482#true, 535#true, Black: 486#true, 484#(= |#race~tids~0| 0), 71#L1034-5true, 218#L1066-10true, 459#true, Black: 492#(= |#race~threads_alive~0| 0), 461#true, Black: 497#(= (select (select |#race| ~flags~0.base) (+ ~flags~0.offset cleanerThread1of1ForFork1_~i~1)) 0), 488#(= |#race~flags~0| 0), Black: 529#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet32#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet32#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet32#1|)), 525#true, Black: 528#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet32#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet32#1|)), Black: 527#(= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet32#1|), Black: 530#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet32#1|) (= (select (select |#race| ~tids~0.base) (+ 3 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet32#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet32#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet32#1|)), 480#(= |#race~flags_mutex~0| 0), 468#(= |#race~threads_total~0| 0), Black: 502#(= |ULTIMATE.start_main_~i~2#1| 0)]) [2024-11-23 18:33:00,532 INFO L294 olderBase$Statistics]: this new event has 316 ancestors and is cut-off event [2024-11-23 18:33:00,533 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-23 18:33:00,533 INFO L297 olderBase$Statistics]: existing Event has 316 ancestors and is cut-off event [2024-11-23 18:33:00,533 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-23 18:33:05,755 INFO L124 PetriNetUnfolderBase]: 9901/40836 cut-off events. [2024-11-23 18:33:05,755 INFO L125 PetriNetUnfolderBase]: For 3927/7002 co-relation queries the response was YES. [2024-11-23 18:33:05,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68073 conditions, 40836 events. 9901/40836 cut-off events. For 3927/7002 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 498600 event pairs, 4533 based on Foata normal form. 306/36937 useless extension candidates. Maximal degree in co-relation 67904. Up to 11018 conditions per place. [2024-11-23 18:33:05,993 INFO L140 encePairwiseOnDemand]: 457/469 looper letters, 64 selfloop transitions, 14 changer transitions 10/483 dead transitions. [2024-11-23 18:33:05,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 483 transitions, 1530 flow [2024-11-23 18:33:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:33:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-23 18:33:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4268 transitions. [2024-11-23 18:33:06,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9100213219616204 [2024-11-23 18:33:06,002 INFO L175 Difference]: Start difference. First operand has 391 places, 434 transitions, 1251 flow. Second operand 10 states and 4268 transitions. [2024-11-23 18:33:06,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 483 transitions, 1530 flow [2024-11-23 18:33:06,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 483 transitions, 1530 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 18:33:06,022 INFO L231 Difference]: Finished difference. Result has 404 places, 441 transitions, 1318 flow [2024-11-23 18:33:06,022 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=469, PETRI_DIFFERENCE_MINUEND_FLOW=1246, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1318, PETRI_PLACES=404, PETRI_TRANSITIONS=441} [2024-11-23 18:33:06,023 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, 13 predicate places. [2024-11-23 18:33:06,023 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 441 transitions, 1318 flow [2024-11-23 18:33:06,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 420.0) internal successors, (2940), 7 states have internal predecessors, (2940), 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) [2024-11-23 18:33:06,024 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:33:06,024 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:06,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:33:06,024 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-23 18:33:06,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:06,025 INFO L85 PathProgramCache]: Analyzing trace with hash 577459213, now seen corresponding path program 1 times [2024-11-23 18:33:06,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:06,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620863656] [2024-11-23 18:33:06,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 18:33:06,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:06,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620863656] [2024-11-23 18:33:06,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620863656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:06,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:06,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:33:06,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484245625] [2024-11-23 18:33:06,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:06,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:33:06,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:06,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:33:06,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:33:07,327 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 469 [2024-11-23 18:33:07,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 441 transitions, 1318 flow. Second operand has 8 states, 8 states have (on average 414.875) internal successors, (3319), 8 states have internal predecessors, (3319), 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) [2024-11-23 18:33:07,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:33:07,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 469 [2024-11-23 18:33:07,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:33:18,223 INFO L124 PetriNetUnfolderBase]: 11380/45966 cut-off events. [2024-11-23 18:33:18,223 INFO L125 PetriNetUnfolderBase]: For 15946/17488 co-relation queries the response was YES. [2024-11-23 18:33:18,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85905 conditions, 45966 events. 11380/45966 cut-off events. For 15946/17488 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 563257 event pairs, 3934 based on Foata normal form. 107/42280 useless extension candidates. Maximal degree in co-relation 85730. Up to 8316 conditions per place. [2024-11-23 18:33:18,525 INFO L140 encePairwiseOnDemand]: 456/469 looper letters, 101 selfloop transitions, 44 changer transitions 0/511 dead transitions. [2024-11-23 18:33:18,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 511 transitions, 1900 flow [2024-11-23 18:33:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:33:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-23 18:33:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4639 transitions. [2024-11-23 18:33:18,534 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8992052723396007 [2024-11-23 18:33:18,534 INFO L175 Difference]: Start difference. First operand has 404 places, 441 transitions, 1318 flow. Second operand 11 states and 4639 transitions. [2024-11-23 18:33:18,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 511 transitions, 1900 flow