./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB --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 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:53:08,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:53:09,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:53:09,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:53:09,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:53:09,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:53:09,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:53:09,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:53:09,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:53:09,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:53:09,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:53:09,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:53:09,081 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:53:09,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:53:09,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:53:09,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:53:09,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:53:09,084 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:09,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:53:09,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:09,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:53:09,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:53:09,085 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_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 [2024-11-28 03:53:09,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:53:09,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:53:09,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:53:09,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:53:09,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:53:09,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2024-11-28 03:53:12,563 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/data/61f79d618/a4ed92959a4742488f066d730eaa420f/FLAG4daa11912 [2024-11-28 03:53:12,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:53:12,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2024-11-28 03:53:12,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/data/61f79d618/a4ed92959a4742488f066d730eaa420f/FLAG4daa11912 [2024-11-28 03:53:12,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/data/61f79d618/a4ed92959a4742488f066d730eaa420f [2024-11-28 03:53:12,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:53:12,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:53:12,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:53:12,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:53:12,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:53:12,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:12" (1/1) ... [2024-11-28 03:53:12,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e262de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:12, skipping insertion in model container [2024-11-28 03:53:12,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:12" (1/1) ... [2024-11-28 03:53:12,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:53:13,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:53:13,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:53:13,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:53:13,363 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:53:13,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13 WrapperNode [2024-11-28 03:53:13,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:53:13,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:53:13,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:53:13,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:53:13,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,445 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 273 [2024-11-28 03:53:13,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:53:13,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:53:13,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:53:13,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:53:13,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:53:13,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:53:13,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:53:13,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:53:13,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (1/1) ... [2024-11-28 03:53:13,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:13,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:13,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:53:13,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acdbc28-f43b-4b50-a0c9-86c0fcc04457/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:53:13,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:53:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:53:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:53:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:53:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:53:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:53:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:53:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:53:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:53:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:53:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:53:13,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:53:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:53:13,593 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:53:13,733 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:53:13,735 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:53:14,692 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:53:14,693 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:53:14,728 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:53:14,728 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-28 03:53:14,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:14 BoogieIcfgContainer [2024-11-28 03:53:14,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:53:14,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:53:14,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:53:14,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:53:14,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:53:12" (1/3) ... [2024-11-28 03:53:14,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a49ba93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:53:14, skipping insertion in model container [2024-11-28 03:53:14,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:13" (2/3) ... [2024-11-28 03:53:14,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a49ba93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:53:14, skipping insertion in model container [2024-11-28 03:53:14,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:14" (3/3) ... [2024-11-28 03:53:14,743 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2024-11-28 03:53:14,761 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:53:14,764 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-vector-add.wvr.c that has 4 procedures, 484 locations, 1 initial locations, 7 loop locations, and 44 error locations. [2024-11-28 03:53:14,764 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:53:14,948 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 03:53:15,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 510 transitions, 1041 flow [2024-11-28 03:53:15,245 INFO L124 PetriNetUnfolderBase]: 27/507 cut-off events. [2024-11-28 03:53:15,248 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:53:15,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 507 events. 27/507 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 718 event pairs, 0 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 396. Up to 2 conditions per place. [2024-11-28 03:53:15,258 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 510 transitions, 1041 flow [2024-11-28 03:53:15,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 472 places, 488 transitions, 994 flow [2024-11-28 03:53:15,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:53:15,311 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;@d28143e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:53:15,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-28 03:53:15,317 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:53:15,317 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-28 03:53:15,317 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:53:15,317 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:15,318 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] [2024-11-28 03:53:15,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:15,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:15,324 INFO L85 PathProgramCache]: Analyzing trace with hash 532302429, now seen corresponding path program 1 times [2024-11-28 03:53:15,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:15,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113645104] [2024-11-28 03:53:15,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:15,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:15,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113645104] [2024-11-28 03:53:15,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113645104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:15,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:15,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:15,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041177043] [2024-11-28 03:53:15,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:15,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:15,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:15,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:15,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:15,683 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 510 [2024-11-28 03:53:15,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 488 transitions, 994 flow. Second operand has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:53:15,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:15,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 510 [2024-11-28 03:53:15,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:15,998 INFO L124 PetriNetUnfolderBase]: 23/763 cut-off events. [2024-11-28 03:53:15,998 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-28 03:53:16,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 763 events. 23/763 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2651 event pairs, 7 based on Foata normal form. 26/673 useless extension candidates. Maximal degree in co-relation 423. Up to 31 conditions per place. [2024-11-28 03:53:16,014 INFO L140 encePairwiseOnDemand]: 490/510 looper letters, 13 selfloop transitions, 2 changer transitions 10/470 dead transitions. [2024-11-28 03:53:16,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 470 transitions, 988 flow [2024-11-28 03:53:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:16,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1455 transitions. [2024-11-28 03:53:16,043 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9509803921568627 [2024-11-28 03:53:16,045 INFO L175 Difference]: Start difference. First operand has 472 places, 488 transitions, 994 flow. Second operand 3 states and 1455 transitions. [2024-11-28 03:53:16,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 470 transitions, 988 flow [2024-11-28 03:53:16,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 470 transitions, 976 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 03:53:16,104 INFO L231 Difference]: Finished difference. Result has 467 places, 460 transitions, 930 flow [2024-11-28 03:53:16,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=930, PETRI_PLACES=467, PETRI_TRANSITIONS=460} [2024-11-28 03:53:16,114 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -5 predicate places. [2024-11-28 03:53:16,114 INFO L471 AbstractCegarLoop]: Abstraction has has 467 places, 460 transitions, 930 flow [2024-11-28 03:53:16,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:53:16,117 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:16,118 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] [2024-11-28 03:53:16,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:53:16,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:16,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:16,120 INFO L85 PathProgramCache]: Analyzing trace with hash -497071690, now seen corresponding path program 1 times [2024-11-28 03:53:16,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:16,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100371183] [2024-11-28 03:53:16,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:16,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:16,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:16,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100371183] [2024-11-28 03:53:16,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100371183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:16,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:16,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:16,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930024549] [2024-11-28 03:53:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:16,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:16,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:16,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:16,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 510 [2024-11-28 03:53:16,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 460 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 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) [2024-11-28 03:53:16,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:16,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 510 [2024-11-28 03:53:16,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:16,426 INFO L124 PetriNetUnfolderBase]: 17/604 cut-off events. [2024-11-28 03:53:16,426 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:53:16,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 604 events. 17/604 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1637 event pairs, 5 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 615. Up to 31 conditions per place. [2024-11-28 03:53:16,432 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 17 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2024-11-28 03:53:16,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 459 transitions, 966 flow [2024-11-28 03:53:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1430 transitions. [2024-11-28 03:53:16,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.934640522875817 [2024-11-28 03:53:16,436 INFO L175 Difference]: Start difference. First operand has 467 places, 460 transitions, 930 flow. Second operand 3 states and 1430 transitions. [2024-11-28 03:53:16,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 459 transitions, 966 flow [2024-11-28 03:53:16,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 459 transitions, 962 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:53:16,446 INFO L231 Difference]: Finished difference. Result has 456 places, 459 transitions, 928 flow [2024-11-28 03:53:16,446 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=928, PETRI_PLACES=456, PETRI_TRANSITIONS=459} [2024-11-28 03:53:16,447 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-28 03:53:16,447 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 459 transitions, 928 flow [2024-11-28 03:53:16,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 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) [2024-11-28 03:53:16,448 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:16,449 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] [2024-11-28 03:53:16,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:53:16,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:16,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:16,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1418225644, now seen corresponding path program 1 times [2024-11-28 03:53:16,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:16,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107177613] [2024-11-28 03:53:16,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:16,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:16,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:16,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:16,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107177613] [2024-11-28 03:53:16,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107177613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:16,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:16,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:16,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775124638] [2024-11-28 03:53:16,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:16,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:16,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:16,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:16,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:16,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 510 [2024-11-28 03:53:16,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 459 transitions, 928 flow. Second operand has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 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) [2024-11-28 03:53:16,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:16,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 510 [2024-11-28 03:53:16,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:16,837 INFO L124 PetriNetUnfolderBase]: 29/735 cut-off events. [2024-11-28 03:53:16,838 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 03:53:16,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 735 events. 29/735 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2625 event pairs, 12 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 763. Up to 54 conditions per place. [2024-11-28 03:53:16,845 INFO L140 encePairwiseOnDemand]: 501/510 looper letters, 22 selfloop transitions, 1 changer transitions 0/451 dead transitions. [2024-11-28 03:53:16,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 958 flow [2024-11-28 03:53:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1411 transitions. [2024-11-28 03:53:16,851 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2024-11-28 03:53:16,851 INFO L175 Difference]: Start difference. First operand has 456 places, 459 transitions, 928 flow. Second operand 3 states and 1411 transitions. [2024-11-28 03:53:16,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 958 flow [2024-11-28 03:53:16,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 954 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:53:16,860 INFO L231 Difference]: Finished difference. Result has 448 places, 451 transitions, 910 flow [2024-11-28 03:53:16,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=448, PETRI_TRANSITIONS=451} [2024-11-28 03:53:16,864 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-28 03:53:16,864 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 451 transitions, 910 flow [2024-11-28 03:53:16,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 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) [2024-11-28 03:53:16,865 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:16,865 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] [2024-11-28 03:53:16,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:53:16,865 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:16,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:16,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1662529970, now seen corresponding path program 1 times [2024-11-28 03:53:16,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:16,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445649394] [2024-11-28 03:53:16,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:16,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:17,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445649394] [2024-11-28 03:53:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445649394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:17,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:17,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:17,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342739082] [2024-11-28 03:53:17,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:17,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:53:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:17,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:53:17,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:18,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 510 [2024-11-28 03:53:18,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 451 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 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) [2024-11-28 03:53:18,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:18,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 510 [2024-11-28 03:53:18,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:23,691 INFO L124 PetriNetUnfolderBase]: 5286/18518 cut-off events. [2024-11-28 03:53:23,691 INFO L125 PetriNetUnfolderBase]: For 363/363 co-relation queries the response was YES. [2024-11-28 03:53:23,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26600 conditions, 18518 events. 5286/18518 cut-off events. For 363/363 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 210291 event pairs, 4536 based on Foata normal form. 0/15813 useless extension candidates. Maximal degree in co-relation 26562. Up to 7876 conditions per place. [2024-11-28 03:53:23,866 INFO L140 encePairwiseOnDemand]: 486/510 looper letters, 82 selfloop transitions, 20 changer transitions 0/447 dead transitions. [2024-11-28 03:53:23,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 447 transitions, 1106 flow [2024-11-28 03:53:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:53:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:53:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2416 transitions. [2024-11-28 03:53:23,876 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7895424836601307 [2024-11-28 03:53:23,877 INFO L175 Difference]: Start difference. First operand has 448 places, 451 transitions, 910 flow. Second operand 6 states and 2416 transitions. [2024-11-28 03:53:23,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 447 transitions, 1106 flow [2024-11-28 03:53:23,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 447 transitions, 1105 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:53:23,889 INFO L231 Difference]: Finished difference. Result has 448 places, 447 transitions, 941 flow [2024-11-28 03:53:23,890 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=941, PETRI_PLACES=448, PETRI_TRANSITIONS=447} [2024-11-28 03:53:23,893 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-28 03:53:23,893 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 447 transitions, 941 flow [2024-11-28 03:53:23,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 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) [2024-11-28 03:53:23,895 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:23,895 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] [2024-11-28 03:53:23,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:53:23,897 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:23,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:23,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1893928821, now seen corresponding path program 1 times [2024-11-28 03:53:23,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:23,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868128121] [2024-11-28 03:53:23,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:23,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868128121] [2024-11-28 03:53:23,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868128121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:23,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:23,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:23,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862761259] [2024-11-28 03:53:23,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:23,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:23,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:23,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:23,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:24,021 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-28 03:53:24,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 447 transitions, 941 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:24,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:24,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-28 03:53:24,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:24,240 INFO L124 PetriNetUnfolderBase]: 28/674 cut-off events. [2024-11-28 03:53:24,240 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 03:53:24,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 674 events. 28/674 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2247 event pairs, 15 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 707. Up to 40 conditions per place. [2024-11-28 03:53:24,248 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2024-11-28 03:53:24,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 446 transitions, 967 flow [2024-11-28 03:53:24,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-28 03:53:24,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-28 03:53:24,253 INFO L175 Difference]: Start difference. First operand has 448 places, 447 transitions, 941 flow. Second operand 3 states and 1440 transitions. [2024-11-28 03:53:24,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 446 transitions, 967 flow [2024-11-28 03:53:24,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 446 transitions, 927 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:53:24,263 INFO L231 Difference]: Finished difference. Result has 444 places, 446 transitions, 903 flow [2024-11-28 03:53:24,264 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=444, PETRI_TRANSITIONS=446} [2024-11-28 03:53:24,266 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -28 predicate places. [2024-11-28 03:53:24,266 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 446 transitions, 903 flow [2024-11-28 03:53:24,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:24,267 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:24,267 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] [2024-11-28 03:53:24,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:53:24,268 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:24,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:24,268 INFO L85 PathProgramCache]: Analyzing trace with hash 253849336, now seen corresponding path program 1 times [2024-11-28 03:53:24,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:24,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061149748] [2024-11-28 03:53:24,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:24,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:24,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:24,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061149748] [2024-11-28 03:53:24,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061149748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:24,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:24,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:24,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470774402] [2024-11-28 03:53:24,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:24,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:24,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:24,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:24,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:24,395 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-28 03:53:24,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 446 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:24,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:24,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-28 03:53:24,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:24,493 INFO L124 PetriNetUnfolderBase]: 28/673 cut-off events. [2024-11-28 03:53:24,494 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 03:53:24,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 673 events. 28/673 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2201 event pairs, 15 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 688. Up to 40 conditions per place. [2024-11-28 03:53:24,499 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2024-11-28 03:53:24,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 445 transitions, 929 flow [2024-11-28 03:53:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-28 03:53:24,505 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-28 03:53:24,505 INFO L175 Difference]: Start difference. First operand has 444 places, 446 transitions, 903 flow. Second operand 3 states and 1440 transitions. [2024-11-28 03:53:24,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 445 transitions, 929 flow [2024-11-28 03:53:24,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 445 transitions, 925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:53:24,513 INFO L231 Difference]: Finished difference. Result has 443 places, 445 transitions, 901 flow [2024-11-28 03:53:24,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=901, PETRI_PLACES=443, PETRI_TRANSITIONS=445} [2024-11-28 03:53:24,517 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -29 predicate places. [2024-11-28 03:53:24,517 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 445 transitions, 901 flow [2024-11-28 03:53:24,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:24,519 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:24,519 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] [2024-11-28 03:53:24,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:53:24,519 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:24,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:24,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1017952079, now seen corresponding path program 1 times [2024-11-28 03:53:24,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:24,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868040168] [2024-11-28 03:53:24,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:24,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:24,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:24,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868040168] [2024-11-28 03:53:24,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868040168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:24,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:24,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:24,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481684001] [2024-11-28 03:53:24,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:24,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:24,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:24,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:24,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:24,660 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 476 out of 510 [2024-11-28 03:53:24,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 445 transitions, 901 flow. Second operand has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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) [2024-11-28 03:53:24,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:24,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 476 of 510 [2024-11-28 03:53:24,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:24,746 INFO L124 PetriNetUnfolderBase]: 14/537 cut-off events. [2024-11-28 03:53:24,746 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:53:24,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 537 events. 14/537 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1209 event pairs, 2 based on Foata normal form. 0/488 useless extension candidates. Maximal degree in co-relation 529. Up to 19 conditions per place. [2024-11-28 03:53:24,750 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 11 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-28 03:53:24,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 444 transitions, 925 flow [2024-11-28 03:53:24,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1442 transitions. [2024-11-28 03:53:24,754 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9424836601307189 [2024-11-28 03:53:24,754 INFO L175 Difference]: Start difference. First operand has 443 places, 445 transitions, 901 flow. Second operand 3 states and 1442 transitions. [2024-11-28 03:53:24,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 444 transitions, 925 flow [2024-11-28 03:53:24,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 444 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:53:24,762 INFO L231 Difference]: Finished difference. Result has 442 places, 444 transitions, 899 flow [2024-11-28 03:53:24,763 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=442, PETRI_TRANSITIONS=444} [2024-11-28 03:53:24,764 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -30 predicate places. [2024-11-28 03:53:24,764 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 444 transitions, 899 flow [2024-11-28 03:53:24,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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) [2024-11-28 03:53:24,765 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:24,765 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] [2024-11-28 03:53:24,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:53:24,765 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:24,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:24,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1034979689, now seen corresponding path program 1 times [2024-11-28 03:53:24,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:24,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846979922] [2024-11-28 03:53:24,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:24,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:24,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846979922] [2024-11-28 03:53:24,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846979922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:24,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:24,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:24,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459835826] [2024-11-28 03:53:24,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:24,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:24,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:24,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:24,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:24,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-28 03:53:24,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 444 transitions, 899 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:24,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:24,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-28 03:53:24,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:24,990 INFO L124 PetriNetUnfolderBase]: 22/594 cut-off events. [2024-11-28 03:53:24,991 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-28 03:53:24,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 594 events. 22/594 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1565 event pairs, 7 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 598. Up to 32 conditions per place. [2024-11-28 03:53:24,994 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-28 03:53:24,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 443 transitions, 925 flow [2024-11-28 03:53:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-28 03:53:24,998 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-28 03:53:24,998 INFO L175 Difference]: Start difference. First operand has 442 places, 444 transitions, 899 flow. Second operand 3 states and 1440 transitions. [2024-11-28 03:53:24,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 443 transitions, 925 flow [2024-11-28 03:53:25,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 443 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:53:25,006 INFO L231 Difference]: Finished difference. Result has 441 places, 443 transitions, 897 flow [2024-11-28 03:53:25,007 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=441, PETRI_TRANSITIONS=443} [2024-11-28 03:53:25,007 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -31 predicate places. [2024-11-28 03:53:25,007 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 443 transitions, 897 flow [2024-11-28 03:53:25,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:25,009 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:25,009 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] [2024-11-28 03:53:25,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:53:25,011 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:25,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:25,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1956208543, now seen corresponding path program 1 times [2024-11-28 03:53:25,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:25,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019153722] [2024-11-28 03:53:25,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:25,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:25,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:25,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019153722] [2024-11-28 03:53:25,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019153722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:25,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:25,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:25,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272687448] [2024-11-28 03:53:25,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:25,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:25,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:25,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:25,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:25,207 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-28 03:53:25,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 443 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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) [2024-11-28 03:53:25,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:25,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-28 03:53:25,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:25,315 INFO L124 PetriNetUnfolderBase]: 41/877 cut-off events. [2024-11-28 03:53:25,315 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 03:53:25,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 877 events. 41/877 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3831 event pairs, 20 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 906. Up to 56 conditions per place. [2024-11-28 03:53:25,322 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 14 selfloop transitions, 1 changer transitions 0/439 dead transitions. [2024-11-28 03:53:25,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 439 transitions, 919 flow [2024-11-28 03:53:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2024-11-28 03:53:25,325 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9379084967320261 [2024-11-28 03:53:25,325 INFO L175 Difference]: Start difference. First operand has 441 places, 443 transitions, 897 flow. Second operand 3 states and 1435 transitions. [2024-11-28 03:53:25,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 439 transitions, 919 flow [2024-11-28 03:53:25,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 439 transitions, 915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:53:25,333 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 887 flow [2024-11-28 03:53:25,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=887, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-28 03:53:25,335 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-28 03:53:25,335 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 887 flow [2024-11-28 03:53:25,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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) [2024-11-28 03:53:25,336 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:25,336 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] [2024-11-28 03:53:25,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:53:25,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:25,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:25,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1071787028, now seen corresponding path program 1 times [2024-11-28 03:53:25,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:25,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467394569] [2024-11-28 03:53:25,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:25,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:25,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467394569] [2024-11-28 03:53:25,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467394569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:25,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:25,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:25,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845084918] [2024-11-28 03:53:25,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:25,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:25,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:25,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:25,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:25,454 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 510 [2024-11-28 03:53:25,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 887 flow. Second operand has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 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) [2024-11-28 03:53:25,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:25,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 510 [2024-11-28 03:53:25,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:25,544 INFO L124 PetriNetUnfolderBase]: 17/558 cut-off events. [2024-11-28 03:53:25,544 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:53:25,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 558 events. 17/558 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1271 event pairs, 0 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 558. Up to 19 conditions per place. [2024-11-28 03:53:25,548 INFO L140 encePairwiseOnDemand]: 506/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-28 03:53:25,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 444 transitions, 938 flow [2024-11-28 03:53:25,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1454 transitions. [2024-11-28 03:53:25,552 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9503267973856209 [2024-11-28 03:53:25,552 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 887 flow. Second operand 3 states and 1454 transitions. [2024-11-28 03:53:25,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 444 transitions, 938 flow [2024-11-28 03:53:25,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:53:25,562 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 896 flow [2024-11-28 03:53:25,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=896, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-28 03:53:25,565 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-28 03:53:25,565 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 896 flow [2024-11-28 03:53:25,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 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) [2024-11-28 03:53:25,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:25,567 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] [2024-11-28 03:53:25,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:53:25,567 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:25,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:25,568 INFO L85 PathProgramCache]: Analyzing trace with hash 804854894, now seen corresponding path program 1 times [2024-11-28 03:53:25,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:25,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223124699] [2024-11-28 03:53:25,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:25,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:25,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:25,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223124699] [2024-11-28 03:53:25,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223124699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:25,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:25,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:25,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122498480] [2024-11-28 03:53:25,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:25,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:25,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:25,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:25,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:25,682 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-28 03:53:25,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:25,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:25,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-28 03:53:25,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:26,025 INFO L124 PetriNetUnfolderBase]: 135/1964 cut-off events. [2024-11-28 03:53:26,026 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2024-11-28 03:53:26,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2188 conditions, 1964 events. 135/1964 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 13274 event pairs, 36 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2150. Up to 187 conditions per place. [2024-11-28 03:53:26,040 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/444 dead transitions. [2024-11-28 03:53:26,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 444 transitions, 953 flow [2024-11-28 03:53:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:26,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-28 03:53:26,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-28 03:53:26,047 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 896 flow. Second operand 3 states and 1449 transitions. [2024-11-28 03:53:26,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 444 transitions, 953 flow [2024-11-28 03:53:26,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 953 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:53:26,056 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 911 flow [2024-11-28 03:53:26,057 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-28 03:53:26,058 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-28 03:53:26,058 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 911 flow [2024-11-28 03:53:26,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-28 03:53:26,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:26,059 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] [2024-11-28 03:53:26,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:53:26,060 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:26,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:26,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2078418225, now seen corresponding path program 1 times [2024-11-28 03:53:26,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:26,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569866149] [2024-11-28 03:53:26,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:26,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:26,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:26,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569866149] [2024-11-28 03:53:26,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569866149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:26,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:26,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:26,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213225091] [2024-11-28 03:53:26,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:26,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:26,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:26,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:26,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:26,186 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-28 03:53:26,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-28 03:53:26,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:26,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-28 03:53:26,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:26,557 INFO L124 PetriNetUnfolderBase]: 148/1733 cut-off events. [2024-11-28 03:53:26,558 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2024-11-28 03:53:26,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 1733 events. 148/1733 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 10808 event pairs, 22 based on Foata normal form. 0/1553 useless extension candidates. Maximal degree in co-relation 1975. Up to 169 conditions per place. [2024-11-28 03:53:26,574 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 17 selfloop transitions, 3 changer transitions 0/443 dead transitions. [2024-11-28 03:53:26,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 443 transitions, 963 flow [2024-11-28 03:53:26,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1448 transitions. [2024-11-28 03:53:26,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9464052287581699 [2024-11-28 03:53:26,578 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 911 flow. Second operand 3 states and 1448 transitions. [2024-11-28 03:53:26,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 443 transitions, 963 flow [2024-11-28 03:53:26,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 443 transitions, 963 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:53:26,593 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 926 flow [2024-11-28 03:53:26,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=926, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-28 03:53:26,597 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-28 03:53:26,598 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 926 flow [2024-11-28 03:53:26,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-28 03:53:26,599 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:26,599 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] [2024-11-28 03:53:26,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:53:26,600 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:26,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:26,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1599082094, now seen corresponding path program 1 times [2024-11-28 03:53:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:26,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687518821] [2024-11-28 03:53:26,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:26,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:26,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687518821] [2024-11-28 03:53:26,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687518821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:26,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:53:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120547779] [2024-11-28 03:53:26,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:26,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:53:26,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:26,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:53:26,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:53:27,438 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 510 [2024-11-28 03:53:27,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 926 flow. Second operand has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 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) [2024-11-28 03:53:27,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:27,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 510 [2024-11-28 03:53:27,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:27,939 INFO L124 PetriNetUnfolderBase]: 87/1593 cut-off events. [2024-11-28 03:53:27,940 INFO L125 PetriNetUnfolderBase]: For 11/34 co-relation queries the response was YES. [2024-11-28 03:53:27,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1593 events. 87/1593 cut-off events. For 11/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7218 event pairs, 20 based on Foata normal form. 5/1496 useless extension candidates. Maximal degree in co-relation 1873. Up to 76 conditions per place. [2024-11-28 03:53:27,950 INFO L140 encePairwiseOnDemand]: 473/510 looper letters, 49 selfloop transitions, 56 changer transitions 0/496 dead transitions. [2024-11-28 03:53:27,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 496 transitions, 1258 flow [2024-11-28 03:53:27,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:53:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:53:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4536 transitions. [2024-11-28 03:53:27,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8894117647058823 [2024-11-28 03:53:27,959 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 926 flow. Second operand 10 states and 4536 transitions. [2024-11-28 03:53:27,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 496 transitions, 1258 flow [2024-11-28 03:53:27,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 496 transitions, 1258 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:53:27,968 INFO L231 Difference]: Finished difference. Result has 450 places, 473 transitions, 1181 flow [2024-11-28 03:53:27,968 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1181, PETRI_PLACES=450, PETRI_TRANSITIONS=473} [2024-11-28 03:53:27,969 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -22 predicate places. [2024-11-28 03:53:27,969 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 473 transitions, 1181 flow [2024-11-28 03:53:27,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 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) [2024-11-28 03:53:27,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:27,972 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] [2024-11-28 03:53:27,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:53:27,972 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:27,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:27,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1341372969, now seen corresponding path program 1 times [2024-11-28 03:53:27,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:27,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965612978] [2024-11-28 03:53:27,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:27,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:28,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:28,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965612978] [2024-11-28 03:53:28,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965612978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:28,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:28,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:28,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281715786] [2024-11-28 03:53:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:28,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:28,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:28,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:28,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:28,280 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-28 03:53:28,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 473 transitions, 1181 flow. Second operand has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 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) [2024-11-28 03:53:28,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:28,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-28 03:53:28,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:28,792 INFO L124 PetriNetUnfolderBase]: 153/2461 cut-off events. [2024-11-28 03:53:28,792 INFO L125 PetriNetUnfolderBase]: For 78/123 co-relation queries the response was YES. [2024-11-28 03:53:28,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 2461 events. 153/2461 cut-off events. For 78/123 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 14929 event pairs, 45 based on Foata normal form. 10/2294 useless extension candidates. Maximal degree in co-relation 2965. Up to 121 conditions per place. [2024-11-28 03:53:28,811 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 24 selfloop transitions, 5 changer transitions 0/484 dead transitions. [2024-11-28 03:53:28,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 484 transitions, 1269 flow [2024-11-28 03:53:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:53:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2390 transitions. [2024-11-28 03:53:28,816 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2024-11-28 03:53:28,816 INFO L175 Difference]: Start difference. First operand has 450 places, 473 transitions, 1181 flow. Second operand 5 states and 2390 transitions. [2024-11-28 03:53:28,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 484 transitions, 1269 flow [2024-11-28 03:53:28,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 484 transitions, 1269 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:53:28,826 INFO L231 Difference]: Finished difference. Result has 456 places, 475 transitions, 1206 flow [2024-11-28 03:53:28,827 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1206, PETRI_PLACES=456, PETRI_TRANSITIONS=475} [2024-11-28 03:53:28,828 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-28 03:53:28,828 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 475 transitions, 1206 flow [2024-11-28 03:53:28,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 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) [2024-11-28 03:53:28,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:28,829 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] [2024-11-28 03:53:28,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:53:28,830 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:28,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:28,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1055991757, now seen corresponding path program 1 times [2024-11-28 03:53:28,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:28,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622595396] [2024-11-28 03:53:28,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:28,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:29,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:29,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622595396] [2024-11-28 03:53:29,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622595396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:29,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:29,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:29,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367542729] [2024-11-28 03:53:29,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:29,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:53:29,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:29,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:53:29,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:30,269 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-28 03:53:30,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 475 transitions, 1206 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-28 03:53:30,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:30,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-28 03:53:30,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:32,873 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-1-->L67-2: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][364], [504#(= |#race~N~0| 0), 77#L67-2true, Black: 543#(<= ~N~0 0), 559#true, Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 526#true, 525#(= |#race~M~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 530#true, Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), Black: 534#true, 207#L89-4true, 532#(= |#race~A~0| 0), 566#true, 142#L51-2true, 342#L62true]) [2024-11-28 03:53:32,874 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-28 03:53:32,874 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-28 03:53:32,874 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-28 03:53:32,874 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-28 03:53:33,460 INFO L124 PetriNetUnfolderBase]: 2248/13787 cut-off events. [2024-11-28 03:53:33,460 INFO L125 PetriNetUnfolderBase]: For 873/909 co-relation queries the response was YES. [2024-11-28 03:53:33,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18861 conditions, 13787 events. 2248/13787 cut-off events. For 873/909 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 151624 event pairs, 1160 based on Foata normal form. 0/12402 useless extension candidates. Maximal degree in co-relation 18809. Up to 3033 conditions per place. [2024-11-28 03:53:33,541 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 54 selfloop transitions, 38 changer transitions 0/520 dead transitions. [2024-11-28 03:53:33,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 520 transitions, 1488 flow [2024-11-28 03:53:33,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:53:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:53:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-28 03:53:33,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-28 03:53:33,548 INFO L175 Difference]: Start difference. First operand has 456 places, 475 transitions, 1206 flow. Second operand 6 states and 2767 transitions. [2024-11-28 03:53:33,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 520 transitions, 1488 flow [2024-11-28 03:53:33,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 520 transitions, 1483 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:53:33,571 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1455 flow [2024-11-28 03:53:33,572 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1455, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-28 03:53:33,573 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-28 03:53:33,573 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1455 flow [2024-11-28 03:53:33,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-28 03:53:33,574 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:33,575 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] [2024-11-28 03:53:33,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:53:33,575 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:33,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:33,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1195836239, now seen corresponding path program 1 times [2024-11-28 03:53:33,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:33,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36836147] [2024-11-28 03:53:33,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:33,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:33,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:33,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36836147] [2024-11-28 03:53:33,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36836147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:33,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:33,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:53:33,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667447789] [2024-11-28 03:53:33,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:33,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:53:33,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:33,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:53:33,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:53:33,669 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-28 03:53:33,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1455 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-28 03:53:33,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:33,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-28 03:53:33,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:36,033 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-1-->L67-2: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][356], [579#(= |#race~B~0| 0), Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 142#L51-2true, 504#(= |#race~N~0| 0), 298#L59true, 77#L67-2true, Black: 543#(<= ~N~0 0), Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 207#L89-4true, 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1)))), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0), Black: 571#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0))]) [2024-11-28 03:53:36,033 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-28 03:53:36,033 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-28 03:53:36,033 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-28 03:53:36,033 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-28 03:53:36,783 INFO L124 PetriNetUnfolderBase]: 1600/11576 cut-off events. [2024-11-28 03:53:36,783 INFO L125 PetriNetUnfolderBase]: For 741/958 co-relation queries the response was YES. [2024-11-28 03:53:36,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16517 conditions, 11576 events. 1600/11576 cut-off events. For 741/958 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 122916 event pairs, 343 based on Foata normal form. 0/10650 useless extension candidates. Maximal degree in co-relation 16462. Up to 1365 conditions per place. [2024-11-28 03:53:36,867 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/517 dead transitions. [2024-11-28 03:53:36,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 517 transitions, 1512 flow [2024-11-28 03:53:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:53:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:53:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-28 03:53:36,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-28 03:53:36,870 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1455 flow. Second operand 3 states and 1449 transitions. [2024-11-28 03:53:36,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 517 transitions, 1512 flow [2024-11-28 03:53:36,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 517 transitions, 1512 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:53:36,891 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1470 flow [2024-11-28 03:53:36,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1449, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1470, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-28 03:53:36,892 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-28 03:53:36,893 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1470 flow [2024-11-28 03:53:36,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-28 03:53:36,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:36,894 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] [2024-11-28 03:53:36,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:53:36,894 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:36,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:36,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1382733673, now seen corresponding path program 1 times [2024-11-28 03:53:36,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:36,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31246214] [2024-11-28 03:53:36,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:36,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:37,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:37,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31246214] [2024-11-28 03:53:37,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31246214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:37,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:37,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:37,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87647204] [2024-11-28 03:53:37,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:37,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:53:37,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:37,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:53:37,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:38,552 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-28 03:53:38,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1470 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-28 03:53:38,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:38,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-28 03:53:38,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:42,951 INFO L124 PetriNetUnfolderBase]: 4627/22163 cut-off events. [2024-11-28 03:53:42,951 INFO L125 PetriNetUnfolderBase]: For 5500/8057 co-relation queries the response was YES. [2024-11-28 03:53:43,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36861 conditions, 22163 events. 4627/22163 cut-off events. For 5500/8057 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 267158 event pairs, 1255 based on Foata normal form. 57/20417 useless extension candidates. Maximal degree in co-relation 36804. Up to 5415 conditions per place. [2024-11-28 03:53:43,105 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 85 selfloop transitions, 110 changer transitions 0/629 dead transitions. [2024-11-28 03:53:43,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 629 transitions, 2432 flow [2024-11-28 03:53:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:53:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:53:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-28 03:53:43,110 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-28 03:53:43,110 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1470 flow. Second operand 6 states and 2767 transitions. [2024-11-28 03:53:43,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 629 transitions, 2432 flow [2024-11-28 03:53:43,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 629 transitions, 2432 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:53:43,146 INFO L231 Difference]: Finished difference. Result has 474 places, 621 transitions, 2528 flow [2024-11-28 03:53:43,147 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2528, PETRI_PLACES=474, PETRI_TRANSITIONS=621} [2024-11-28 03:53:43,147 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, 2 predicate places. [2024-11-28 03:53:43,148 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 621 transitions, 2528 flow [2024-11-28 03:53:43,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-28 03:53:43,149 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:43,149 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] [2024-11-28 03:53:43,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:53:43,149 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:43,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:43,150 INFO L85 PathProgramCache]: Analyzing trace with hash 135860595, now seen corresponding path program 1 times [2024-11-28 03:53:43,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:43,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441088395] [2024-11-28 03:53:43,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:43,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:43,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:43,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:43,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441088395] [2024-11-28 03:53:43,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441088395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:43,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:43,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:43,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006275787] [2024-11-28 03:53:43,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:43,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:53:43,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:43,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:53:43,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:44,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-28 03:53:44,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 621 transitions, 2528 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-28 03:53:44,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:44,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-28 03:53:44,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:50,508 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-1-->L67-2: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][355], [579#(= |#race~B~0| 0), 592#true, Black: 577#true, Black: 586#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 2 ~A~0.offset)) 0)), Black: 583#(= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0), Black: 585#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 2 ~A~0.offset)) 0)), Black: 584#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0)), Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 142#L51-2true, 504#(= |#race~N~0| 0), 77#L67-2true, Black: 543#(<= ~N~0 0), Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 581#true, 207#L89-4true, 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1)))), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0), 342#L62true, Black: 571#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0))]) [2024-11-28 03:53:50,508 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-28 03:53:50,508 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-28 03:53:50,508 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-28 03:53:50,508 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-28 03:53:52,127 INFO L124 PetriNetUnfolderBase]: 6954/31115 cut-off events. [2024-11-28 03:53:52,127 INFO L125 PetriNetUnfolderBase]: For 23438/33946 co-relation queries the response was YES. [2024-11-28 03:53:52,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61286 conditions, 31115 events. 6954/31115 cut-off events. For 23438/33946 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 394867 event pairs, 1661 based on Foata normal form. 203/29017 useless extension candidates. Maximal degree in co-relation 61224. Up to 7756 conditions per place. [2024-11-28 03:53:52,332 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 187 selfloop transitions, 215 changer transitions 0/838 dead transitions. [2024-11-28 03:53:52,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 838 transitions, 5026 flow [2024-11-28 03:53:52,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:53:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:53:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-28 03:53:52,337 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-28 03:53:52,337 INFO L175 Difference]: Start difference. First operand has 474 places, 621 transitions, 2528 flow. Second operand 6 states and 2767 transitions. [2024-11-28 03:53:52,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 838 transitions, 5026 flow [2024-11-28 03:53:52,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 838 transitions, 5026 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:53:52,419 INFO L231 Difference]: Finished difference. Result has 484 places, 830 transitions, 5178 flow [2024-11-28 03:53:52,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=2528, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5178, PETRI_PLACES=484, PETRI_TRANSITIONS=830} [2024-11-28 03:53:52,420 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, 12 predicate places. [2024-11-28 03:53:52,420 INFO L471 AbstractCegarLoop]: Abstraction has has 484 places, 830 transitions, 5178 flow [2024-11-28 03:53:52,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-28 03:53:52,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:52,422 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] [2024-11-28 03:53:52,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:53:52,422 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:53:52,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1238298255, now seen corresponding path program 1 times [2024-11-28 03:53:52,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:52,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163554950] [2024-11-28 03:53:52,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:52,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:53,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:53,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163554950] [2024-11-28 03:53:53,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163554950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:53,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:53,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:53,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520669580] [2024-11-28 03:53:53,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:53,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:53:53,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:53,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:53:53,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:54,031 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-28 03:53:54,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 830 transitions, 5178 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-28 03:53:54,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:54,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-28 03:53:54,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:54:03,329 INFO L124 PetriNetUnfolderBase]: 10076/38698 cut-off events. [2024-11-28 03:54:03,330 INFO L125 PetriNetUnfolderBase]: For 71639/80378 co-relation queries the response was YES. [2024-11-28 03:54:03,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93348 conditions, 38698 events. 10076/38698 cut-off events. For 71639/80378 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 497122 event pairs, 1689 based on Foata normal form. 670/36722 useless extension candidates. Maximal degree in co-relation 93281. Up to 11029 conditions per place. [2024-11-28 03:54:03,645 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 382 selfloop transitions, 495 changer transitions 0/1319 dead transitions. [2024-11-28 03:54:03,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 1319 transitions, 12054 flow [2024-11-28 03:54:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:54:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:54:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-28 03:54:03,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-28 03:54:03,653 INFO L175 Difference]: Start difference. First operand has 484 places, 830 transitions, 5178 flow. Second operand 6 states and 2767 transitions. [2024-11-28 03:54:03,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 1319 transitions, 12054 flow [2024-11-28 03:54:03,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 1319 transitions, 12054 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:54:03,842 INFO L231 Difference]: Finished difference. Result has 494 places, 1311 transitions, 12524 flow [2024-11-28 03:54:03,843 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=5178, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=830, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=12524, PETRI_PLACES=494, PETRI_TRANSITIONS=1311} [2024-11-28 03:54:03,843 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, 22 predicate places. [2024-11-28 03:54:03,843 INFO L471 AbstractCegarLoop]: Abstraction has has 494 places, 1311 transitions, 12524 flow [2024-11-28 03:54:03,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-28 03:54:03,844 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:54:03,844 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, 1, 1, 1] [2024-11-28 03:54:03,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:54:03,844 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-28 03:54:03,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:03,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1958288497, now seen corresponding path program 1 times [2024-11-28 03:54:03,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:03,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690198866] [2024-11-28 03:54:03,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:03,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:54:04,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:04,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690198866] [2024-11-28 03:54:04,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690198866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:04,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:04,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:54:04,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922351652] [2024-11-28 03:54:04,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:04,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:54:04,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:04,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:54:04,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:05,275 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 510 [2024-11-28 03:54:05,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 1311 transitions, 12524 flow. Second operand has 6 states, 6 states have (on average 419.1666666666667) internal successors, (2515), 6 states have internal predecessors, (2515), 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) [2024-11-28 03:54:05,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:54:05,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 510 [2024-11-28 03:54:05,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand