./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-4.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_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/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_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/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_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/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 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:30:44,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:30:44,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:30:44,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:30:44,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:30:44,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:30:44,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:30:44,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:30:44,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:30:44,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:30:44,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:30:44,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:30:44,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:30:44,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:30:44,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:30:44,921 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:30:44,921 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:30:44,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:30:44,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:30:44,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:30:44,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:30:44,921 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:30:44,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:44,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:44,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:44,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:30:44,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:44,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:44,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:44,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:30:44,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:30:44,924 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_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/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 -> 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 [2024-11-28 04:30:45,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:30:45,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:30:45,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:30:45,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:30:45,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:30:45,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2024-11-28 04:30:48,007 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/data/3cb72bb6c/98723256a11a421d8e52e84ef779bf64/FLAG4aba439ec [2024-11-28 04:30:48,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:30:48,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2024-11-28 04:30:48,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/data/3cb72bb6c/98723256a11a421d8e52e84ef779bf64/FLAG4aba439ec [2024-11-28 04:30:48,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/data/3cb72bb6c/98723256a11a421d8e52e84ef779bf64 [2024-11-28 04:30:48,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:30:48,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:30:48,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:48,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:30:48,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:30:48,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a647d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48, skipping insertion in model container [2024-11-28 04:30:48,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:30:48,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:48,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:30:48,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:48,780 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:30:48,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48 WrapperNode [2024-11-28 04:30:48,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:48,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:48,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:30:48,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:30:48,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,863 INFO L138 Inliner]: procedures = 23, calls = 32, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 396 [2024-11-28 04:30:48,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:48,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:30:48,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:30:48,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:30:48,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,919 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:30:48,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:30:48,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:30:48,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:30:48,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (1/1) ... [2024-11-28 04:30:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:48,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:48,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:30:48,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:30:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:30:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:30:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:30:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:30:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:30:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:30:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:30:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:30:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:30:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:30:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:30:49,020 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 04:30:49,156 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:30:49,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:30:50,082 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:30:50,082 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:30:50,118 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:30:50,118 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 04:30:50,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:50 BoogieIcfgContainer [2024-11-28 04:30:50,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:30:50,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:30:50,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:30:50,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:30:50,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:30:48" (1/3) ... [2024-11-28 04:30:50,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9aa733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:50, skipping insertion in model container [2024-11-28 04:30:50,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:48" (2/3) ... [2024-11-28 04:30:50,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9aa733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:50, skipping insertion in model container [2024-11-28 04:30:50,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:50" (3/3) ... [2024-11-28 04:30:50,146 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2024-11-28 04:30:50,162 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:30:50,164 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-4.wvr.c that has 3 procedures, 505 locations, 1 initial locations, 3 loop locations, and 69 error locations. [2024-11-28 04:30:50,164 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:30:50,385 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:30:50,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 511 places, 533 transitions, 1080 flow [2024-11-28 04:30:50,697 INFO L124 PetriNetUnfolderBase]: 29/531 cut-off events. [2024-11-28 04:30:50,700 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:30:50,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 531 events. 29/531 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1435 event pairs, 0 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 405. Up to 2 conditions per place. [2024-11-28 04:30:50,717 INFO L82 GeneralOperation]: Start removeDead. Operand has 511 places, 533 transitions, 1080 flow [2024-11-28 04:30:50,733 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 493 places, 514 transitions, 1040 flow [2024-11-28 04:30:50,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:30:50,770 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;@71c9094, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:30:50,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2024-11-28 04:30:50,777 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:30:50,778 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-28 04:30:50,778 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:30:50,779 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:50,779 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] [2024-11-28 04:30:50,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:50,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:50,786 INFO L85 PathProgramCache]: Analyzing trace with hash -417522912, now seen corresponding path program 1 times [2024-11-28 04:30:50,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:50,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399913439] [2024-11-28 04:30:50,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:50,997 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 04:30:50,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399913439] [2024-11-28 04:30:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399913439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:50,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:50,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:51,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648323126] [2024-11-28 04:30:51,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:51,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:51,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:51,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:51,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:51,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 533 [2024-11-28 04:30:51,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 514 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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 04:30:51,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:51,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 533 [2024-11-28 04:30:51,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:51,297 INFO L124 PetriNetUnfolderBase]: 33/772 cut-off events. [2024-11-28 04:30:51,298 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-28 04:30:51,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 772 events. 33/772 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3521 event pairs, 9 based on Foata normal form. 17/641 useless extension candidates. Maximal degree in co-relation 683. Up to 36 conditions per place. [2024-11-28 04:30:51,309 INFO L140 encePairwiseOnDemand]: 516/533 looper letters, 12 selfloop transitions, 2 changer transitions 3/499 dead transitions. [2024-11-28 04:30:51,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 499 transitions, 1038 flow [2024-11-28 04:30:51,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1532 transitions. [2024-11-28 04:30:51,326 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9580988117573483 [2024-11-28 04:30:51,328 INFO L175 Difference]: Start difference. First operand has 493 places, 514 transitions, 1040 flow. Second operand 3 states and 1532 transitions. [2024-11-28 04:30:51,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 499 transitions, 1038 flow [2024-11-28 04:30:51,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 499 transitions, 1030 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:30:51,345 INFO L231 Difference]: Finished difference. Result has 490 places, 496 transitions, 1000 flow [2024-11-28 04:30:51,348 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1000, PETRI_PLACES=490, PETRI_TRANSITIONS=496} [2024-11-28 04:30:51,351 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -3 predicate places. [2024-11-28 04:30:51,352 INFO L471 AbstractCegarLoop]: Abstraction has has 490 places, 496 transitions, 1000 flow [2024-11-28 04:30:51,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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 04:30:51,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:51,355 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] [2024-11-28 04:30:51,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:30:51,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:51,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:51,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1095862292, now seen corresponding path program 1 times [2024-11-28 04:30:51,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:51,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286316611] [2024-11-28 04:30:51,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:51,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:51,441 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 04:30:51,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286316611] [2024-11-28 04:30:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286316611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:51,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:51,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:51,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335840947] [2024-11-28 04:30:51,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:51,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:51,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:51,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:51,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:51,532 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 496 out of 533 [2024-11-28 04:30:51,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 496 transitions, 1000 flow. Second operand has 3 states, 3 states have (on average 497.3333333333333) internal successors, (1492), 3 states have internal predecessors, (1492), 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 04:30:51,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:51,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 496 of 533 [2024-11-28 04:30:51,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:51,791 INFO L124 PetriNetUnfolderBase]: 40/852 cut-off events. [2024-11-28 04:30:51,791 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-28 04:30:51,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 852 events. 40/852 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3689 event pairs, 15 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 881. Up to 48 conditions per place. [2024-11-28 04:30:51,804 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 17 selfloop transitions, 2 changer transitions 0/495 dead transitions. [2024-11-28 04:30:51,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 495 transitions, 1036 flow [2024-11-28 04:30:51,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1508 transitions. [2024-11-28 04:30:51,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.943089430894309 [2024-11-28 04:30:51,814 INFO L175 Difference]: Start difference. First operand has 490 places, 496 transitions, 1000 flow. Second operand 3 states and 1508 transitions. [2024-11-28 04:30:51,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 495 transitions, 1036 flow [2024-11-28 04:30:51,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 495 transitions, 1032 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:30:51,828 INFO L231 Difference]: Finished difference. Result has 486 places, 495 transitions, 998 flow [2024-11-28 04:30:51,829 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=998, PETRI_PLACES=486, PETRI_TRANSITIONS=495} [2024-11-28 04:30:51,830 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -7 predicate places. [2024-11-28 04:30:51,830 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 495 transitions, 998 flow [2024-11-28 04:30:51,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 497.3333333333333) internal successors, (1492), 3 states have internal predecessors, (1492), 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 04:30:51,831 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:51,832 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] [2024-11-28 04:30:51,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:30:51,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:51,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1336009616, now seen corresponding path program 1 times [2024-11-28 04:30:51,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:51,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218244476] [2024-11-28 04:30:51,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:51,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:51,912 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 04:30:51,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:51,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218244476] [2024-11-28 04:30:51,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218244476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:51,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:51,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:51,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221970039] [2024-11-28 04:30:51,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:51,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:51,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:51,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:51,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:51,978 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 533 [2024-11-28 04:30:51,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 495 transitions, 998 flow. Second operand has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 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 04:30:51,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:51,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 533 [2024-11-28 04:30:51,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:52,517 INFO L124 PetriNetUnfolderBase]: 142/1933 cut-off events. [2024-11-28 04:30:52,517 INFO L125 PetriNetUnfolderBase]: For 33/34 co-relation queries the response was YES. [2024-11-28 04:30:52,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2100 conditions, 1933 events. 142/1933 cut-off events. For 33/34 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 12015 event pairs, 44 based on Foata normal form. 0/1554 useless extension candidates. Maximal degree in co-relation 2064. Up to 157 conditions per place. [2024-11-28 04:30:52,549 INFO L140 encePairwiseOnDemand]: 522/533 looper letters, 24 selfloop transitions, 1 changer transitions 0/485 dead transitions. [2024-11-28 04:30:52,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 485 transitions, 1028 flow [2024-11-28 04:30:52,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:52,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1481 transitions. [2024-11-28 04:30:52,556 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9262038774233896 [2024-11-28 04:30:52,556 INFO L175 Difference]: Start difference. First operand has 486 places, 495 transitions, 998 flow. Second operand 3 states and 1481 transitions. [2024-11-28 04:30:52,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 485 transitions, 1028 flow [2024-11-28 04:30:52,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 485 transitions, 1024 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:30:52,568 INFO L231 Difference]: Finished difference. Result has 476 places, 485 transitions, 976 flow [2024-11-28 04:30:52,568 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=976, PETRI_PLACES=476, PETRI_TRANSITIONS=485} [2024-11-28 04:30:52,569 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -17 predicate places. [2024-11-28 04:30:52,569 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 485 transitions, 976 flow [2024-11-28 04:30:52,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 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 04:30:52,571 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:52,571 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] [2024-11-28 04:30:52,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:30:52,571 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:52,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:52,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1289864517, now seen corresponding path program 1 times [2024-11-28 04:30:52,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:52,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706537309] [2024-11-28 04:30:52,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:53,673 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 04:30:53,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706537309] [2024-11-28 04:30:53,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706537309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:53,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:53,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:30:53,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608903166] [2024-11-28 04:30:53,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:53,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:30:53,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:53,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:30:53,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:30:54,100 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 533 [2024-11-28 04:30:54,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 485 transitions, 976 flow. Second operand has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 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 04:30:54,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:54,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 533 [2024-11-28 04:30:54,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:54,549 INFO L124 PetriNetUnfolderBase]: 289/2556 cut-off events. [2024-11-28 04:30:54,549 INFO L125 PetriNetUnfolderBase]: For 60/61 co-relation queries the response was YES. [2024-11-28 04:30:54,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2978 conditions, 2556 events. 289/2556 cut-off events. For 60/61 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 17217 event pairs, 144 based on Foata normal form. 0/2068 useless extension candidates. Maximal degree in co-relation 2943. Up to 408 conditions per place. [2024-11-28 04:30:54,577 INFO L140 encePairwiseOnDemand]: 527/533 looper letters, 44 selfloop transitions, 5 changer transitions 0/484 dead transitions. [2024-11-28 04:30:54,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 484 transitions, 1072 flow [2024-11-28 04:30:54,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:30:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:30:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2852 transitions. [2024-11-28 04:30:54,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8918073796122576 [2024-11-28 04:30:54,585 INFO L175 Difference]: Start difference. First operand has 476 places, 485 transitions, 976 flow. Second operand 6 states and 2852 transitions. [2024-11-28 04:30:54,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 484 transitions, 1072 flow [2024-11-28 04:30:54,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 484 transitions, 1071 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:30:54,594 INFO L231 Difference]: Finished difference. Result has 479 places, 484 transitions, 983 flow [2024-11-28 04:30:54,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=973, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=983, PETRI_PLACES=479, PETRI_TRANSITIONS=484} [2024-11-28 04:30:54,597 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -14 predicate places. [2024-11-28 04:30:54,597 INFO L471 AbstractCegarLoop]: Abstraction has has 479 places, 484 transitions, 983 flow [2024-11-28 04:30:54,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 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 04:30:54,600 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:54,600 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] [2024-11-28 04:30:54,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:30:54,600 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:54,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:54,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2072649039, now seen corresponding path program 1 times [2024-11-28 04:30:54,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:54,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305230802] [2024-11-28 04:30:54,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:54,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:54,663 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 04:30:54,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:54,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305230802] [2024-11-28 04:30:54,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305230802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:54,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:54,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:54,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756325986] [2024-11-28 04:30:54,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:54,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:54,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:54,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:54,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:54,738 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 533 [2024-11-28 04:30:54,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 484 transitions, 983 flow. Second operand has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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 04:30:54,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:54,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 533 [2024-11-28 04:30:54,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:54,879 INFO L124 PetriNetUnfolderBase]: 40/833 cut-off events. [2024-11-28 04:30:54,880 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-28 04:30:54,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 833 events. 40/833 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3574 event pairs, 15 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 874. Up to 46 conditions per place. [2024-11-28 04:30:54,891 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 15 selfloop transitions, 2 changer transitions 0/483 dead transitions. [2024-11-28 04:30:54,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 483 transitions, 1015 flow [2024-11-28 04:30:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2024-11-28 04:30:54,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9455909943714822 [2024-11-28 04:30:54,898 INFO L175 Difference]: Start difference. First operand has 479 places, 484 transitions, 983 flow. Second operand 3 states and 1512 transitions. [2024-11-28 04:30:54,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 483 transitions, 1015 flow [2024-11-28 04:30:54,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 483 transitions, 1005 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:30:54,936 INFO L231 Difference]: Finished difference. Result has 475 places, 483 transitions, 975 flow [2024-11-28 04:30:54,937 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=975, PETRI_PLACES=475, PETRI_TRANSITIONS=483} [2024-11-28 04:30:54,937 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -18 predicate places. [2024-11-28 04:30:54,937 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 483 transitions, 975 flow [2024-11-28 04:30:54,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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 04:30:54,939 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:54,940 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] [2024-11-28 04:30:54,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:30:54,941 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:54,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1063838001, now seen corresponding path program 1 times [2024-11-28 04:30:54,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:54,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396400034] [2024-11-28 04:30:54,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:54,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:55,009 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 04:30:55,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:55,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396400034] [2024-11-28 04:30:55,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396400034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:55,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:55,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:55,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895610898] [2024-11-28 04:30:55,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:55,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:55,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:55,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:55,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:55,043 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 533 [2024-11-28 04:30:55,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 483 transitions, 975 flow. Second operand has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 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 04:30:55,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:55,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 533 [2024-11-28 04:30:55,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:55,260 INFO L124 PetriNetUnfolderBase]: 84/1574 cut-off events. [2024-11-28 04:30:55,261 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 04:30:55,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1664 conditions, 1574 events. 84/1574 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9507 event pairs, 17 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1628. Up to 77 conditions per place. [2024-11-28 04:30:55,273 INFO L140 encePairwiseOnDemand]: 526/533 looper letters, 16 selfloop transitions, 2 changer transitions 0/481 dead transitions. [2024-11-28 04:30:55,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 481 transitions, 1008 flow [2024-11-28 04:30:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2024-11-28 04:30:55,276 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9468417761100688 [2024-11-28 04:30:55,277 INFO L175 Difference]: Start difference. First operand has 475 places, 483 transitions, 975 flow. Second operand 3 states and 1514 transitions. [2024-11-28 04:30:55,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 481 transitions, 1008 flow [2024-11-28 04:30:55,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 481 transitions, 1004 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:30:55,287 INFO L231 Difference]: Finished difference. Result has 471 places, 480 transitions, 975 flow [2024-11-28 04:30:55,288 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=975, PETRI_PLACES=471, PETRI_TRANSITIONS=480} [2024-11-28 04:30:55,288 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -22 predicate places. [2024-11-28 04:30:55,289 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 480 transitions, 975 flow [2024-11-28 04:30:55,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 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 04:30:55,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:55,290 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] [2024-11-28 04:30:55,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:30:55,290 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:55,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:55,291 INFO L85 PathProgramCache]: Analyzing trace with hash -232996102, now seen corresponding path program 1 times [2024-11-28 04:30:55,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:55,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199721569] [2024-11-28 04:30:55,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:55,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:55,339 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 04:30:55,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:55,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199721569] [2024-11-28 04:30:55,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199721569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:55,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:55,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:55,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507318947] [2024-11-28 04:30:55,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:55,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:55,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:55,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:55,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:55,373 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 533 [2024-11-28 04:30:55,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 480 transitions, 975 flow. Second operand has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 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 04:30:55,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:55,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 533 [2024-11-28 04:30:55,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:55,541 INFO L124 PetriNetUnfolderBase]: 46/1161 cut-off events. [2024-11-28 04:30:55,541 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2024-11-28 04:30:55,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1212 conditions, 1161 events. 46/1161 cut-off events. For 2/8 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5440 event pairs, 1 based on Foata normal form. 1/971 useless extension candidates. Maximal degree in co-relation 1177. Up to 20 conditions per place. [2024-11-28 04:30:55,551 INFO L140 encePairwiseOnDemand]: 526/533 looper letters, 11 selfloop transitions, 3 changer transitions 0/477 dead transitions. [2024-11-28 04:30:55,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 477 transitions, 998 flow [2024-11-28 04:30:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1518 transitions. [2024-11-28 04:30:55,555 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.949343339587242 [2024-11-28 04:30:55,555 INFO L175 Difference]: Start difference. First operand has 471 places, 480 transitions, 975 flow. Second operand 3 states and 1518 transitions. [2024-11-28 04:30:55,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 477 transitions, 998 flow [2024-11-28 04:30:55,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 477 transitions, 998 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:30:55,563 INFO L231 Difference]: Finished difference. Result has 469 places, 476 transitions, 973 flow [2024-11-28 04:30:55,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=973, PETRI_PLACES=469, PETRI_TRANSITIONS=476} [2024-11-28 04:30:55,565 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -24 predicate places. [2024-11-28 04:30:55,565 INFO L471 AbstractCegarLoop]: Abstraction has has 469 places, 476 transitions, 973 flow [2024-11-28 04:30:55,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 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 04:30:55,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:55,566 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] [2024-11-28 04:30:55,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:30:55,567 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:55,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:55,567 INFO L85 PathProgramCache]: Analyzing trace with hash 869041144, now seen corresponding path program 1 times [2024-11-28 04:30:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:55,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961141754] [2024-11-28 04:30:55,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:55,615 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 04:30:55,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:55,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961141754] [2024-11-28 04:30:55,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961141754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:55,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:55,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:55,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415641504] [2024-11-28 04:30:55,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:55,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:55,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:55,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:55,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:55,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 533 [2024-11-28 04:30:55,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 476 transitions, 973 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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 04:30:55,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:55,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 533 [2024-11-28 04:30:55,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:55,926 INFO L124 PetriNetUnfolderBase]: 83/1035 cut-off events. [2024-11-28 04:30:55,927 INFO L125 PetriNetUnfolderBase]: For 51/52 co-relation queries the response was YES. [2024-11-28 04:30:55,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256 conditions, 1035 events. 83/1035 cut-off events. For 51/52 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5378 event pairs, 7 based on Foata normal form. 1/919 useless extension candidates. Maximal degree in co-relation 1220. Up to 169 conditions per place. [2024-11-28 04:30:55,936 INFO L140 encePairwiseOnDemand]: 496/533 looper letters, 39 selfloop transitions, 14 changer transitions 4/455 dead transitions. [2024-11-28 04:30:55,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 455 transitions, 1042 flow [2024-11-28 04:30:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1397 transitions. [2024-11-28 04:30:55,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8736710444027517 [2024-11-28 04:30:55,940 INFO L175 Difference]: Start difference. First operand has 469 places, 476 transitions, 973 flow. Second operand 3 states and 1397 transitions. [2024-11-28 04:30:55,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 455 transitions, 1042 flow [2024-11-28 04:30:55,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 455 transitions, 1036 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:30:55,948 INFO L231 Difference]: Finished difference. Result has 447 places, 450 transitions, 942 flow [2024-11-28 04:30:55,949 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=942, PETRI_PLACES=447, PETRI_TRANSITIONS=450} [2024-11-28 04:30:55,949 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2024-11-28 04:30:55,949 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 450 transitions, 942 flow [2024-11-28 04:30:55,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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 04:30:55,951 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:55,951 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] [2024-11-28 04:30:55,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:30:55,951 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:55,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:55,952 INFO L85 PathProgramCache]: Analyzing trace with hash -827877348, now seen corresponding path program 1 times [2024-11-28 04:30:55,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:55,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819022785] [2024-11-28 04:30:55,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:55,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:56,032 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 04:30:56,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:56,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819022785] [2024-11-28 04:30:56,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819022785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:56,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:56,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398985586] [2024-11-28 04:30:56,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:56,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:56,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:56,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:56,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:56,086 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 488 out of 533 [2024-11-28 04:30:56,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 450 transitions, 942 flow. Second operand has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 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 04:30:56,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:56,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 488 of 533 [2024-11-28 04:30:56,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:56,356 INFO L124 PetriNetUnfolderBase]: 139/2007 cut-off events. [2024-11-28 04:30:56,357 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 04:30:56,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 2007 events. 139/2007 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 12722 event pairs, 15 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2226. Up to 143 conditions per place. [2024-11-28 04:30:56,372 INFO L140 encePairwiseOnDemand]: 520/533 looper letters, 22 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-28 04:30:56,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 449 transitions, 996 flow [2024-11-28 04:30:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:30:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1499 transitions. [2024-11-28 04:30:56,376 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374609130706691 [2024-11-28 04:30:56,376 INFO L175 Difference]: Start difference. First operand has 447 places, 450 transitions, 942 flow. Second operand 3 states and 1499 transitions. [2024-11-28 04:30:56,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 449 transitions, 996 flow [2024-11-28 04:30:56,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 449 transitions, 968 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:30:56,385 INFO L231 Difference]: Finished difference. Result has 436 places, 447 transitions, 933 flow [2024-11-28 04:30:56,386 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=933, PETRI_PLACES=436, PETRI_TRANSITIONS=447} [2024-11-28 04:30:56,386 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -57 predicate places. [2024-11-28 04:30:56,386 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 447 transitions, 933 flow [2024-11-28 04:30:56,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 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 04:30:56,388 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:56,388 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] [2024-11-28 04:30:56,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:30:56,388 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:56,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:56,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1577088830, now seen corresponding path program 1 times [2024-11-28 04:30:56,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:56,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229522823] [2024-11-28 04:30:56,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:56,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:56,519 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 04:30:56,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:56,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229522823] [2024-11-28 04:30:56,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229522823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:56,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:56,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:30:56,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95039008] [2024-11-28 04:30:56,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:56,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:56,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:56,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:56,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:56,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 533 [2024-11-28 04:30:56,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 447 transitions, 933 flow. Second operand has 4 states, 4 states have (on average 507.25) internal successors, (2029), 4 states have internal predecessors, (2029), 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 04:30:56,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:56,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 533 [2024-11-28 04:30:56,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:56,963 INFO L124 PetriNetUnfolderBase]: 127/2483 cut-off events. [2024-11-28 04:30:56,964 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:30:56,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2639 conditions, 2483 events. 127/2483 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 16442 event pairs, 7 based on Foata normal form. 0/2213 useless extension candidates. Maximal degree in co-relation 2602. Up to 59 conditions per place. [2024-11-28 04:30:56,981 INFO L140 encePairwiseOnDemand]: 527/533 looper letters, 13 selfloop transitions, 6 changer transitions 0/456 dead transitions. [2024-11-28 04:30:56,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 456 transitions, 993 flow [2024-11-28 04:30:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:30:56,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:30:56,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2550 transitions. [2024-11-28 04:30:56,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9568480300187617 [2024-11-28 04:30:56,988 INFO L175 Difference]: Start difference. First operand has 436 places, 447 transitions, 933 flow. Second operand 5 states and 2550 transitions. [2024-11-28 04:30:56,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 456 transitions, 993 flow [2024-11-28 04:30:56,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 456 transitions, 993 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:30:56,996 INFO L231 Difference]: Finished difference. Result has 443 places, 451 transitions, 971 flow [2024-11-28 04:30:56,997 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=971, PETRI_PLACES=443, PETRI_TRANSITIONS=451} [2024-11-28 04:30:56,997 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -50 predicate places. [2024-11-28 04:30:56,997 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 451 transitions, 971 flow [2024-11-28 04:30:56,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 507.25) internal successors, (2029), 4 states have internal predecessors, (2029), 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 04:30:56,998 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:56,999 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] [2024-11-28 04:30:56,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:30:56,999 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:57,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1657285755, now seen corresponding path program 1 times [2024-11-28 04:30:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:57,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421496213] [2024-11-28 04:30:57,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:57,547 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 04:30:57,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:57,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421496213] [2024-11-28 04:30:57,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421496213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:57,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:57,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:30:57,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594740295] [2024-11-28 04:30:57,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:57,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:30:57,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:57,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:30:57,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:30:58,256 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 499 out of 533 [2024-11-28 04:30:58,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 451 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 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 04:30:58,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:58,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 499 of 533 [2024-11-28 04:30:58,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:58,713 INFO L124 PetriNetUnfolderBase]: 102/1913 cut-off events. [2024-11-28 04:30:58,714 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-28 04:30:58,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 1913 events. 102/1913 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11575 event pairs, 6 based on Foata normal form. 0/1717 useless extension candidates. Maximal degree in co-relation 2053. Up to 46 conditions per place. [2024-11-28 04:30:58,737 INFO L140 encePairwiseOnDemand]: 527/533 looper letters, 15 selfloop transitions, 6 changer transitions 0/454 dead transitions. [2024-11-28 04:30:58,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 454 transitions, 1023 flow [2024-11-28 04:30:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:30:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:30:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3015 transitions. [2024-11-28 04:30:58,747 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9427767354596623 [2024-11-28 04:30:58,747 INFO L175 Difference]: Start difference. First operand has 443 places, 451 transitions, 971 flow. Second operand 6 states and 3015 transitions. [2024-11-28 04:30:58,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 454 transitions, 1023 flow [2024-11-28 04:30:58,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 454 transitions, 1023 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:30:58,757 INFO L231 Difference]: Finished difference. Result has 447 places, 450 transitions, 981 flow [2024-11-28 04:30:58,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=981, PETRI_PLACES=447, PETRI_TRANSITIONS=450} [2024-11-28 04:30:58,759 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2024-11-28 04:30:58,759 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 450 transitions, 981 flow [2024-11-28 04:30:58,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 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 04:30:58,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:58,762 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] [2024-11-28 04:30:58,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:30:58,762 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:58,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:58,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1510579028, now seen corresponding path program 1 times [2024-11-28 04:30:58,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:58,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661836003] [2024-11-28 04:30:58,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:58,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:58,923 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 04:30:58,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:58,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661836003] [2024-11-28 04:30:58,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661836003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:58,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:58,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:30:58,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482464094] [2024-11-28 04:30:58,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:58,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:58,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:58,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:58,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:59,204 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 533 [2024-11-28 04:30:59,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 450 transitions, 981 flow. Second operand has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 04:30:59,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:59,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 533 [2024-11-28 04:30:59,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:30:59,693 INFO L124 PetriNetUnfolderBase]: 155/2631 cut-off events. [2024-11-28 04:30:59,693 INFO L125 PetriNetUnfolderBase]: For 48/49 co-relation queries the response was YES. [2024-11-28 04:30:59,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2967 conditions, 2631 events. 155/2631 cut-off events. For 48/49 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 16801 event pairs, 14 based on Foata normal form. 0/2357 useless extension candidates. Maximal degree in co-relation 2924. Up to 111 conditions per place. [2024-11-28 04:30:59,717 INFO L140 encePairwiseOnDemand]: 524/533 looper letters, 18 selfloop transitions, 9 changer transitions 0/461 dead transitions. [2024-11-28 04:30:59,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 461 transitions, 1060 flow [2024-11-28 04:30:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:30:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:30:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2528 transitions. [2024-11-28 04:30:59,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.94859287054409 [2024-11-28 04:30:59,723 INFO L175 Difference]: Start difference. First operand has 447 places, 450 transitions, 981 flow. Second operand 5 states and 2528 transitions. [2024-11-28 04:30:59,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 461 transitions, 1060 flow [2024-11-28 04:30:59,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 461 transitions, 1048 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:30:59,733 INFO L231 Difference]: Finished difference. Result has 449 places, 457 transitions, 1031 flow [2024-11-28 04:30:59,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1031, PETRI_PLACES=449, PETRI_TRANSITIONS=457} [2024-11-28 04:30:59,735 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -44 predicate places. [2024-11-28 04:30:59,736 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 457 transitions, 1031 flow [2024-11-28 04:30:59,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 04:30:59,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:30:59,738 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] [2024-11-28 04:30:59,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:30:59,738 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:30:59,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:59,739 INFO L85 PathProgramCache]: Analyzing trace with hash -793221112, now seen corresponding path program 1 times [2024-11-28 04:30:59,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:59,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397026422] [2024-11-28 04:30:59,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:59,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:59,803 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 04:30:59,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:59,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397026422] [2024-11-28 04:30:59,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397026422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:59,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:59,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:30:59,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570455249] [2024-11-28 04:30:59,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:59,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:59,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:59,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:59,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:59,840 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 504 out of 533 [2024-11-28 04:30:59,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 457 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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 04:30:59,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:30:59,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 504 of 533 [2024-11-28 04:30:59,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:00,464 INFO L124 PetriNetUnfolderBase]: 176/3706 cut-off events. [2024-11-28 04:31:00,465 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-28 04:31:00,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4114 conditions, 3706 events. 176/3706 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 27703 event pairs, 18 based on Foata normal form. 0/3331 useless extension candidates. Maximal degree in co-relation 4068. Up to 91 conditions per place. [2024-11-28 04:31:00,497 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 9 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2024-11-28 04:31:00,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 457 transitions, 1054 flow [2024-11-28 04:31:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2024-11-28 04:31:00,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9530956848030019 [2024-11-28 04:31:00,501 INFO L175 Difference]: Start difference. First operand has 449 places, 457 transitions, 1031 flow. Second operand 3 states and 1524 transitions. [2024-11-28 04:31:00,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 457 transitions, 1054 flow [2024-11-28 04:31:00,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 457 transitions, 1054 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:31:00,510 INFO L231 Difference]: Finished difference. Result has 450 places, 456 transitions, 1033 flow [2024-11-28 04:31:00,510 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=450, PETRI_TRANSITIONS=456} [2024-11-28 04:31:00,511 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -43 predicate places. [2024-11-28 04:31:00,512 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 456 transitions, 1033 flow [2024-11-28 04:31:00,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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 04:31:00,513 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:00,513 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] [2024-11-28 04:31:00,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:31:00,514 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:00,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:00,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1792622015, now seen corresponding path program 1 times [2024-11-28 04:31:00,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:00,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188354460] [2024-11-28 04:31:00,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:00,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:00,645 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 04:31:00,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:00,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188354460] [2024-11-28 04:31:00,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188354460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:00,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:00,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:31:00,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952019191] [2024-11-28 04:31:00,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:00,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:31:00,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:00,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:31:00,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:31:00,881 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 533 [2024-11-28 04:31:00,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 456 transitions, 1033 flow. Second operand has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 04:31:00,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:00,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 533 [2024-11-28 04:31:00,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:01,325 INFO L124 PetriNetUnfolderBase]: 152/2619 cut-off events. [2024-11-28 04:31:01,326 INFO L125 PetriNetUnfolderBase]: For 148/149 co-relation queries the response was YES. [2024-11-28 04:31:01,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3045 conditions, 2619 events. 152/2619 cut-off events. For 148/149 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 16638 event pairs, 14 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 2997. Up to 111 conditions per place. [2024-11-28 04:31:01,348 INFO L140 encePairwiseOnDemand]: 524/533 looper letters, 18 selfloop transitions, 9 changer transitions 0/463 dead transitions. [2024-11-28 04:31:01,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 463 transitions, 1104 flow [2024-11-28 04:31:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:31:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:31:01,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2528 transitions. [2024-11-28 04:31:01,353 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.94859287054409 [2024-11-28 04:31:01,353 INFO L175 Difference]: Start difference. First operand has 450 places, 456 transitions, 1033 flow. Second operand 5 states and 2528 transitions. [2024-11-28 04:31:01,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 463 transitions, 1104 flow [2024-11-28 04:31:01,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 463 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:31:01,362 INFO L231 Difference]: Finished difference. Result has 455 places, 459 transitions, 1075 flow [2024-11-28 04:31:01,363 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1075, PETRI_PLACES=455, PETRI_TRANSITIONS=459} [2024-11-28 04:31:01,365 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -38 predicate places. [2024-11-28 04:31:01,365 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 459 transitions, 1075 flow [2024-11-28 04:31:01,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 04:31:01,367 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:01,367 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] [2024-11-28 04:31:01,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:31:01,367 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:01,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1066464995, now seen corresponding path program 1 times [2024-11-28 04:31:01,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:01,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49993823] [2024-11-28 04:31:01,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:01,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:01,808 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 04:31:01,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:01,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49993823] [2024-11-28 04:31:01,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49993823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:01,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:01,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:31:01,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276666504] [2024-11-28 04:31:01,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:01,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:31:01,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:01,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:31:01,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:31:02,395 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 533 [2024-11-28 04:31:02,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 459 transitions, 1075 flow. Second operand has 6 states, 6 states have (on average 458.6666666666667) internal successors, (2752), 6 states have internal predecessors, (2752), 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 04:31:02,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:02,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 533 [2024-11-28 04:31:02,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:02,831 INFO L124 PetriNetUnfolderBase]: 226/2195 cut-off events. [2024-11-28 04:31:02,831 INFO L125 PetriNetUnfolderBase]: For 305/306 co-relation queries the response was YES. [2024-11-28 04:31:02,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3050 conditions, 2195 events. 226/2195 cut-off events. For 305/306 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 13309 event pairs, 24 based on Foata normal form. 0/2037 useless extension candidates. Maximal degree in co-relation 2997. Up to 176 conditions per place. [2024-11-28 04:31:02,849 INFO L140 encePairwiseOnDemand]: 491/533 looper letters, 21 selfloop transitions, 39 changer transitions 0/456 dead transitions. [2024-11-28 04:31:02,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 456 transitions, 1193 flow [2024-11-28 04:31:02,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:31:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:31:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2805 transitions. [2024-11-28 04:31:02,855 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8771106941838649 [2024-11-28 04:31:02,855 INFO L175 Difference]: Start difference. First operand has 455 places, 459 transitions, 1075 flow. Second operand 6 states and 2805 transitions. [2024-11-28 04:31:02,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 456 transitions, 1193 flow [2024-11-28 04:31:02,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 456 transitions, 1193 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:31:02,863 INFO L231 Difference]: Finished difference. Result has 453 places, 452 transitions, 1139 flow [2024-11-28 04:31:02,864 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1139, PETRI_PLACES=453, PETRI_TRANSITIONS=452} [2024-11-28 04:31:02,865 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -40 predicate places. [2024-11-28 04:31:02,865 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 452 transitions, 1139 flow [2024-11-28 04:31:02,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 458.6666666666667) internal successors, (2752), 6 states have internal predecessors, (2752), 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 04:31:02,866 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:02,866 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] [2024-11-28 04:31:02,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:31:02,867 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:02,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:02,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1857961619, now seen corresponding path program 1 times [2024-11-28 04:31:02,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:02,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555087712] [2024-11-28 04:31:02,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:02,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:02,930 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 04:31:02,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:02,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555087712] [2024-11-28 04:31:02,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555087712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:02,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:02,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:02,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082228687] [2024-11-28 04:31:02,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:02,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:02,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:02,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:02,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:03,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-28 04:31:03,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 452 transitions, 1139 flow. Second operand has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 04:31:03,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:03,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-28 04:31:03,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:03,536 INFO L124 PetriNetUnfolderBase]: 198/2493 cut-off events. [2024-11-28 04:31:03,536 INFO L125 PetriNetUnfolderBase]: For 315/316 co-relation queries the response was YES. [2024-11-28 04:31:03,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 2493 events. 198/2493 cut-off events. For 315/316 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15813 event pairs, 92 based on Foata normal form. 0/2302 useless extension candidates. Maximal degree in co-relation 3388. Up to 332 conditions per place. [2024-11-28 04:31:03,553 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2024-11-28 04:31:03,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 452 transitions, 1210 flow [2024-11-28 04:31:03,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-28 04:31:03,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-28 04:31:03,557 INFO L175 Difference]: Start difference. First operand has 453 places, 452 transitions, 1139 flow. Second operand 3 states and 1476 transitions. [2024-11-28 04:31:03,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 452 transitions, 1210 flow [2024-11-28 04:31:03,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 452 transitions, 1132 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:31:03,566 INFO L231 Difference]: Finished difference. Result has 449 places, 451 transitions, 1063 flow [2024-11-28 04:31:03,567 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1059, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=449, PETRI_TRANSITIONS=451} [2024-11-28 04:31:03,567 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -44 predicate places. [2024-11-28 04:31:03,567 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 451 transitions, 1063 flow [2024-11-28 04:31:03,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 04:31:03,568 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:03,568 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] [2024-11-28 04:31:03,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:31:03,568 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err44ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:03,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:03,569 INFO L85 PathProgramCache]: Analyzing trace with hash -359952448, now seen corresponding path program 1 times [2024-11-28 04:31:03,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:03,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255671238] [2024-11-28 04:31:03,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:03,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:03,621 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 04:31:03,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:03,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255671238] [2024-11-28 04:31:03,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255671238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:03,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:03,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:03,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075558017] [2024-11-28 04:31:03,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:03,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:03,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:03,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:03,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:03,768 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-28 04:31:03,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 451 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 04:31:03,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:03,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-28 04:31:03,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:04,149 INFO L124 PetriNetUnfolderBase]: 193/2380 cut-off events. [2024-11-28 04:31:04,149 INFO L125 PetriNetUnfolderBase]: For 231/232 co-relation queries the response was YES. [2024-11-28 04:31:04,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3049 conditions, 2380 events. 193/2380 cut-off events. For 231/232 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14944 event pairs, 92 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 2997. Up to 329 conditions per place. [2024-11-28 04:31:04,173 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-28 04:31:04,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 1134 flow [2024-11-28 04:31:04,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-28 04:31:04,177 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-28 04:31:04,177 INFO L175 Difference]: Start difference. First operand has 449 places, 451 transitions, 1063 flow. Second operand 3 states and 1476 transitions. [2024-11-28 04:31:04,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 1134 flow [2024-11-28 04:31:04,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:31:04,186 INFO L231 Difference]: Finished difference. Result has 448 places, 450 transitions, 1061 flow [2024-11-28 04:31:04,187 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=448, PETRI_TRANSITIONS=450} [2024-11-28 04:31:04,187 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -45 predicate places. [2024-11-28 04:31:04,187 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 450 transitions, 1061 flow [2024-11-28 04:31:04,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 04:31:04,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:04,192 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] [2024-11-28 04:31:04,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:31:04,192 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:04,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:04,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1240816295, now seen corresponding path program 1 times [2024-11-28 04:31:04,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:04,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378720027] [2024-11-28 04:31:04,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:04,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:04,244 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 04:31:04,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:04,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378720027] [2024-11-28 04:31:04,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378720027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:04,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:04,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:04,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417637105] [2024-11-28 04:31:04,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:04,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:04,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:04,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:04,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:04,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-28 04:31:04,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 450 transitions, 1061 flow. Second operand has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 04:31:04,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:04,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-28 04:31:04,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:04,841 INFO L124 PetriNetUnfolderBase]: 194/2380 cut-off events. [2024-11-28 04:31:04,841 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-28 04:31:04,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3051 conditions, 2380 events. 194/2380 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14914 event pairs, 92 based on Foata normal form. 0/2200 useless extension candidates. Maximal degree in co-relation 2999. Up to 330 conditions per place. [2024-11-28 04:31:04,866 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2024-11-28 04:31:04,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 450 transitions, 1132 flow [2024-11-28 04:31:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-28 04:31:04,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-28 04:31:04,870 INFO L175 Difference]: Start difference. First operand has 448 places, 450 transitions, 1061 flow. Second operand 3 states and 1476 transitions. [2024-11-28 04:31:04,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 450 transitions, 1132 flow [2024-11-28 04:31:04,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 450 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:31:04,879 INFO L231 Difference]: Finished difference. Result has 447 places, 449 transitions, 1059 flow [2024-11-28 04:31:04,880 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1059, PETRI_PLACES=447, PETRI_TRANSITIONS=449} [2024-11-28 04:31:04,880 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2024-11-28 04:31:04,880 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 449 transitions, 1059 flow [2024-11-28 04:31:04,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 04:31:04,882 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:04,882 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] [2024-11-28 04:31:04,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:31:04,883 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err52ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:04,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:04,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996409, now seen corresponding path program 1 times [2024-11-28 04:31:04,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:04,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323005509] [2024-11-28 04:31:04,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:04,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:04,936 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 04:31:04,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:04,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323005509] [2024-11-28 04:31:04,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323005509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:04,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:04,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:04,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913784464] [2024-11-28 04:31:04,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:04,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:04,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:04,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:04,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:05,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-28 04:31:05,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 449 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 04:31:05,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:05,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-28 04:31:05,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:05,414 INFO L124 PetriNetUnfolderBase]: 190/2313 cut-off events. [2024-11-28 04:31:05,414 INFO L125 PetriNetUnfolderBase]: For 232/233 co-relation queries the response was YES. [2024-11-28 04:31:05,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2977 conditions, 2313 events. 190/2313 cut-off events. For 232/233 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14364 event pairs, 92 based on Foata normal form. 0/2139 useless extension candidates. Maximal degree in co-relation 2925. Up to 328 conditions per place. [2024-11-28 04:31:05,428 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 32 selfloop transitions, 2 changer transitions 1/449 dead transitions. [2024-11-28 04:31:05,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 449 transitions, 1130 flow [2024-11-28 04:31:05,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-28 04:31:05,431 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-28 04:31:05,431 INFO L175 Difference]: Start difference. First operand has 447 places, 449 transitions, 1059 flow. Second operand 3 states and 1476 transitions. [2024-11-28 04:31:05,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 449 transitions, 1130 flow [2024-11-28 04:31:05,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 449 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:31:05,439 INFO L231 Difference]: Finished difference. Result has 446 places, 448 transitions, 1057 flow [2024-11-28 04:31:05,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=446, PETRI_TRANSITIONS=448} [2024-11-28 04:31:05,440 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -47 predicate places. [2024-11-28 04:31:05,441 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 448 transitions, 1057 flow [2024-11-28 04:31:05,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 04:31:05,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:05,441 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] [2024-11-28 04:31:05,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:31:05,441 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:05,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1843390514, now seen corresponding path program 1 times [2024-11-28 04:31:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:05,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286624585] [2024-11-28 04:31:05,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:05,508 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 04:31:05,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:05,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286624585] [2024-11-28 04:31:05,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286624585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:05,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:05,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:05,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187511175] [2024-11-28 04:31:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:05,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:05,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:05,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:05,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:05,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-28 04:31:05,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 448 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 483.6666666666667) internal successors, (1451), 3 states have internal predecessors, (1451), 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 04:31:05,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:05,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-28 04:31:05,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:06,117 INFO L124 PetriNetUnfolderBase]: 197/2443 cut-off events. [2024-11-28 04:31:06,117 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-28 04:31:06,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3125 conditions, 2443 events. 197/2443 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 15308 event pairs, 92 based on Foata normal form. 0/2270 useless extension candidates. Maximal degree in co-relation 3073. Up to 332 conditions per place. [2024-11-28 04:31:06,141 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/448 dead transitions. [2024-11-28 04:31:06,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 448 transitions, 1128 flow [2024-11-28 04:31:06,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-28 04:31:06,144 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-28 04:31:06,144 INFO L175 Difference]: Start difference. First operand has 446 places, 448 transitions, 1057 flow. Second operand 3 states and 1476 transitions. [2024-11-28 04:31:06,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 448 transitions, 1128 flow [2024-11-28 04:31:06,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 448 transitions, 1124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:31:06,152 INFO L231 Difference]: Finished difference. Result has 445 places, 447 transitions, 1055 flow [2024-11-28 04:31:06,152 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1055, PETRI_PLACES=445, PETRI_TRANSITIONS=447} [2024-11-28 04:31:06,153 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -48 predicate places. [2024-11-28 04:31:06,153 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 447 transitions, 1055 flow [2024-11-28 04:31:06,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.6666666666667) internal successors, (1451), 3 states have internal predecessors, (1451), 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 04:31:06,153 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:06,155 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:06,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:31:06,155 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:06,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:06,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1432089559, now seen corresponding path program 1 times [2024-11-28 04:31:06,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:06,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827518802] [2024-11-28 04:31:06,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:06,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:06,230 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 04:31:06,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:06,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827518802] [2024-11-28 04:31:06,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827518802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:06,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:06,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:06,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125413445] [2024-11-28 04:31:06,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:06,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:06,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:06,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:06,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:06,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-28 04:31:06,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 447 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 484.6666666666667) internal successors, (1454), 3 states have internal predecessors, (1454), 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 04:31:06,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:06,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-28 04:31:06,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:06,772 INFO L124 PetriNetUnfolderBase]: 196/2404 cut-off events. [2024-11-28 04:31:06,772 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-28 04:31:06,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3087 conditions, 2404 events. 196/2404 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 15007 event pairs, 92 based on Foata normal form. 0/2237 useless extension candidates. Maximal degree in co-relation 3035. Up to 332 conditions per place. [2024-11-28 04:31:06,796 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/447 dead transitions. [2024-11-28 04:31:06,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 447 transitions, 1126 flow [2024-11-28 04:31:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-28 04:31:06,799 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-28 04:31:06,799 INFO L175 Difference]: Start difference. First operand has 445 places, 447 transitions, 1055 flow. Second operand 3 states and 1476 transitions. [2024-11-28 04:31:06,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 447 transitions, 1126 flow [2024-11-28 04:31:06,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 447 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:31:06,807 INFO L231 Difference]: Finished difference. Result has 444 places, 446 transitions, 1053 flow [2024-11-28 04:31:06,808 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1049, 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=1053, PETRI_PLACES=444, PETRI_TRANSITIONS=446} [2024-11-28 04:31:06,808 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -49 predicate places. [2024-11-28 04:31:06,808 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 446 transitions, 1053 flow [2024-11-28 04:31:06,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 484.6666666666667) internal successors, (1454), 3 states have internal predecessors, (1454), 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 04:31:06,809 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:31:06,810 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] [2024-11-28 04:31:06,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:31:06,810 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-28 04:31:06,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:06,812 INFO L85 PathProgramCache]: Analyzing trace with hash -675327424, now seen corresponding path program 1 times [2024-11-28 04:31:06,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:06,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669236718] [2024-11-28 04:31:06,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:06,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:06,918 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 04:31:06,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:06,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669236718] [2024-11-28 04:31:06,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669236718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:06,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:06,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:06,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737621677] [2024-11-28 04:31:06,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:06,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:06,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:06,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:06,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:07,060 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-28 04:31:07,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 446 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 485.6666666666667) internal successors, (1457), 3 states have internal predecessors, (1457), 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 04:31:07,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:31:07,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-28 04:31:07,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:31:07,416 INFO L124 PetriNetUnfolderBase]: 195/2365 cut-off events. [2024-11-28 04:31:07,416 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-28 04:31:07,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 2365 events. 195/2365 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 14628 event pairs, 92 based on Foata normal form. 0/2204 useless extension candidates. Maximal degree in co-relation 2996. Up to 332 conditions per place. [2024-11-28 04:31:07,434 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 0 selfloop transitions, 0 changer transitions 446/446 dead transitions. [2024-11-28 04:31:07,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 446 transitions, 1124 flow [2024-11-28 04:31:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:31:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-28 04:31:07,437 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-28 04:31:07,437 INFO L175 Difference]: Start difference. First operand has 444 places, 446 transitions, 1053 flow. Second operand 3 states and 1476 transitions. [2024-11-28 04:31:07,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 446 transitions, 1124 flow [2024-11-28 04:31:07,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 446 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:31:07,443 INFO L231 Difference]: Finished difference. Result has 443 places, 0 transitions, 0 flow [2024-11-28 04:31:07,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=443, PETRI_TRANSITIONS=0} [2024-11-28 04:31:07,444 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -50 predicate places. [2024-11-28 04:31:07,444 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 0 transitions, 0 flow [2024-11-28 04:31:07,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 485.6666666666667) internal successors, (1457), 3 states have internal predecessors, (1457), 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 04:31:07,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (131 of 132 remaining) [2024-11-28 04:31:07,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (130 of 132 remaining) [2024-11-28 04:31:07,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (129 of 132 remaining) [2024-11-28 04:31:07,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (128 of 132 remaining) [2024-11-28 04:31:07,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (127 of 132 remaining) [2024-11-28 04:31:07,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (126 of 132 remaining) [2024-11-28 04:31:07,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (125 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (124 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (123 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (122 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (121 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (120 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (119 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (118 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (117 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (116 of 132 remaining) [2024-11-28 04:31:07,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (115 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (114 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (113 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (112 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (111 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (110 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (109 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (108 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (107 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (106 of 132 remaining) [2024-11-28 04:31:07,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (105 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (104 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (103 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (102 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (101 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (100 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (99 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (98 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (97 of 132 remaining) [2024-11-28 04:31:07,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (96 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (95 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (94 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (93 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (92 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (91 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (90 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (89 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (88 of 132 remaining) [2024-11-28 04:31:07,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (87 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (86 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (85 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (84 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (83 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (82 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (81 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (80 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (79 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (78 of 132 remaining) [2024-11-28 04:31:07,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (77 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (76 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (75 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (74 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (73 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (72 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (71 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 132 remaining) [2024-11-28 04:31:07,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (66 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (65 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (63 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 132 remaining) [2024-11-28 04:31:07,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (51 of 132 remaining) [2024-11-28 04:31:07,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (49 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (48 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (47 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (46 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (45 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (44 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (42 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (41 of 132 remaining) [2024-11-28 04:31:07,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (40 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (39 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (38 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (36 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (35 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (33 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (32 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (31 of 132 remaining) [2024-11-28 04:31:07,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (30 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (28 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (27 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (26 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (25 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (24 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (23 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (22 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (21 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 132 remaining) [2024-11-28 04:31:07,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 132 remaining) [2024-11-28 04:31:07,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 132 remaining) [2024-11-28 04:31:07,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:31:07,463 INFO L422 BasicCegarLoop]: Path program histogram: [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 04:31:07,473 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:31:07,473 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:31:07,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:31:07 BasicIcfg [2024-11-28 04:31:07,483 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:31:07,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:31:07,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:31:07,484 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:31:07,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:50" (3/4) ... [2024-11-28 04:31:07,487 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:31:07,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:31:07,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:31:07,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 04:31:07,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:31:07,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:31:07,498 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:31:07,600 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:31:07,601 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:31:07,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:31:07,602 INFO L158 Benchmark]: Toolchain (without parser) took 19215.04ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 119.2MB in the beginning and 414.7MB in the end (delta: -295.5MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. [2024-11-28 04:31:07,603 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:07,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.99ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 105.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:07,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.62ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 102.6MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:07,605 INFO L158 Benchmark]: Boogie Preprocessor took 81.34ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:07,606 INFO L158 Benchmark]: RCFGBuilder took 1172.91ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 63.5MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:31:07,606 INFO L158 Benchmark]: TraceAbstraction took 17362.33ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 62.8MB in the beginning and 423.2MB in the end (delta: -360.4MB). Peak memory consumption was 306.8MB. Max. memory is 16.1GB. [2024-11-28 04:31:07,607 INFO L158 Benchmark]: Witness Printer took 117.30ms. Allocated memory is still 587.2MB. Free memory was 423.2MB in the beginning and 414.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:07,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.99ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 105.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.62ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 102.6MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.34ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1172.91ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 63.5MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17362.33ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 62.8MB in the beginning and 423.2MB in the end (delta: -360.4MB). Peak memory consumption was 306.8MB. Max. memory is 16.1GB. * Witness Printer took 117.30ms. Allocated memory is still 587.2MB. Free memory was 423.2MB in the beginning and 414.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 881 locations, 132 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 17.0s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3150 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1196 mSDsluCounter, 549 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 398 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3374 IncrementalHoareTripleChecker+Invalid, 3772 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 398 mSolverCounterUnsat, 444 mSDtfsCounter, 3374 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1139occurred in iteration=15, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2225 NumberOfCodeBlocks, 2225 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2203 ConstructedInterpolants, 0 QuantifiedInterpolants, 3062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:31:07,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb10eeb-0b40-4afa-886b-bfa4b7b7862f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE