./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.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_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/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_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/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_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/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 bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:56:34,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:56:34,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:56:34,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:56:34,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:56:34,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:56:34,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:56:34,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:56:34,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:56:34,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:56:34,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:56:34,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:56:34,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:56:34,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:56:34,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:56:34,523 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:56:34,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:56:34,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:56:34,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:56:34,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:56:34,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:56:34,525 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:56:34,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:34,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:34,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:34,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:56:34,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:34,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:34,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:34,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:56:34,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:56:34,526 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:56:34,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:56:34,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:56:34,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:56:34,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:56:34,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:56:34,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:56:34,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:56:34,527 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_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/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 -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 [2024-11-28 02:56:34,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:56:34,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:56:34,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:56:34,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:56:34,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:56:34,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-11-28 02:56:37,845 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/data/b1bf4e868/b2a7d11467e248b9b7bbfaf1092fd6d7/FLAGe057a58e7 [2024-11-28 02:56:38,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:56:38,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-11-28 02:56:38,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/data/b1bf4e868/b2a7d11467e248b9b7bbfaf1092fd6d7/FLAGe057a58e7 [2024-11-28 02:56:38,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/data/b1bf4e868/b2a7d11467e248b9b7bbfaf1092fd6d7 [2024-11-28 02:56:38,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:56:38,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:56:38,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:38,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:56:38,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:56:38,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8b1af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38, skipping insertion in model container [2024-11-28 02:56:38,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:56:38,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:38,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:56:38,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:38,701 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:56:38,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38 WrapperNode [2024-11-28 02:56:38,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:38,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:38,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:56:38,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:56:38,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,765 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 204 [2024-11-28 02:56:38,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:38,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:56:38,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:56:38,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:56:38,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,801 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:56:38,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:56:38,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:56:38,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:56:38,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (1/1) ... [2024-11-28 02:56:38,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:38,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:56:38,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:56:38,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:56:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:56:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:56:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:56:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:56:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:56:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:56:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:56:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:56:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:56:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:56:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:56:38,907 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 02:56:39,075 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:56:39,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:56:39,634 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:56:39,635 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:56:39,661 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:56:39,661 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 02:56:39,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:39 BoogieIcfgContainer [2024-11-28 02:56:39,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:56:39,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:56:39,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:56:39,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:56:39,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:38" (1/3) ... [2024-11-28 02:56:39,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cda902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:39, skipping insertion in model container [2024-11-28 02:56:39,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:38" (2/3) ... [2024-11-28 02:56:39,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cda902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:39, skipping insertion in model container [2024-11-28 02:56:39,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:39" (3/3) ... [2024-11-28 02:56:39,672 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2024-11-28 02:56:39,691 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:56:39,693 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-channel-sum.wvr.c that has 3 procedures, 239 locations, 1 initial locations, 3 loop locations, and 18 error locations. [2024-11-28 02:56:39,693 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:56:39,837 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:56:39,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 255 transitions, 524 flow [2024-11-28 02:56:40,036 INFO L124 PetriNetUnfolderBase]: 17/253 cut-off events. [2024-11-28 02:56:40,038 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:56:40,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 253 events. 17/253 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 529 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 151. Up to 2 conditions per place. [2024-11-28 02:56:40,045 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 255 transitions, 524 flow [2024-11-28 02:56:40,051 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 225 places, 233 transitions, 478 flow [2024-11-28 02:56:40,059 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:56:40,074 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;@4f835303, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:56:40,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-28 02:56:40,090 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:56:40,092 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-28 02:56:40,092 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:56:40,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:40,093 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] [2024-11-28 02:56:40,093 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:40,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:40,101 INFO L85 PathProgramCache]: Analyzing trace with hash 517004791, now seen corresponding path program 1 times [2024-11-28 02:56:40,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:40,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13478289] [2024-11-28 02:56:40,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:40,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:40,280 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 02:56:40,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:40,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13478289] [2024-11-28 02:56:40,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13478289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:40,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:40,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:40,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929267247] [2024-11-28 02:56:40,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:40,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:40,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:40,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:40,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:40,390 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-28 02:56:40,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 233 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 02:56:40,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:40,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-28 02:56:40,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:40,596 INFO L124 PetriNetUnfolderBase]: 24/428 cut-off events. [2024-11-28 02:56:40,597 INFO L125 PetriNetUnfolderBase]: For 21/23 co-relation queries the response was YES. [2024-11-28 02:56:40,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 428 events. 24/428 cut-off events. For 21/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1543 event pairs, 11 based on Foata normal form. 26/386 useless extension candidates. Maximal degree in co-relation 358. Up to 40 conditions per place. [2024-11-28 02:56:40,606 INFO L140 encePairwiseOnDemand]: 243/255 looper letters, 13 selfloop transitions, 2 changer transitions 2/223 dead transitions. [2024-11-28 02:56:40,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 223 transitions, 488 flow [2024-11-28 02:56:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2024-11-28 02:56:40,628 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9228758169934641 [2024-11-28 02:56:40,629 INFO L175 Difference]: Start difference. First operand has 225 places, 233 transitions, 478 flow. Second operand 3 states and 706 transitions. [2024-11-28 02:56:40,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 223 transitions, 488 flow [2024-11-28 02:56:40,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 223 transitions, 480 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:56:40,644 INFO L231 Difference]: Finished difference. Result has 222 places, 221 transitions, 450 flow [2024-11-28 02:56:40,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=222, PETRI_TRANSITIONS=221} [2024-11-28 02:56:40,653 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -3 predicate places. [2024-11-28 02:56:40,653 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 221 transitions, 450 flow [2024-11-28 02:56:40,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 02:56:40,654 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:40,654 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:40,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:56:40,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:40,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:40,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1874435733, now seen corresponding path program 1 times [2024-11-28 02:56:40,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:40,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335328209] [2024-11-28 02:56:40,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:40,753 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 02:56:40,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:40,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335328209] [2024-11-28 02:56:40,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335328209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:40,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:40,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:40,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209940695] [2024-11-28 02:56:40,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:40,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:40,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:40,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:40,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:40,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-28 02:56:40,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 02:56:40,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:40,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-28 02:56:40,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:40,927 INFO L124 PetriNetUnfolderBase]: 39/577 cut-off events. [2024-11-28 02:56:40,927 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2024-11-28 02:56:40,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 577 events. 39/577 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2806 event pairs, 19 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 615. Up to 62 conditions per place. [2024-11-28 02:56:40,933 INFO L140 encePairwiseOnDemand]: 251/255 looper letters, 13 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2024-11-28 02:56:40,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 218 transitions, 472 flow [2024-11-28 02:56:40,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:40,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions. [2024-11-28 02:56:40,936 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9124183006535947 [2024-11-28 02:56:40,936 INFO L175 Difference]: Start difference. First operand has 222 places, 221 transitions, 450 flow. Second operand 3 states and 698 transitions. [2024-11-28 02:56:40,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 218 transitions, 472 flow [2024-11-28 02:56:40,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 218 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:56:40,944 INFO L231 Difference]: Finished difference. Result has 217 places, 218 transitions, 442 flow [2024-11-28 02:56:40,945 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=217, PETRI_TRANSITIONS=218} [2024-11-28 02:56:40,946 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -8 predicate places. [2024-11-28 02:56:40,947 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 218 transitions, 442 flow [2024-11-28 02:56:40,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 02:56:40,947 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:40,947 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] [2024-11-28 02:56:40,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:56:40,948 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:40,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:40,950 INFO L85 PathProgramCache]: Analyzing trace with hash -146318743, now seen corresponding path program 1 times [2024-11-28 02:56:40,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:40,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549733822] [2024-11-28 02:56:40,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:41,090 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 02:56:41,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:41,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549733822] [2024-11-28 02:56:41,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549733822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:41,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:41,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:41,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049437939] [2024-11-28 02:56:41,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:41,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:41,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:41,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:41,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:41,159 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-28 02:56:41,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 218 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 02:56:41,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:41,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-28 02:56:41,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:41,249 INFO L124 PetriNetUnfolderBase]: 26/375 cut-off events. [2024-11-28 02:56:41,249 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-28 02:56:41,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 375 events. 26/375 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1334 event pairs, 14 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 391. Up to 42 conditions per place. [2024-11-28 02:56:41,252 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-28 02:56:41,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 217 transitions, 470 flow [2024-11-28 02:56:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2024-11-28 02:56:41,258 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2024-11-28 02:56:41,258 INFO L175 Difference]: Start difference. First operand has 217 places, 218 transitions, 442 flow. Second operand 3 states and 697 transitions. [2024-11-28 02:56:41,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 217 transitions, 470 flow [2024-11-28 02:56:41,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 217 transitions, 469 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:56:41,264 INFO L231 Difference]: Finished difference. Result has 217 places, 217 transitions, 443 flow [2024-11-28 02:56:41,265 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=443, PETRI_PLACES=217, PETRI_TRANSITIONS=217} [2024-11-28 02:56:41,266 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -8 predicate places. [2024-11-28 02:56:41,267 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 217 transitions, 443 flow [2024-11-28 02:56:41,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 02:56:41,268 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:41,268 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] [2024-11-28 02:56:41,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:56:41,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:41,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1301748550, now seen corresponding path program 1 times [2024-11-28 02:56:41,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:41,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195805646] [2024-11-28 02:56:41,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:42,161 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 02:56:42,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:42,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195805646] [2024-11-28 02:56:42,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195805646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:42,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:42,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:56:42,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643398366] [2024-11-28 02:56:42,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:42,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:56:42,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:42,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:56:42,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:56:42,395 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 255 [2024-11-28 02:56:42,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 217 transitions, 443 flow. Second operand has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 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 02:56:42,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:42,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 255 [2024-11-28 02:56:42,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:42,635 INFO L124 PetriNetUnfolderBase]: 120/845 cut-off events. [2024-11-28 02:56:42,635 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2024-11-28 02:56:42,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 845 events. 120/845 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4448 event pairs, 65 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 1019. Up to 191 conditions per place. [2024-11-28 02:56:42,642 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 27 selfloop transitions, 5 changer transitions 0/216 dead transitions. [2024-11-28 02:56:42,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 216 transitions, 505 flow [2024-11-28 02:56:42,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:56:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:56:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1299 transitions. [2024-11-28 02:56:42,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8490196078431372 [2024-11-28 02:56:42,650 INFO L175 Difference]: Start difference. First operand has 217 places, 217 transitions, 443 flow. Second operand 6 states and 1299 transitions. [2024-11-28 02:56:42,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 216 transitions, 505 flow [2024-11-28 02:56:42,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 216 transitions, 501 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:56:42,654 INFO L231 Difference]: Finished difference. Result has 219 places, 216 transitions, 447 flow [2024-11-28 02:56:42,655 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=447, PETRI_PLACES=219, PETRI_TRANSITIONS=216} [2024-11-28 02:56:42,657 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -6 predicate places. [2024-11-28 02:56:42,657 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 216 transitions, 447 flow [2024-11-28 02:56:42,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 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 02:56:42,658 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:42,659 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 02:56:42,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:56:42,660 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:42,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:42,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1548816925, now seen corresponding path program 1 times [2024-11-28 02:56:42,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:42,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629440067] [2024-11-28 02:56:42,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:42,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:42,781 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 02:56:42,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:42,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629440067] [2024-11-28 02:56:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629440067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:42,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:42,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:42,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293646116] [2024-11-28 02:56:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:42,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:42,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:42,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:42,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:42,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 255 [2024-11-28 02:56:42,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 216 transitions, 447 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 02:56:42,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:42,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 255 [2024-11-28 02:56:42,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:42,947 INFO L124 PetriNetUnfolderBase]: 32/493 cut-off events. [2024-11-28 02:56:42,948 INFO L125 PetriNetUnfolderBase]: For 8/13 co-relation queries the response was YES. [2024-11-28 02:56:42,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 493 events. 32/493 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1746 event pairs, 1 based on Foata normal form. 1/420 useless extension candidates. Maximal degree in co-relation 534. Up to 33 conditions per place. [2024-11-28 02:56:42,963 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 14 selfloop transitions, 4 changer transitions 0/221 dead transitions. [2024-11-28 02:56:42,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 221 transitions, 495 flow [2024-11-28 02:56:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2024-11-28 02:56:42,967 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.930718954248366 [2024-11-28 02:56:42,968 INFO L175 Difference]: Start difference. First operand has 219 places, 216 transitions, 447 flow. Second operand 3 states and 712 transitions. [2024-11-28 02:56:42,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 221 transitions, 495 flow [2024-11-28 02:56:42,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 221 transitions, 485 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:56:42,973 INFO L231 Difference]: Finished difference. Result has 218 places, 219 transitions, 467 flow [2024-11-28 02:56:42,973 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=218, PETRI_TRANSITIONS=219} [2024-11-28 02:56:42,974 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -7 predicate places. [2024-11-28 02:56:42,975 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 219 transitions, 467 flow [2024-11-28 02:56:42,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 02:56:42,976 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:42,976 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] [2024-11-28 02:56:42,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:56:42,977 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:42,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:42,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1029427393, now seen corresponding path program 1 times [2024-11-28 02:56:42,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:42,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801908047] [2024-11-28 02:56:42,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:42,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:43,071 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 02:56:43,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:43,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801908047] [2024-11-28 02:56:43,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801908047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:43,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:43,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:43,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325102859] [2024-11-28 02:56:43,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:43,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:43,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:43,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:43,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:43,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-28 02:56:43,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 219 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 02:56:43,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:43,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-28 02:56:43,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:43,196 INFO L124 PetriNetUnfolderBase]: 35/426 cut-off events. [2024-11-28 02:56:43,196 INFO L125 PetriNetUnfolderBase]: For 57/78 co-relation queries the response was YES. [2024-11-28 02:56:43,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 426 events. 35/426 cut-off events. For 57/78 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1278 event pairs, 2 based on Foata normal form. 4/371 useless extension candidates. Maximal degree in co-relation 497. Up to 37 conditions per place. [2024-11-28 02:56:43,200 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 11 selfloop transitions, 2 changer transitions 6/218 dead transitions. [2024-11-28 02:56:43,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 218 transitions, 503 flow [2024-11-28 02:56:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2024-11-28 02:56:43,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9137254901960784 [2024-11-28 02:56:43,204 INFO L175 Difference]: Start difference. First operand has 218 places, 219 transitions, 467 flow. Second operand 3 states and 699 transitions. [2024-11-28 02:56:43,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 218 transitions, 503 flow [2024-11-28 02:56:43,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 495 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:56:43,210 INFO L231 Difference]: Finished difference. Result has 215 places, 210 transitions, 444 flow [2024-11-28 02:56:43,210 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=215, PETRI_TRANSITIONS=210} [2024-11-28 02:56:43,213 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -10 predicate places. [2024-11-28 02:56:43,213 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 210 transitions, 444 flow [2024-11-28 02:56:43,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 02:56:43,214 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:43,214 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] [2024-11-28 02:56:43,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:56:43,215 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:43,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:43,216 INFO L85 PathProgramCache]: Analyzing trace with hash -68326616, now seen corresponding path program 1 times [2024-11-28 02:56:43,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:43,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031568413] [2024-11-28 02:56:43,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:43,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:43,308 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 02:56:43,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:43,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031568413] [2024-11-28 02:56:43,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031568413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:43,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:43,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:43,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607920098] [2024-11-28 02:56:43,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:43,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:43,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:43,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:43,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:43,340 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-28 02:56:43,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 210 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 02:56:43,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:43,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-28 02:56:43,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:43,467 INFO L124 PetriNetUnfolderBase]: 74/722 cut-off events. [2024-11-28 02:56:43,467 INFO L125 PetriNetUnfolderBase]: For 47/55 co-relation queries the response was YES. [2024-11-28 02:56:43,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 722 events. 74/722 cut-off events. For 47/55 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3051 event pairs, 12 based on Foata normal form. 0/625 useless extension candidates. Maximal degree in co-relation 855. Up to 102 conditions per place. [2024-11-28 02:56:43,471 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 16 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-11-28 02:56:43,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 210 transitions, 481 flow [2024-11-28 02:56:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2024-11-28 02:56:43,497 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9150326797385621 [2024-11-28 02:56:43,497 INFO L175 Difference]: Start difference. First operand has 215 places, 210 transitions, 444 flow. Second operand 3 states and 700 transitions. [2024-11-28 02:56:43,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 210 transitions, 481 flow [2024-11-28 02:56:43,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 210 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:56:43,503 INFO L231 Difference]: Finished difference. Result has 207 places, 209 transitions, 448 flow [2024-11-28 02:56:43,503 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=207, PETRI_TRANSITIONS=209} [2024-11-28 02:56:43,505 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -18 predicate places. [2024-11-28 02:56:43,505 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 209 transitions, 448 flow [2024-11-28 02:56:43,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 02:56:43,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:43,506 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] [2024-11-28 02:56:43,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:56:43,506 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:43,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:43,507 INFO L85 PathProgramCache]: Analyzing trace with hash -236036624, now seen corresponding path program 1 times [2024-11-28 02:56:43,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:43,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817108544] [2024-11-28 02:56:43,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:43,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:43,644 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 02:56:43,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:43,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817108544] [2024-11-28 02:56:43,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817108544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:43,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:43,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:56:43,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080637120] [2024-11-28 02:56:43,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:43,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:43,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:43,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:43,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:43,653 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 255 [2024-11-28 02:56:43,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 209 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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 02:56:43,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:43,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 255 [2024-11-28 02:56:43,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:43,747 INFO L124 PetriNetUnfolderBase]: 43/585 cut-off events. [2024-11-28 02:56:43,747 INFO L125 PetriNetUnfolderBase]: For 29/33 co-relation queries the response was YES. [2024-11-28 02:56:43,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 585 events. 43/585 cut-off events. For 29/33 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2150 event pairs, 7 based on Foata normal form. 2/521 useless extension candidates. Maximal degree in co-relation 652. Up to 45 conditions per place. [2024-11-28 02:56:43,750 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-28 02:56:43,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 212 transitions, 484 flow [2024-11-28 02:56:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:43,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2024-11-28 02:56:43,752 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9359477124183007 [2024-11-28 02:56:43,752 INFO L175 Difference]: Start difference. First operand has 207 places, 209 transitions, 448 flow. Second operand 3 states and 716 transitions. [2024-11-28 02:56:43,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 212 transitions, 484 flow [2024-11-28 02:56:43,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 212 transitions, 482 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-28 02:56:43,757 INFO L231 Difference]: Finished difference. Result has 210 places, 209 transitions, 453 flow [2024-11-28 02:56:43,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=210, PETRI_TRANSITIONS=209} [2024-11-28 02:56:43,760 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -15 predicate places. [2024-11-28 02:56:43,761 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 209 transitions, 453 flow [2024-11-28 02:56:43,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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 02:56:43,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:43,764 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] [2024-11-28 02:56:43,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:56:43,764 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:43,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:43,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1975983315, now seen corresponding path program 1 times [2024-11-28 02:56:43,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:43,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505473325] [2024-11-28 02:56:43,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:43,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:44,361 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 02:56:44,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:44,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505473325] [2024-11-28 02:56:44,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505473325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:44,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:44,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:56:44,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552610439] [2024-11-28 02:56:44,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:44,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:56:44,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:44,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:56:44,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:56:44,600 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 255 [2024-11-28 02:56:44,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 209 transitions, 453 flow. Second operand has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 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 02:56:44,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:44,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 255 [2024-11-28 02:56:44,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:44,781 INFO L124 PetriNetUnfolderBase]: 93/681 cut-off events. [2024-11-28 02:56:44,781 INFO L125 PetriNetUnfolderBase]: For 65/73 co-relation queries the response was YES. [2024-11-28 02:56:44,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 903 conditions, 681 events. 93/681 cut-off events. For 65/73 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2775 event pairs, 5 based on Foata normal form. 6/609 useless extension candidates. Maximal degree in co-relation 862. Up to 46 conditions per place. [2024-11-28 02:56:44,787 INFO L140 encePairwiseOnDemand]: 243/255 looper letters, 18 selfloop transitions, 11 changer transitions 5/215 dead transitions. [2024-11-28 02:56:44,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 215 transitions, 537 flow [2024-11-28 02:56:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:56:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:56:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1336 transitions. [2024-11-28 02:56:44,792 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.873202614379085 [2024-11-28 02:56:44,792 INFO L175 Difference]: Start difference. First operand has 210 places, 209 transitions, 453 flow. Second operand 6 states and 1336 transitions. [2024-11-28 02:56:44,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 215 transitions, 537 flow [2024-11-28 02:56:44,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 215 transitions, 535 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:56:44,798 INFO L231 Difference]: Finished difference. Result has 212 places, 206 transitions, 465 flow [2024-11-28 02:56:44,799 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=212, PETRI_TRANSITIONS=206} [2024-11-28 02:56:44,800 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -13 predicate places. [2024-11-28 02:56:44,801 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 206 transitions, 465 flow [2024-11-28 02:56:44,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 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 02:56:44,802 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:44,802 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] [2024-11-28 02:56:44,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:56:44,802 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:44,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:44,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1641821804, now seen corresponding path program 1 times [2024-11-28 02:56:44,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:44,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691942168] [2024-11-28 02:56:44,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:45,540 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 02:56:45,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:45,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691942168] [2024-11-28 02:56:45,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691942168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:45,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:45,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:56:45,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270748792] [2024-11-28 02:56:45,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:45,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:56:45,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:45,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:56:45,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:56:45,852 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 255 [2024-11-28 02:56:45,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 206 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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 02:56:45,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:45,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 255 [2024-11-28 02:56:45,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:46,000 INFO L124 PetriNetUnfolderBase]: 50/561 cut-off events. [2024-11-28 02:56:46,000 INFO L125 PetriNetUnfolderBase]: For 112/135 co-relation queries the response was YES. [2024-11-28 02:56:46,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 561 events. 50/561 cut-off events. For 112/135 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1897 event pairs, 5 based on Foata normal form. 4/506 useless extension candidates. Maximal degree in co-relation 736. Up to 42 conditions per place. [2024-11-28 02:56:46,004 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 23 selfloop transitions, 5 changer transitions 0/213 dead transitions. [2024-11-28 02:56:46,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 213 transitions, 567 flow [2024-11-28 02:56:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:56:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:56:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1366 transitions. [2024-11-28 02:56:46,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928104575163399 [2024-11-28 02:56:46,008 INFO L175 Difference]: Start difference. First operand has 212 places, 206 transitions, 465 flow. Second operand 6 states and 1366 transitions. [2024-11-28 02:56:46,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 213 transitions, 567 flow [2024-11-28 02:56:46,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 213 transitions, 529 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:56:46,015 INFO L231 Difference]: Finished difference. Result has 211 places, 205 transitions, 451 flow [2024-11-28 02:56:46,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=451, PETRI_PLACES=211, PETRI_TRANSITIONS=205} [2024-11-28 02:56:46,018 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -14 predicate places. [2024-11-28 02:56:46,018 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 205 transitions, 451 flow [2024-11-28 02:56:46,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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 02:56:46,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:46,020 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] [2024-11-28 02:56:46,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:56:46,020 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:46,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:46,021 INFO L85 PathProgramCache]: Analyzing trace with hash 334757551, now seen corresponding path program 1 times [2024-11-28 02:56:46,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:46,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017675099] [2024-11-28 02:56:46,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:46,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:46,097 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 02:56:46,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:46,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017675099] [2024-11-28 02:56:46,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017675099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:46,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:46,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:46,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501979473] [2024-11-28 02:56:46,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:46,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:46,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:46,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:46,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:46,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 255 [2024-11-28 02:56:46,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 205 transitions, 451 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 02:56:46,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:46,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 255 [2024-11-28 02:56:46,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:46,200 INFO L124 PetriNetUnfolderBase]: 36/430 cut-off events. [2024-11-28 02:56:46,200 INFO L125 PetriNetUnfolderBase]: For 32/55 co-relation queries the response was YES. [2024-11-28 02:56:46,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 430 events. 36/430 cut-off events. For 32/55 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1416 event pairs, 13 based on Foata normal form. 1/381 useless extension candidates. Maximal degree in co-relation 518. Up to 43 conditions per place. [2024-11-28 02:56:46,203 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 12 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-28 02:56:46,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 206 transitions, 485 flow [2024-11-28 02:56:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2024-11-28 02:56:46,205 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9241830065359478 [2024-11-28 02:56:46,205 INFO L175 Difference]: Start difference. First operand has 211 places, 205 transitions, 451 flow. Second operand 3 states and 707 transitions. [2024-11-28 02:56:46,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 206 transitions, 485 flow [2024-11-28 02:56:46,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 206 transitions, 475 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:56:46,221 INFO L231 Difference]: Finished difference. Result has 207 places, 204 transitions, 443 flow [2024-11-28 02:56:46,222 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=443, PETRI_PLACES=207, PETRI_TRANSITIONS=204} [2024-11-28 02:56:46,222 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -18 predicate places. [2024-11-28 02:56:46,222 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 204 transitions, 443 flow [2024-11-28 02:56:46,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 02:56:46,223 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:46,223 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] [2024-11-28 02:56:46,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:56:46,223 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:46,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:46,224 INFO L85 PathProgramCache]: Analyzing trace with hash -538547605, now seen corresponding path program 1 times [2024-11-28 02:56:46,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:46,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225046037] [2024-11-28 02:56:46,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:46,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:46,303 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 02:56:46,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:46,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225046037] [2024-11-28 02:56:46,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225046037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:46,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:46,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:46,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120250134] [2024-11-28 02:56:46,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:46,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:46,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:46,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:46,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:46,315 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-28 02:56:46,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 443 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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 02:56:46,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:46,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-28 02:56:46,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:46,425 INFO L124 PetriNetUnfolderBase]: 42/635 cut-off events. [2024-11-28 02:56:46,425 INFO L125 PetriNetUnfolderBase]: For 47/64 co-relation queries the response was YES. [2024-11-28 02:56:46,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 635 events. 42/635 cut-off events. For 47/64 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2352 event pairs, 11 based on Foata normal form. 1/577 useless extension candidates. Maximal degree in co-relation 733. Up to 36 conditions per place. [2024-11-28 02:56:46,428 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 12 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2024-11-28 02:56:46,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 208 transitions, 490 flow [2024-11-28 02:56:46,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-28 02:56:46,430 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9320261437908497 [2024-11-28 02:56:46,431 INFO L175 Difference]: Start difference. First operand has 207 places, 204 transitions, 443 flow. Second operand 3 states and 713 transitions. [2024-11-28 02:56:46,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 208 transitions, 490 flow [2024-11-28 02:56:46,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 208 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:56:46,435 INFO L231 Difference]: Finished difference. Result has 207 places, 204 transitions, 447 flow [2024-11-28 02:56:46,435 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=447, PETRI_PLACES=207, PETRI_TRANSITIONS=204} [2024-11-28 02:56:46,436 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -18 predicate places. [2024-11-28 02:56:46,436 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 204 transitions, 447 flow [2024-11-28 02:56:46,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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 02:56:46,437 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:56:46,437 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] [2024-11-28 02:56:46,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:56:46,437 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 02:56:46,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:46,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1505568494, now seen corresponding path program 1 times [2024-11-28 02:56:46,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:46,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765971042] [2024-11-28 02:56:46,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:46,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:46,525 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 02:56:46,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:46,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765971042] [2024-11-28 02:56:46,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765971042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:56:46,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:56:46,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:56:46,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106899434] [2024-11-28 02:56:46,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:56:46,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:56:46,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:56:46,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:56:46,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:56:46,553 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 255 [2024-11-28 02:56:46,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 447 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 02:56:46,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:56:46,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 255 [2024-11-28 02:56:46,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:56:46,674 INFO L124 PetriNetUnfolderBase]: 46/636 cut-off events. [2024-11-28 02:56:46,674 INFO L125 PetriNetUnfolderBase]: For 48/59 co-relation queries the response was YES. [2024-11-28 02:56:46,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 787 conditions, 636 events. 46/636 cut-off events. For 48/59 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2515 event pairs, 17 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 748. Up to 56 conditions per place. [2024-11-28 02:56:46,676 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 0 selfloop transitions, 0 changer transitions 205/205 dead transitions. [2024-11-28 02:56:46,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 205 transitions, 481 flow [2024-11-28 02:56:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:56:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:56:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-28 02:56:46,678 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163398692810457 [2024-11-28 02:56:46,679 INFO L175 Difference]: Start difference. First operand has 207 places, 204 transitions, 447 flow. Second operand 3 states and 701 transitions. [2024-11-28 02:56:46,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 205 transitions, 481 flow [2024-11-28 02:56:46,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 205 transitions, 479 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:56:46,682 INFO L231 Difference]: Finished difference. Result has 207 places, 0 transitions, 0 flow [2024-11-28 02:56:46,683 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=207, PETRI_TRANSITIONS=0} [2024-11-28 02:56:46,684 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -18 predicate places. [2024-11-28 02:56:46,684 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 0 transitions, 0 flow [2024-11-28 02:56:46,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 02:56:46,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2024-11-28 02:56:46,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2024-11-28 02:56:46,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2024-11-28 02:56:46,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2024-11-28 02:56:46,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2024-11-28 02:56:46,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2024-11-28 02:56:46,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:56:46,692 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:46,700 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:56:46,700 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:56:46,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:46 BasicIcfg [2024-11-28 02:56:46,709 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:56:46,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:56:46,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:56:46,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:56:46,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:39" (3/4) ... [2024-11-28 02:56:46,713 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:56:46,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:56:46,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:56:46,723 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-28 02:56:46,723 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:56:46,723 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:56:46,723 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:56:46,811 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:56:46,812 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:56:46,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:56:46,813 INFO L158 Benchmark]: Toolchain (without parser) took 8407.39ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.9MB in the beginning and 131.5MB in the end (delta: -38.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-28 02:56:46,813 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:56:46,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.88ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:56:46,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.45ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:56:46,814 INFO L158 Benchmark]: Boogie Preprocessor took 53.05ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:56:46,814 INFO L158 Benchmark]: RCFGBuilder took 842.65ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 54.3MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:56:46,814 INFO L158 Benchmark]: TraceAbstraction took 7044.92ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 53.7MB in the beginning and 136.2MB in the end (delta: -82.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2024-11-28 02:56:46,815 INFO L158 Benchmark]: Witness Printer took 102.05ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 131.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:56:46,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.88ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.45ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.05ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 842.65ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 54.3MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7044.92ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 53.7MB in the beginning and 136.2MB in the end (delta: -82.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Witness Printer took 102.05ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 131.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 59]: 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: 64]: 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: 64]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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, 357 locations, 32 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: 6.8s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 531 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 846 IncrementalHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 65 mSDtfsCounter, 846 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=478occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1164 NumberOfCodeBlocks, 1164 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1151 ConstructedInterpolants, 0 QuantifiedInterpolants, 1636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:56:46,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12370b9-5b0b-48be-a05f-ed2d22b38f1a/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