./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --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_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/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_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/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_1156222a-a008-44f3-a271-34154ebca2e8/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 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:00:26,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:00:26,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:00:27,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:00:27,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:00:27,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:00:27,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:00:27,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:00:27,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:00:27,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:00:27,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:00:27,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:00:27,061 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:00:27,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:00:27,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:00:27,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:00:27,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:00:27,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:00:27,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:00:27,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:00:27,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:00:27,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:00:27,063 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:00:27,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:00:27,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:00:27,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:00:27,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:00:27,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:00:27,063 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:00:27,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:27,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:27,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:27,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:00:27,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:27,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:27,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:27,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:00:27,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:00:27,067 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:00:27,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:00:27,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:00:27,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:00:27,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:00:27,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:00:27,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:00:27,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:00:27,069 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_1156222a-a008-44f3-a271-34154ebca2e8/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 -> 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 [2024-11-28 04:00:27,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:00:27,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:00:27,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:00:27,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:00:27,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:00:27,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-28 04:00:31,290 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/data/031a46706/4e510b2c24d34df8bfedaaa88ab7b779/FLAG364bf8f3b [2024-11-28 04:00:31,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:00:31,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-28 04:00:31,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/data/031a46706/4e510b2c24d34df8bfedaaa88ab7b779/FLAG364bf8f3b [2024-11-28 04:00:31,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/data/031a46706/4e510b2c24d34df8bfedaaa88ab7b779 [2024-11-28 04:00:31,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:00:31,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:00:31,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:31,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:00:31,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:00:31,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:31" (1/1) ... [2024-11-28 04:00:31,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c2ee8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:31, skipping insertion in model container [2024-11-28 04:00:31,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:31" (1/1) ... [2024-11-28 04:00:31,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:00:32,665 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,667 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,668 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,670 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:32,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:00:32,864 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,865 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,866 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,868 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:00:32,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:33,008 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:00:33,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33 WrapperNode [2024-11-28 04:00:33,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:33,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:33,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:00:33,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:00:33,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,162 INFO L138 Inliner]: procedures = 280, calls = 136, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 445 [2024-11-28 04:00:33,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:33,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:00:33,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:00:33,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:00:33,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,253 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:00:33,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:00:33,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:00:33,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:00:33,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (1/1) ... [2024-11-28 04:00:33,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:33,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:33,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:00:33,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:00:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:00:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 04:00:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:00:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 04:00:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:00:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:00:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:00:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:00:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:00:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:00:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 04:00:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 04:00:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 04:00:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:00:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:00:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:00:33,414 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:00:33,713 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:00:33,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:00:35,036 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:00:35,036 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:00:35,089 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:00:35,093 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-28 04:00:35,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:35 BoogieIcfgContainer [2024-11-28 04:00:35,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:00:35,096 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:00:35,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:00:35,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:00:35,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:00:31" (1/3) ... [2024-11-28 04:00:35,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a21a564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:35, skipping insertion in model container [2024-11-28 04:00:35,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:33" (2/3) ... [2024-11-28 04:00:35,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a21a564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:35, skipping insertion in model container [2024-11-28 04:00:35,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:35" (3/3) ... [2024-11-28 04:00:35,112 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2024-11-28 04:00:35,133 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:00:35,135 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_92-evilcollapse_racing.i that has 2 procedures, 474 locations, 1 initial locations, 11 loop locations, and 23 error locations. [2024-11-28 04:00:35,135 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:00:35,384 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 04:00:35,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 477 places, 501 transitions, 1009 flow [2024-11-28 04:00:35,803 INFO L124 PetriNetUnfolderBase]: 29/533 cut-off events. [2024-11-28 04:00:35,806 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:00:35,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 533 events. 29/533 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 939 event pairs, 0 based on Foata normal form. 0/476 useless extension candidates. Maximal degree in co-relation 348. Up to 4 conditions per place. [2024-11-28 04:00:35,820 INFO L82 GeneralOperation]: Start removeDead. Operand has 477 places, 501 transitions, 1009 flow [2024-11-28 04:00:35,836 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 477 places, 501 transitions, 1009 flow [2024-11-28 04:00:35,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:00:35,863 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;@4ff6906d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:00:35,864 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-28 04:00:35,914 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:00:35,915 INFO L124 PetriNetUnfolderBase]: 1/122 cut-off events. [2024-11-28 04:00:35,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:00:35,915 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:35,916 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:35,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:35,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:35,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1610405620, now seen corresponding path program 1 times [2024-11-28 04:00:35,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:35,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247246396] [2024-11-28 04:00:35,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:38,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:38,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247246396] [2024-11-28 04:00:38,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247246396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:38,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:38,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:38,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066547146] [2024-11-28 04:00:38,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:38,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:38,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:38,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:38,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:39,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 501 [2024-11-28 04:00:39,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 501 transitions, 1009 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:39,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:39,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 501 [2024-11-28 04:00:39,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:40,403 INFO L124 PetriNetUnfolderBase]: 319/1693 cut-off events. [2024-11-28 04:00:40,403 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-28 04:00:40,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2399 conditions, 1693 events. 319/1693 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9551 event pairs, 288 based on Foata normal form. 184/1741 useless extension candidates. Maximal degree in co-relation 1972. Up to 690 conditions per place. [2024-11-28 04:00:40,425 INFO L140 encePairwiseOnDemand]: 468/501 looper letters, 96 selfloop transitions, 10 changer transitions 2/476 dead transitions. [2024-11-28 04:00:40,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 476 transitions, 1171 flow [2024-11-28 04:00:40,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2355 transitions. [2024-11-28 04:00:40,468 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.783433133732535 [2024-11-28 04:00:40,470 INFO L175 Difference]: Start difference. First operand has 477 places, 501 transitions, 1009 flow. Second operand 6 states and 2355 transitions. [2024-11-28 04:00:40,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 476 transitions, 1171 flow [2024-11-28 04:00:40,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 476 transitions, 1171 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:00:40,510 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 975 flow [2024-11-28 04:00:40,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=975, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-28 04:00:40,518 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 1 predicate places. [2024-11-28 04:00:40,521 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 975 flow [2024-11-28 04:00:40,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:40,524 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:40,524 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] [2024-11-28 04:00:40,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:00:40,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:40,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:40,527 INFO L85 PathProgramCache]: Analyzing trace with hash -546022257, now seen corresponding path program 1 times [2024-11-28 04:00:40,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:40,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780813432] [2024-11-28 04:00:40,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:41,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:41,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780813432] [2024-11-28 04:00:41,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780813432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:41,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:41,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:41,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073894679] [2024-11-28 04:00:41,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:41,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:41,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:41,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:41,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:42,318 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 501 [2024-11-28 04:00:42,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:42,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:42,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 501 [2024-11-28 04:00:42,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:42,726 INFO L124 PetriNetUnfolderBase]: 319/1689 cut-off events. [2024-11-28 04:00:42,726 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-28 04:00:42,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2406 conditions, 1689 events. 319/1689 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9564 event pairs, 288 based on Foata normal form. 0/1557 useless extension candidates. Maximal degree in co-relation 2231. Up to 690 conditions per place. [2024-11-28 04:00:42,737 INFO L140 encePairwiseOnDemand]: 489/501 looper letters, 96 selfloop transitions, 10 changer transitions 0/472 dead transitions. [2024-11-28 04:00:42,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 472 transitions, 1183 flow [2024-11-28 04:00:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2334 transitions. [2024-11-28 04:00:42,749 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7764471057884231 [2024-11-28 04:00:42,752 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 975 flow. Second operand 6 states and 2334 transitions. [2024-11-28 04:00:42,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 472 transitions, 1183 flow [2024-11-28 04:00:42,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 472 transitions, 1163 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:00:42,765 INFO L231 Difference]: Finished difference. Result has 474 places, 472 transitions, 971 flow [2024-11-28 04:00:42,767 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=971, PETRI_PLACES=474, PETRI_TRANSITIONS=472} [2024-11-28 04:00:42,768 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -3 predicate places. [2024-11-28 04:00:42,768 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 472 transitions, 971 flow [2024-11-28 04:00:42,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:42,770 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:42,771 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] [2024-11-28 04:00:42,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:00:42,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:42,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:42,773 INFO L85 PathProgramCache]: Analyzing trace with hash -292188942, now seen corresponding path program 1 times [2024-11-28 04:00:42,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:42,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582053062] [2024-11-28 04:00:42,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:42,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:42,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582053062] [2024-11-28 04:00:42,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582053062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:42,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:42,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:00:42,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521373174] [2024-11-28 04:00:42,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:42,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:00:42,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:42,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:00:42,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:00:42,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-28 04:00:42,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 472 transitions, 971 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:42,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:42,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-28 04:00:42,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:43,117 INFO L124 PetriNetUnfolderBase]: 15/650 cut-off events. [2024-11-28 04:00:43,118 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-28 04:00:43,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 650 events. 15/650 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1432 event pairs, 8 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 487. Up to 34 conditions per place. [2024-11-28 04:00:43,121 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 15 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2024-11-28 04:00:43,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 473 transitions, 1007 flow [2024-11-28 04:00:43,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:00:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:00:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2024-11-28 04:00:43,127 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936127744510978 [2024-11-28 04:00:43,127 INFO L175 Difference]: Start difference. First operand has 474 places, 472 transitions, 971 flow. Second operand 3 states and 1407 transitions. [2024-11-28 04:00:43,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 473 transitions, 1007 flow [2024-11-28 04:00:43,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 473 transitions, 987 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:00:43,167 INFO L231 Difference]: Finished difference. Result has 472 places, 473 transitions, 963 flow [2024-11-28 04:00:43,168 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=963, PETRI_PLACES=472, PETRI_TRANSITIONS=473} [2024-11-28 04:00:43,169 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -5 predicate places. [2024-11-28 04:00:43,170 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 473 transitions, 963 flow [2024-11-28 04:00:43,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:43,171 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:43,171 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] [2024-11-28 04:00:43,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:00:43,172 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:43,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash -2034281585, now seen corresponding path program 1 times [2024-11-28 04:00:43,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:43,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533564963] [2024-11-28 04:00:43,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:44,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:44,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533564963] [2024-11-28 04:00:44,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533564963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:44,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:44,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:44,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118378140] [2024-11-28 04:00:44,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:44,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:44,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:44,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:44,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:45,082 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 501 [2024-11-28 04:00:45,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 473 transitions, 963 flow. Second operand has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:45,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:45,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 501 [2024-11-28 04:00:45,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:45,880 INFO L124 PetriNetUnfolderBase]: 320/1811 cut-off events. [2024-11-28 04:00:45,881 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-28 04:00:45,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2572 conditions, 1811 events. 320/1811 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9956 event pairs, 288 based on Foata normal form. 0/1675 useless extension candidates. Maximal degree in co-relation 2295. Up to 738 conditions per place. [2024-11-28 04:00:45,895 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 103 selfloop transitions, 5 changer transitions 0/472 dead transitions. [2024-11-28 04:00:45,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 472 transitions, 1177 flow [2024-11-28 04:00:45,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2329 transitions. [2024-11-28 04:00:45,902 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7747837658017299 [2024-11-28 04:00:45,902 INFO L175 Difference]: Start difference. First operand has 472 places, 473 transitions, 963 flow. Second operand 6 states and 2329 transitions. [2024-11-28 04:00:45,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 472 transitions, 1177 flow [2024-11-28 04:00:45,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 472 transitions, 1175 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:00:45,914 INFO L231 Difference]: Finished difference. Result has 475 places, 472 transitions, 969 flow [2024-11-28 04:00:45,915 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=969, PETRI_PLACES=475, PETRI_TRANSITIONS=472} [2024-11-28 04:00:45,916 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -2 predicate places. [2024-11-28 04:00:45,917 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 472 transitions, 969 flow [2024-11-28 04:00:45,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:45,919 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:45,919 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:45,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:00:45,920 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:45,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:45,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1710774020, now seen corresponding path program 1 times [2024-11-28 04:00:45,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:45,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507715729] [2024-11-28 04:00:45,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:45,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:46,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:46,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507715729] [2024-11-28 04:00:46,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507715729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:46,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:46,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:00:46,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089658035] [2024-11-28 04:00:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:46,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:00:46,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:46,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:00:46,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:00:46,077 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-28 04:00:46,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 472 transitions, 969 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:46,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:46,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-28 04:00:46,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:46,253 INFO L124 PetriNetUnfolderBase]: 15/836 cut-off events. [2024-11-28 04:00:46,254 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-28 04:00:46,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 836 events. 15/836 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1642 event pairs, 8 based on Foata normal form. 2/788 useless extension candidates. Maximal degree in co-relation 682. Up to 38 conditions per place. [2024-11-28 04:00:46,257 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 15 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2024-11-28 04:00:46,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 473 transitions, 1005 flow [2024-11-28 04:00:46,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:00:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:00:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2024-11-28 04:00:46,261 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936127744510978 [2024-11-28 04:00:46,261 INFO L175 Difference]: Start difference. First operand has 475 places, 472 transitions, 969 flow. Second operand 3 states and 1407 transitions. [2024-11-28 04:00:46,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 473 transitions, 1005 flow [2024-11-28 04:00:46,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 473 transitions, 995 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:00:46,272 INFO L231 Difference]: Finished difference. Result has 473 places, 473 transitions, 971 flow [2024-11-28 04:00:46,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=971, PETRI_PLACES=473, PETRI_TRANSITIONS=473} [2024-11-28 04:00:46,273 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -4 predicate places. [2024-11-28 04:00:46,274 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 473 transitions, 971 flow [2024-11-28 04:00:46,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:46,275 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:46,275 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:46,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:00:46,275 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:46,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:46,276 INFO L85 PathProgramCache]: Analyzing trace with hash -528384485, now seen corresponding path program 1 times [2024-11-28 04:00:46,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:46,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109510637] [2024-11-28 04:00:46,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:46,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:47,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:47,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109510637] [2024-11-28 04:00:47,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109510637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:47,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:47,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:47,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794898618] [2024-11-28 04:00:47,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:47,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:47,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:47,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:47,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:48,603 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 501 [2024-11-28 04:00:48,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 473 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 411.5) internal successors, (2469), 6 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:48,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:48,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 501 [2024-11-28 04:00:48,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:49,134 INFO L124 PetriNetUnfolderBase]: 83/1150 cut-off events. [2024-11-28 04:00:49,135 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-28 04:00:49,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1507 conditions, 1150 events. 83/1150 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3568 event pairs, 64 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 963. Up to 315 conditions per place. [2024-11-28 04:00:49,142 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 66 selfloop transitions, 5 changer transitions 0/472 dead transitions. [2024-11-28 04:00:49,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 472 transitions, 1111 flow [2024-11-28 04:00:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2514 transitions. [2024-11-28 04:00:49,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8363273453093812 [2024-11-28 04:00:49,150 INFO L175 Difference]: Start difference. First operand has 473 places, 473 transitions, 971 flow. Second operand 6 states and 2514 transitions. [2024-11-28 04:00:49,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 472 transitions, 1111 flow [2024-11-28 04:00:49,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 472 transitions, 1109 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:00:49,218 INFO L231 Difference]: Finished difference. Result has 476 places, 472 transitions, 977 flow [2024-11-28 04:00:49,219 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=977, PETRI_PLACES=476, PETRI_TRANSITIONS=472} [2024-11-28 04:00:49,220 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -1 predicate places. [2024-11-28 04:00:49,220 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 472 transitions, 977 flow [2024-11-28 04:00:49,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 411.5) internal successors, (2469), 6 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:49,223 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:49,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:49,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:00:49,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:49,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:49,225 INFO L85 PathProgramCache]: Analyzing trace with hash -349362051, now seen corresponding path program 1 times [2024-11-28 04:00:49,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:49,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442761818] [2024-11-28 04:00:49,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:49,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:00:50,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:50,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442761818] [2024-11-28 04:00:50,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442761818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:50,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:50,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:50,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866318285] [2024-11-28 04:00:50,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:50,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:50,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:50,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:50,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:50,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 501 [2024-11-28 04:00:50,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 472 transitions, 977 flow. Second operand has 6 states, 6 states have (on average 375.3333333333333) internal successors, (2252), 6 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:50,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:50,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 501 [2024-11-28 04:00:50,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:51,879 INFO L124 PetriNetUnfolderBase]: 320/1991 cut-off events. [2024-11-28 04:00:51,879 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-28 04:00:51,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 1991 events. 320/1991 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10510 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2338. Up to 804 conditions per place. [2024-11-28 04:00:51,890 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 103 selfloop transitions, 5 changer transitions 0/471 dead transitions. [2024-11-28 04:00:51,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 471 transitions, 1191 flow [2024-11-28 04:00:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2329 transitions. [2024-11-28 04:00:51,900 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7747837658017299 [2024-11-28 04:00:51,900 INFO L175 Difference]: Start difference. First operand has 476 places, 472 transitions, 977 flow. Second operand 6 states and 2329 transitions. [2024-11-28 04:00:51,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 471 transitions, 1191 flow [2024-11-28 04:00:51,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 471 transitions, 1181 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:00:51,917 INFO L231 Difference]: Finished difference. Result has 475 places, 471 transitions, 975 flow [2024-11-28 04:00:51,919 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=965, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=975, PETRI_PLACES=475, PETRI_TRANSITIONS=471} [2024-11-28 04:00:51,920 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -2 predicate places. [2024-11-28 04:00:51,921 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 471 transitions, 975 flow [2024-11-28 04:00:51,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 375.3333333333333) internal successors, (2252), 6 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:51,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:51,924 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:51,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:00:51,924 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:51,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:51,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1688708025, now seen corresponding path program 1 times [2024-11-28 04:00:51,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:51,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908652841] [2024-11-28 04:00:51,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:51,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:00:52,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:52,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908652841] [2024-11-28 04:00:52,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908652841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:52,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:52,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:52,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270347026] [2024-11-28 04:00:52,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:52,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:52,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:52,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:53,831 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 501 [2024-11-28 04:00:53,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 471 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:53,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:53,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 501 [2024-11-28 04:00:53,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:54,803 INFO L124 PetriNetUnfolderBase]: 320/1987 cut-off events. [2024-11-28 04:00:54,804 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-28 04:00:54,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2836 conditions, 1987 events. 320/1987 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10545 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2354. Up to 788 conditions per place. [2024-11-28 04:00:54,816 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 99 selfloop transitions, 5 changer transitions 0/470 dead transitions. [2024-11-28 04:00:54,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 470 transitions, 1181 flow [2024-11-28 04:00:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2024-11-28 04:00:54,824 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781437125748503 [2024-11-28 04:00:54,824 INFO L175 Difference]: Start difference. First operand has 475 places, 471 transitions, 975 flow. Second operand 6 states and 2349 transitions. [2024-11-28 04:00:54,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 470 transitions, 1181 flow [2024-11-28 04:00:54,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 470 transitions, 1171 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:00:54,835 INFO L231 Difference]: Finished difference. Result has 474 places, 470 transitions, 973 flow [2024-11-28 04:00:54,836 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=963, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=973, PETRI_PLACES=474, PETRI_TRANSITIONS=470} [2024-11-28 04:00:54,837 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -3 predicate places. [2024-11-28 04:00:54,837 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 470 transitions, 973 flow [2024-11-28 04:00:54,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:54,839 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:54,839 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:54,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:00:54,840 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:54,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:54,841 INFO L85 PathProgramCache]: Analyzing trace with hash -223534826, now seen corresponding path program 1 times [2024-11-28 04:00:54,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:54,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249568363] [2024-11-28 04:00:54,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:54,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:00:55,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:55,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249568363] [2024-11-28 04:00:55,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249568363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:55,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:55,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:55,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922184162] [2024-11-28 04:00:55,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:55,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:55,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:55,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:55,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:56,484 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 501 [2024-11-28 04:00:56,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 470 transitions, 973 flow. Second operand has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:56,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:56,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 501 [2024-11-28 04:00:56,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:57,009 INFO L124 PetriNetUnfolderBase]: 320/1983 cut-off events. [2024-11-28 04:00:57,009 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-28 04:00:57,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2832 conditions, 1983 events. 320/1983 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10481 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2369. Up to 788 conditions per place. [2024-11-28 04:00:57,022 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 99 selfloop transitions, 5 changer transitions 0/469 dead transitions. [2024-11-28 04:00:57,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 469 transitions, 1179 flow [2024-11-28 04:00:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:57,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2024-11-28 04:00:57,029 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781437125748503 [2024-11-28 04:00:57,030 INFO L175 Difference]: Start difference. First operand has 474 places, 470 transitions, 973 flow. Second operand 6 states and 2349 transitions. [2024-11-28 04:00:57,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 469 transitions, 1179 flow [2024-11-28 04:00:57,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 469 transitions, 1169 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:00:57,039 INFO L231 Difference]: Finished difference. Result has 473 places, 469 transitions, 971 flow [2024-11-28 04:00:57,040 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=971, PETRI_PLACES=473, PETRI_TRANSITIONS=469} [2024-11-28 04:00:57,041 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -4 predicate places. [2024-11-28 04:00:57,041 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 469 transitions, 971 flow [2024-11-28 04:00:57,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:57,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:57,044 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:57,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:00:57,045 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:57,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash 159551743, now seen corresponding path program 1 times [2024-11-28 04:00:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:57,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824457730] [2024-11-28 04:00:57,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:57,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:00:57,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:57,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824457730] [2024-11-28 04:00:57,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824457730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:57,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:57,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:00:57,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888273580] [2024-11-28 04:00:57,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:57,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:57,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:57,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:57,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:58,652 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 501 [2024-11-28 04:00:58,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 469 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:58,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:58,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 501 [2024-11-28 04:00:58,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:59,418 INFO L124 PetriNetUnfolderBase]: 320/1979 cut-off events. [2024-11-28 04:00:59,418 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-28 04:00:59,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2848 conditions, 1979 events. 320/1979 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10501 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2382. Up to 808 conditions per place. [2024-11-28 04:00:59,428 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 104 selfloop transitions, 5 changer transitions 0/468 dead transitions. [2024-11-28 04:00:59,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 468 transitions, 1187 flow [2024-11-28 04:00:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:00:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:00:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2024-11-28 04:00:59,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7731204258150366 [2024-11-28 04:00:59,436 INFO L175 Difference]: Start difference. First operand has 473 places, 469 transitions, 971 flow. Second operand 6 states and 2324 transitions. [2024-11-28 04:00:59,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 468 transitions, 1187 flow [2024-11-28 04:00:59,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 468 transitions, 1177 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:00:59,446 INFO L231 Difference]: Finished difference. Result has 472 places, 468 transitions, 969 flow [2024-11-28 04:00:59,447 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=969, PETRI_PLACES=472, PETRI_TRANSITIONS=468} [2024-11-28 04:00:59,451 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -5 predicate places. [2024-11-28 04:00:59,451 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 468 transitions, 969 flow [2024-11-28 04:00:59,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:59,453 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:59,453 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:59,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:00:59,453 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:00:59,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1897141776, now seen corresponding path program 1 times [2024-11-28 04:00:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:59,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992256348] [2024-11-28 04:00:59,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:59,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 04:00:59,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:59,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992256348] [2024-11-28 04:00:59,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992256348] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:59,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411280163] [2024-11-28 04:00:59,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:59,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:59,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:59,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:59,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:01:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:00,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:01:00,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 04:01:00,544 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 04:01:00,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411280163] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:00,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:01:00,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 04:01:00,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419647762] [2024-11-28 04:01:00,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:00,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:01:00,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:00,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:01:00,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:01:00,894 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-28 04:01:00,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 468 transitions, 969 flow. Second operand has 10 states, 10 states have (on average 461.8) internal successors, (4618), 10 states have internal predecessors, (4618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:00,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:01:00,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-28 04:01:00,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:01:01,298 INFO L124 PetriNetUnfolderBase]: 15/1000 cut-off events. [2024-11-28 04:01:01,299 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-28 04:01:01,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 1000 events. 15/1000 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1201 event pairs, 8 based on Foata normal form. 4/974 useless extension candidates. Maximal degree in co-relation 888. Up to 38 conditions per place. [2024-11-28 04:01:01,302 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 19 selfloop transitions, 9 changer transitions 0/476 dead transitions. [2024-11-28 04:01:01,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 476 transitions, 1043 flow [2024-11-28 04:01:01,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:01:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:01:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4170 transitions. [2024-11-28 04:01:01,317 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9248170326014638 [2024-11-28 04:01:01,317 INFO L175 Difference]: Start difference. First operand has 472 places, 468 transitions, 969 flow. Second operand 9 states and 4170 transitions. [2024-11-28 04:01:01,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 476 transitions, 1043 flow [2024-11-28 04:01:01,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 476 transitions, 1033 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:01:01,331 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 1009 flow [2024-11-28 04:01:01,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1009, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-28 04:01:01,334 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 1 predicate places. [2024-11-28 04:01:01,334 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 1009 flow [2024-11-28 04:01:01,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 461.8) internal successors, (4618), 10 states have internal predecessors, (4618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:01,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:01:01,340 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:01,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:01,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:01:01,545 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:01:01,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:01,547 INFO L85 PathProgramCache]: Analyzing trace with hash -454917432, now seen corresponding path program 2 times [2024-11-28 04:01:01,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:01,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271535209] [2024-11-28 04:01:01,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:01:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:01,682 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:01:01,683 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:01:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-28 04:01:02,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:02,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271535209] [2024-11-28 04:01:02,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271535209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:02,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:02,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:01:02,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728217329] [2024-11-28 04:01:02,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:02,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:01:02,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:02,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:01:02,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:01:04,200 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 501 [2024-11-28 04:01:04,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 1009 flow. Second operand has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:04,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:01:04,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 501 [2024-11-28 04:01:04,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:01:04,857 INFO L124 PetriNetUnfolderBase]: 83/1316 cut-off events. [2024-11-28 04:01:04,857 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-11-28 04:01:04,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1752 conditions, 1316 events. 83/1316 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3112 event pairs, 64 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 1092. Up to 362 conditions per place. [2024-11-28 04:01:04,864 INFO L140 encePairwiseOnDemand]: 489/501 looper letters, 69 selfloop transitions, 10 changer transitions 0/472 dead transitions. [2024-11-28 04:01:04,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 472 transitions, 1163 flow [2024-11-28 04:01:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:01:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:01:04,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2469 transitions. [2024-11-28 04:01:04,871 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213572854291418 [2024-11-28 04:01:04,871 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 1009 flow. Second operand 6 states and 2469 transitions. [2024-11-28 04:01:04,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 472 transitions, 1163 flow [2024-11-28 04:01:04,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 472 transitions, 1157 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 04:01:04,882 INFO L231 Difference]: Finished difference. Result has 480 places, 472 transitions, 1019 flow [2024-11-28 04:01:04,883 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1019, PETRI_PLACES=480, PETRI_TRANSITIONS=472} [2024-11-28 04:01:04,886 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 3 predicate places. [2024-11-28 04:01:04,886 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 472 transitions, 1019 flow [2024-11-28 04:01:04,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:04,888 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:01:04,888 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:04,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:01:04,889 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:01:04,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:04,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1656043449, now seen corresponding path program 1 times [2024-11-28 04:01:04,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:04,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813126156] [2024-11-28 04:01:04,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:05,565 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-28 04:01:05,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:05,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813126156] [2024-11-28 04:01:05,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813126156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:05,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444549054] [2024-11-28 04:01:05,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:05,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:05,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:05,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:05,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:01:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:06,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:01:06,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 489 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:01:06,942 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 489 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:01:07,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444549054] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:07,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:01:07,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-28 04:01:07,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717916331] [2024-11-28 04:01:07,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:07,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:01:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:07,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:01:07,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:01:07,879 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 501 [2024-11-28 04:01:07,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 472 transitions, 1019 flow. Second operand has 19 states, 19 states have (on average 456.5263157894737) internal successors, (8674), 19 states have internal predecessors, (8674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:07,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:01:07,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 501 [2024-11-28 04:01:07,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:01:09,741 INFO L124 PetriNetUnfolderBase]: 16/2378 cut-off events. [2024-11-28 04:01:09,741 INFO L125 PetriNetUnfolderBase]: For 80/81 co-relation queries the response was YES. [2024-11-28 04:01:09,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2679 conditions, 2378 events. 16/2378 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1195 event pairs, 8 based on Foata normal form. 13/2363 useless extension candidates. Maximal degree in co-relation 2450. Up to 40 conditions per place. [2024-11-28 04:01:09,746 INFO L140 encePairwiseOnDemand]: 490/501 looper letters, 51 selfloop transitions, 68 changer transitions 0/558 dead transitions. [2024-11-28 04:01:09,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 558 transitions, 1667 flow [2024-11-28 04:01:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-28 04:01:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-28 04:01:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 28734 transitions. [2024-11-28 04:01:09,774 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9103697367170421 [2024-11-28 04:01:09,775 INFO L175 Difference]: Start difference. First operand has 480 places, 472 transitions, 1019 flow. Second operand 63 states and 28734 transitions. [2024-11-28 04:01:09,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 558 transitions, 1667 flow [2024-11-28 04:01:09,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 558 transitions, 1647 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:01:09,784 INFO L231 Difference]: Finished difference. Result has 553 places, 534 transitions, 1519 flow [2024-11-28 04:01:09,785 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1519, PETRI_PLACES=553, PETRI_TRANSITIONS=534} [2024-11-28 04:01:09,785 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 76 predicate places. [2024-11-28 04:01:09,785 INFO L471 AbstractCegarLoop]: Abstraction has has 553 places, 534 transitions, 1519 flow [2024-11-28 04:01:09,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 456.5263157894737) internal successors, (8674), 19 states have internal predecessors, (8674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:09,788 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:01:09,789 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:09,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:09,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:01:09,989 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:01:09,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:09,992 INFO L85 PathProgramCache]: Analyzing trace with hash -700016369, now seen corresponding path program 2 times [2024-11-28 04:01:09,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:09,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627995004] [2024-11-28 04:01:09,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:01:09,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:10,275 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:01:10,275 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:01:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15305 trivial. 0 not checked. [2024-11-28 04:01:10,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:10,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627995004] [2024-11-28 04:01:10,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627995004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:10,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:10,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:01:10,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188768888] [2024-11-28 04:01:10,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:10,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:01:10,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:10,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:01:10,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:01:11,474 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 501 [2024-11-28 04:01:11,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 534 transitions, 1519 flow. Second operand has 6 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:11,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:01:11,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 501 [2024-11-28 04:01:11,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:01:12,573 INFO L124 PetriNetUnfolderBase]: 103/2782 cut-off events. [2024-11-28 04:01:12,573 INFO L125 PetriNetUnfolderBase]: For 436/441 co-relation queries the response was YES. [2024-11-28 04:01:12,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3952 conditions, 2782 events. 103/2782 cut-off events. For 436/441 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4004 event pairs, 80 based on Foata normal form. 0/2700 useless extension candidates. Maximal degree in co-relation 3132. Up to 823 conditions per place. [2024-11-28 04:01:12,583 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 66 selfloop transitions, 5 changer transitions 0/533 dead transitions. [2024-11-28 04:01:12,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 533 transitions, 1659 flow [2024-11-28 04:01:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:01:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:01:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2514 transitions. [2024-11-28 04:01:12,588 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8363273453093812 [2024-11-28 04:01:12,588 INFO L175 Difference]: Start difference. First operand has 553 places, 534 transitions, 1519 flow. Second operand 6 states and 2514 transitions. [2024-11-28 04:01:12,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 533 transitions, 1659 flow [2024-11-28 04:01:12,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 533 transitions, 1583 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-28 04:01:12,601 INFO L231 Difference]: Finished difference. Result has 550 places, 533 transitions, 1451 flow [2024-11-28 04:01:12,602 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1451, PETRI_PLACES=550, PETRI_TRANSITIONS=533} [2024-11-28 04:01:12,602 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 73 predicate places. [2024-11-28 04:01:12,602 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 533 transitions, 1451 flow [2024-11-28 04:01:12,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:12,603 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:01:12,604 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:12,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:01:12,604 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:01:12,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:12,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1998022080, now seen corresponding path program 1 times [2024-11-28 04:01:12,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:12,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26579678] [2024-11-28 04:01:12,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:12,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 7978 proven. 3409 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2024-11-28 04:01:16,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:16,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26579678] [2024-11-28 04:01:16,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26579678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:16,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803648976] [2024-11-28 04:01:16,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:16,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:16,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:16,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:16,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:01:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:18,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 5801 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:01:18,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 7978 proven. 3409 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2024-11-28 04:01:19,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 7978 proven. 3409 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2024-11-28 04:01:20,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803648976] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:20,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:01:20,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-28 04:01:20,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388336069] [2024-11-28 04:01:20,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:20,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 04:01:20,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:20,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 04:01:20,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:01:20,137 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-28 04:01:20,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 533 transitions, 1451 flow. Second operand has 34 states, 34 states have (on average 462.11764705882354) internal successors, (15712), 34 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:20,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:01:20,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-28 04:01:20,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:01:22,972 INFO L124 PetriNetUnfolderBase]: 16/4537 cut-off events. [2024-11-28 04:01:22,972 INFO L125 PetriNetUnfolderBase]: For 3211/3212 co-relation queries the response was YES. [2024-11-28 04:01:22,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5333 conditions, 4537 events. 16/4537 cut-off events. For 3211/3212 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1194 event pairs, 8 based on Foata normal form. 24/4534 useless extension candidates. Maximal degree in co-relation 5088. Up to 78 conditions per place. [2024-11-28 04:01:22,982 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 51 selfloop transitions, 135 changer transitions 0/634 dead transitions. [2024-11-28 04:01:22,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 634 transitions, 2587 flow [2024-11-28 04:01:22,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-28 04:01:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-28 04:01:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 20784 transitions. [2024-11-28 04:01:23,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9218895542248836 [2024-11-28 04:01:23,001 INFO L175 Difference]: Start difference. First operand has 550 places, 533 transitions, 1451 flow. Second operand 45 states and 20784 transitions. [2024-11-28 04:01:23,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 634 transitions, 2587 flow [2024-11-28 04:01:23,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 634 transitions, 2577 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:01:23,019 INFO L231 Difference]: Finished difference. Result has 598 places, 608 transitions, 2315 flow [2024-11-28 04:01:23,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2315, PETRI_PLACES=598, PETRI_TRANSITIONS=608} [2024-11-28 04:01:23,022 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 121 predicate places. [2024-11-28 04:01:23,022 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 608 transitions, 2315 flow [2024-11-28 04:01:23,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 462.11764705882354) internal successors, (15712), 34 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:23,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:01:23,028 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:23,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:01:23,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:23,228 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:01:23,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:23,234 INFO L85 PathProgramCache]: Analyzing trace with hash -106087872, now seen corresponding path program 2 times [2024-11-28 04:01:23,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:23,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521717611] [2024-11-28 04:01:23,235 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:01:23,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:23,743 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:01:23,743 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:01:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 71641 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71641 trivial. 0 not checked. [2024-11-28 04:01:24,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:24,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521717611] [2024-11-28 04:01:24,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521717611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:24,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:24,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:01:24,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988952070] [2024-11-28 04:01:24,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:24,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:01:24,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:24,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:01:24,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:01:24,717 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 501 [2024-11-28 04:01:24,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 608 transitions, 2315 flow. Second operand has 6 states, 6 states have (on average 379.1666666666667) internal successors, (2275), 6 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:24,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:01:24,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 501 [2024-11-28 04:01:24,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:01:28,895 INFO L124 PetriNetUnfolderBase]: 360/5848 cut-off events. [2024-11-28 04:01:28,895 INFO L125 PetriNetUnfolderBase]: For 1225/1234 co-relation queries the response was YES. [2024-11-28 04:01:28,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8846 conditions, 5848 events. 360/5848 cut-off events. For 1225/1234 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 11900 event pairs, 324 based on Foata normal form. 0/5716 useless extension candidates. Maximal degree in co-relation 6602. Up to 2196 conditions per place. [2024-11-28 04:01:28,922 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 104 selfloop transitions, 5 changer transitions 0/607 dead transitions. [2024-11-28 04:01:28,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 607 transitions, 2531 flow [2024-11-28 04:01:28,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:01:28,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:01:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2024-11-28 04:01:28,925 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7731204258150366 [2024-11-28 04:01:28,926 INFO L175 Difference]: Start difference. First operand has 598 places, 608 transitions, 2315 flow. Second operand 6 states and 2324 transitions. [2024-11-28 04:01:28,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 607 transitions, 2531 flow [2024-11-28 04:01:28,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 607 transitions, 2423 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-28 04:01:28,954 INFO L231 Difference]: Finished difference. Result has 584 places, 607 transitions, 2215 flow [2024-11-28 04:01:28,955 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=2205, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2215, PETRI_PLACES=584, PETRI_TRANSITIONS=607} [2024-11-28 04:01:28,956 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 107 predicate places. [2024-11-28 04:01:28,956 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 607 transitions, 2215 flow [2024-11-28 04:01:28,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.1666666666667) internal successors, (2275), 6 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:28,957 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:01:28,958 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:28,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:01:28,959 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:01:28,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:28,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1985621615, now seen corresponding path program 1 times [2024-11-28 04:01:28,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:28,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463744703] [2024-11-28 04:01:28,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:28,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 71911 backedges. 36641 proven. 17025 refuted. 0 times theorem prover too weak. 18245 trivial. 0 not checked. [2024-11-28 04:01:45,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:45,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463744703] [2024-11-28 04:01:45,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463744703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:45,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222640086] [2024-11-28 04:01:45,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:45,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:45,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:45,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:01:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:49,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 11747 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 04:01:49,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 71911 backedges. 36641 proven. 17025 refuted. 0 times theorem prover too weak. 18245 trivial. 0 not checked. [2024-11-28 04:01:51,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 71911 backedges. 36641 proven. 17025 refuted. 0 times theorem prover too weak. 18245 trivial. 0 not checked. [2024-11-28 04:01:54,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222640086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:54,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:01:54,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-28 04:01:54,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732307097] [2024-11-28 04:01:54,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:54,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-28 04:01:54,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:54,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-28 04:01:54,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-28 04:01:55,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-28 04:01:55,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 607 transitions, 2215 flow. Second operand has 63 states, 63 states have (on average 462.0952380952381) internal successors, (29112), 63 states have internal predecessors, (29112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:55,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:01:55,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-28 04:01:55,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:02:13,447 INFO L124 PetriNetUnfolderBase]: 16/8586 cut-off events. [2024-11-28 04:02:13,447 INFO L125 PetriNetUnfolderBase]: For 13375/13376 co-relation queries the response was YES. [2024-11-28 04:02:13,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10501 conditions, 8586 events. 16/8586 cut-off events. For 13375/13376 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1196 event pairs, 8 based on Foata normal form. 45/8605 useless extension candidates. Maximal degree in co-relation 10247. Up to 168 conditions per place. [2024-11-28 04:02:13,471 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 96 selfloop transitions, 270 changer transitions 0/813 dead transitions. [2024-11-28 04:02:13,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 813 transitions, 5133 flow [2024-11-28 04:02:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-28 04:02:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-28 04:02:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 41551 transitions. [2024-11-28 04:02:13,540 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9215125304945664 [2024-11-28 04:02:13,541 INFO L175 Difference]: Start difference. First operand has 584 places, 607 transitions, 2215 flow. Second operand 90 states and 41551 transitions. [2024-11-28 04:02:13,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 813 transitions, 5133 flow [2024-11-28 04:02:13,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 813 transitions, 5123 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:02:13,603 INFO L231 Difference]: Finished difference. Result has 684 places, 745 transitions, 4197 flow [2024-11-28 04:02:13,607 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=2205, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4197, PETRI_PLACES=684, PETRI_TRANSITIONS=745} [2024-11-28 04:02:13,607 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 207 predicate places. [2024-11-28 04:02:13,607 INFO L471 AbstractCegarLoop]: Abstraction has has 684 places, 745 transitions, 4197 flow [2024-11-28 04:02:13,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 462.0952380952381) internal successors, (29112), 63 states have internal predecessors, (29112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:02:13,613 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:02:13,616 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:13,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:02:13,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1156222a-a008-44f3-a271-34154ebca2e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 04:02:13,817 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:02:13,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:13,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1740295023, now seen corresponding path program 2 times [2024-11-28 04:02:13,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:13,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932157751] [2024-11-28 04:02:13,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:02:13,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:15,202 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:02:15,203 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:02:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 289591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289591 trivial. 0 not checked. [2024-11-28 04:02:15,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:15,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932157751] [2024-11-28 04:02:15,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932157751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:15,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:15,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:02:15,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751812477] [2024-11-28 04:02:15,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:15,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:02:15,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:15,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:02:15,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:02:17,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 501 [2024-11-28 04:02:17,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 745 transitions, 4197 flow. Second operand has 6 states, 6 states have (on average 377.8333333333333) internal successors, (2267), 6 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:02:17,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:02:17,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 501 [2024-11-28 04:02:17,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:02:35,576 INFO L124 PetriNetUnfolderBase]: 740/11147 cut-off events. [2024-11-28 04:02:35,576 INFO L125 PetriNetUnfolderBase]: For 3543/3557 co-relation queries the response was YES. [2024-11-28 04:02:35,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17502 conditions, 11147 events. 740/11147 cut-off events. For 3543/3557 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22563 event pairs, 317 based on Foata normal form. 4/10904 useless extension candidates. Maximal degree in co-relation 13220. Up to 4141 conditions per place. [2024-11-28 04:02:35,615 INFO L140 encePairwiseOnDemand]: 466/501 looper letters, 143 selfloop transitions, 118 changer transitions 0/894 dead transitions. [2024-11-28 04:02:35,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 894 transitions, 5017 flow [2024-11-28 04:02:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:02:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:02:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2464 transitions. [2024-11-28 04:02:35,618 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8196939454424484 [2024-11-28 04:02:35,618 INFO L175 Difference]: Start difference. First operand has 684 places, 745 transitions, 4197 flow. Second operand 6 states and 2464 transitions. [2024-11-28 04:02:35,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 894 transitions, 5017 flow [2024-11-28 04:02:35,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 894 transitions, 4663 flow, removed 51 selfloop flow, removed 42 redundant places. [2024-11-28 04:02:35,673 INFO L231 Difference]: Finished difference. Result has 652 places, 862 transitions, 4617 flow [2024-11-28 04:02:35,674 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=3843, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=745, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4617, PETRI_PLACES=652, PETRI_TRANSITIONS=862} [2024-11-28 04:02:35,676 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 175 predicate places. [2024-11-28 04:02:35,676 INFO L471 AbstractCegarLoop]: Abstraction has has 652 places, 862 transitions, 4617 flow [2024-11-28 04:02:35,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 377.8333333333333) internal successors, (2267), 6 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:02:35,677 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:02:35,678 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:35,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:02:35,678 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-28 04:02:35,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:35,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1851706526, now seen corresponding path program 1 times [2024-11-28 04:02:35,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:35,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056969672] [2024-11-28 04:02:35,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:35,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 290674 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290674 trivial. 0 not checked. [2024-11-28 04:02:49,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:49,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056969672] [2024-11-28 04:02:49,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056969672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:49,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:49,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:02:49,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649143489] [2024-11-28 04:02:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:49,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:02:49,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:49,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:02:49,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:02:49,542 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-28 04:02:49,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 862 transitions, 4617 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:02:49,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:02:49,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-28 04:02:49,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand