./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.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_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/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_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/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_927738bb-bfeb-44c7-aba3-25ae4acfce70/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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:26:03,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:26:03,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:26:03,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:26:03,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:26:03,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:26:03,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:26:03,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:26:03,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:26:03,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:26:03,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:26:03,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:26:03,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:26:03,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:26:03,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:26:03,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:26:03,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:26:03,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:26:03,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:26:03,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:26:03,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:26:03,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:26:03,590 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:26:03,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:26:03,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:26:03,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:26:03,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:26:03,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:26:03,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:26:03,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:26:03,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:26:03,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:26:03,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:26:03,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:26:03,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:26:03,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:26:03,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:26:03,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:26:03,592 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:26:03,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:26:03,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:26:03,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:26:03,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:26:03,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:26:03,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:26:03,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:26:03,593 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_927738bb-bfeb-44c7-aba3-25ae4acfce70/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 -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2024-11-28 02:26:03,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:26:03,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:26:03,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:26:03,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:26:03,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:26:03,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-11-28 02:26:07,435 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/data/04f6f868f/608bb8ccc6d24bc7ad2438c78fc414f0/FLAG4ec7c14d3 [2024-11-28 02:26:07,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:26:07,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-11-28 02:26:07,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/data/04f6f868f/608bb8ccc6d24bc7ad2438c78fc414f0/FLAG4ec7c14d3 [2024-11-28 02:26:08,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/data/04f6f868f/608bb8ccc6d24bc7ad2438c78fc414f0 [2024-11-28 02:26:08,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:26:08,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:26:08,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:26:08,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:26:08,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:26:08,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:08" (1/1) ... [2024-11-28 02:26:08,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b92ae46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:08, skipping insertion in model container [2024-11-28 02:26:08,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:08" (1/1) ... [2024-11-28 02:26:08,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:26:08,702 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,703 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,705 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,706 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:26:08,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:26:08,867 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,868 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,869 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,871 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 02:26:08,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:26:09,013 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:26:09,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09 WrapperNode [2024-11-28 02:26:09,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:26:09,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:26:09,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:26:09,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:26:09,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,107 INFO L138 Inliner]: procedures = 281, calls = 126, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 424 [2024-11-28 02:26:09,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:26:09,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:26:09,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:26:09,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:26:09,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,203 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:26:09,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:26:09,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:26:09,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:26:09,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (1/1) ... [2024-11-28 02:26:09,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:26:09,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:26:09,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:26:09,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 02:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 02:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 02:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 02:26:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 02:26:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:26:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:26:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:26:09,338 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:26:09,545 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:26:09,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:26:10,807 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:26:10,807 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:26:10,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:26:10,884 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-28 02:26:10,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:10 BoogieIcfgContainer [2024-11-28 02:26:10,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:26:10,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:26:10,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:26:10,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:26:10,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:26:08" (1/3) ... [2024-11-28 02:26:10,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19796e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:26:10, skipping insertion in model container [2024-11-28 02:26:10,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:09" (2/3) ... [2024-11-28 02:26:10,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19796e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:26:10, skipping insertion in model container [2024-11-28 02:26:10,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:10" (3/3) ... [2024-11-28 02:26:10,906 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-11-28 02:26:10,927 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:26:10,929 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_93-evilcollapse_racefree.i that has 2 procedures, 451 locations, 1 initial locations, 11 loop locations, and 21 error locations. [2024-11-28 02:26:10,929 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:26:11,192 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 02:26:11,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 454 places, 479 transitions, 965 flow [2024-11-28 02:26:11,668 INFO L124 PetriNetUnfolderBase]: 30/511 cut-off events. [2024-11-28 02:26:11,674 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:26:11,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 511 events. 30/511 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1157 event pairs, 0 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 326. Up to 4 conditions per place. [2024-11-28 02:26:11,687 INFO L82 GeneralOperation]: Start removeDead. Operand has 454 places, 479 transitions, 965 flow [2024-11-28 02:26:11,698 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 454 places, 479 transitions, 965 flow [2024-11-28 02:26:11,712 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:26:11,732 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;@1ac7435b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:26:11,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-28 02:26:11,772 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:26:11,776 INFO L124 PetriNetUnfolderBase]: 1/126 cut-off events. [2024-11-28 02:26:11,776 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:26:11,776 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:11,777 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] [2024-11-28 02:26:11,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:11,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:11,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2126595477, now seen corresponding path program 1 times [2024-11-28 02:26:11,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:11,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567749482] [2024-11-28 02:26:11,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:11,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:13,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:13,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567749482] [2024-11-28 02:26:13,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567749482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:13,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:13,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:13,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9306399] [2024-11-28 02:26:13,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:13,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:13,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:13,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:13,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:14,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2024-11-28 02:26:14,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 479 transitions, 965 flow. Second operand has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:14,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:14,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2024-11-28 02:26:14,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:15,619 INFO L124 PetriNetUnfolderBase]: 320/1671 cut-off events. [2024-11-28 02:26:15,619 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-28 02:26:15,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 1671 events. 320/1671 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10072 event pairs, 288 based on Foata normal form. 184/1720 useless extension candidates. Maximal degree in co-relation 1972. Up to 682 conditions per place. [2024-11-28 02:26:15,634 INFO L140 encePairwiseOnDemand]: 446/479 looper letters, 88 selfloop transitions, 10 changer transitions 2/454 dead transitions. [2024-11-28 02:26:15,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 454 transitions, 1111 flow [2024-11-28 02:26:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:15,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2263 transitions. [2024-11-28 02:26:15,662 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7874043145441892 [2024-11-28 02:26:15,664 INFO L175 Difference]: Start difference. First operand has 454 places, 479 transitions, 965 flow. Second operand 6 states and 2263 transitions. [2024-11-28 02:26:15,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 454 transitions, 1111 flow [2024-11-28 02:26:15,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 454 transitions, 1111 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:26:15,687 INFO L231 Difference]: Finished difference. Result has 455 places, 452 transitions, 931 flow [2024-11-28 02:26:15,691 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=455, PETRI_TRANSITIONS=452} [2024-11-28 02:26:15,696 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 1 predicate places. [2024-11-28 02:26:15,696 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 452 transitions, 931 flow [2024-11-28 02:26:15,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:15,698 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:15,698 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] [2024-11-28 02:26:15,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:26:15,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:15,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1943834164, now seen corresponding path program 1 times [2024-11-28 02:26:15,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:15,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740749120] [2024-11-28 02:26:15,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:15,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:16,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:16,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740749120] [2024-11-28 02:26:16,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740749120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:16,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:16,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:16,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310520431] [2024-11-28 02:26:16,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:16,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:16,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:16,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:16,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:17,793 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2024-11-28 02:26:17,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 452 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:17,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:17,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2024-11-28 02:26:17,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:18,508 INFO L124 PetriNetUnfolderBase]: 320/1667 cut-off events. [2024-11-28 02:26:18,508 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-28 02:26:18,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2376 conditions, 1667 events. 320/1667 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10064 event pairs, 288 based on Foata normal form. 0/1536 useless extension candidates. Maximal degree in co-relation 2201. Up to 682 conditions per place. [2024-11-28 02:26:18,519 INFO L140 encePairwiseOnDemand]: 467/479 looper letters, 88 selfloop transitions, 10 changer transitions 0/450 dead transitions. [2024-11-28 02:26:18,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 450 transitions, 1123 flow [2024-11-28 02:26:18,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2242 transitions. [2024-11-28 02:26:18,574 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7800974251913709 [2024-11-28 02:26:18,574 INFO L175 Difference]: Start difference. First operand has 455 places, 452 transitions, 931 flow. Second operand 6 states and 2242 transitions. [2024-11-28 02:26:18,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 450 transitions, 1123 flow [2024-11-28 02:26:18,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 450 transitions, 1103 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:18,589 INFO L231 Difference]: Finished difference. Result has 451 places, 450 transitions, 927 flow [2024-11-28 02:26:18,590 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=927, PETRI_PLACES=451, PETRI_TRANSITIONS=450} [2024-11-28 02:26:18,591 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -3 predicate places. [2024-11-28 02:26:18,592 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 450 transitions, 927 flow [2024-11-28 02:26:18,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:18,596 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:18,596 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 02:26:18,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:26:18,597 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:18,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:18,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1502523384, now seen corresponding path program 1 times [2024-11-28 02:26:18,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:18,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845226764] [2024-11-28 02:26:18,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:18,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:18,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:18,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845226764] [2024-11-28 02:26:18,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845226764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:18,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:18,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:26:18,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705574396] [2024-11-28 02:26:18,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:18,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:26:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:18,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:26:18,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:26:18,888 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-28 02:26:18,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 450 transitions, 927 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:18,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:18,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-28 02:26:18,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:19,048 INFO L124 PetriNetUnfolderBase]: 16/628 cut-off events. [2024-11-28 02:26:19,048 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-28 02:26:19,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 628 events. 16/628 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1812 event pairs, 8 based on Foata normal form. 1/586 useless extension candidates. Maximal degree in co-relation 465. Up to 34 conditions per place. [2024-11-28 02:26:19,052 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-28 02:26:19,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 451 transitions, 963 flow [2024-11-28 02:26:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:26:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:26:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2024-11-28 02:26:19,057 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9331941544885177 [2024-11-28 02:26:19,057 INFO L175 Difference]: Start difference. First operand has 451 places, 450 transitions, 927 flow. Second operand 3 states and 1341 transitions. [2024-11-28 02:26:19,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 451 transitions, 963 flow [2024-11-28 02:26:19,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 943 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:19,070 INFO L231 Difference]: Finished difference. Result has 449 places, 451 transitions, 919 flow [2024-11-28 02:26:19,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=449, PETRI_TRANSITIONS=451} [2024-11-28 02:26:19,073 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -5 predicate places. [2024-11-28 02:26:19,073 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 451 transitions, 919 flow [2024-11-28 02:26:19,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:19,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:19,075 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] [2024-11-28 02:26:19,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:26:19,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:19,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:19,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1927392474, now seen corresponding path program 1 times [2024-11-28 02:26:19,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:19,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465120325] [2024-11-28 02:26:19,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:19,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:20,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:20,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465120325] [2024-11-28 02:26:20,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465120325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:20,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:20,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:20,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892702912] [2024-11-28 02:26:20,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:20,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:20,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:20,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:20,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:20,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 479 [2024-11-28 02:26:20,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 451 transitions, 919 flow. Second operand has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:20,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:20,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 479 [2024-11-28 02:26:20,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:21,655 INFO L124 PetriNetUnfolderBase]: 321/1789 cut-off events. [2024-11-28 02:26:21,655 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-28 02:26:21,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2542 conditions, 1789 events. 321/1789 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10647 event pairs, 288 based on Foata normal form. 0/1654 useless extension candidates. Maximal degree in co-relation 2270. Up to 730 conditions per place. [2024-11-28 02:26:21,666 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 95 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2024-11-28 02:26:21,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 450 transitions, 1117 flow [2024-11-28 02:26:21,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2237 transitions. [2024-11-28 02:26:21,672 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.778357689631176 [2024-11-28 02:26:21,673 INFO L175 Difference]: Start difference. First operand has 449 places, 451 transitions, 919 flow. Second operand 6 states and 2237 transitions. [2024-11-28 02:26:21,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 450 transitions, 1117 flow [2024-11-28 02:26:21,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 450 transitions, 1115 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:26:21,681 INFO L231 Difference]: Finished difference. Result has 452 places, 450 transitions, 925 flow [2024-11-28 02:26:21,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=925, PETRI_PLACES=452, PETRI_TRANSITIONS=450} [2024-11-28 02:26:21,682 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -2 predicate places. [2024-11-28 02:26:21,682 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 450 transitions, 925 flow [2024-11-28 02:26:21,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:21,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:21,684 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:21,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:26:21,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:21,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:21,685 INFO L85 PathProgramCache]: Analyzing trace with hash -234930384, now seen corresponding path program 1 times [2024-11-28 02:26:21,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:21,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147333002] [2024-11-28 02:26:21,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:21,826 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 02:26:21,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:21,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147333002] [2024-11-28 02:26:21,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147333002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:21,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:21,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:26:21,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997666831] [2024-11-28 02:26:21,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:21,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:26:21,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:21,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:26:21,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:26:21,855 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-28 02:26:21,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 450 transitions, 925 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:21,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:21,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-28 02:26:21,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:22,067 INFO L124 PetriNetUnfolderBase]: 16/814 cut-off events. [2024-11-28 02:26:22,068 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-28 02:26:22,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 814 events. 16/814 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1834 event pairs, 8 based on Foata normal form. 2/767 useless extension candidates. Maximal degree in co-relation 660. Up to 38 conditions per place. [2024-11-28 02:26:22,072 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-28 02:26:22,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 451 transitions, 961 flow [2024-11-28 02:26:22,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:26:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:26:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2024-11-28 02:26:22,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9331941544885177 [2024-11-28 02:26:22,080 INFO L175 Difference]: Start difference. First operand has 452 places, 450 transitions, 925 flow. Second operand 3 states and 1341 transitions. [2024-11-28 02:26:22,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 451 transitions, 961 flow [2024-11-28 02:26:22,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 451 transitions, 951 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:22,116 INFO L231 Difference]: Finished difference. Result has 450 places, 451 transitions, 927 flow [2024-11-28 02:26:22,121 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=927, PETRI_PLACES=450, PETRI_TRANSITIONS=451} [2024-11-28 02:26:22,122 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -4 predicate places. [2024-11-28 02:26:22,122 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 451 transitions, 927 flow [2024-11-28 02:26:22,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:22,123 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:22,123 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] [2024-11-28 02:26:22,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:26:22,128 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:22,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1800269330, now seen corresponding path program 1 times [2024-11-28 02:26:22,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:22,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195090220] [2024-11-28 02:26:22,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:22,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:23,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:23,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195090220] [2024-11-28 02:26:23,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195090220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:23,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:23,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:23,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671701690] [2024-11-28 02:26:23,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:23,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:23,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:23,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:23,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:24,475 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-28 02:26:24,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 451 transitions, 927 flow. Second operand has 6 states, 6 states have (on average 393.5) internal successors, (2361), 6 states have internal predecessors, (2361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:24,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:24,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-28 02:26:24,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:24,903 INFO L124 PetriNetUnfolderBase]: 84/1128 cut-off events. [2024-11-28 02:26:24,904 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-28 02:26:24,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1481 conditions, 1128 events. 84/1128 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3768 event pairs, 64 based on Foata normal form. 0/1042 useless extension candidates. Maximal degree in co-relation 942. Up to 311 conditions per place. [2024-11-28 02:26:24,910 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2024-11-28 02:26:24,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 450 transitions, 1059 flow [2024-11-28 02:26:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-28 02:26:24,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-28 02:26:24,918 INFO L175 Difference]: Start difference. First operand has 450 places, 451 transitions, 927 flow. Second operand 6 states and 2402 transitions. [2024-11-28 02:26:24,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 450 transitions, 1059 flow [2024-11-28 02:26:24,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 450 transitions, 1057 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:26:24,929 INFO L231 Difference]: Finished difference. Result has 453 places, 450 transitions, 933 flow [2024-11-28 02:26:24,930 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=933, PETRI_PLACES=453, PETRI_TRANSITIONS=450} [2024-11-28 02:26:24,931 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -1 predicate places. [2024-11-28 02:26:24,931 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 450 transitions, 933 flow [2024-11-28 02:26:24,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.5) internal successors, (2361), 6 states have internal predecessors, (2361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:24,934 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:24,934 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] [2024-11-28 02:26:24,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:26:24,934 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:24,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1479267168, now seen corresponding path program 1 times [2024-11-28 02:26:24,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:24,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922263542] [2024-11-28 02:26:24,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:24,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:26,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:26,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922263542] [2024-11-28 02:26:26,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922263542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:26,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:26,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:26,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320781249] [2024-11-28 02:26:26,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:26,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:26,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:26,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:26,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:26,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 479 [2024-11-28 02:26:26,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 450 transitions, 933 flow. Second operand has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:26,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:26,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 479 [2024-11-28 02:26:26,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:27,644 INFO L124 PetriNetUnfolderBase]: 321/1969 cut-off events. [2024-11-28 02:26:27,644 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-28 02:26:27,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2826 conditions, 1969 events. 321/1969 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10791 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2313. Up to 796 conditions per place. [2024-11-28 02:26:27,654 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 95 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-28 02:26:27,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 449 transitions, 1131 flow [2024-11-28 02:26:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2237 transitions. [2024-11-28 02:26:27,661 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.778357689631176 [2024-11-28 02:26:27,662 INFO L175 Difference]: Start difference. First operand has 453 places, 450 transitions, 933 flow. Second operand 6 states and 2237 transitions. [2024-11-28 02:26:27,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 449 transitions, 1131 flow [2024-11-28 02:26:27,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 449 transitions, 1121 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:27,672 INFO L231 Difference]: Finished difference. Result has 452 places, 449 transitions, 931 flow [2024-11-28 02:26:27,673 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=452, PETRI_TRANSITIONS=449} [2024-11-28 02:26:27,674 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -2 predicate places. [2024-11-28 02:26:27,674 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 449 transitions, 931 flow [2024-11-28 02:26:27,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:27,676 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:27,676 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] [2024-11-28 02:26:27,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:26:27,677 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:27,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:27,677 INFO L85 PathProgramCache]: Analyzing trace with hash -163815155, now seen corresponding path program 1 times [2024-11-28 02:26:27,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:27,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020767864] [2024-11-28 02:26:27,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:28,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020767864] [2024-11-28 02:26:28,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020767864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:28,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:28,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:28,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256284201] [2024-11-28 02:26:28,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:28,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:28,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:28,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:28,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:29,374 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 479 [2024-11-28 02:26:29,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 449 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:29,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:29,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 479 [2024-11-28 02:26:29,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:29,950 INFO L124 PetriNetUnfolderBase]: 321/1965 cut-off events. [2024-11-28 02:26:29,951 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-28 02:26:29,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2806 conditions, 1965 events. 321/1965 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10764 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2329. Up to 780 conditions per place. [2024-11-28 02:26:29,960 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 91 selfloop transitions, 5 changer transitions 0/448 dead transitions. [2024-11-28 02:26:29,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 448 transitions, 1121 flow [2024-11-28 02:26:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2257 transitions. [2024-11-28 02:26:29,968 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7853166318719554 [2024-11-28 02:26:29,968 INFO L175 Difference]: Start difference. First operand has 452 places, 449 transitions, 931 flow. Second operand 6 states and 2257 transitions. [2024-11-28 02:26:29,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 448 transitions, 1121 flow [2024-11-28 02:26:29,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 448 transitions, 1111 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:29,982 INFO L231 Difference]: Finished difference. Result has 451 places, 448 transitions, 929 flow [2024-11-28 02:26:29,983 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=929, PETRI_PLACES=451, PETRI_TRANSITIONS=448} [2024-11-28 02:26:29,986 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -3 predicate places. [2024-11-28 02:26:29,987 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 448 transitions, 929 flow [2024-11-28 02:26:29,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:29,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:29,990 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] [2024-11-28 02:26:29,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:26:29,990 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:29,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:29,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1146759065, now seen corresponding path program 1 times [2024-11-28 02:26:29,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:29,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100389683] [2024-11-28 02:26:29,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:29,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:31,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:31,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100389683] [2024-11-28 02:26:31,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100389683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:31,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:31,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009828390] [2024-11-28 02:26:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:31,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:31,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:31,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:31,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:31,879 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 479 [2024-11-28 02:26:31,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 448 transitions, 929 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:31,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:31,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 479 [2024-11-28 02:26:31,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:32,404 INFO L124 PetriNetUnfolderBase]: 321/1961 cut-off events. [2024-11-28 02:26:32,404 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-28 02:26:32,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2802 conditions, 1961 events. 321/1961 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10780 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2344. Up to 780 conditions per place. [2024-11-28 02:26:32,416 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 91 selfloop transitions, 5 changer transitions 0/447 dead transitions. [2024-11-28 02:26:32,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 447 transitions, 1119 flow [2024-11-28 02:26:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2257 transitions. [2024-11-28 02:26:32,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7853166318719554 [2024-11-28 02:26:32,424 INFO L175 Difference]: Start difference. First operand has 451 places, 448 transitions, 929 flow. Second operand 6 states and 2257 transitions. [2024-11-28 02:26:32,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 447 transitions, 1119 flow [2024-11-28 02:26:32,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 447 transitions, 1109 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:32,435 INFO L231 Difference]: Finished difference. Result has 450 places, 447 transitions, 927 flow [2024-11-28 02:26:32,436 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=927, PETRI_PLACES=450, PETRI_TRANSITIONS=447} [2024-11-28 02:26:32,437 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -4 predicate places. [2024-11-28 02:26:32,438 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 447 transitions, 927 flow [2024-11-28 02:26:32,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:32,440 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:32,440 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] [2024-11-28 02:26:32,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:26:32,440 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:32,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash -69387179, now seen corresponding path program 1 times [2024-11-28 02:26:32,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:32,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050676373] [2024-11-28 02:26:32,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:33,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:33,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050676373] [2024-11-28 02:26:33,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050676373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:33,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:33,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:33,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296755340] [2024-11-28 02:26:33,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:33,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:33,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:33,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:33,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:34,216 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 479 [2024-11-28 02:26:34,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 447 transitions, 927 flow. Second operand has 6 states, 6 states have (on average 362.5) internal successors, (2175), 6 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:34,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:34,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 479 [2024-11-28 02:26:34,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:34,989 INFO L124 PetriNetUnfolderBase]: 321/1957 cut-off events. [2024-11-28 02:26:34,990 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-28 02:26:34,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2818 conditions, 1957 events. 321/1957 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10712 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2357. Up to 800 conditions per place. [2024-11-28 02:26:35,000 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 96 selfloop transitions, 5 changer transitions 0/446 dead transitions. [2024-11-28 02:26:35,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 446 transitions, 1127 flow [2024-11-28 02:26:35,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2232 transitions. [2024-11-28 02:26:35,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7766179540709812 [2024-11-28 02:26:35,009 INFO L175 Difference]: Start difference. First operand has 450 places, 447 transitions, 927 flow. Second operand 6 states and 2232 transitions. [2024-11-28 02:26:35,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 446 transitions, 1127 flow [2024-11-28 02:26:35,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 446 transitions, 1117 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:35,021 INFO L231 Difference]: Finished difference. Result has 449 places, 446 transitions, 925 flow [2024-11-28 02:26:35,023 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=925, PETRI_PLACES=449, PETRI_TRANSITIONS=446} [2024-11-28 02:26:35,024 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, -5 predicate places. [2024-11-28 02:26:35,025 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 446 transitions, 925 flow [2024-11-28 02:26:35,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 362.5) internal successors, (2175), 6 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:35,026 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:35,026 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] [2024-11-28 02:26:35,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:26:35,026 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:35,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:35,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1022235272, now seen corresponding path program 1 times [2024-11-28 02:26:35,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:35,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885216984] [2024-11-28 02:26:35,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:35,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:26:35,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:35,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885216984] [2024-11-28 02:26:35,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885216984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:26:35,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996519246] [2024-11-28 02:26:35,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:35,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:26:35,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:26:35,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:26:35,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:26:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:35,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:26:35,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:26:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:26:36,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:26:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:26:36,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996519246] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:26:36,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:26:36,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 02:26:36,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390483153] [2024-11-28 02:26:36,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:26:36,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:26:36,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:36,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:26:36,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:26:36,318 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-28 02:26:36,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 446 transitions, 925 flow. Second operand has 10 states, 10 states have (on average 439.8) internal successors, (4398), 10 states have internal predecessors, (4398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:36,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:36,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-28 02:26:36,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:36,714 INFO L124 PetriNetUnfolderBase]: 16/978 cut-off events. [2024-11-28 02:26:36,714 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-28 02:26:36,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 978 events. 16/978 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1204 event pairs, 8 based on Foata normal form. 4/953 useless extension candidates. Maximal degree in co-relation 866. Up to 38 conditions per place. [2024-11-28 02:26:36,719 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 19 selfloop transitions, 9 changer transitions 0/454 dead transitions. [2024-11-28 02:26:36,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 454 transitions, 999 flow [2024-11-28 02:26:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:26:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:26:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3972 transitions. [2024-11-28 02:26:36,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9213639526791928 [2024-11-28 02:26:36,730 INFO L175 Difference]: Start difference. First operand has 449 places, 446 transitions, 925 flow. Second operand 9 states and 3972 transitions. [2024-11-28 02:26:36,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 454 transitions, 999 flow [2024-11-28 02:26:36,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 454 transitions, 989 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:36,739 INFO L231 Difference]: Finished difference. Result has 455 places, 452 transitions, 965 flow [2024-11-28 02:26:36,740 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=965, PETRI_PLACES=455, PETRI_TRANSITIONS=452} [2024-11-28 02:26:36,741 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 1 predicate places. [2024-11-28 02:26:36,741 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 452 transitions, 965 flow [2024-11-28 02:26:36,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 439.8) internal successors, (4398), 10 states have internal predecessors, (4398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:36,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:36,745 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] [2024-11-28 02:26:36,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:26:36,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:26:36,946 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:36,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:36,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1095565112, now seen corresponding path program 2 times [2024-11-28 02:26:36,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:36,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359267071] [2024-11-28 02:26:36,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:26:36,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:37,066 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:26:37,066 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:26:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-28 02:26:37,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:37,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359267071] [2024-11-28 02:26:37,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359267071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:37,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:37,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:37,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962104019] [2024-11-28 02:26:37,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:37,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:37,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:37,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:37,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:39,277 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-28 02:26:39,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 452 transitions, 965 flow. Second operand has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:39,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:39,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-28 02:26:39,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:39,871 INFO L124 PetriNetUnfolderBase]: 84/1295 cut-off events. [2024-11-28 02:26:39,871 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-11-28 02:26:39,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1719 conditions, 1295 events. 84/1295 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3118 event pairs, 64 based on Foata normal form. 0/1222 useless extension candidates. Maximal degree in co-relation 1064. Up to 355 conditions per place. [2024-11-28 02:26:39,876 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/451 dead transitions. [2024-11-28 02:26:39,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 451 transitions, 1097 flow [2024-11-28 02:26:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-28 02:26:39,883 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-28 02:26:39,883 INFO L175 Difference]: Start difference. First operand has 455 places, 452 transitions, 965 flow. Second operand 6 states and 2402 transitions. [2024-11-28 02:26:39,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 451 transitions, 1097 flow [2024-11-28 02:26:39,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 451 transitions, 1091 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 02:26:39,892 INFO L231 Difference]: Finished difference. Result has 458 places, 451 transitions, 967 flow [2024-11-28 02:26:39,893 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=967, PETRI_PLACES=458, PETRI_TRANSITIONS=451} [2024-11-28 02:26:39,893 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 4 predicate places. [2024-11-28 02:26:39,894 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 451 transitions, 967 flow [2024-11-28 02:26:39,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:39,895 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:39,895 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] [2024-11-28 02:26:39,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:26:39,896 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:39,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash -736303526, now seen corresponding path program 1 times [2024-11-28 02:26:39,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:39,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943964069] [2024-11-28 02:26:39,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:39,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-28 02:26:40,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:40,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943964069] [2024-11-28 02:26:40,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943964069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:26:40,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129444825] [2024-11-28 02:26:40,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:40,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:26:40,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:26:40,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:26:40,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:26:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:41,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:26:41,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:26:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 291 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 02:26:41,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:26:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 291 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 02:26:42,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129444825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:26:42,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:26:42,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-28 02:26:42,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164380786] [2024-11-28 02:26:42,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:26:42,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 02:26:42,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:42,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 02:26:42,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:26:42,739 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 479 [2024-11-28 02:26:42,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 451 transitions, 967 flow. Second operand has 19 states, 19 states have (on average 434.5263157894737) internal successors, (8256), 19 states have internal predecessors, (8256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:42,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:42,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 479 [2024-11-28 02:26:42,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:45,334 INFO L124 PetriNetUnfolderBase]: 17/2357 cut-off events. [2024-11-28 02:26:45,335 INFO L125 PetriNetUnfolderBase]: For 80/81 co-relation queries the response was YES. [2024-11-28 02:26:45,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2653 conditions, 2357 events. 17/2357 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1204 event pairs, 8 based on Foata normal form. 13/2342 useless extension candidates. Maximal degree in co-relation 2424. Up to 40 conditions per place. [2024-11-28 02:26:45,341 INFO L140 encePairwiseOnDemand]: 468/479 looper letters, 51 selfloop transitions, 68 changer transitions 0/537 dead transitions. [2024-11-28 02:26:45,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 537 transitions, 1615 flow [2024-11-28 02:26:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-28 02:26:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-28 02:26:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 27348 transitions. [2024-11-28 02:26:45,388 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9062531066706432 [2024-11-28 02:26:45,388 INFO L175 Difference]: Start difference. First operand has 458 places, 451 transitions, 967 flow. Second operand 63 states and 27348 transitions. [2024-11-28 02:26:45,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 537 transitions, 1615 flow [2024-11-28 02:26:45,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 537 transitions, 1605 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:45,401 INFO L231 Difference]: Finished difference. Result has 531 places, 513 transitions, 1477 flow [2024-11-28 02:26:45,402 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1477, PETRI_PLACES=531, PETRI_TRANSITIONS=513} [2024-11-28 02:26:45,403 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 77 predicate places. [2024-11-28 02:26:45,403 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 513 transitions, 1477 flow [2024-11-28 02:26:45,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 434.5263157894737) internal successors, (8256), 19 states have internal predecessors, (8256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:45,411 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:45,412 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] [2024-11-28 02:26:45,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:26:45,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:26:45,619 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:45,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:45,623 INFO L85 PathProgramCache]: Analyzing trace with hash -714945238, now seen corresponding path program 2 times [2024-11-28 02:26:45,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:45,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127987513] [2024-11-28 02:26:45,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:26:45,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:46,028 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:26:46,028 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:26:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 8837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8837 trivial. 0 not checked. [2024-11-28 02:26:46,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:46,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127987513] [2024-11-28 02:26:46,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127987513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:46,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:46,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:26:46,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307258703] [2024-11-28 02:26:46,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:46,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:26:46,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:46,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:26:46,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:26:47,692 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-28 02:26:47,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 513 transitions, 1477 flow. Second operand has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:47,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:47,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-28 02:26:47,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:49,187 INFO L124 PetriNetUnfolderBase]: 85/2674 cut-off events. [2024-11-28 02:26:49,187 INFO L125 PetriNetUnfolderBase]: For 436/440 co-relation queries the response was YES. [2024-11-28 02:26:49,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 2674 events. 85/2674 cut-off events. For 436/440 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3105 event pairs, 64 based on Foata normal form. 0/2602 useless extension candidates. Maximal degree in co-relation 3107. Up to 783 conditions per place. [2024-11-28 02:26:49,197 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/512 dead transitions. [2024-11-28 02:26:49,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 512 transitions, 1609 flow [2024-11-28 02:26:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:26:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:26:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-28 02:26:49,202 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-28 02:26:49,202 INFO L175 Difference]: Start difference. First operand has 531 places, 513 transitions, 1477 flow. Second operand 6 states and 2402 transitions. [2024-11-28 02:26:49,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 512 transitions, 1609 flow [2024-11-28 02:26:49,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 512 transitions, 1533 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-28 02:26:49,224 INFO L231 Difference]: Finished difference. Result has 528 places, 512 transitions, 1409 flow [2024-11-28 02:26:49,225 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1399, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1409, PETRI_PLACES=528, PETRI_TRANSITIONS=512} [2024-11-28 02:26:49,226 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 74 predicate places. [2024-11-28 02:26:49,227 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 512 transitions, 1409 flow [2024-11-28 02:26:49,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:49,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:49,229 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] [2024-11-28 02:26:49,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:26:49,230 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:49,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1026656145, now seen corresponding path program 1 times [2024-11-28 02:26:49,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:49,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708464659] [2024-11-28 02:26:49,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8922 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8922 trivial. 0 not checked. [2024-11-28 02:26:51,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:51,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708464659] [2024-11-28 02:26:51,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708464659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:51,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:51,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:26:51,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129066127] [2024-11-28 02:26:51,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:51,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:26:51,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:51,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:26:51,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:26:51,713 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-28 02:26:51,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 512 transitions, 1409 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:51,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:51,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-28 02:26:51,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:52,890 INFO L124 PetriNetUnfolderBase]: 40/2625 cut-off events. [2024-11-28 02:26:52,890 INFO L125 PetriNetUnfolderBase]: For 481/485 co-relation queries the response was YES. [2024-11-28 02:26:52,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3017 conditions, 2625 events. 40/2625 cut-off events. For 481/485 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3186 event pairs, 0 based on Foata normal form. 2/2564 useless extension candidates. Maximal degree in co-relation 2975. Up to 72 conditions per place. [2024-11-28 02:26:52,899 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-11-28 02:26:52,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 520 transitions, 1473 flow [2024-11-28 02:26:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:26:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:26:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1348 transitions. [2024-11-28 02:26:52,902 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9380654140570633 [2024-11-28 02:26:52,902 INFO L175 Difference]: Start difference. First operand has 528 places, 512 transitions, 1409 flow. Second operand 3 states and 1348 transitions. [2024-11-28 02:26:52,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 520 transitions, 1473 flow [2024-11-28 02:26:52,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 520 transitions, 1463 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:26:52,917 INFO L231 Difference]: Finished difference. Result has 526 places, 512 transitions, 1407 flow [2024-11-28 02:26:52,918 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1399, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1407, PETRI_PLACES=526, PETRI_TRANSITIONS=512} [2024-11-28 02:26:52,919 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 72 predicate places. [2024-11-28 02:26:52,919 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 512 transitions, 1407 flow [2024-11-28 02:26:52,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:52,920 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:52,920 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] [2024-11-28 02:26:52,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:26:52,921 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:52,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:52,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1833863934, now seen corresponding path program 1 times [2024-11-28 02:26:52,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:52,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872088711] [2024-11-28 02:26:52,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:52,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8922 backedges. 4786 proven. 2023 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2024-11-28 02:26:57,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:57,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872088711] [2024-11-28 02:26:57,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872088711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:26:57,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280177859] [2024-11-28 02:26:57,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:57,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:26:57,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:26:57,707 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:26:57,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:26:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:59,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 5710 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:26:59,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8922 backedges. 4786 proven. 2023 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2024-11-28 02:27:01,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:27:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8922 backedges. 4786 proven. 2023 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2024-11-28 02:27:02,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280177859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:27:02,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:27:02,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-28 02:27:02,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905066542] [2024-11-28 02:27:02,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:27:02,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 02:27:02,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:02,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 02:27:02,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 02:27:02,511 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-28 02:27:02,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 512 transitions, 1407 flow. Second operand has 34 states, 34 states have (on average 440.11764705882354) internal successors, (14964), 34 states have internal predecessors, (14964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:02,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:02,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-28 02:27:02,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:06,525 INFO L124 PetriNetUnfolderBase]: 16/4513 cut-off events. [2024-11-28 02:27:06,525 INFO L125 PetriNetUnfolderBase]: For 3212/3213 co-relation queries the response was YES. [2024-11-28 02:27:06,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5309 conditions, 4513 events. 16/4513 cut-off events. For 3212/3213 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1249 event pairs, 8 based on Foata normal form. 24/4512 useless extension candidates. Maximal degree in co-relation 5043. Up to 78 conditions per place. [2024-11-28 02:27:06,535 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 51 selfloop transitions, 135 changer transitions 0/613 dead transitions. [2024-11-28 02:27:06,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 613 transitions, 2543 flow [2024-11-28 02:27:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-28 02:27:06,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-28 02:27:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 19794 transitions. [2024-11-28 02:27:06,547 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9183020180932498 [2024-11-28 02:27:06,547 INFO L175 Difference]: Start difference. First operand has 526 places, 512 transitions, 1407 flow. Second operand 45 states and 19794 transitions. [2024-11-28 02:27:06,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 613 transitions, 2543 flow [2024-11-28 02:27:06,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 613 transitions, 2539 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:06,567 INFO L231 Difference]: Finished difference. Result has 577 places, 587 transitions, 2277 flow [2024-11-28 02:27:06,568 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2277, PETRI_PLACES=577, PETRI_TRANSITIONS=587} [2024-11-28 02:27:06,568 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 123 predicate places. [2024-11-28 02:27:06,568 INFO L471 AbstractCegarLoop]: Abstraction has has 577 places, 587 transitions, 2277 flow [2024-11-28 02:27:06,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 440.11764705882354) internal successors, (14964), 34 states have internal predecessors, (14964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:06,573 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:06,575 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] [2024-11-28 02:27:06,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:27:06,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:27:06,776 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:06,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:06,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1503579394, now seen corresponding path program 2 times [2024-11-28 02:27:06,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:06,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122692887] [2024-11-28 02:27:06,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:27:06,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:07,427 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:27:07,427 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:27:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 42122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42122 trivial. 0 not checked. [2024-11-28 02:27:07,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:07,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122692887] [2024-11-28 02:27:07,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122692887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:07,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:07,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:27:07,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417764639] [2024-11-28 02:27:07,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:07,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:27:07,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:07,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:27:07,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:27:08,399 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 479 [2024-11-28 02:27:08,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 577 places, 587 transitions, 2277 flow. Second operand has 6 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:08,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:08,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 479 [2024-11-28 02:27:08,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:17,828 INFO L124 PetriNetUnfolderBase]: 740/7076 cut-off events. [2024-11-28 02:27:17,828 INFO L125 PetriNetUnfolderBase]: For 1224/1238 co-relation queries the response was YES. [2024-11-28 02:27:17,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10879 conditions, 7076 events. 740/7076 cut-off events. For 1224/1238 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22825 event pairs, 315 based on Foata normal form. 4/6835 useless extension candidates. Maximal degree in co-relation 6548. Up to 2692 conditions per place. [2024-11-28 02:27:17,856 INFO L140 encePairwiseOnDemand]: 444/479 looper letters, 135 selfloop transitions, 118 changer transitions 0/736 dead transitions. [2024-11-28 02:27:17,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 736 transitions, 3082 flow [2024-11-28 02:27:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:27:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:27:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2372 transitions. [2024-11-28 02:27:17,861 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.825330549756437 [2024-11-28 02:27:17,862 INFO L175 Difference]: Start difference. First operand has 577 places, 587 transitions, 2277 flow. Second operand 6 states and 2372 transitions. [2024-11-28 02:27:17,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 736 transitions, 3082 flow [2024-11-28 02:27:17,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 736 transitions, 2974 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-28 02:27:17,902 INFO L231 Difference]: Finished difference. Result has 569 places, 704 transitions, 2944 flow [2024-11-28 02:27:17,903 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=2169, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2944, PETRI_PLACES=569, PETRI_TRANSITIONS=704} [2024-11-28 02:27:17,903 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 115 predicate places. [2024-11-28 02:27:17,904 INFO L471 AbstractCegarLoop]: Abstraction has has 569 places, 704 transitions, 2944 flow [2024-11-28 02:27:17,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:17,905 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:17,906 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] [2024-11-28 02:27:17,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:27:17,906 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:17,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:17,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1951781250, now seen corresponding path program 1 times [2024-11-28 02:27:17,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:17,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844975614] [2024-11-28 02:27:17,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:17,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 42122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42122 trivial. 0 not checked. [2024-11-28 02:27:25,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:25,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844975614] [2024-11-28 02:27:25,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844975614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:25,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:25,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:27:25,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597944976] [2024-11-28 02:27:25,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:25,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:27:25,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:25,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:27:25,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:27:25,178 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 479 [2024-11-28 02:27:25,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 704 transitions, 2944 flow. Second operand has 5 states, 5 states have (on average 440.6) internal successors, (2203), 5 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:25,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:25,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 479 [2024-11-28 02:27:25,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:28,794 INFO L124 PetriNetUnfolderBase]: 303/5697 cut-off events. [2024-11-28 02:27:28,794 INFO L125 PetriNetUnfolderBase]: For 1379/1421 co-relation queries the response was YES. [2024-11-28 02:27:28,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7495 conditions, 5697 events. 303/5697 cut-off events. For 1379/1421 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10003 event pairs, 0 based on Foata normal form. 10/5611 useless extension candidates. Maximal degree in co-relation 5024. Up to 368 conditions per place. [2024-11-28 02:27:28,809 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 34 selfloop transitions, 5 changer transitions 0/705 dead transitions. [2024-11-28 02:27:28,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 705 transitions, 3019 flow [2024-11-28 02:27:28,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:27:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:27:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2673 transitions. [2024-11-28 02:27:28,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.930062630480167 [2024-11-28 02:27:28,812 INFO L175 Difference]: Start difference. First operand has 569 places, 704 transitions, 2944 flow. Second operand 6 states and 2673 transitions. [2024-11-28 02:27:28,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 705 transitions, 3019 flow [2024-11-28 02:27:28,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 705 transitions, 3016 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:27:28,847 INFO L231 Difference]: Finished difference. Result has 551 places, 681 transitions, 2900 flow [2024-11-28 02:27:28,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=2890, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=681, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2900, PETRI_PLACES=551, PETRI_TRANSITIONS=681} [2024-11-28 02:27:28,848 INFO L279 CegarLoopForPetriNet]: 454 programPoint places, 97 predicate places. [2024-11-28 02:27:28,848 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 681 transitions, 2900 flow [2024-11-28 02:27:28,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 440.6) internal successors, (2203), 5 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:28,849 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:28,851 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, 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] [2024-11-28 02:27:28,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:27:28,851 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:28,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:28,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1142515456, now seen corresponding path program 1 times [2024-11-28 02:27:28,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:28,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079573391] [2024-11-28 02:27:28,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:28,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 42122 backedges. 21746 proven. 10095 refuted. 0 times theorem prover too weak. 10281 trivial. 0 not checked. [2024-11-28 02:27:45,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:45,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079573391] [2024-11-28 02:27:45,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079573391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:27:45,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080030690] [2024-11-28 02:27:45,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:45,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:27:45,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927738bb-bfeb-44c7-aba3-25ae4acfce70/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:27:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:50,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 11659 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 02:27:50,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 42122 backedges. 21746 proven. 10095 refuted. 0 times theorem prover too weak. 10281 trivial. 0 not checked. [2024-11-28 02:27:52,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:27:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 42122 backedges. 21746 proven. 10095 refuted. 0 times theorem prover too weak. 10281 trivial. 0 not checked. [2024-11-28 02:27:56,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080030690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:27:56,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:27:56,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-28 02:27:56,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887027336] [2024-11-28 02:27:56,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:27:56,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-28 02:27:56,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:56,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-28 02:27:56,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-28 02:27:56,328 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-28 02:27:56,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 681 transitions, 2900 flow. Second operand has 63 states, 63 states have (on average 440.1111111111111) internal successors, (27727), 63 states have internal predecessors, (27727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:56,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:56,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-28 02:27:56,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand