./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.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_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/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_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/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_8c4a809d-9912-421e-9a30-95a87edd8d0c/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 a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:34:07,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:34:07,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:34:07,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:34:07,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:34:07,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:34:07,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:34:07,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:34:07,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:34:07,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:34:07,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:34:07,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:34:07,670 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:34:07,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:34:07,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:34:07,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:34:07,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:34:07,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:34:07,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:34:07,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:34:07,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:34:07,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:34:07,674 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:34:07,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:34:07,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:34:07,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:34:07,675 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:34:07,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:34:07,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:34:07,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:34:07,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:34:07,676 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_8c4a809d-9912-421e-9a30-95a87edd8d0c/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 -> a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 [2024-11-27 20:34:07,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:34:07,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:34:07,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:34:07,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:34:07,946 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:34:07,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-11-27 20:34:10,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/data/99c8b03de/9fd65c2a18a4411b850a81e075ae96ea/FLAG1ba590e99 [2024-11-27 20:34:11,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:34:11,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-11-27 20:34:11,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/data/99c8b03de/9fd65c2a18a4411b850a81e075ae96ea/FLAG1ba590e99 [2024-11-27 20:34:11,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/data/99c8b03de/9fd65c2a18a4411b850a81e075ae96ea [2024-11-27 20:34:11,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:34:11,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:34:11,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:34:11,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:34:11,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:34:11,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7a022c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11, skipping insertion in model container [2024-11-27 20:34:11,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:34:11,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:34:11,724 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:34:11,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:34:11,814 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:34:11,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11 WrapperNode [2024-11-27 20:34:11,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:34:11,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:34:11,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:34:11,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:34:11,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,869 INFO L138 Inliner]: procedures = 186, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-11-27 20:34:11,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:34:11,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:34:11,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:34:11,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:34:11,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,890 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:34:11,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:34:11,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:34:11,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:34:11,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (1/1) ... [2024-11-27 20:34:11,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:34:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:11,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:11,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:34:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 20:34:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 20:34:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 20:34:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:34:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 20:34:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 20:34:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 20:34:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:34:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:34:11,983 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:34:12,133 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:34:12,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:34:12,456 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:34:12,456 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:34:12,499 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:34:12,499 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:34:12,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:12 BoogieIcfgContainer [2024-11-27 20:34:12,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:34:12,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:34:12,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:34:12,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:34:12,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:34:11" (1/3) ... [2024-11-27 20:34:12,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a1dbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:34:12, skipping insertion in model container [2024-11-27 20:34:12,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:11" (2/3) ... [2024-11-27 20:34:12,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a1dbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:34:12, skipping insertion in model container [2024-11-27 20:34:12,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:12" (3/3) ... [2024-11-27 20:34:12,513 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2024-11-27 20:34:12,530 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:34:12,532 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_15-list_entry_nr.i that has 2 procedures, 112 locations, 1 initial locations, 0 loop locations, and 9 error locations. [2024-11-27 20:34:12,532 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:34:12,634 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 20:34:12,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 111 transitions, 226 flow [2024-11-27 20:34:12,761 INFO L124 PetriNetUnfolderBase]: 0/110 cut-off events. [2024-11-27 20:34:12,764 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:34:12,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 110 events. 0/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-27 20:34:12,767 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 111 transitions, 226 flow [2024-11-27 20:34:12,771 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 110 transitions, 223 flow [2024-11-27 20:34:12,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:34:12,791 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;@7e607316, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:34:12,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-27 20:34:12,799 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:34:12,800 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-27 20:34:12,800 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:34:12,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:12,800 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:12,801 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:12,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:12,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1145957465, now seen corresponding path program 1 times [2024-11-27 20:34:12,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:12,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508749941] [2024-11-27 20:34:12,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:12,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:13,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:13,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508749941] [2024-11-27 20:34:13,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508749941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:13,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:13,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:13,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191501097] [2024-11-27 20:34:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:13,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:13,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:13,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:13,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:13,103 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-11-27 20:34:13,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 110 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-27 20:34:13,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:13,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-11-27 20:34:13,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:13,234 INFO L124 PetriNetUnfolderBase]: 12/257 cut-off events. [2024-11-27 20:34:13,234 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:34:13,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 257 events. 12/257 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 709 event pairs, 12 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 252. Up to 37 conditions per place. [2024-11-27 20:34:13,238 INFO L140 encePairwiseOnDemand]: 108/111 looper letters, 12 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-11-27 20:34:13,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 109 transitions, 249 flow [2024-11-27 20:34:13,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-27 20:34:13,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-11-27 20:34:13,255 INFO L175 Difference]: Start difference. First operand has 114 places, 110 transitions, 223 flow. Second operand 3 states and 303 transitions. [2024-11-27 20:34:13,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 109 transitions, 249 flow [2024-11-27 20:34:13,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:34:13,267 INFO L231 Difference]: Finished difference. Result has 114 places, 109 transitions, 224 flow [2024-11-27 20:34:13,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=114, PETRI_TRANSITIONS=109} [2024-11-27 20:34:13,273 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-11-27 20:34:13,274 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 109 transitions, 224 flow [2024-11-27 20:34:13,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-27 20:34:13,274 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:13,274 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:13,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:34:13,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:13,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:13,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1477363984, now seen corresponding path program 1 times [2024-11-27 20:34:13,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:13,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38358932] [2024-11-27 20:34:13,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:13,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:13,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:13,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38358932] [2024-11-27 20:34:13,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38358932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:13,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:13,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:34:13,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725271133] [2024-11-27 20:34:13,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:13,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:34:13,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:13,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:34:13,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:34:13,400 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-11-27 20:34:13,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 109 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2024-11-27 20:34:13,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:13,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-11-27 20:34:13,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:13,498 INFO L124 PetriNetUnfolderBase]: 16/291 cut-off events. [2024-11-27 20:34:13,499 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:34:13,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 291 events. 16/291 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1012 event pairs, 16 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 323. Up to 43 conditions per place. [2024-11-27 20:34:13,501 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 11 selfloop transitions, 1 changer transitions 0/106 dead transitions. [2024-11-27 20:34:13,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 106 transitions, 242 flow [2024-11-27 20:34:13,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:34:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:34:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-27 20:34:13,503 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-11-27 20:34:13,503 INFO L175 Difference]: Start difference. First operand has 114 places, 109 transitions, 224 flow. Second operand 3 states and 303 transitions. [2024-11-27 20:34:13,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 106 transitions, 242 flow [2024-11-27 20:34:13,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 106 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:34:13,506 INFO L231 Difference]: Finished difference. Result has 111 places, 106 transitions, 216 flow [2024-11-27 20:34:13,507 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=111, PETRI_TRANSITIONS=106} [2024-11-27 20:34:13,507 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, -3 predicate places. [2024-11-27 20:34:13,508 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 106 transitions, 216 flow [2024-11-27 20:34:13,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2024-11-27 20:34:13,508 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:13,508 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] [2024-11-27 20:34:13,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:34:13,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:13,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:13,509 INFO L85 PathProgramCache]: Analyzing trace with hash 227862726, now seen corresponding path program 1 times [2024-11-27 20:34:13,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:13,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071413721] [2024-11-27 20:34:13,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:13,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:14,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:14,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071413721] [2024-11-27 20:34:14,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071413721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:14,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:14,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:34:14,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451154791] [2024-11-27 20:34:14,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:14,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:34:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:14,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:34:14,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:34:14,381 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 111 [2024-11-27 20:34:14,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 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) [2024-11-27 20:34:14,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:14,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 111 [2024-11-27 20:34:14,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:14,528 INFO L124 PetriNetUnfolderBase]: 100/544 cut-off events. [2024-11-27 20:34:14,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:34:14,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 781 conditions, 544 events. 100/544 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2874 event pairs, 100 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 763. Up to 227 conditions per place. [2024-11-27 20:34:14,535 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 26 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2024-11-27 20:34:14,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 105 transitions, 276 flow [2024-11-27 20:34:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:34:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:34:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 506 transitions. [2024-11-27 20:34:14,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7597597597597597 [2024-11-27 20:34:14,540 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 216 flow. Second operand 6 states and 506 transitions. [2024-11-27 20:34:14,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 105 transitions, 276 flow [2024-11-27 20:34:14,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 105 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:34:14,544 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 223 flow [2024-11-27 20:34:14,546 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=223, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2024-11-27 20:34:14,547 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-11-27 20:34:14,547 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 223 flow [2024-11-27 20:34:14,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 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) [2024-11-27 20:34:14,549 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:14,549 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] [2024-11-27 20:34:14,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:34:14,550 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:14,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash 452530334, now seen corresponding path program 1 times [2024-11-27 20:34:14,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:14,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124857944] [2024-11-27 20:34:14,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:14,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:15,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:15,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124857944] [2024-11-27 20:34:15,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124857944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:15,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:15,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:34:15,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603941523] [2024-11-27 20:34:15,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:15,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:34:15,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:15,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:34:15,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:34:15,333 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-11-27 20:34:15,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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) [2024-11-27 20:34:15,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:15,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-11-27 20:34:15,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:15,538 INFO L124 PetriNetUnfolderBase]: 114/573 cut-off events. [2024-11-27 20:34:15,538 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:34:15,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 573 events. 114/573 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3160 event pairs, 61 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 826. Up to 211 conditions per place. [2024-11-27 20:34:15,542 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 34 selfloop transitions, 22 changer transitions 0/134 dead transitions. [2024-11-27 20:34:15,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 134 transitions, 393 flow [2024-11-27 20:34:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:34:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:34:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-11-27 20:34:15,545 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-11-27 20:34:15,545 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 223 flow. Second operand 6 states and 561 transitions. [2024-11-27 20:34:15,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 134 transitions, 393 flow [2024-11-27 20:34:15,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 134 transitions, 383 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:34:15,553 INFO L231 Difference]: Finished difference. Result has 119 places, 126 transitions, 363 flow [2024-11-27 20:34:15,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=363, PETRI_PLACES=119, PETRI_TRANSITIONS=126} [2024-11-27 20:34:15,554 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 5 predicate places. [2024-11-27 20:34:15,554 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 126 transitions, 363 flow [2024-11-27 20:34:15,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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) [2024-11-27 20:34:15,555 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:15,555 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] [2024-11-27 20:34:15,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:34:15,555 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:15,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:15,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1521815766, now seen corresponding path program 1 times [2024-11-27 20:34:15,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:15,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301718535] [2024-11-27 20:34:15,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:15,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:15,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:15,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301718535] [2024-11-27 20:34:15,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301718535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:15,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:15,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:34:15,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760145557] [2024-11-27 20:34:15,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:15,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:34:15,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:15,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:34:15,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:34:16,220 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-11-27 20:34:16,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 126 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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) [2024-11-27 20:34:16,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:16,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-11-27 20:34:16,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:16,460 INFO L124 PetriNetUnfolderBase]: 152/680 cut-off events. [2024-11-27 20:34:16,461 INFO L125 PetriNetUnfolderBase]: For 133/153 co-relation queries the response was YES. [2024-11-27 20:34:16,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 680 events. 152/680 cut-off events. For 133/153 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4006 event pairs, 61 based on Foata normal form. 5/655 useless extension candidates. Maximal degree in co-relation 1181. Up to 268 conditions per place. [2024-11-27 20:34:16,465 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 47 selfloop transitions, 26 changer transitions 0/155 dead transitions. [2024-11-27 20:34:16,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 155 transitions, 585 flow [2024-11-27 20:34:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:34:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:34:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-11-27 20:34:16,468 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-11-27 20:34:16,468 INFO L175 Difference]: Start difference. First operand has 119 places, 126 transitions, 363 flow. Second operand 6 states and 561 transitions. [2024-11-27 20:34:16,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 155 transitions, 585 flow [2024-11-27 20:34:16,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 155 transitions, 585 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:16,478 INFO L231 Difference]: Finished difference. Result has 129 places, 147 transitions, 547 flow [2024-11-27 20:34:16,479 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=547, PETRI_PLACES=129, PETRI_TRANSITIONS=147} [2024-11-27 20:34:16,481 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 15 predicate places. [2024-11-27 20:34:16,481 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 147 transitions, 547 flow [2024-11-27 20:34:16,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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) [2024-11-27 20:34:16,481 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:16,481 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] [2024-11-27 20:34:16,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:34:16,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:16,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:16,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1875655331, now seen corresponding path program 1 times [2024-11-27 20:34:16,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:16,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018513062] [2024-11-27 20:34:16,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:16,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:16,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018513062] [2024-11-27 20:34:16,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018513062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:16,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:16,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:34:16,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074045724] [2024-11-27 20:34:16,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:16,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:34:16,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:16,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:34:16,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:34:17,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-11-27 20:34:17,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 147 transitions, 547 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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) [2024-11-27 20:34:17,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:17,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-11-27 20:34:17,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:17,422 INFO L124 PetriNetUnfolderBase]: 292/1078 cut-off events. [2024-11-27 20:34:17,422 INFO L125 PetriNetUnfolderBase]: For 577/599 co-relation queries the response was YES. [2024-11-27 20:34:17,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2445 conditions, 1078 events. 292/1078 cut-off events. For 577/599 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6912 event pairs, 101 based on Foata normal form. 9/1039 useless extension candidates. Maximal degree in co-relation 2418. Up to 532 conditions per place. [2024-11-27 20:34:17,429 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 72 selfloop transitions, 53 changer transitions 4/202 dead transitions. [2024-11-27 20:34:17,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 202 transitions, 1049 flow [2024-11-27 20:34:17,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:34:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:34:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-11-27 20:34:17,431 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-11-27 20:34:17,431 INFO L175 Difference]: Start difference. First operand has 129 places, 147 transitions, 547 flow. Second operand 6 states and 547 transitions. [2024-11-27 20:34:17,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 202 transitions, 1049 flow [2024-11-27 20:34:17,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 202 transitions, 1049 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:17,440 INFO L231 Difference]: Finished difference. Result has 139 places, 194 transitions, 1029 flow [2024-11-27 20:34:17,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1029, PETRI_PLACES=139, PETRI_TRANSITIONS=194} [2024-11-27 20:34:17,441 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 25 predicate places. [2024-11-27 20:34:17,441 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 194 transitions, 1029 flow [2024-11-27 20:34:17,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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) [2024-11-27 20:34:17,442 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:17,442 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] [2024-11-27 20:34:17,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:34:17,442 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:17,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash 134748965, now seen corresponding path program 1 times [2024-11-27 20:34:17,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:17,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984517224] [2024-11-27 20:34:17,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:17,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:17,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:17,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984517224] [2024-11-27 20:34:17,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984517224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:17,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:17,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:34:17,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024270002] [2024-11-27 20:34:17,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:17,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:34:17,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:17,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:34:17,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:34:18,011 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-11-27 20:34:18,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 194 transitions, 1029 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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) [2024-11-27 20:34:18,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:18,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-11-27 20:34:18,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:18,366 INFO L124 PetriNetUnfolderBase]: 396/1383 cut-off events. [2024-11-27 20:34:18,366 INFO L125 PetriNetUnfolderBase]: For 1620/1661 co-relation queries the response was YES. [2024-11-27 20:34:18,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3760 conditions, 1383 events. 396/1383 cut-off events. For 1620/1661 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9387 event pairs, 107 based on Foata normal form. 4/1351 useless extension candidates. Maximal degree in co-relation 3728. Up to 677 conditions per place. [2024-11-27 20:34:18,375 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 109 selfloop transitions, 61 changer transitions 10/255 dead transitions. [2024-11-27 20:34:18,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 255 transitions, 1735 flow [2024-11-27 20:34:18,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:34:18,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:34:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-11-27 20:34:18,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-11-27 20:34:18,378 INFO L175 Difference]: Start difference. First operand has 139 places, 194 transitions, 1029 flow. Second operand 6 states and 547 transitions. [2024-11-27 20:34:18,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 255 transitions, 1735 flow [2024-11-27 20:34:18,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 255 transitions, 1671 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:18,395 INFO L231 Difference]: Finished difference. Result has 149 places, 241 transitions, 1551 flow [2024-11-27 20:34:18,395 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1551, PETRI_PLACES=149, PETRI_TRANSITIONS=241} [2024-11-27 20:34:18,396 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 35 predicate places. [2024-11-27 20:34:18,396 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 241 transitions, 1551 flow [2024-11-27 20:34:18,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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) [2024-11-27 20:34:18,397 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:18,397 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] [2024-11-27 20:34:18,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:34:18,397 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:18,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:18,398 INFO L85 PathProgramCache]: Analyzing trace with hash -895514428, now seen corresponding path program 1 times [2024-11-27 20:34:18,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:18,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820628119] [2024-11-27 20:34:18,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:18,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:19,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:19,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820628119] [2024-11-27 20:34:19,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820628119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:19,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:19,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:19,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317411662] [2024-11-27 20:34:19,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:19,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:19,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:19,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:19,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:20,911 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:20,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 241 transitions, 1551 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:20,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:20,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:20,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:21,879 INFO L124 PetriNetUnfolderBase]: 620/2296 cut-off events. [2024-11-27 20:34:21,879 INFO L125 PetriNetUnfolderBase]: For 2949/3000 co-relation queries the response was YES. [2024-11-27 20:34:21,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6499 conditions, 2296 events. 620/2296 cut-off events. For 2949/3000 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 18424 event pairs, 36 based on Foata normal form. 6/2288 useless extension candidates. Maximal degree in co-relation 6457. Up to 368 conditions per place. [2024-11-27 20:34:21,900 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 40 selfloop transitions, 18 changer transitions 18/288 dead transitions. [2024-11-27 20:34:21,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 288 transitions, 1797 flow [2024-11-27 20:34:21,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1143 transitions. [2024-11-27 20:34:21,904 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7920997920997921 [2024-11-27 20:34:21,904 INFO L175 Difference]: Start difference. First operand has 149 places, 241 transitions, 1551 flow. Second operand 13 states and 1143 transitions. [2024-11-27 20:34:21,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 288 transitions, 1797 flow [2024-11-27 20:34:21,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 288 transitions, 1729 flow, removed 34 selfloop flow, removed 0 redundant places. [2024-11-27 20:34:21,952 INFO L231 Difference]: Finished difference. Result has 168 places, 250 transitions, 1582 flow [2024-11-27 20:34:21,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1483, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1582, PETRI_PLACES=168, PETRI_TRANSITIONS=250} [2024-11-27 20:34:21,956 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 54 predicate places. [2024-11-27 20:34:21,957 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 250 transitions, 1582 flow [2024-11-27 20:34:21,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:21,957 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:21,960 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] [2024-11-27 20:34:21,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:34:21,960 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:21,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:21,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2121954808, now seen corresponding path program 2 times [2024-11-27 20:34:21,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:21,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161477097] [2024-11-27 20:34:21,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:34:21,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:22,013 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:34:22,014 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:23,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:23,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161477097] [2024-11-27 20:34:23,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161477097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:23,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:23,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:23,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831744663] [2024-11-27 20:34:23,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:23,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:23,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:23,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:23,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:24,038 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:24,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 250 transitions, 1582 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:24,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:24,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:24,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:24,899 INFO L124 PetriNetUnfolderBase]: 620/2370 cut-off events. [2024-11-27 20:34:24,900 INFO L125 PetriNetUnfolderBase]: For 3341/3420 co-relation queries the response was YES. [2024-11-27 20:34:24,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7125 conditions, 2370 events. 620/2370 cut-off events. For 3341/3420 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 19157 event pairs, 37 based on Foata normal form. 13/2374 useless extension candidates. Maximal degree in co-relation 7072. Up to 366 conditions per place. [2024-11-27 20:34:24,922 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 34 selfloop transitions, 23 changer transitions 24/293 dead transitions. [2024-11-27 20:34:24,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 293 transitions, 1914 flow [2024-11-27 20:34:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-27 20:34:24,926 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-27 20:34:24,926 INFO L175 Difference]: Start difference. First operand has 168 places, 250 transitions, 1582 flow. Second operand 13 states and 1139 transitions. [2024-11-27 20:34:24,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 293 transitions, 1914 flow [2024-11-27 20:34:24,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 293 transitions, 1889 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:34:24,962 INFO L231 Difference]: Finished difference. Result has 177 places, 250 transitions, 1625 flow [2024-11-27 20:34:24,962 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1565, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1625, PETRI_PLACES=177, PETRI_TRANSITIONS=250} [2024-11-27 20:34:24,963 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 63 predicate places. [2024-11-27 20:34:24,963 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 250 transitions, 1625 flow [2024-11-27 20:34:24,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:24,964 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:24,964 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] [2024-11-27 20:34:24,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:34:24,965 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:24,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:24,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1450919672, now seen corresponding path program 3 times [2024-11-27 20:34:24,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:24,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397762749] [2024-11-27 20:34:24,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:34:24,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:24,995 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:34:24,995 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:25,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:25,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397762749] [2024-11-27 20:34:25,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397762749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:25,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:25,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:25,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68438565] [2024-11-27 20:34:25,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:25,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:25,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:25,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:25,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:26,553 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:26,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 250 transitions, 1625 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:26,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:26,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:26,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:27,403 INFO L124 PetriNetUnfolderBase]: 563/2153 cut-off events. [2024-11-27 20:34:27,403 INFO L125 PetriNetUnfolderBase]: For 3517/3608 co-relation queries the response was YES. [2024-11-27 20:34:27,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6757 conditions, 2153 events. 563/2153 cut-off events. For 3517/3608 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 17008 event pairs, 21 based on Foata normal form. 12/2159 useless extension candidates. Maximal degree in co-relation 6700. Up to 368 conditions per place. [2024-11-27 20:34:27,475 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 42 selfloop transitions, 19 changer transitions 16/289 dead transitions. [2024-11-27 20:34:27,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 289 transitions, 2009 flow [2024-11-27 20:34:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1137 transitions. [2024-11-27 20:34:27,479 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7879417879417879 [2024-11-27 20:34:27,479 INFO L175 Difference]: Start difference. First operand has 177 places, 250 transitions, 1625 flow. Second operand 13 states and 1137 transitions. [2024-11-27 20:34:27,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 289 transitions, 2009 flow [2024-11-27 20:34:27,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 289 transitions, 1909 flow, removed 9 selfloop flow, removed 11 redundant places. [2024-11-27 20:34:27,510 INFO L231 Difference]: Finished difference. Result has 182 places, 255 transitions, 1673 flow [2024-11-27 20:34:27,511 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1579, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1673, PETRI_PLACES=182, PETRI_TRANSITIONS=255} [2024-11-27 20:34:27,512 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 68 predicate places. [2024-11-27 20:34:27,512 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 255 transitions, 1673 flow [2024-11-27 20:34:27,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:27,513 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:27,513 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:34:27,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:34:27,513 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:27,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:27,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1466922172, now seen corresponding path program 4 times [2024-11-27 20:34:27,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:27,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725326867] [2024-11-27 20:34:27,516 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:34:27,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:27,545 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:34:27,545 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:28,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:28,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725326867] [2024-11-27 20:34:28,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725326867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:28,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:28,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-27 20:34:28,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147403638] [2024-11-27 20:34:28,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:28,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 20:34:28,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:28,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 20:34:28,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:34:29,444 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-27 20:34:29,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 255 transitions, 1673 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:34:29,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:29,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-27 20:34:29,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:31,772 INFO L124 PetriNetUnfolderBase]: 1519/4720 cut-off events. [2024-11-27 20:34:31,773 INFO L125 PetriNetUnfolderBase]: For 13840/14121 co-relation queries the response was YES. [2024-11-27 20:34:31,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17370 conditions, 4720 events. 1519/4720 cut-off events. For 13840/14121 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 41610 event pairs, 108 based on Foata normal form. 104/4798 useless extension candidates. Maximal degree in co-relation 17312. Up to 1137 conditions per place. [2024-11-27 20:34:31,834 INFO L140 encePairwiseOnDemand]: 86/111 looper letters, 454 selfloop transitions, 120 changer transitions 45/711 dead transitions. [2024-11-27 20:34:31,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 711 transitions, 6720 flow [2024-11-27 20:34:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 20:34:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-27 20:34:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2023 transitions. [2024-11-27 20:34:31,841 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.729009009009009 [2024-11-27 20:34:31,841 INFO L175 Difference]: Start difference. First operand has 182 places, 255 transitions, 1673 flow. Second operand 25 states and 2023 transitions. [2024-11-27 20:34:31,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 711 transitions, 6720 flow [2024-11-27 20:34:31,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 711 transitions, 6577 flow, removed 61 selfloop flow, removed 9 redundant places. [2024-11-27 20:34:31,934 INFO L231 Difference]: Finished difference. Result has 215 places, 356 transitions, 3121 flow [2024-11-27 20:34:31,935 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1633, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3121, PETRI_PLACES=215, PETRI_TRANSITIONS=356} [2024-11-27 20:34:31,936 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 101 predicate places. [2024-11-27 20:34:31,936 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 356 transitions, 3121 flow [2024-11-27 20:34:31,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:34:31,939 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:31,939 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] [2024-11-27 20:34:31,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:34:31,939 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:31,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:31,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1614284322, now seen corresponding path program 5 times [2024-11-27 20:34:31,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:31,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924603216] [2024-11-27 20:34:31,940 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:34:31,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:31,975 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:34:31,975 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:32,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:32,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924603216] [2024-11-27 20:34:32,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924603216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:32,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:32,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:32,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038946167] [2024-11-27 20:34:32,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:32,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:32,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:32,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:32,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:33,577 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:33,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 356 transitions, 3121 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:33,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:33,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:33,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:34,918 INFO L124 PetriNetUnfolderBase]: 1371/4716 cut-off events. [2024-11-27 20:34:34,918 INFO L125 PetriNetUnfolderBase]: For 13591/13828 co-relation queries the response was YES. [2024-11-27 20:34:35,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16669 conditions, 4716 events. 1371/4716 cut-off events. For 13591/13828 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 44986 event pairs, 57 based on Foata normal form. 38/4738 useless extension candidates. Maximal degree in co-relation 16595. Up to 884 conditions per place. [2024-11-27 20:34:35,016 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 64 selfloop transitions, 29 changer transitions 6/385 dead transitions. [2024-11-27 20:34:35,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 385 transitions, 3516 flow [2024-11-27 20:34:35,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-11-27 20:34:35,019 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-11-27 20:34:35,019 INFO L175 Difference]: Start difference. First operand has 215 places, 356 transitions, 3121 flow. Second operand 13 states and 1132 transitions. [2024-11-27 20:34:35,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 385 transitions, 3516 flow [2024-11-27 20:34:35,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 385 transitions, 3443 flow, removed 25 selfloop flow, removed 4 redundant places. [2024-11-27 20:34:35,138 INFO L231 Difference]: Finished difference. Result has 226 places, 359 transitions, 3159 flow [2024-11-27 20:34:35,138 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3061, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3159, PETRI_PLACES=226, PETRI_TRANSITIONS=359} [2024-11-27 20:34:35,139 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 112 predicate places. [2024-11-27 20:34:35,139 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 359 transitions, 3159 flow [2024-11-27 20:34:35,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:35,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:35,140 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] [2024-11-27 20:34:35,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:34:35,140 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:35,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:35,141 INFO L85 PathProgramCache]: Analyzing trace with hash -2013641010, now seen corresponding path program 6 times [2024-11-27 20:34:35,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:35,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375248933] [2024-11-27 20:34:35,141 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:34:35,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:35,223 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:34:35,223 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:36,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375248933] [2024-11-27 20:34:36,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375248933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:36,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:36,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:36,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068662046] [2024-11-27 20:34:36,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:36,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:36,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:36,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:36,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:37,077 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:37,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 359 transitions, 3159 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:37,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:37,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:37,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:38,342 INFO L124 PetriNetUnfolderBase]: 1642/5628 cut-off events. [2024-11-27 20:34:38,342 INFO L125 PetriNetUnfolderBase]: For 16651/16962 co-relation queries the response was YES. [2024-11-27 20:34:38,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20111 conditions, 5628 events. 1642/5628 cut-off events. For 16651/16962 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 55780 event pairs, 76 based on Foata normal form. 31/5638 useless extension candidates. Maximal degree in co-relation 20032. Up to 1023 conditions per place. [2024-11-27 20:34:38,380 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 69 selfloop transitions, 35 changer transitions 4/394 dead transitions. [2024-11-27 20:34:38,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 394 transitions, 3669 flow [2024-11-27 20:34:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-11-27 20:34:38,383 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-11-27 20:34:38,383 INFO L175 Difference]: Start difference. First operand has 226 places, 359 transitions, 3159 flow. Second operand 13 states and 1132 transitions. [2024-11-27 20:34:38,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 394 transitions, 3669 flow [2024-11-27 20:34:38,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 394 transitions, 3596 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-27 20:34:38,531 INFO L231 Difference]: Finished difference. Result has 234 places, 367 transitions, 3311 flow [2024-11-27 20:34:38,532 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3107, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3311, PETRI_PLACES=234, PETRI_TRANSITIONS=367} [2024-11-27 20:34:38,533 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 120 predicate places. [2024-11-27 20:34:38,533 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 367 transitions, 3311 flow [2024-11-27 20:34:38,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:38,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:38,533 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] [2024-11-27 20:34:38,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:34:38,534 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:38,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:38,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1085975770, now seen corresponding path program 7 times [2024-11-27 20:34:38,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:38,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399087912] [2024-11-27 20:34:38,535 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:34:38,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:39,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:39,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:39,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399087912] [2024-11-27 20:34:39,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399087912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:39,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:39,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:39,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753087994] [2024-11-27 20:34:39,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:39,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:39,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:39,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:39,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:39,901 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:39,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 367 transitions, 3311 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:39,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:39,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:39,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:41,319 INFO L124 PetriNetUnfolderBase]: 1909/6539 cut-off events. [2024-11-27 20:34:41,319 INFO L125 PetriNetUnfolderBase]: For 20656/20974 co-relation queries the response was YES. [2024-11-27 20:34:41,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23642 conditions, 6539 events. 1909/6539 cut-off events. For 20656/20974 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66790 event pairs, 85 based on Foata normal form. 44/6558 useless extension candidates. Maximal degree in co-relation 23558. Up to 1195 conditions per place. [2024-11-27 20:34:41,384 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 72 selfloop transitions, 36 changer transitions 4/398 dead transitions. [2024-11-27 20:34:41,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 398 transitions, 3833 flow [2024-11-27 20:34:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-11-27 20:34:41,388 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-11-27 20:34:41,388 INFO L175 Difference]: Start difference. First operand has 234 places, 367 transitions, 3311 flow. Second operand 13 states and 1131 transitions. [2024-11-27 20:34:41,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 398 transitions, 3833 flow [2024-11-27 20:34:41,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 398 transitions, 3751 flow, removed 21 selfloop flow, removed 8 redundant places. [2024-11-27 20:34:41,589 INFO L231 Difference]: Finished difference. Result has 241 places, 375 transitions, 3463 flow [2024-11-27 20:34:41,589 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3252, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3463, PETRI_PLACES=241, PETRI_TRANSITIONS=375} [2024-11-27 20:34:41,590 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 127 predicate places. [2024-11-27 20:34:41,590 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 375 transitions, 3463 flow [2024-11-27 20:34:41,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:41,591 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:41,591 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] [2024-11-27 20:34:41,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:34:41,591 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:41,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:41,592 INFO L85 PathProgramCache]: Analyzing trace with hash -937140688, now seen corresponding path program 8 times [2024-11-27 20:34:41,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:41,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487058518] [2024-11-27 20:34:41,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:34:41,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:41,613 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:34:41,613 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:42,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:42,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487058518] [2024-11-27 20:34:42,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487058518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:42,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:42,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624444937] [2024-11-27 20:34:42,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:42,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:42,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:42,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:42,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:43,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:43,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 375 transitions, 3463 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:43,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:43,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:43,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:44,517 INFO L124 PetriNetUnfolderBase]: 1910/6540 cut-off events. [2024-11-27 20:34:44,517 INFO L125 PetriNetUnfolderBase]: For 22396/22768 co-relation queries the response was YES. [2024-11-27 20:34:44,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23914 conditions, 6540 events. 1910/6540 cut-off events. For 22396/22768 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66813 event pairs, 83 based on Foata normal form. 48/6563 useless extension candidates. Maximal degree in co-relation 23827. Up to 1187 conditions per place. [2024-11-27 20:34:44,583 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 73 selfloop transitions, 37 changer transitions 5/401 dead transitions. [2024-11-27 20:34:44,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 401 transitions, 3930 flow [2024-11-27 20:34:44,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:44,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-27 20:34:44,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-27 20:34:44,586 INFO L175 Difference]: Start difference. First operand has 241 places, 375 transitions, 3463 flow. Second operand 13 states and 1135 transitions. [2024-11-27 20:34:44,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 401 transitions, 3930 flow [2024-11-27 20:34:44,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 401 transitions, 3847 flow, removed 18 selfloop flow, removed 8 redundant places. [2024-11-27 20:34:45,067 INFO L231 Difference]: Finished difference. Result has 249 places, 378 transitions, 3545 flow [2024-11-27 20:34:45,068 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3390, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3545, PETRI_PLACES=249, PETRI_TRANSITIONS=378} [2024-11-27 20:34:45,068 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 135 predicate places. [2024-11-27 20:34:45,068 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 378 transitions, 3545 flow [2024-11-27 20:34:45,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:45,069 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:45,069 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] [2024-11-27 20:34:45,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:34:45,069 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:45,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:45,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1553215992, now seen corresponding path program 9 times [2024-11-27 20:34:45,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:45,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135831244] [2024-11-27 20:34:45,070 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:34:45,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:45,094 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:34:45,094 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:45,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:45,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135831244] [2024-11-27 20:34:45,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135831244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:45,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:45,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:45,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990443900] [2024-11-27 20:34:45,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:45,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:45,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:45,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:45,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:46,261 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:46,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 378 transitions, 3545 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:46,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:46,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:46,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:47,518 INFO L124 PetriNetUnfolderBase]: 1911/6515 cut-off events. [2024-11-27 20:34:47,518 INFO L125 PetriNetUnfolderBase]: For 23505/23870 co-relation queries the response was YES. [2024-11-27 20:34:47,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24019 conditions, 6515 events. 1911/6515 cut-off events. For 23505/23870 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66525 event pairs, 88 based on Foata normal form. 40/6528 useless extension candidates. Maximal degree in co-relation 23928. Up to 1197 conditions per place. [2024-11-27 20:34:47,580 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 77 selfloop transitions, 31 changer transitions 3/397 dead transitions. [2024-11-27 20:34:47,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 397 transitions, 3963 flow [2024-11-27 20:34:47,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-11-27 20:34:47,583 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-11-27 20:34:47,583 INFO L175 Difference]: Start difference. First operand has 249 places, 378 transitions, 3545 flow. Second operand 13 states and 1138 transitions. [2024-11-27 20:34:47,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 397 transitions, 3963 flow [2024-11-27 20:34:47,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 397 transitions, 3796 flow, removed 43 selfloop flow, removed 13 redundant places. [2024-11-27 20:34:47,780 INFO L231 Difference]: Finished difference. Result has 251 places, 381 transitions, 3555 flow [2024-11-27 20:34:47,780 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3425, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3555, PETRI_PLACES=251, PETRI_TRANSITIONS=381} [2024-11-27 20:34:47,781 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 137 predicate places. [2024-11-27 20:34:47,781 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 381 transitions, 3555 flow [2024-11-27 20:34:47,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:47,781 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:47,781 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] [2024-11-27 20:34:47,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:34:47,782 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:47,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:47,782 INFO L85 PathProgramCache]: Analyzing trace with hash -568278840, now seen corresponding path program 1 times [2024-11-27 20:34:47,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:47,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485145856] [2024-11-27 20:34:47,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:47,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:48,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:48,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485145856] [2024-11-27 20:34:48,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485145856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:48,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:48,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:48,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583059745] [2024-11-27 20:34:48,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:48,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:48,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:48,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:48,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:49,383 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:49,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 381 transitions, 3555 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:49,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:49,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:49,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:50,974 INFO L124 PetriNetUnfolderBase]: 2174/7382 cut-off events. [2024-11-27 20:34:50,974 INFO L125 PetriNetUnfolderBase]: For 27449/27844 co-relation queries the response was YES. [2024-11-27 20:34:51,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27098 conditions, 7382 events. 2174/7382 cut-off events. For 27449/27844 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 77223 event pairs, 97 based on Foata normal form. 42/7393 useless extension candidates. Maximal degree in co-relation 27009. Up to 1365 conditions per place. [2024-11-27 20:34:51,065 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 83 selfloop transitions, 34 changer transitions 3/406 dead transitions. [2024-11-27 20:34:51,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 406 transitions, 4070 flow [2024-11-27 20:34:51,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-27 20:34:51,069 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-27 20:34:51,069 INFO L175 Difference]: Start difference. First operand has 251 places, 381 transitions, 3555 flow. Second operand 13 states and 1139 transitions. [2024-11-27 20:34:51,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 406 transitions, 4070 flow [2024-11-27 20:34:51,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 406 transitions, 3962 flow, removed 32 selfloop flow, removed 8 redundant places. [2024-11-27 20:34:51,327 INFO L231 Difference]: Finished difference. Result has 258 places, 387 transitions, 3670 flow [2024-11-27 20:34:51,328 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3488, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3670, PETRI_PLACES=258, PETRI_TRANSITIONS=387} [2024-11-27 20:34:51,328 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 144 predicate places. [2024-11-27 20:34:51,328 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 387 transitions, 3670 flow [2024-11-27 20:34:51,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:51,329 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:51,329 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] [2024-11-27 20:34:51,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:34:51,330 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:51,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:51,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1069381706, now seen corresponding path program 2 times [2024-11-27 20:34:51,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:51,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35993834] [2024-11-27 20:34:51,331 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:34:51,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:51,353 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:34:51,353 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:52,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35993834] [2024-11-27 20:34:52,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35993834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:52,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:52,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:52,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330610720] [2024-11-27 20:34:52,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:52,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:52,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:52,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:52,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:52,864 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:52,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 387 transitions, 3670 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:52,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:52,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:52,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:54,046 INFO L124 PetriNetUnfolderBase]: 2174/7402 cut-off events. [2024-11-27 20:34:54,047 INFO L125 PetriNetUnfolderBase]: For 27795/28190 co-relation queries the response was YES. [2024-11-27 20:34:54,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27224 conditions, 7402 events. 2174/7402 cut-off events. For 27795/28190 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 77512 event pairs, 100 based on Foata normal form. 39/7410 useless extension candidates. Maximal degree in co-relation 27132. Up to 1368 conditions per place. [2024-11-27 20:34:54,124 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 81 selfloop transitions, 31 changer transitions 5/403 dead transitions. [2024-11-27 20:34:54,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 403 transitions, 4038 flow [2024-11-27 20:34:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-11-27 20:34:54,126 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-11-27 20:34:54,126 INFO L175 Difference]: Start difference. First operand has 258 places, 387 transitions, 3670 flow. Second operand 13 states and 1139 transitions. [2024-11-27 20:34:54,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 403 transitions, 4038 flow [2024-11-27 20:34:54,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 403 transitions, 3976 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-11-27 20:34:54,295 INFO L231 Difference]: Finished difference. Result has 263 places, 387 transitions, 3691 flow [2024-11-27 20:34:54,296 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3614, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3691, PETRI_PLACES=263, PETRI_TRANSITIONS=387} [2024-11-27 20:34:54,296 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 149 predicate places. [2024-11-27 20:34:54,296 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 387 transitions, 3691 flow [2024-11-27 20:34:54,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:54,296 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:54,297 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] [2024-11-27 20:34:54,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:34:54,297 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:54,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:54,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1468252868, now seen corresponding path program 3 times [2024-11-27 20:34:54,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:54,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457489296] [2024-11-27 20:34:54,298 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:34:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:54,313 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:34:54,313 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:54,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:54,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457489296] [2024-11-27 20:34:54,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457489296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:54,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:54,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:54,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439108247] [2024-11-27 20:34:54,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:54,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:54,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:54,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:54,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:55,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:55,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 387 transitions, 3691 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:55,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:55,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:55,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:57,096 INFO L124 PetriNetUnfolderBase]: 1907/6560 cut-off events. [2024-11-27 20:34:57,096 INFO L125 PetriNetUnfolderBase]: For 24514/24870 co-relation queries the response was YES. [2024-11-27 20:34:57,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24089 conditions, 6560 events. 1907/6560 cut-off events. For 24514/24870 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 67339 event pairs, 87 based on Foata normal form. 35/6568 useless extension candidates. Maximal degree in co-relation 23995. Up to 1205 conditions per place. [2024-11-27 20:34:57,143 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 78 selfloop transitions, 28 changer transitions 9/401 dead transitions. [2024-11-27 20:34:57,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 401 transitions, 4001 flow [2024-11-27 20:34:57,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-27 20:34:57,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-27 20:34:57,146 INFO L175 Difference]: Start difference. First operand has 263 places, 387 transitions, 3691 flow. Second operand 13 states and 1135 transitions. [2024-11-27 20:34:57,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 401 transitions, 4001 flow [2024-11-27 20:34:57,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 401 transitions, 3918 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-27 20:34:57,306 INFO L231 Difference]: Finished difference. Result has 264 places, 381 transitions, 3574 flow [2024-11-27 20:34:57,307 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3540, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3574, PETRI_PLACES=264, PETRI_TRANSITIONS=381} [2024-11-27 20:34:57,307 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 150 predicate places. [2024-11-27 20:34:57,307 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 381 transitions, 3574 flow [2024-11-27 20:34:57,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:57,308 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:57,308 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] [2024-11-27 20:34:57,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:34:57,308 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:57,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:57,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1571950034, now seen corresponding path program 4 times [2024-11-27 20:34:57,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:57,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911901460] [2024-11-27 20:34:57,310 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:34:57,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:57,334 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:34:57,335 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:34:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:57,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:34:57,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911901460] [2024-11-27 20:34:57,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911901460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:34:57,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:34:57,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:34:57,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109146766] [2024-11-27 20:34:57,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:34:57,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:34:57,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:34:57,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:34:57,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:34:58,466 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:34:58,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 381 transitions, 3574 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:58,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:34:58,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:34:58,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:34:59,766 INFO L124 PetriNetUnfolderBase]: 1906/6525 cut-off events. [2024-11-27 20:34:59,766 INFO L125 PetriNetUnfolderBase]: For 24014/24364 co-relation queries the response was YES. [2024-11-27 20:34:59,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23866 conditions, 6525 events. 1906/6525 cut-off events. For 24014/24364 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 66743 event pairs, 88 based on Foata normal form. 37/6535 useless extension candidates. Maximal degree in co-relation 23771. Up to 1193 conditions per place. [2024-11-27 20:34:59,830 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 74 selfloop transitions, 31 changer transitions 5/396 dead transitions. [2024-11-27 20:34:59,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 396 transitions, 3935 flow [2024-11-27 20:34:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:34:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:34:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-11-27 20:34:59,831 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-11-27 20:34:59,832 INFO L175 Difference]: Start difference. First operand has 264 places, 381 transitions, 3574 flow. Second operand 13 states and 1138 transitions. [2024-11-27 20:34:59,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 396 transitions, 3935 flow [2024-11-27 20:34:59,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 396 transitions, 3841 flow, removed 14 selfloop flow, removed 15 redundant places. [2024-11-27 20:34:59,977 INFO L231 Difference]: Finished difference. Result has 258 places, 381 transitions, 3570 flow [2024-11-27 20:34:59,977 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3501, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3570, PETRI_PLACES=258, PETRI_TRANSITIONS=381} [2024-11-27 20:34:59,977 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 144 predicate places. [2024-11-27 20:34:59,977 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 381 transitions, 3570 flow [2024-11-27 20:34:59,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:34:59,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:34:59,978 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] [2024-11-27 20:34:59,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:34:59,978 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:34:59,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:59,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1891756424, now seen corresponding path program 5 times [2024-11-27 20:34:59,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:34:59,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728189301] [2024-11-27 20:34:59,979 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:34:59,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:59,994 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:34:59,994 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:00,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:00,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728189301] [2024-11-27 20:35:00,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728189301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:00,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:00,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:00,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673756038] [2024-11-27 20:35:00,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:00,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:00,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:00,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:00,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:01,001 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:01,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 381 transitions, 3570 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:01,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:01,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:01,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:02,011 INFO L124 PetriNetUnfolderBase]: 1637/5683 cut-off events. [2024-11-27 20:35:02,011 INFO L125 PetriNetUnfolderBase]: For 20287/20597 co-relation queries the response was YES. [2024-11-27 20:35:02,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20722 conditions, 5683 events. 1637/5683 cut-off events. For 20287/20597 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 56561 event pairs, 77 based on Foata normal form. 30/5690 useless extension candidates. Maximal degree in co-relation 20630. Up to 1032 conditions per place. [2024-11-27 20:35:02,052 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 70 selfloop transitions, 23 changer transitions 10/389 dead transitions. [2024-11-27 20:35:02,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 389 transitions, 3794 flow [2024-11-27 20:35:02,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:02,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1134 transitions. [2024-11-27 20:35:02,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7858627858627859 [2024-11-27 20:35:02,054 INFO L175 Difference]: Start difference. First operand has 258 places, 381 transitions, 3570 flow. Second operand 13 states and 1134 transitions. [2024-11-27 20:35:02,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 389 transitions, 3794 flow [2024-11-27 20:35:02,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 389 transitions, 3691 flow, removed 10 selfloop flow, removed 14 redundant places. [2024-11-27 20:35:02,165 INFO L231 Difference]: Finished difference. Result has 255 places, 371 transitions, 3372 flow [2024-11-27 20:35:02,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3401, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3372, PETRI_PLACES=255, PETRI_TRANSITIONS=371} [2024-11-27 20:35:02,166 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 141 predicate places. [2024-11-27 20:35:02,166 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 371 transitions, 3372 flow [2024-11-27 20:35:02,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:02,166 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:02,166 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] [2024-11-27 20:35:02,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 20:35:02,166 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:02,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:02,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1619751972, now seen corresponding path program 6 times [2024-11-27 20:35:02,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:02,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811980578] [2024-11-27 20:35:02,167 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:35:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:02,180 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:35:02,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:02,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:02,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811980578] [2024-11-27 20:35:02,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811980578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:02,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:02,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:02,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946451424] [2024-11-27 20:35:02,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:02,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:02,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:02,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:02,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:03,379 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:03,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 371 transitions, 3372 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:03,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:03,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:03,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:04,281 INFO L124 PetriNetUnfolderBase]: 1367/4796 cut-off events. [2024-11-27 20:35:04,281 INFO L125 PetriNetUnfolderBase]: For 15450/15683 co-relation queries the response was YES. [2024-11-27 20:35:04,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17258 conditions, 4796 events. 1367/4796 cut-off events. For 15450/15683 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 45992 event pairs, 58 based on Foata normal form. 35/4812 useless extension candidates. Maximal degree in co-relation 17193. Up to 871 conditions per place. [2024-11-27 20:35:04,324 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 66 selfloop transitions, 26 changer transitions 8/386 dead transitions. [2024-11-27 20:35:04,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 386 transitions, 3618 flow [2024-11-27 20:35:04,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-11-27 20:35:04,326 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-11-27 20:35:04,326 INFO L175 Difference]: Start difference. First operand has 255 places, 371 transitions, 3372 flow. Second operand 13 states and 1127 transitions. [2024-11-27 20:35:04,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 386 transitions, 3618 flow [2024-11-27 20:35:04,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 386 transitions, 3523 flow, removed 10 selfloop flow, removed 15 redundant places. [2024-11-27 20:35:04,432 INFO L231 Difference]: Finished difference. Result has 245 places, 365 transitions, 3246 flow [2024-11-27 20:35:04,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3213, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3246, PETRI_PLACES=245, PETRI_TRANSITIONS=365} [2024-11-27 20:35:04,432 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 131 predicate places. [2024-11-27 20:35:04,432 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 365 transitions, 3246 flow [2024-11-27 20:35:04,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:04,433 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:04,433 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] [2024-11-27 20:35:04,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 20:35:04,433 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:04,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:04,434 INFO L85 PathProgramCache]: Analyzing trace with hash 791919810, now seen corresponding path program 7 times [2024-11-27 20:35:04,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:04,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853292982] [2024-11-27 20:35:04,434 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:35:04,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:35:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:04,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:04,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853292982] [2024-11-27 20:35:04,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853292982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:04,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:04,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:04,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854954721] [2024-11-27 20:35:04,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:04,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:04,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:04,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:04,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:05,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:05,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 365 transitions, 3246 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:05,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:05,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:05,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:06,772 INFO L124 PetriNetUnfolderBase]: 1367/4809 cut-off events. [2024-11-27 20:35:06,772 INFO L125 PetriNetUnfolderBase]: For 14509/14755 co-relation queries the response was YES. [2024-11-27 20:35:06,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17108 conditions, 4809 events. 1367/4809 cut-off events. For 14509/14755 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 46089 event pairs, 60 based on Foata normal form. 35/4825 useless extension candidates. Maximal degree in co-relation 17045. Up to 858 conditions per place. [2024-11-27 20:35:06,808 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 63 selfloop transitions, 28 changer transitions 4/381 dead transitions. [2024-11-27 20:35:06,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 381 transitions, 3548 flow [2024-11-27 20:35:06,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-11-27 20:35:06,810 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-11-27 20:35:06,810 INFO L175 Difference]: Start difference. First operand has 245 places, 365 transitions, 3246 flow. Second operand 13 states and 1131 transitions. [2024-11-27 20:35:06,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 381 transitions, 3548 flow [2024-11-27 20:35:06,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 381 transitions, 3434 flow, removed 17 selfloop flow, removed 16 redundant places. [2024-11-27 20:35:06,895 INFO L231 Difference]: Finished difference. Result has 239 places, 365 transitions, 3223 flow [2024-11-27 20:35:06,895 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3153, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3223, PETRI_PLACES=239, PETRI_TRANSITIONS=365} [2024-11-27 20:35:06,895 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 125 predicate places. [2024-11-27 20:35:06,895 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 365 transitions, 3223 flow [2024-11-27 20:35:06,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:06,896 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:06,896 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] [2024-11-27 20:35:06,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:35:06,896 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:06,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:06,897 INFO L85 PathProgramCache]: Analyzing trace with hash -91655010, now seen corresponding path program 8 times [2024-11-27 20:35:06,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:06,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581211967] [2024-11-27 20:35:06,897 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:35:06,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:06,912 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:06,912 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:07,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:07,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581211967] [2024-11-27 20:35:07,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581211967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:07,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:07,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:07,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990776710] [2024-11-27 20:35:07,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:07,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:07,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:07,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:07,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:08,060 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:08,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 365 transitions, 3223 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:08,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:08,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:08,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:08,906 INFO L124 PetriNetUnfolderBase]: 1365/4784 cut-off events. [2024-11-27 20:35:08,906 INFO L125 PetriNetUnfolderBase]: For 14143/14373 co-relation queries the response was YES. [2024-11-27 20:35:08,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16957 conditions, 4784 events. 1365/4784 cut-off events. For 14143/14373 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 45792 event pairs, 61 based on Foata normal form. 34/4799 useless extension candidates. Maximal degree in co-relation 16897. Up to 861 conditions per place. [2024-11-27 20:35:08,942 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 60 selfloop transitions, 30 changer transitions 5/381 dead transitions. [2024-11-27 20:35:08,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 381 transitions, 3522 flow [2024-11-27 20:35:08,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:08,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:08,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1130 transitions. [2024-11-27 20:35:08,944 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7830907830907831 [2024-11-27 20:35:08,944 INFO L175 Difference]: Start difference. First operand has 239 places, 365 transitions, 3223 flow. Second operand 13 states and 1130 transitions. [2024-11-27 20:35:08,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 381 transitions, 3522 flow [2024-11-27 20:35:09,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 381 transitions, 3452 flow, removed 5 selfloop flow, removed 11 redundant places. [2024-11-27 20:35:09,030 INFO L231 Difference]: Finished difference. Result has 242 places, 366 transitions, 3255 flow [2024-11-27 20:35:09,030 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3163, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3255, PETRI_PLACES=242, PETRI_TRANSITIONS=366} [2024-11-27 20:35:09,030 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 128 predicate places. [2024-11-27 20:35:09,030 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 366 transitions, 3255 flow [2024-11-27 20:35:09,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:09,031 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:09,031 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] [2024-11-27 20:35:09,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 20:35:09,031 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:09,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:09,032 INFO L85 PathProgramCache]: Analyzing trace with hash 768534790, now seen corresponding path program 9 times [2024-11-27 20:35:09,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:09,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664809007] [2024-11-27 20:35:09,032 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:35:09,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:09,047 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:35:09,047 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:09,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:09,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:09,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664809007] [2024-11-27 20:35:09,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664809007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:09,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:09,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:09,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78030629] [2024-11-27 20:35:09,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:09,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:09,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:09,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:09,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:10,269 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:10,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 366 transitions, 3255 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:10,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:10,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:10,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:11,069 INFO L124 PetriNetUnfolderBase]: 1096/3968 cut-off events. [2024-11-27 20:35:11,069 INFO L125 PetriNetUnfolderBase]: For 11458/11646 co-relation queries the response was YES. [2024-11-27 20:35:11,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13959 conditions, 3968 events. 1096/3968 cut-off events. For 11458/11646 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 36392 event pairs, 50 based on Foata normal form. 28/3981 useless extension candidates. Maximal degree in co-relation 13896. Up to 697 conditions per place. [2024-11-27 20:35:11,093 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 55 selfloop transitions, 21 changer transitions 12/374 dead transitions. [2024-11-27 20:35:11,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 374 transitions, 3435 flow [2024-11-27 20:35:11,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1126 transitions. [2024-11-27 20:35:11,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7803187803187803 [2024-11-27 20:35:11,095 INFO L175 Difference]: Start difference. First operand has 242 places, 366 transitions, 3255 flow. Second operand 13 states and 1126 transitions. [2024-11-27 20:35:11,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 374 transitions, 3435 flow [2024-11-27 20:35:11,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 374 transitions, 3374 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-11-27 20:35:11,161 INFO L231 Difference]: Finished difference. Result has 243 places, 355 transitions, 3100 flow [2024-11-27 20:35:11,161 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3128, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3100, PETRI_PLACES=243, PETRI_TRANSITIONS=355} [2024-11-27 20:35:11,161 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 129 predicate places. [2024-11-27 20:35:11,161 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 355 transitions, 3100 flow [2024-11-27 20:35:11,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:11,162 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:11,162 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] [2024-11-27 20:35:11,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 20:35:11,162 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:11,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:11,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1247688722, now seen corresponding path program 10 times [2024-11-27 20:35:11,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:11,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662332565] [2024-11-27 20:35:11,163 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:35:11,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:11,183 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:35:11,183 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:11,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:11,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662332565] [2024-11-27 20:35:11,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662332565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:11,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:11,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:11,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137152500] [2024-11-27 20:35:11,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:11,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:11,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:11,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:11,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:12,218 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:12,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 355 transitions, 3100 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:12,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:12,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:12,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:13,078 INFO L124 PetriNetUnfolderBase]: 1358/4648 cut-off events. [2024-11-27 20:35:13,078 INFO L125 PetriNetUnfolderBase]: For 13514/13767 co-relation queries the response was YES. [2024-11-27 20:35:13,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16325 conditions, 4648 events. 1358/4648 cut-off events. For 13514/13767 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 44423 event pairs, 56 based on Foata normal form. 30/4659 useless extension candidates. Maximal degree in co-relation 16263. Up to 843 conditions per place. [2024-11-27 20:35:13,123 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 54 selfloop transitions, 36 changer transitions 1/377 dead transitions. [2024-11-27 20:35:13,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 377 transitions, 3445 flow [2024-11-27 20:35:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-11-27 20:35:13,125 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-11-27 20:35:13,125 INFO L175 Difference]: Start difference. First operand has 243 places, 355 transitions, 3100 flow. Second operand 13 states and 1135 transitions. [2024-11-27 20:35:13,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 377 transitions, 3445 flow [2024-11-27 20:35:13,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 377 transitions, 3320 flow, removed 18 selfloop flow, removed 19 redundant places. [2024-11-27 20:35:13,209 INFO L231 Difference]: Finished difference. Result has 230 places, 362 transitions, 3174 flow [2024-11-27 20:35:13,209 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3008, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3174, PETRI_PLACES=230, PETRI_TRANSITIONS=362} [2024-11-27 20:35:13,210 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 116 predicate places. [2024-11-27 20:35:13,210 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 362 transitions, 3174 flow [2024-11-27 20:35:13,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:13,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:13,211 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] [2024-11-27 20:35:13,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 20:35:13,211 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:13,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:13,212 INFO L85 PathProgramCache]: Analyzing trace with hash 160235840, now seen corresponding path program 11 times [2024-11-27 20:35:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:13,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492021768] [2024-11-27 20:35:13,212 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:35:13,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:13,227 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:13,227 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:13,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:13,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492021768] [2024-11-27 20:35:13,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492021768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:13,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:13,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:13,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512944176] [2024-11-27 20:35:13,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:13,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:13,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:13,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:13,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:14,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:14,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 362 transitions, 3174 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:14,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:14,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:14,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:15,038 INFO L124 PetriNetUnfolderBase]: 1356/4628 cut-off events. [2024-11-27 20:35:15,038 INFO L125 PetriNetUnfolderBase]: For 13710/13952 co-relation queries the response was YES. [2024-11-27 20:35:15,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16316 conditions, 4628 events. 1356/4628 cut-off events. For 13710/13952 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 44183 event pairs, 57 based on Foata normal form. 51/4660 useless extension candidates. Maximal degree in co-relation 16259. Up to 853 conditions per place. [2024-11-27 20:35:15,074 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 40 selfloop transitions, 51 changer transitions 3/380 dead transitions. [2024-11-27 20:35:15,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 380 transitions, 3474 flow [2024-11-27 20:35:15,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-27 20:35:15,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-27 20:35:15,076 INFO L175 Difference]: Start difference. First operand has 230 places, 362 transitions, 3174 flow. Second operand 13 states and 1122 transitions. [2024-11-27 20:35:15,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 380 transitions, 3474 flow [2024-11-27 20:35:15,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 380 transitions, 3410 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-11-27 20:35:15,158 INFO L231 Difference]: Finished difference. Result has 236 places, 361 transitions, 3224 flow [2024-11-27 20:35:15,158 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3113, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3224, PETRI_PLACES=236, PETRI_TRANSITIONS=361} [2024-11-27 20:35:15,158 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 122 predicate places. [2024-11-27 20:35:15,158 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 361 transitions, 3224 flow [2024-11-27 20:35:15,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:15,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:15,159 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] [2024-11-27 20:35:15,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 20:35:15,159 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:15,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:15,159 INFO L85 PathProgramCache]: Analyzing trace with hash 927882332, now seen corresponding path program 12 times [2024-11-27 20:35:15,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:15,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958070584] [2024-11-27 20:35:15,160 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:35:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:15,178 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:35:15,178 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:15,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:15,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958070584] [2024-11-27 20:35:15,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958070584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:15,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:15,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:15,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501408686] [2024-11-27 20:35:15,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:15,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:15,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:15,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:15,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:16,456 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:16,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 361 transitions, 3224 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:16,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:16,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:16,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:17,208 INFO L124 PetriNetUnfolderBase]: 1088/3839 cut-off events. [2024-11-27 20:35:17,208 INFO L125 PetriNetUnfolderBase]: For 11591/11791 co-relation queries the response was YES. [2024-11-27 20:35:17,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13643 conditions, 3839 events. 1088/3839 cut-off events. For 11591/11791 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 35159 event pairs, 47 based on Foata normal form. 21/3845 useless extension candidates. Maximal degree in co-relation 13584. Up to 687 conditions per place. [2024-11-27 20:35:17,241 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 52 selfloop transitions, 28 changer transitions 6/372 dead transitions. [2024-11-27 20:35:17,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 372 transitions, 3436 flow [2024-11-27 20:35:17,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1130 transitions. [2024-11-27 20:35:17,243 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7830907830907831 [2024-11-27 20:35:17,243 INFO L175 Difference]: Start difference. First operand has 236 places, 361 transitions, 3224 flow. Second operand 13 states and 1130 transitions. [2024-11-27 20:35:17,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 372 transitions, 3436 flow [2024-11-27 20:35:17,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 372 transitions, 3353 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-27 20:35:17,317 INFO L231 Difference]: Finished difference. Result has 237 places, 354 transitions, 3115 flow [2024-11-27 20:35:17,317 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3091, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3115, PETRI_PLACES=237, PETRI_TRANSITIONS=354} [2024-11-27 20:35:17,317 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 123 predicate places. [2024-11-27 20:35:17,318 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 354 transitions, 3115 flow [2024-11-27 20:35:17,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:17,318 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:17,318 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:35:17,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 20:35:17,319 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:17,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:17,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1537220490, now seen corresponding path program 13 times [2024-11-27 20:35:17,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017674880] [2024-11-27 20:35:17,320 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:35:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:35:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:17,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:17,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017674880] [2024-11-27 20:35:17,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017674880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:17,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:17,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:17,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940410338] [2024-11-27 20:35:17,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:17,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:17,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:17,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:17,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:18,444 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:18,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 354 transitions, 3115 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:18,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:18,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:18,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:19,223 INFO L124 PetriNetUnfolderBase]: 1085/3828 cut-off events. [2024-11-27 20:35:19,223 INFO L125 PetriNetUnfolderBase]: For 11295/11481 co-relation queries the response was YES. [2024-11-27 20:35:19,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13518 conditions, 3828 events. 1085/3828 cut-off events. For 11295/11481 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 35019 event pairs, 45 based on Foata normal form. 26/3839 useless extension candidates. Maximal degree in co-relation 13459. Up to 683 conditions per place. [2024-11-27 20:35:19,258 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 51 selfloop transitions, 37 changer transitions 2/376 dead transitions. [2024-11-27 20:35:19,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 376 transitions, 3444 flow [2024-11-27 20:35:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1125 transitions. [2024-11-27 20:35:19,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7796257796257796 [2024-11-27 20:35:19,261 INFO L175 Difference]: Start difference. First operand has 237 places, 354 transitions, 3115 flow. Second operand 13 states and 1125 transitions. [2024-11-27 20:35:19,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 376 transitions, 3444 flow [2024-11-27 20:35:19,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 376 transitions, 3365 flow, removed 10 selfloop flow, removed 13 redundant places. [2024-11-27 20:35:19,344 INFO L231 Difference]: Finished difference. Result has 234 places, 357 transitions, 3183 flow [2024-11-27 20:35:19,344 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3048, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3183, PETRI_PLACES=234, PETRI_TRANSITIONS=357} [2024-11-27 20:35:19,345 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 120 predicate places. [2024-11-27 20:35:19,345 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 357 transitions, 3183 flow [2024-11-27 20:35:19,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:19,346 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:19,346 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] [2024-11-27 20:35:19,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 20:35:19,346 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:19,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:19,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1561646848, now seen corresponding path program 14 times [2024-11-27 20:35:19,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:19,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267263406] [2024-11-27 20:35:19,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:35:19,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:19,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:19,363 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:19,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:19,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267263406] [2024-11-27 20:35:19,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267263406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:19,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:19,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:19,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768249613] [2024-11-27 20:35:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:19,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:19,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:19,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:19,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:20,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:20,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 357 transitions, 3183 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:20,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:20,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:20,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:21,009 INFO L124 PetriNetUnfolderBase]: 817/2991 cut-off events. [2024-11-27 20:35:21,009 INFO L125 PetriNetUnfolderBase]: For 8743/8881 co-relation queries the response was YES. [2024-11-27 20:35:21,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10571 conditions, 2991 events. 817/2991 cut-off events. For 8743/8881 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 25899 event pairs, 34 based on Foata normal form. 22/3002 useless extension candidates. Maximal degree in co-relation 10511. Up to 521 conditions per place. [2024-11-27 20:35:21,032 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 41 selfloop transitions, 36 changer transitions 8/351 dead transitions. [2024-11-27 20:35:21,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 351 transitions, 3102 flow [2024-11-27 20:35:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-27 20:35:21,034 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-27 20:35:21,035 INFO L175 Difference]: Start difference. First operand has 234 places, 357 transitions, 3183 flow. Second operand 13 states and 1123 transitions. [2024-11-27 20:35:21,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 351 transitions, 3102 flow [2024-11-27 20:35:21,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 351 transitions, 3034 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-11-27 20:35:21,093 INFO L231 Difference]: Finished difference. Result has 237 places, 329 transitions, 2822 flow [2024-11-27 20:35:21,093 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2764, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2822, PETRI_PLACES=237, PETRI_TRANSITIONS=329} [2024-11-27 20:35:21,093 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 123 predicate places. [2024-11-27 20:35:21,094 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 329 transitions, 2822 flow [2024-11-27 20:35:21,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:21,094 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:21,094 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] [2024-11-27 20:35:21,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 20:35:21,094 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:21,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:21,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1599082624, now seen corresponding path program 15 times [2024-11-27 20:35:21,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:21,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563223053] [2024-11-27 20:35:21,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:35:21,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:21,109 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:35:21,109 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:21,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:21,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563223053] [2024-11-27 20:35:21,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563223053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:21,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:21,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:21,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364153275] [2024-11-27 20:35:21,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:21,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:21,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:21,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:21,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:22,277 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:22,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 329 transitions, 2822 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:22,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:22,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:22,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:22,813 INFO L124 PetriNetUnfolderBase]: 554/2141 cut-off events. [2024-11-27 20:35:22,813 INFO L125 PetriNetUnfolderBase]: For 5759/5864 co-relation queries the response was YES. [2024-11-27 20:35:22,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7407 conditions, 2141 events. 554/2141 cut-off events. For 5759/5864 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 16924 event pairs, 24 based on Foata normal form. 7/2140 useless extension candidates. Maximal degree in co-relation 7346. Up to 355 conditions per place. [2024-11-27 20:35:22,825 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 39 selfloop transitions, 20 changer transitions 8/289 dead transitions. [2024-11-27 20:35:22,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 289 transitions, 2287 flow [2024-11-27 20:35:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-27 20:35:22,827 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-27 20:35:22,827 INFO L175 Difference]: Start difference. First operand has 237 places, 329 transitions, 2822 flow. Second operand 13 states and 1115 transitions. [2024-11-27 20:35:22,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 289 transitions, 2287 flow [2024-11-27 20:35:22,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 289 transitions, 2116 flow, removed 53 selfloop flow, removed 28 redundant places. [2024-11-27 20:35:22,856 INFO L231 Difference]: Finished difference. Result has 209 places, 268 transitions, 1901 flow [2024-11-27 20:35:22,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1910, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1901, PETRI_PLACES=209, PETRI_TRANSITIONS=268} [2024-11-27 20:35:22,857 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-27 20:35:22,857 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 268 transitions, 1901 flow [2024-11-27 20:35:22,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:22,858 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:22,858 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] [2024-11-27 20:35:22,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 20:35:22,858 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:22,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:22,859 INFO L85 PathProgramCache]: Analyzing trace with hash -800481570, now seen corresponding path program 16 times [2024-11-27 20:35:22,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:22,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539138897] [2024-11-27 20:35:22,859 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:35:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:22,873 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:35:22,873 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:23,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:23,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539138897] [2024-11-27 20:35:23,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539138897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:23,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:23,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-27 20:35:23,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159678159] [2024-11-27 20:35:23,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:23,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 20:35:23,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:23,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 20:35:23,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:35:23,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-27 20:35:23,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 268 transitions, 1901 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:35:23,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:23,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-27 20:35:23,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:25,230 INFO L124 PetriNetUnfolderBase]: 1178/3689 cut-off events. [2024-11-27 20:35:25,231 INFO L125 PetriNetUnfolderBase]: For 12006/12265 co-relation queries the response was YES. [2024-11-27 20:35:25,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13840 conditions, 3689 events. 1178/3689 cut-off events. For 12006/12265 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 31020 event pairs, 100 based on Foata normal form. 71/3737 useless extension candidates. Maximal degree in co-relation 13795. Up to 648 conditions per place. [2024-11-27 20:35:25,258 INFO L140 encePairwiseOnDemand]: 88/111 looper letters, 447 selfloop transitions, 112 changer transitions 34/688 dead transitions. [2024-11-27 20:35:25,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 688 transitions, 6797 flow [2024-11-27 20:35:25,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 20:35:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-27 20:35:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1569 transitions. [2024-11-27 20:35:25,261 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7439544807965861 [2024-11-27 20:35:25,261 INFO L175 Difference]: Start difference. First operand has 209 places, 268 transitions, 1901 flow. Second operand 19 states and 1569 transitions. [2024-11-27 20:35:25,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 688 transitions, 6797 flow [2024-11-27 20:35:25,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 688 transitions, 6661 flow, removed 9 selfloop flow, removed 14 redundant places. [2024-11-27 20:35:25,310 INFO L231 Difference]: Finished difference. Result has 214 places, 356 transitions, 3174 flow [2024-11-27 20:35:25,310 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1825, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3174, PETRI_PLACES=214, PETRI_TRANSITIONS=356} [2024-11-27 20:35:25,311 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-11-27 20:35:25,311 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 356 transitions, 3174 flow [2024-11-27 20:35:25,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:35:25,311 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:25,311 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] [2024-11-27 20:35:25,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-27 20:35:25,312 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:25,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash 241982272, now seen corresponding path program 17 times [2024-11-27 20:35:25,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:25,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798508371] [2024-11-27 20:35:25,312 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:35:25,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:25,328 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:25,329 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:25,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798508371] [2024-11-27 20:35:25,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798508371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:25,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:25,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:25,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112485238] [2024-11-27 20:35:25,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:25,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:25,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:25,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:25,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:26,360 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:26,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 356 transitions, 3174 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:26,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:26,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:26,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:26,987 INFO L124 PetriNetUnfolderBase]: 872/3064 cut-off events. [2024-11-27 20:35:26,987 INFO L125 PetriNetUnfolderBase]: For 9144/9310 co-relation queries the response was YES. [2024-11-27 20:35:27,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10919 conditions, 3064 events. 872/3064 cut-off events. For 9144/9310 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 26487 event pairs, 35 based on Foata normal form. 27/3081 useless extension candidates. Maximal degree in co-relation 10869. Up to 536 conditions per place. [2024-11-27 20:35:27,008 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 36 selfloop transitions, 33 changer transitions 10/371 dead transitions. [2024-11-27 20:35:27,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 371 transitions, 3418 flow [2024-11-27 20:35:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-27 20:35:27,010 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-27 20:35:27,010 INFO L175 Difference]: Start difference. First operand has 214 places, 356 transitions, 3174 flow. Second operand 13 states and 1122 transitions. [2024-11-27 20:35:27,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 371 transitions, 3418 flow [2024-11-27 20:35:27,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 371 transitions, 3357 flow, removed 13 selfloop flow, removed 6 redundant places. [2024-11-27 20:35:27,063 INFO L231 Difference]: Finished difference. Result has 221 places, 350 transitions, 3123 flow [2024-11-27 20:35:27,063 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3115, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3123, PETRI_PLACES=221, PETRI_TRANSITIONS=350} [2024-11-27 20:35:27,064 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 107 predicate places. [2024-11-27 20:35:27,064 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 350 transitions, 3123 flow [2024-11-27 20:35:27,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:27,064 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:27,065 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] [2024-11-27 20:35:27,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-27 20:35:27,065 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:27,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1832667520, now seen corresponding path program 1 times [2024-11-27 20:35:27,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:27,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356333271] [2024-11-27 20:35:27,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:35:27,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:35:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:27,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:27,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356333271] [2024-11-27 20:35:27,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356333271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:27,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:27,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:27,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74871355] [2024-11-27 20:35:27,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:27,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:27,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:27,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:27,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:28,243 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:28,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 350 transitions, 3123 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:28,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:28,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:28,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:28,769 INFO L124 PetriNetUnfolderBase]: 552/2095 cut-off events. [2024-11-27 20:35:28,769 INFO L125 PetriNetUnfolderBase]: For 5940/6053 co-relation queries the response was YES. [2024-11-27 20:35:28,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7303 conditions, 2095 events. 552/2095 cut-off events. For 5940/6053 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 16491 event pairs, 24 based on Foata normal form. 13/2102 useless extension candidates. Maximal degree in co-relation 7252. Up to 353 conditions per place. [2024-11-27 20:35:28,783 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 34 selfloop transitions, 22 changer transitions 6/307 dead transitions. [2024-11-27 20:35:28,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 307 transitions, 2612 flow [2024-11-27 20:35:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:28,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-27 20:35:28,785 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-27 20:35:28,785 INFO L175 Difference]: Start difference. First operand has 221 places, 350 transitions, 3123 flow. Second operand 13 states and 1121 transitions. [2024-11-27 20:35:28,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 307 transitions, 2612 flow [2024-11-27 20:35:28,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 307 transitions, 2491 flow, removed 35 selfloop flow, removed 17 redundant places. [2024-11-27 20:35:28,821 INFO L231 Difference]: Finished difference. Result has 209 places, 292 transitions, 2316 flow [2024-11-27 20:35:28,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2325, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2316, PETRI_PLACES=209, PETRI_TRANSITIONS=292} [2024-11-27 20:35:28,822 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-27 20:35:28,822 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 292 transitions, 2316 flow [2024-11-27 20:35:28,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:28,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:28,822 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] [2024-11-27 20:35:28,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-27 20:35:28,823 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:28,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:28,823 INFO L85 PathProgramCache]: Analyzing trace with hash 561788662, now seen corresponding path program 18 times [2024-11-27 20:35:28,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:28,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83020716] [2024-11-27 20:35:28,824 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:35:28,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:28,838 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:35:28,838 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:29,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:29,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83020716] [2024-11-27 20:35:29,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83020716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:29,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:29,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:29,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006425223] [2024-11-27 20:35:29,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:29,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:29,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:29,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:29,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:29,900 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:29,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 292 transitions, 2316 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:29,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:29,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:29,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:30,293 INFO L124 PetriNetUnfolderBase]: 281/1213 cut-off events. [2024-11-27 20:35:30,293 INFO L125 PetriNetUnfolderBase]: For 2609/2676 co-relation queries the response was YES. [2024-11-27 20:35:30,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3901 conditions, 1213 events. 281/1213 cut-off events. For 2609/2676 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8072 event pairs, 14 based on Foata normal form. 8/1218 useless extension candidates. Maximal degree in co-relation 3857. Up to 185 conditions per place. [2024-11-27 20:35:30,299 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 27 selfloop transitions, 13 changer transitions 14/280 dead transitions. [2024-11-27 20:35:30,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 280 transitions, 2133 flow [2024-11-27 20:35:30,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-27 20:35:30,300 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-27 20:35:30,300 INFO L175 Difference]: Start difference. First operand has 209 places, 292 transitions, 2316 flow. Second operand 13 states and 1115 transitions. [2024-11-27 20:35:30,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 280 transitions, 2133 flow [2024-11-27 20:35:30,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 280 transitions, 2062 flow, removed 12 selfloop flow, removed 15 redundant places. [2024-11-27 20:35:30,315 INFO L231 Difference]: Finished difference. Result has 201 places, 258 transitions, 1841 flow [2024-11-27 20:35:30,315 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1841, PETRI_PLACES=201, PETRI_TRANSITIONS=258} [2024-11-27 20:35:30,316 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 87 predicate places. [2024-11-27 20:35:30,316 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 258 transitions, 1841 flow [2024-11-27 20:35:30,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:30,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:30,316 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] [2024-11-27 20:35:30,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-27 20:35:30,316 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:30,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:30,317 INFO L85 PathProgramCache]: Analyzing trace with hash -808000192, now seen corresponding path program 19 times [2024-11-27 20:35:30,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:30,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173387727] [2024-11-27 20:35:30,317 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:35:30,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:35:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:30,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:30,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173387727] [2024-11-27 20:35:30,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173387727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:30,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:30,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:30,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850695746] [2024-11-27 20:35:30,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:30,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:30,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:30,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:30,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:31,431 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:31,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 258 transitions, 1841 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:31,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:31,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:31,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:31,840 INFO L124 PetriNetUnfolderBase]: 284/1251 cut-off events. [2024-11-27 20:35:31,840 INFO L125 PetriNetUnfolderBase]: For 2562/2605 co-relation queries the response was YES. [2024-11-27 20:35:31,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3971 conditions, 1251 events. 284/1251 cut-off events. For 2562/2605 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 8574 event pairs, 18 based on Foata normal form. 9/1258 useless extension candidates. Maximal degree in co-relation 3931. Up to 207 conditions per place. [2024-11-27 20:35:31,845 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 29 selfloop transitions, 15 changer transitions 19/287 dead transitions. [2024-11-27 20:35:31,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 287 transitions, 2168 flow [2024-11-27 20:35:31,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-27 20:35:31,847 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-27 20:35:31,847 INFO L175 Difference]: Start difference. First operand has 201 places, 258 transitions, 1841 flow. Second operand 13 states and 1123 transitions. [2024-11-27 20:35:31,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 287 transitions, 2168 flow [2024-11-27 20:35:31,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 287 transitions, 1982 flow, removed 4 selfloop flow, removed 17 redundant places. [2024-11-27 20:35:31,862 INFO L231 Difference]: Finished difference. Result has 185 places, 255 transitions, 1777 flow [2024-11-27 20:35:31,862 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1755, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1777, PETRI_PLACES=185, PETRI_TRANSITIONS=255} [2024-11-27 20:35:31,862 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 71 predicate places. [2024-11-27 20:35:31,862 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 255 transitions, 1777 flow [2024-11-27 20:35:31,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:31,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:31,863 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] [2024-11-27 20:35:31,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-27 20:35:31,863 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:31,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash 436745674, now seen corresponding path program 20 times [2024-11-27 20:35:31,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:31,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592030458] [2024-11-27 20:35:31,864 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:35:31,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:31,875 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:31,875 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:32,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592030458] [2024-11-27 20:35:32,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592030458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:32,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:32,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:32,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946312066] [2024-11-27 20:35:32,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:32,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:32,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:32,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:32,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:32,792 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:32,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 255 transitions, 1777 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:32,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:32,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:32,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:33,324 INFO L124 PetriNetUnfolderBase]: 527/1966 cut-off events. [2024-11-27 20:35:33,325 INFO L125 PetriNetUnfolderBase]: For 3861/3962 co-relation queries the response was YES. [2024-11-27 20:35:33,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6236 conditions, 1966 events. 527/1966 cut-off events. For 3861/3962 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 15113 event pairs, 21 based on Foata normal form. 11/1972 useless extension candidates. Maximal degree in co-relation 6198. Up to 341 conditions per place. [2024-11-27 20:35:33,333 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 28 selfloop transitions, 22 changer transitions 2/276 dead transitions. [2024-11-27 20:35:33,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 276 transitions, 1978 flow [2024-11-27 20:35:33,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1117 transitions. [2024-11-27 20:35:33,335 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.774081774081774 [2024-11-27 20:35:33,335 INFO L175 Difference]: Start difference. First operand has 185 places, 255 transitions, 1777 flow. Second operand 13 states and 1117 transitions. [2024-11-27 20:35:33,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 276 transitions, 1978 flow [2024-11-27 20:35:33,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 276 transitions, 1912 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-27 20:35:33,352 INFO L231 Difference]: Finished difference. Result has 185 places, 261 transitions, 1837 flow [2024-11-27 20:35:33,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1738, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1837, PETRI_PLACES=185, PETRI_TRANSITIONS=261} [2024-11-27 20:35:33,352 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 71 predicate places. [2024-11-27 20:35:33,352 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 261 transitions, 1837 flow [2024-11-27 20:35:33,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:33,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:33,353 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] [2024-11-27 20:35:33,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-27 20:35:33,353 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:33,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2007155008, now seen corresponding path program 10 times [2024-11-27 20:35:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:33,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591606720] [2024-11-27 20:35:33,354 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:35:33,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:33,369 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:35:33,369 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:33,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:33,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591606720] [2024-11-27 20:35:33,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591606720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:33,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:33,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:33,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328109011] [2024-11-27 20:35:33,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:33,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:33,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:33,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:34,357 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:34,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 261 transitions, 1837 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:34,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:34,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:34,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:34,957 INFO L124 PetriNetUnfolderBase]: 800/2898 cut-off events. [2024-11-27 20:35:34,957 INFO L125 PetriNetUnfolderBase]: For 6176/6306 co-relation queries the response was YES. [2024-11-27 20:35:34,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9435 conditions, 2898 events. 800/2898 cut-off events. For 6176/6306 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24845 event pairs, 36 based on Foata normal form. 16/2908 useless extension candidates. Maximal degree in co-relation 9397. Up to 536 conditions per place. [2024-11-27 20:35:34,976 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 39 selfloop transitions, 20 changer transitions 7/290 dead transitions. [2024-11-27 20:35:34,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 290 transitions, 2133 flow [2024-11-27 20:35:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-27 20:35:34,978 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-27 20:35:34,978 INFO L175 Difference]: Start difference. First operand has 185 places, 261 transitions, 1837 flow. Second operand 13 states and 1121 transitions. [2024-11-27 20:35:34,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 290 transitions, 2133 flow [2024-11-27 20:35:35,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 290 transitions, 2076 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-27 20:35:35,014 INFO L231 Difference]: Finished difference. Result has 192 places, 267 transitions, 1914 flow [2024-11-27 20:35:35,015 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1806, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1914, PETRI_PLACES=192, PETRI_TRANSITIONS=267} [2024-11-27 20:35:35,015 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 78 predicate places. [2024-11-27 20:35:35,015 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 267 transitions, 1914 flow [2024-11-27 20:35:35,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:35,016 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:35,016 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] [2024-11-27 20:35:35,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-27 20:35:35,016 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:35,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:35,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1894790072, now seen corresponding path program 11 times [2024-11-27 20:35:35,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:35,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857471648] [2024-11-27 20:35:35,017 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:35:35,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:35,031 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:35,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:35,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:35,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857471648] [2024-11-27 20:35:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857471648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:35,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:35,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:35,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783278238] [2024-11-27 20:35:35,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:35,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:35,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:35,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:35,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:35,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:35,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 267 transitions, 1914 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:35,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:35,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:35,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:36,727 INFO L124 PetriNetUnfolderBase]: 1066/3727 cut-off events. [2024-11-27 20:35:36,728 INFO L125 PetriNetUnfolderBase]: For 8777/8995 co-relation queries the response was YES. [2024-11-27 20:35:36,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12382 conditions, 3727 events. 1066/3727 cut-off events. For 8777/8995 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 33748 event pairs, 44 based on Foata normal form. 18/3736 useless extension candidates. Maximal degree in co-relation 12340. Up to 687 conditions per place. [2024-11-27 20:35:36,755 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 35 selfloop transitions, 27 changer transitions 3/289 dead transitions. [2024-11-27 20:35:36,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 289 transitions, 2193 flow [2024-11-27 20:35:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-11-27 20:35:36,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-11-27 20:35:36,757 INFO L175 Difference]: Start difference. First operand has 192 places, 267 transitions, 1914 flow. Second operand 13 states and 1121 transitions. [2024-11-27 20:35:36,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 289 transitions, 2193 flow [2024-11-27 20:35:36,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 289 transitions, 2141 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-11-27 20:35:36,796 INFO L231 Difference]: Finished difference. Result has 198 places, 275 transitions, 2029 flow [2024-11-27 20:35:36,796 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1878, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2029, PETRI_PLACES=198, PETRI_TRANSITIONS=275} [2024-11-27 20:35:36,796 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 84 predicate places. [2024-11-27 20:35:36,797 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 275 transitions, 2029 flow [2024-11-27 20:35:36,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:36,797 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:36,797 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] [2024-11-27 20:35:36,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-27 20:35:36,797 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:36,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:36,798 INFO L85 PathProgramCache]: Analyzing trace with hash -916589858, now seen corresponding path program 12 times [2024-11-27 20:35:36,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:36,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659368096] [2024-11-27 20:35:36,798 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:35:36,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:36,811 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:35:36,812 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:37,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:37,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659368096] [2024-11-27 20:35:37,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659368096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:37,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:37,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:37,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012583776] [2024-11-27 20:35:37,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:37,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:37,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:37,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:37,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:37,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:37,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 275 transitions, 2029 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:37,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:37,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:37,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:38,547 INFO L124 PetriNetUnfolderBase]: 1341/4672 cut-off events. [2024-11-27 20:35:38,547 INFO L125 PetriNetUnfolderBase]: For 11944/12216 co-relation queries the response was YES. [2024-11-27 20:35:38,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15860 conditions, 4672 events. 1341/4672 cut-off events. For 11944/12216 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44417 event pairs, 66 based on Foata normal form. 23/4684 useless extension candidates. Maximal degree in co-relation 15815. Up to 865 conditions per place. [2024-11-27 20:35:38,577 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 50 selfloop transitions, 25 changer transitions 6/305 dead transitions. [2024-11-27 20:35:38,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 305 transitions, 2414 flow [2024-11-27 20:35:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-11-27 20:35:38,579 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-11-27 20:35:38,579 INFO L175 Difference]: Start difference. First operand has 198 places, 275 transitions, 2029 flow. Second operand 13 states and 1127 transitions. [2024-11-27 20:35:38,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 305 transitions, 2414 flow [2024-11-27 20:35:38,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 305 transitions, 2357 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-27 20:35:38,633 INFO L231 Difference]: Finished difference. Result has 207 places, 282 transitions, 2141 flow [2024-11-27 20:35:38,634 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1985, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2141, PETRI_PLACES=207, PETRI_TRANSITIONS=282} [2024-11-27 20:35:38,634 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 93 predicate places. [2024-11-27 20:35:38,634 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 282 transitions, 2141 flow [2024-11-27 20:35:38,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:38,635 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:38,635 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] [2024-11-27 20:35:38,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-27 20:35:38,635 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:38,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:38,636 INFO L85 PathProgramCache]: Analyzing trace with hash -547508598, now seen corresponding path program 13 times [2024-11-27 20:35:38,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:38,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953411564] [2024-11-27 20:35:38,637 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:35:38,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:35:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:38,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:38,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953411564] [2024-11-27 20:35:38,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953411564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:38,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:38,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:38,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827037923] [2024-11-27 20:35:38,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:38,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:38,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:38,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:38,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:39,528 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:39,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 282 transitions, 2141 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:39,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:39,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:39,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:40,368 INFO L124 PetriNetUnfolderBase]: 1341/4682 cut-off events. [2024-11-27 20:35:40,368 INFO L125 PetriNetUnfolderBase]: For 12670/12926 co-relation queries the response was YES. [2024-11-27 20:35:40,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16053 conditions, 4682 events. 1341/4682 cut-off events. For 12670/12926 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44602 event pairs, 58 based on Foata normal form. 32/4704 useless extension candidates. Maximal degree in co-relation 16003. Up to 885 conditions per place. [2024-11-27 20:35:40,409 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 47 selfloop transitions, 29 changer transitions 10/308 dead transitions. [2024-11-27 20:35:40,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 308 transitions, 2517 flow [2024-11-27 20:35:40,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1120 transitions. [2024-11-27 20:35:40,411 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7761607761607762 [2024-11-27 20:35:40,411 INFO L175 Difference]: Start difference. First operand has 207 places, 282 transitions, 2141 flow. Second operand 13 states and 1120 transitions. [2024-11-27 20:35:40,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 308 transitions, 2517 flow [2024-11-27 20:35:40,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 308 transitions, 2446 flow, removed 22 selfloop flow, removed 8 redundant places. [2024-11-27 20:35:40,472 INFO L231 Difference]: Finished difference. Result has 214 places, 281 transitions, 2175 flow [2024-11-27 20:35:40,472 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2089, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2175, PETRI_PLACES=214, PETRI_TRANSITIONS=281} [2024-11-27 20:35:40,473 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-11-27 20:35:40,473 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 281 transitions, 2175 flow [2024-11-27 20:35:40,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:40,473 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:40,474 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] [2024-11-27 20:35:40,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-27 20:35:40,474 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:40,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:40,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1563784084, now seen corresponding path program 14 times [2024-11-27 20:35:40,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:40,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230825656] [2024-11-27 20:35:40,474 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:35:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:40,488 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:40,488 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:40,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:40,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230825656] [2024-11-27 20:35:40,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230825656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:40,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:40,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:40,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452200721] [2024-11-27 20:35:40,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:40,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:40,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:40,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:40,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:41,453 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:41,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 281 transitions, 2175 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:41,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:41,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:41,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:42,334 INFO L124 PetriNetUnfolderBase]: 1331/4559 cut-off events. [2024-11-27 20:35:42,334 INFO L125 PetriNetUnfolderBase]: For 13041/13307 co-relation queries the response was YES. [2024-11-27 20:35:42,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15830 conditions, 4559 events. 1331/4559 cut-off events. For 13041/13307 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 43127 event pairs, 60 based on Foata normal form. 21/4570 useless extension candidates. Maximal degree in co-relation 15777. Up to 837 conditions per place. [2024-11-27 20:35:42,375 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 43 selfloop transitions, 28 changer transitions 1/294 dead transitions. [2024-11-27 20:35:42,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 294 transitions, 2443 flow [2024-11-27 20:35:42,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-27 20:35:42,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-27 20:35:42,377 INFO L175 Difference]: Start difference. First operand has 214 places, 281 transitions, 2175 flow. Second operand 13 states and 1122 transitions. [2024-11-27 20:35:42,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 294 transitions, 2443 flow [2024-11-27 20:35:42,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 294 transitions, 2310 flow, removed 27 selfloop flow, removed 13 redundant places. [2024-11-27 20:35:42,444 INFO L231 Difference]: Finished difference. Result has 215 places, 286 transitions, 2205 flow [2024-11-27 20:35:42,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2205, PETRI_PLACES=215, PETRI_TRANSITIONS=286} [2024-11-27 20:35:42,444 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 101 predicate places. [2024-11-27 20:35:42,445 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 286 transitions, 2205 flow [2024-11-27 20:35:42,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:42,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:42,445 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] [2024-11-27 20:35:42,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-27 20:35:42,445 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:42,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash 711019120, now seen corresponding path program 15 times [2024-11-27 20:35:42,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:42,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602476477] [2024-11-27 20:35:42,446 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:35:42,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:42,462 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:35:42,462 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:42,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:42,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602476477] [2024-11-27 20:35:42,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602476477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:42,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:42,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456466326] [2024-11-27 20:35:42,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:42,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:42,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:42,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:42,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:43,373 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:43,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 286 transitions, 2205 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:43,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:43,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:43,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:44,298 INFO L124 PetriNetUnfolderBase]: 1595/5447 cut-off events. [2024-11-27 20:35:44,298 INFO L125 PetriNetUnfolderBase]: For 15534/15805 co-relation queries the response was YES. [2024-11-27 20:35:44,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18823 conditions, 5447 events. 1595/5447 cut-off events. For 15534/15805 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 53655 event pairs, 71 based on Foata normal form. 21/5456 useless extension candidates. Maximal degree in co-relation 18770. Up to 1016 conditions per place. [2024-11-27 20:35:44,366 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 50 selfloop transitions, 28 changer transitions 5/305 dead transitions. [2024-11-27 20:35:44,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 305 transitions, 2561 flow [2024-11-27 20:35:44,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-27 20:35:44,368 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-27 20:35:44,369 INFO L175 Difference]: Start difference. First operand has 215 places, 286 transitions, 2205 flow. Second operand 13 states and 1123 transitions. [2024-11-27 20:35:44,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 305 transitions, 2561 flow [2024-11-27 20:35:44,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 305 transitions, 2461 flow, removed 32 selfloop flow, removed 8 redundant places. [2024-11-27 20:35:44,456 INFO L231 Difference]: Finished difference. Result has 222 places, 292 transitions, 2291 flow [2024-11-27 20:35:44,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2144, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2291, PETRI_PLACES=222, PETRI_TRANSITIONS=292} [2024-11-27 20:35:44,457 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 108 predicate places. [2024-11-27 20:35:44,457 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 292 transitions, 2291 flow [2024-11-27 20:35:44,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:44,457 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:44,458 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] [2024-11-27 20:35:44,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-27 20:35:44,458 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:44,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:44,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2081631608, now seen corresponding path program 16 times [2024-11-27 20:35:44,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:44,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135298746] [2024-11-27 20:35:44,458 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:35:44,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:44,475 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:35:44,475 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:44,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:44,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135298746] [2024-11-27 20:35:44,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135298746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:44,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:44,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-27 20:35:44,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714970738] [2024-11-27 20:35:44,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:44,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 20:35:44,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:44,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 20:35:44,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:35:45,631 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-27 20:35:45,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 292 transitions, 2291 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:35:45,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:45,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-27 20:35:45,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:47,419 INFO L124 PetriNetUnfolderBase]: 2473/7474 cut-off events. [2024-11-27 20:35:47,419 INFO L125 PetriNetUnfolderBase]: For 32229/33004 co-relation queries the response was YES. [2024-11-27 20:35:47,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29913 conditions, 7474 events. 2473/7474 cut-off events. For 32229/33004 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 73518 event pairs, 311 based on Foata normal form. 148/7573 useless extension candidates. Maximal degree in co-relation 29857. Up to 1383 conditions per place. [2024-11-27 20:35:47,526 INFO L140 encePairwiseOnDemand]: 88/111 looper letters, 567 selfloop transitions, 140 changer transitions 27/826 dead transitions. [2024-11-27 20:35:47,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 826 transitions, 8775 flow [2024-11-27 20:35:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 20:35:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-27 20:35:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1652 transitions. [2024-11-27 20:35:47,529 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7441441441441441 [2024-11-27 20:35:47,529 INFO L175 Difference]: Start difference. First operand has 222 places, 292 transitions, 2291 flow. Second operand 20 states and 1652 transitions. [2024-11-27 20:35:47,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 826 transitions, 8775 flow [2024-11-27 20:35:47,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 826 transitions, 8721 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-11-27 20:35:47,676 INFO L231 Difference]: Finished difference. Result has 241 places, 400 transitions, 4081 flow [2024-11-27 20:35:47,676 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2249, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4081, PETRI_PLACES=241, PETRI_TRANSITIONS=400} [2024-11-27 20:35:47,676 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 127 predicate places. [2024-11-27 20:35:47,677 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 400 transitions, 4081 flow [2024-11-27 20:35:47,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:35:47,677 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:47,677 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] [2024-11-27 20:35:47,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-27 20:35:47,677 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:47,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:47,678 INFO L85 PathProgramCache]: Analyzing trace with hash 548065722, now seen corresponding path program 17 times [2024-11-27 20:35:47,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:47,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540265655] [2024-11-27 20:35:47,679 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:35:47,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:47,692 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:47,693 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:48,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:48,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540265655] [2024-11-27 20:35:48,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540265655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:48,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:48,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:48,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101512428] [2024-11-27 20:35:48,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:48,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:48,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:48,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:48,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:48,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:48,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 400 transitions, 4081 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:48,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:48,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:48,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:49,651 INFO L124 PetriNetUnfolderBase]: 1638/5611 cut-off events. [2024-11-27 20:35:49,651 INFO L125 PetriNetUnfolderBase]: For 20504/20818 co-relation queries the response was YES. [2024-11-27 20:35:49,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20636 conditions, 5611 events. 1638/5611 cut-off events. For 20504/20818 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 55502 event pairs, 72 based on Foata normal form. 21/5619 useless extension candidates. Maximal degree in co-relation 20571. Up to 1051 conditions per place. [2024-11-27 20:35:49,730 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 56 selfloop transitions, 24 changer transitions 9/407 dead transitions. [2024-11-27 20:35:49,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 407 transitions, 4283 flow [2024-11-27 20:35:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1119 transitions. [2024-11-27 20:35:49,731 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7754677754677755 [2024-11-27 20:35:49,732 INFO L175 Difference]: Start difference. First operand has 241 places, 400 transitions, 4081 flow. Second operand 13 states and 1119 transitions. [2024-11-27 20:35:49,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 407 transitions, 4283 flow [2024-11-27 20:35:49,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 407 transitions, 4187 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-11-27 20:35:49,897 INFO L231 Difference]: Finished difference. Result has 248 places, 394 transitions, 3956 flow [2024-11-27 20:35:49,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3923, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3956, PETRI_PLACES=248, PETRI_TRANSITIONS=394} [2024-11-27 20:35:49,898 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 134 predicate places. [2024-11-27 20:35:49,898 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 394 transitions, 3956 flow [2024-11-27 20:35:49,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:49,899 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:49,899 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] [2024-11-27 20:35:49,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-27 20:35:49,899 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:49,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:49,900 INFO L85 PathProgramCache]: Analyzing trace with hash -591192638, now seen corresponding path program 18 times [2024-11-27 20:35:49,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:49,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014590148] [2024-11-27 20:35:49,900 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:35:49,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:49,914 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:35:49,915 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:50,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:50,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014590148] [2024-11-27 20:35:50,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014590148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:50,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:50,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:50,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102638925] [2024-11-27 20:35:50,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:50,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:50,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:50,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:50,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:50,772 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:50,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 394 transitions, 3956 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:50,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:50,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:50,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:51,768 INFO L124 PetriNetUnfolderBase]: 1637/5546 cut-off events. [2024-11-27 20:35:51,768 INFO L125 PetriNetUnfolderBase]: For 19488/19783 co-relation queries the response was YES. [2024-11-27 20:35:51,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20171 conditions, 5546 events. 1637/5546 cut-off events. For 19488/19783 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 54738 event pairs, 72 based on Foata normal form. 37/5571 useless extension candidates. Maximal degree in co-relation 20105. Up to 1049 conditions per place. [2024-11-27 20:35:51,817 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 46 selfloop transitions, 35 changer transitions 8/402 dead transitions. [2024-11-27 20:35:51,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 402 transitions, 4216 flow [2024-11-27 20:35:51,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-11-27 20:35:51,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-11-27 20:35:51,819 INFO L175 Difference]: Start difference. First operand has 248 places, 394 transitions, 3956 flow. Second operand 13 states and 1122 transitions. [2024-11-27 20:35:51,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 402 transitions, 4216 flow [2024-11-27 20:35:51,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 402 transitions, 4126 flow, removed 16 selfloop flow, removed 15 redundant places. [2024-11-27 20:35:51,923 INFO L231 Difference]: Finished difference. Result has 244 places, 390 transitions, 3939 flow [2024-11-27 20:35:51,923 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3887, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3939, PETRI_PLACES=244, PETRI_TRANSITIONS=390} [2024-11-27 20:35:51,923 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 130 predicate places. [2024-11-27 20:35:51,924 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 390 transitions, 3939 flow [2024-11-27 20:35:51,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:51,924 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:51,924 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:35:51,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-27 20:35:51,924 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:51,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:51,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1834247090, now seen corresponding path program 19 times [2024-11-27 20:35:51,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:51,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544469050] [2024-11-27 20:35:51,925 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:35:51,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:35:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:52,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544469050] [2024-11-27 20:35:52,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544469050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:52,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:52,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:52,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52297037] [2024-11-27 20:35:52,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:52,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:52,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:52,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:52,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:52,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:52,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 390 transitions, 3939 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:52,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:52,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:52,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:53,867 INFO L124 PetriNetUnfolderBase]: 1366/4734 cut-off events. [2024-11-27 20:35:53,867 INFO L125 PetriNetUnfolderBase]: For 16326/16573 co-relation queries the response was YES. [2024-11-27 20:35:53,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17243 conditions, 4734 events. 1366/4734 cut-off events. For 16326/16573 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 45185 event pairs, 61 based on Foata normal form. 17/4741 useless extension candidates. Maximal degree in co-relation 17178. Up to 876 conditions per place. [2024-11-27 20:35:53,931 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 46 selfloop transitions, 27 changer transitions 8/375 dead transitions. [2024-11-27 20:35:53,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 375 transitions, 3786 flow [2024-11-27 20:35:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-11-27 20:35:53,933 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-11-27 20:35:53,933 INFO L175 Difference]: Start difference. First operand has 244 places, 390 transitions, 3939 flow. Second operand 13 states and 1123 transitions. [2024-11-27 20:35:53,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 375 transitions, 3786 flow [2024-11-27 20:35:54,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 375 transitions, 3724 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-11-27 20:35:54,073 INFO L231 Difference]: Finished difference. Result has 246 places, 365 transitions, 3523 flow [2024-11-27 20:35:54,073 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3526, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3523, PETRI_PLACES=246, PETRI_TRANSITIONS=365} [2024-11-27 20:35:54,074 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 132 predicate places. [2024-11-27 20:35:54,074 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 365 transitions, 3523 flow [2024-11-27 20:35:54,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:54,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:54,074 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] [2024-11-27 20:35:54,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-27 20:35:54,074 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:54,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:54,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1064633108, now seen corresponding path program 20 times [2024-11-27 20:35:54,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:54,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704383152] [2024-11-27 20:35:54,075 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:35:54,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:54,091 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:54,091 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:54,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:54,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704383152] [2024-11-27 20:35:54,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704383152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:54,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:54,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:54,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455231133] [2024-11-27 20:35:54,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:54,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:54,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:54,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:54,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:55,021 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:55,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 365 transitions, 3523 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:55,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:55,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:55,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:55,829 INFO L124 PetriNetUnfolderBase]: 1061/3738 cut-off events. [2024-11-27 20:35:55,829 INFO L125 PetriNetUnfolderBase]: For 12017/12208 co-relation queries the response was YES. [2024-11-27 20:35:55,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13371 conditions, 3738 events. 1061/3738 cut-off events. For 12017/12208 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 33894 event pairs, 52 based on Foata normal form. 14/3744 useless extension candidates. Maximal degree in co-relation 13306. Up to 680 conditions per place. [2024-11-27 20:35:55,873 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 37 selfloop transitions, 19 changer transitions 9/308 dead transitions. [2024-11-27 20:35:55,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 308 transitions, 2793 flow [2024-11-27 20:35:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-27 20:35:55,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-27 20:35:55,875 INFO L175 Difference]: Start difference. First operand has 246 places, 365 transitions, 3523 flow. Second operand 13 states and 1115 transitions. [2024-11-27 20:35:55,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 308 transitions, 2793 flow [2024-11-27 20:35:55,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 308 transitions, 2660 flow, removed 38 selfloop flow, removed 22 redundant places. [2024-11-27 20:35:55,970 INFO L231 Difference]: Finished difference. Result has 228 places, 298 transitions, 2472 flow [2024-11-27 20:35:55,971 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2530, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2472, PETRI_PLACES=228, PETRI_TRANSITIONS=298} [2024-11-27 20:35:55,971 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 114 predicate places. [2024-11-27 20:35:55,971 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 298 transitions, 2472 flow [2024-11-27 20:35:55,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:55,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:55,971 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] [2024-11-27 20:35:55,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-27 20:35:55,972 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:55,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash -437621666, now seen corresponding path program 21 times [2024-11-27 20:35:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:55,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126764345] [2024-11-27 20:35:55,972 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:35:55,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:55,983 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:35:55,983 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:56,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:56,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126764345] [2024-11-27 20:35:56,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126764345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:56,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:56,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:56,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977292193] [2024-11-27 20:35:56,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:56,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:56,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:56,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:56,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:56,943 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:56,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 298 transitions, 2472 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:56,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:56,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:56,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:57,526 INFO L124 PetriNetUnfolderBase]: 791/2889 cut-off events. [2024-11-27 20:35:57,527 INFO L125 PetriNetUnfolderBase]: For 7956/8102 co-relation queries the response was YES. [2024-11-27 20:35:57,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9906 conditions, 2889 events. 791/2889 cut-off events. For 7956/8102 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24759 event pairs, 31 based on Foata normal form. 12/2895 useless extension candidates. Maximal degree in co-relation 9851. Up to 511 conditions per place. [2024-11-27 20:35:57,550 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 35 selfloop transitions, 22 changer transitions 8/308 dead transitions. [2024-11-27 20:35:57,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 308 transitions, 2645 flow [2024-11-27 20:35:57,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:57,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1111 transitions. [2024-11-27 20:35:57,552 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7699237699237699 [2024-11-27 20:35:57,552 INFO L175 Difference]: Start difference. First operand has 228 places, 298 transitions, 2472 flow. Second operand 13 states and 1111 transitions. [2024-11-27 20:35:57,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 308 transitions, 2645 flow [2024-11-27 20:35:57,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 308 transitions, 2557 flow, removed 16 selfloop flow, removed 17 redundant places. [2024-11-27 20:35:57,591 INFO L231 Difference]: Finished difference. Result has 214 places, 292 transitions, 2373 flow [2024-11-27 20:35:57,591 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2349, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2373, PETRI_PLACES=214, PETRI_TRANSITIONS=292} [2024-11-27 20:35:57,592 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-11-27 20:35:57,592 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 292 transitions, 2373 flow [2024-11-27 20:35:57,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:57,592 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:57,592 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] [2024-11-27 20:35:57,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-27 20:35:57,592 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:57,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:57,593 INFO L85 PathProgramCache]: Analyzing trace with hash 894688520, now seen corresponding path program 22 times [2024-11-27 20:35:57,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:57,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844425848] [2024-11-27 20:35:57,593 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:35:57,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:57,607 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:35:57,607 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:57,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:57,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844425848] [2024-11-27 20:35:57,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844425848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:57,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:57,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:57,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103988694] [2024-11-27 20:35:57,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:57,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:57,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:57,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:57,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:35:58,544 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:35:58,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 292 transitions, 2373 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:58,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:35:58,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:35:58,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:35:59,131 INFO L124 PetriNetUnfolderBase]: 793/2842 cut-off events. [2024-11-27 20:35:59,131 INFO L125 PetriNetUnfolderBase]: For 7591/7740 co-relation queries the response was YES. [2024-11-27 20:35:59,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9635 conditions, 2842 events. 793/2842 cut-off events. For 7591/7740 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24216 event pairs, 35 based on Foata normal form. 12/2848 useless extension candidates. Maximal degree in co-relation 9586. Up to 517 conditions per place. [2024-11-27 20:35:59,151 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 29 selfloop transitions, 24 changer transitions 7/301 dead transitions. [2024-11-27 20:35:59,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 301 transitions, 2548 flow [2024-11-27 20:35:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:35:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:35:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2024-11-27 20:35:59,153 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.772002772002772 [2024-11-27 20:35:59,153 INFO L175 Difference]: Start difference. First operand has 214 places, 292 transitions, 2373 flow. Second operand 13 states and 1114 transitions. [2024-11-27 20:35:59,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 301 transitions, 2548 flow [2024-11-27 20:35:59,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 301 transitions, 2465 flow, removed 8 selfloop flow, removed 16 redundant places. [2024-11-27 20:35:59,192 INFO L231 Difference]: Finished difference. Result has 207 places, 289 transitions, 2322 flow [2024-11-27 20:35:59,193 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2298, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2322, PETRI_PLACES=207, PETRI_TRANSITIONS=289} [2024-11-27 20:35:59,193 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 93 predicate places. [2024-11-27 20:35:59,193 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 289 transitions, 2322 flow [2024-11-27 20:35:59,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:35:59,193 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:35:59,193 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] [2024-11-27 20:35:59,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-27 20:35:59,193 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:35:59,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:35:59,194 INFO L85 PathProgramCache]: Analyzing trace with hash -769398334, now seen corresponding path program 23 times [2024-11-27 20:35:59,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:35:59,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004279771] [2024-11-27 20:35:59,194 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:35:59,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:35:59,206 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:35:59,206 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:35:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:35:59,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:35:59,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004279771] [2024-11-27 20:35:59,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004279771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:35:59,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:35:59,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:35:59,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322203828] [2024-11-27 20:35:59,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:35:59,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:35:59,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:35:59,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:35:59,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:00,106 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:00,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 289 transitions, 2322 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:00,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:00,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:00,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:00,876 INFO L124 PetriNetUnfolderBase]: 790/2853 cut-off events. [2024-11-27 20:36:00,877 INFO L125 PetriNetUnfolderBase]: For 7523/7672 co-relation queries the response was YES. [2024-11-27 20:36:00,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9607 conditions, 2853 events. 790/2853 cut-off events. For 7523/7672 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24421 event pairs, 36 based on Foata normal form. 10/2857 useless extension candidates. Maximal degree in co-relation 9562. Up to 516 conditions per place. [2024-11-27 20:36:00,900 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 30 selfloop transitions, 21 changer transitions 6/298 dead transitions. [2024-11-27 20:36:00,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 298 transitions, 2491 flow [2024-11-27 20:36:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-11-27 20:36:00,903 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-11-27 20:36:00,903 INFO L175 Difference]: Start difference. First operand has 207 places, 289 transitions, 2322 flow. Second operand 13 states and 1115 transitions. [2024-11-27 20:36:00,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 298 transitions, 2491 flow [2024-11-27 20:36:00,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 298 transitions, 2440 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-11-27 20:36:00,955 INFO L231 Difference]: Finished difference. Result has 210 places, 289 transitions, 2331 flow [2024-11-27 20:36:00,955 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2331, PETRI_PLACES=210, PETRI_TRANSITIONS=289} [2024-11-27 20:36:00,956 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 96 predicate places. [2024-11-27 20:36:00,956 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 289 transitions, 2331 flow [2024-11-27 20:36:00,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:00,957 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:00,957 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] [2024-11-27 20:36:00,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-27 20:36:00,957 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:00,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1360883592, now seen corresponding path program 24 times [2024-11-27 20:36:00,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:00,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169414642] [2024-11-27 20:36:00,958 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:36:00,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:00,978 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:36:00,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:01,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:01,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169414642] [2024-11-27 20:36:01,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169414642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:01,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:01,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:01,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268629193] [2024-11-27 20:36:01,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:01,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:01,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:01,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:01,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:02,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:02,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 289 transitions, 2331 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:02,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:02,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:02,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:02,478 INFO L124 PetriNetUnfolderBase]: 525/2012 cut-off events. [2024-11-27 20:36:02,478 INFO L125 PetriNetUnfolderBase]: For 4901/5010 co-relation queries the response was YES. [2024-11-27 20:36:02,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6654 conditions, 2012 events. 525/2012 cut-off events. For 4901/5010 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 15588 event pairs, 25 based on Foata normal form. 7/2015 useless extension candidates. Maximal degree in co-relation 6607. Up to 348 conditions per place. [2024-11-27 20:36:02,488 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 23 selfloop transitions, 15 changer transitions 15/275 dead transitions. [2024-11-27 20:36:02,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 275 transitions, 2141 flow [2024-11-27 20:36:02,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1110 transitions. [2024-11-27 20:36:02,489 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2024-11-27 20:36:02,489 INFO L175 Difference]: Start difference. First operand has 210 places, 289 transitions, 2331 flow. Second operand 13 states and 1110 transitions. [2024-11-27 20:36:02,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 275 transitions, 2141 flow [2024-11-27 20:36:02,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 275 transitions, 2088 flow, removed 7 selfloop flow, removed 11 redundant places. [2024-11-27 20:36:02,510 INFO L231 Difference]: Finished difference. Result has 209 places, 259 transitions, 1881 flow [2024-11-27 20:36:02,510 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1937, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1881, PETRI_PLACES=209, PETRI_TRANSITIONS=259} [2024-11-27 20:36:02,510 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-11-27 20:36:02,510 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 259 transitions, 1881 flow [2024-11-27 20:36:02,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:02,511 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:02,511 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] [2024-11-27 20:36:02,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-27 20:36:02,511 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:02,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:02,512 INFO L85 PathProgramCache]: Analyzing trace with hash -578196982, now seen corresponding path program 25 times [2024-11-27 20:36:02,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:02,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739760883] [2024-11-27 20:36:02,512 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:36:02,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:36:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:02,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:02,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739760883] [2024-11-27 20:36:02,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739760883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:02,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:02,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:02,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509280941] [2024-11-27 20:36:02,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:02,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:02,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:02,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:02,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:03,372 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:03,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 259 transitions, 1881 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:03,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:03,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:03,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:03,953 INFO L124 PetriNetUnfolderBase]: 780/2741 cut-off events. [2024-11-27 20:36:03,953 INFO L125 PetriNetUnfolderBase]: For 6703/6850 co-relation queries the response was YES. [2024-11-27 20:36:03,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9065 conditions, 2741 events. 780/2741 cut-off events. For 6703/6850 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 23348 event pairs, 31 based on Foata normal form. 15/2750 useless extension candidates. Maximal degree in co-relation 9019. Up to 507 conditions per place. [2024-11-27 20:36:03,971 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 26 selfloop transitions, 25 changer transitions 1/274 dead transitions. [2024-11-27 20:36:03,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 274 transitions, 2069 flow [2024-11-27 20:36:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1116 transitions. [2024-11-27 20:36:03,973 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7733887733887734 [2024-11-27 20:36:03,973 INFO L175 Difference]: Start difference. First operand has 209 places, 259 transitions, 1881 flow. Second operand 13 states and 1116 transitions. [2024-11-27 20:36:03,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 274 transitions, 2069 flow [2024-11-27 20:36:04,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 274 transitions, 1961 flow, removed 10 selfloop flow, removed 18 redundant places. [2024-11-27 20:36:04,003 INFO L231 Difference]: Finished difference. Result has 194 places, 267 transitions, 1920 flow [2024-11-27 20:36:04,004 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1796, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1920, PETRI_PLACES=194, PETRI_TRANSITIONS=267} [2024-11-27 20:36:04,004 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 80 predicate places. [2024-11-27 20:36:04,004 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 267 transitions, 1920 flow [2024-11-27 20:36:04,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:04,004 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:04,004 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] [2024-11-27 20:36:04,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-27 20:36:04,005 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:04,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:04,005 INFO L85 PathProgramCache]: Analyzing trace with hash -709888218, now seen corresponding path program 21 times [2024-11-27 20:36:04,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:04,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304277848] [2024-11-27 20:36:04,005 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:36:04,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:04,015 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:36:04,015 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:04,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:04,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304277848] [2024-11-27 20:36:04,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304277848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:04,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:04,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:04,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675877859] [2024-11-27 20:36:04,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:04,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:04,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:04,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:04,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:04,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:04,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 267 transitions, 1920 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:04,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:04,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:04,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:05,467 INFO L124 PetriNetUnfolderBase]: 782/2733 cut-off events. [2024-11-27 20:36:05,467 INFO L125 PetriNetUnfolderBase]: For 6476/6649 co-relation queries the response was YES. [2024-11-27 20:36:05,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9040 conditions, 2733 events. 782/2733 cut-off events. For 6476/6649 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 23238 event pairs, 30 based on Foata normal form. 30/2757 useless extension candidates. Maximal degree in co-relation 8997. Up to 498 conditions per place. [2024-11-27 20:36:05,484 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 18 selfloop transitions, 33 changer transitions 3/276 dead transitions. [2024-11-27 20:36:05,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 276 transitions, 2100 flow [2024-11-27 20:36:05,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1103 transitions. [2024-11-27 20:36:05,485 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7643797643797644 [2024-11-27 20:36:05,485 INFO L175 Difference]: Start difference. First operand has 194 places, 267 transitions, 1920 flow. Second operand 13 states and 1103 transitions. [2024-11-27 20:36:05,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 276 transitions, 2100 flow [2024-11-27 20:36:05,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 276 transitions, 2063 flow, removed 1 selfloop flow, removed 8 redundant places. [2024-11-27 20:36:05,515 INFO L231 Difference]: Finished difference. Result has 200 places, 267 transitions, 1964 flow [2024-11-27 20:36:05,515 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1886, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1964, PETRI_PLACES=200, PETRI_TRANSITIONS=267} [2024-11-27 20:36:05,515 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 86 predicate places. [2024-11-27 20:36:05,515 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 267 transitions, 1964 flow [2024-11-27 20:36:05,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:05,515 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:05,516 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] [2024-11-27 20:36:05,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-27 20:36:05,516 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:05,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:05,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1485048612, now seen corresponding path program 22 times [2024-11-27 20:36:05,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:05,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151293403] [2024-11-27 20:36:05,517 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:36:05,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:05,535 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:36:05,535 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:06,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:06,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151293403] [2024-11-27 20:36:06,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151293403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:06,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:06,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-27 20:36:06,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363431287] [2024-11-27 20:36:06,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:06,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 20:36:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:06,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 20:36:06,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:36:07,019 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-11-27 20:36:07,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 267 transitions, 1964 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:36:07,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:07,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-11-27 20:36:07,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:08,389 INFO L124 PetriNetUnfolderBase]: 1013/3196 cut-off events. [2024-11-27 20:36:08,389 INFO L125 PetriNetUnfolderBase]: For 11893/12308 co-relation queries the response was YES. [2024-11-27 20:36:08,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12358 conditions, 3196 events. 1013/3196 cut-off events. For 11893/12308 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 26668 event pairs, 103 based on Foata normal form. 88/3267 useless extension candidates. Maximal degree in co-relation 12313. Up to 579 conditions per place. [2024-11-27 20:36:08,403 INFO L140 encePairwiseOnDemand]: 87/111 looper letters, 402 selfloop transitions, 102 changer transitions 72/669 dead transitions. [2024-11-27 20:36:08,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 669 transitions, 6845 flow [2024-11-27 20:36:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 20:36:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-27 20:36:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 1919 transitions. [2024-11-27 20:36:08,406 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7203453453453453 [2024-11-27 20:36:08,406 INFO L175 Difference]: Start difference. First operand has 200 places, 267 transitions, 1964 flow. Second operand 24 states and 1919 transitions. [2024-11-27 20:36:08,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 669 transitions, 6845 flow [2024-11-27 20:36:08,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 669 transitions, 6735 flow, removed 3 selfloop flow, removed 12 redundant places. [2024-11-27 20:36:08,457 INFO L231 Difference]: Finished difference. Result has 223 places, 342 transitions, 3139 flow [2024-11-27 20:36:08,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1896, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3139, PETRI_PLACES=223, PETRI_TRANSITIONS=342} [2024-11-27 20:36:08,458 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 109 predicate places. [2024-11-27 20:36:08,458 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 342 transitions, 3139 flow [2024-11-27 20:36:08,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 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) [2024-11-27 20:36:08,459 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:08,459 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] [2024-11-27 20:36:08,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-27 20:36:08,459 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:08,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash -585176958, now seen corresponding path program 23 times [2024-11-27 20:36:08,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:08,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377538395] [2024-11-27 20:36:08,460 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:36:08,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:08,474 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:36:08,474 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:08,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:08,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377538395] [2024-11-27 20:36:08,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377538395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:08,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:08,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:08,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990797212] [2024-11-27 20:36:08,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:08,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:08,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:08,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:08,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:09,620 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:09,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 342 transitions, 3139 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:09,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:09,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:09,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:10,255 INFO L124 PetriNetUnfolderBase]: 781/2750 cut-off events. [2024-11-27 20:36:10,256 INFO L125 PetriNetUnfolderBase]: For 8805/8959 co-relation queries the response was YES. [2024-11-27 20:36:10,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9866 conditions, 2750 events. 781/2750 cut-off events. For 8805/8959 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 23444 event pairs, 31 based on Foata normal form. 19/2763 useless extension candidates. Maximal degree in co-relation 9809. Up to 509 conditions per place. [2024-11-27 20:36:10,285 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 35 selfloop transitions, 25 changer transitions 4/354 dead transitions. [2024-11-27 20:36:10,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 354 transitions, 3334 flow [2024-11-27 20:36:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2024-11-27 20:36:10,287 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.772002772002772 [2024-11-27 20:36:10,287 INFO L175 Difference]: Start difference. First operand has 223 places, 342 transitions, 3139 flow. Second operand 13 states and 1114 transitions. [2024-11-27 20:36:10,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 354 transitions, 3334 flow [2024-11-27 20:36:10,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 354 transitions, 3285 flow, removed 10 selfloop flow, removed 9 redundant places. [2024-11-27 20:36:10,331 INFO L231 Difference]: Finished difference. Result has 226 places, 344 transitions, 3176 flow [2024-11-27 20:36:10,332 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3090, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3176, PETRI_PLACES=226, PETRI_TRANSITIONS=344} [2024-11-27 20:36:10,332 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 112 predicate places. [2024-11-27 20:36:10,332 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 344 transitions, 3176 flow [2024-11-27 20:36:10,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:10,332 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:10,332 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] [2024-11-27 20:36:10,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-27 20:36:10,333 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:10,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:10,333 INFO L85 PathProgramCache]: Analyzing trace with hash -605094856, now seen corresponding path program 24 times [2024-11-27 20:36:10,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:10,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610648835] [2024-11-27 20:36:10,333 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:36:10,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:10,345 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:36:10,345 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:10,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:10,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610648835] [2024-11-27 20:36:10,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610648835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:10,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:10,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:10,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295161500] [2024-11-27 20:36:10,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:10,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:10,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:10,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:10,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:11,632 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:11,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 344 transitions, 3176 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:11,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:11,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:11,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:12,187 INFO L124 PetriNetUnfolderBase]: 512/1924 cut-off events. [2024-11-27 20:36:12,187 INFO L125 PetriNetUnfolderBase]: For 6171/6288 co-relation queries the response was YES. [2024-11-27 20:36:12,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6863 conditions, 1924 events. 512/1924 cut-off events. For 6171/6288 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 14976 event pairs, 19 based on Foata normal form. 17/1937 useless extension candidates. Maximal degree in co-relation 6805. Up to 345 conditions per place. [2024-11-27 20:36:12,198 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 31 selfloop transitions, 16 changer transitions 11/329 dead transitions. [2024-11-27 20:36:12,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 329 transitions, 3006 flow [2024-11-27 20:36:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1108 transitions. [2024-11-27 20:36:12,200 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7678447678447679 [2024-11-27 20:36:12,200 INFO L175 Difference]: Start difference. First operand has 226 places, 344 transitions, 3176 flow. Second operand 13 states and 1108 transitions. [2024-11-27 20:36:12,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 329 transitions, 3006 flow [2024-11-27 20:36:12,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 329 transitions, 2943 flow, removed 10 selfloop flow, removed 12 redundant places. [2024-11-27 20:36:12,233 INFO L231 Difference]: Finished difference. Result has 228 places, 316 transitions, 2780 flow [2024-11-27 20:36:12,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2791, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2780, PETRI_PLACES=228, PETRI_TRANSITIONS=316} [2024-11-27 20:36:12,233 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 114 predicate places. [2024-11-27 20:36:12,234 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 316 transitions, 2780 flow [2024-11-27 20:36:12,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:12,234 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:12,234 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] [2024-11-27 20:36:12,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-27 20:36:12,234 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:12,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:12,235 INFO L85 PathProgramCache]: Analyzing trace with hash -390081828, now seen corresponding path program 25 times [2024-11-27 20:36:12,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:12,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72217484] [2024-11-27 20:36:12,235 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:36:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:36:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:12,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:12,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72217484] [2024-11-27 20:36:12,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72217484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:12,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:12,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:12,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769640304] [2024-11-27 20:36:12,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:12,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:12,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:12,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:12,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:13,382 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:13,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 316 transitions, 2780 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:13,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:13,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:13,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:13,962 INFO L124 PetriNetUnfolderBase]: 516/1874 cut-off events. [2024-11-27 20:36:13,962 INFO L125 PetriNetUnfolderBase]: For 6127/6255 co-relation queries the response was YES. [2024-11-27 20:36:13,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6718 conditions, 1874 events. 516/1874 cut-off events. For 6127/6255 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 14410 event pairs, 20 based on Foata normal form. 18/1888 useless extension candidates. Maximal degree in co-relation 6660. Up to 336 conditions per place. [2024-11-27 20:36:13,976 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 22 selfloop transitions, 25 changer transitions 4/322 dead transitions. [2024-11-27 20:36:13,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 322 transitions, 2953 flow [2024-11-27 20:36:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1103 transitions. [2024-11-27 20:36:13,978 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7643797643797644 [2024-11-27 20:36:13,978 INFO L175 Difference]: Start difference. First operand has 228 places, 316 transitions, 2780 flow. Second operand 13 states and 1103 transitions. [2024-11-27 20:36:13,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 322 transitions, 2953 flow [2024-11-27 20:36:14,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 322 transitions, 2854 flow, removed 9 selfloop flow, removed 18 redundant places. [2024-11-27 20:36:14,016 INFO L231 Difference]: Finished difference. Result has 216 places, 316 transitions, 2773 flow [2024-11-27 20:36:14,016 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2702, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2773, PETRI_PLACES=216, PETRI_TRANSITIONS=316} [2024-11-27 20:36:14,016 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 102 predicate places. [2024-11-27 20:36:14,016 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 316 transitions, 2773 flow [2024-11-27 20:36:14,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:14,017 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:14,017 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] [2024-11-27 20:36:14,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-27 20:36:14,017 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:14,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:14,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1174224924, now seen corresponding path program 26 times [2024-11-27 20:36:14,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:14,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827383744] [2024-11-27 20:36:14,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:36:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:14,038 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:36:14,038 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:14,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:14,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827383744] [2024-11-27 20:36:14,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827383744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:14,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:14,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:14,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504236127] [2024-11-27 20:36:14,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:14,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:14,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:14,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:14,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:15,436 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:15,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 316 transitions, 2773 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:15,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:15,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:15,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:15,847 INFO L124 PetriNetUnfolderBase]: 248/1042 cut-off events. [2024-11-27 20:36:15,848 INFO L125 PetriNetUnfolderBase]: For 2839/2897 co-relation queries the response was YES. [2024-11-27 20:36:15,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3575 conditions, 1042 events. 248/1042 cut-off events. For 2839/2897 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6738 event pairs, 11 based on Foata normal form. 6/1046 useless extension candidates. Maximal degree in co-relation 3521. Up to 172 conditions per place. [2024-11-27 20:36:15,858 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 16 selfloop transitions, 14 changer transitions 7/259 dead transitions. [2024-11-27 20:36:15,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 259 transitions, 2066 flow [2024-11-27 20:36:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1102 transitions. [2024-11-27 20:36:15,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7636867636867637 [2024-11-27 20:36:15,860 INFO L175 Difference]: Start difference. First operand has 216 places, 316 transitions, 2773 flow. Second operand 13 states and 1102 transitions. [2024-11-27 20:36:15,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 259 transitions, 2066 flow [2024-11-27 20:36:15,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 259 transitions, 1907 flow, removed 47 selfloop flow, removed 23 redundant places. [2024-11-27 20:36:15,878 INFO L231 Difference]: Finished difference. Result has 193 places, 252 transitions, 1811 flow [2024-11-27 20:36:15,878 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1818, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1811, PETRI_PLACES=193, PETRI_TRANSITIONS=252} [2024-11-27 20:36:15,879 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 79 predicate places. [2024-11-27 20:36:15,879 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 252 transitions, 1811 flow [2024-11-27 20:36:15,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:15,879 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:15,879 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] [2024-11-27 20:36:15,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-27 20:36:15,879 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:15,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:15,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1752499402, now seen corresponding path program 26 times [2024-11-27 20:36:15,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:15,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824860907] [2024-11-27 20:36:15,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:36:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:15,895 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:36:15,895 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:16,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:16,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824860907] [2024-11-27 20:36:16,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824860907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:16,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:16,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:16,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363955209] [2024-11-27 20:36:16,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:16,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:16,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:16,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:16,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:16,753 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:16,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 252 transitions, 1811 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:16,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:16,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:16,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:17,114 INFO L124 PetriNetUnfolderBase]: 244/1035 cut-off events. [2024-11-27 20:36:17,114 INFO L125 PetriNetUnfolderBase]: For 2146/2191 co-relation queries the response was YES. [2024-11-27 20:36:17,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3303 conditions, 1035 events. 244/1035 cut-off events. For 2146/2191 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6729 event pairs, 12 based on Foata normal form. 9/1042 useless extension candidates. Maximal degree in co-relation 3261. Up to 178 conditions per place. [2024-11-27 20:36:17,120 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 11 selfloop transitions, 19 changer transitions 8/258 dead transitions. [2024-11-27 20:36:17,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 258 transitions, 1927 flow [2024-11-27 20:36:17,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:17,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1102 transitions. [2024-11-27 20:36:17,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7636867636867637 [2024-11-27 20:36:17,121 INFO L175 Difference]: Start difference. First operand has 193 places, 252 transitions, 1811 flow. Second operand 13 states and 1102 transitions. [2024-11-27 20:36:17,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 258 transitions, 1927 flow [2024-11-27 20:36:17,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 258 transitions, 1869 flow, removed 12 selfloop flow, removed 13 redundant places. [2024-11-27 20:36:17,139 INFO L231 Difference]: Finished difference. Result has 187 places, 249 transitions, 1788 flow [2024-11-27 20:36:17,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1768, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1788, PETRI_PLACES=187, PETRI_TRANSITIONS=249} [2024-11-27 20:36:17,139 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 73 predicate places. [2024-11-27 20:36:17,140 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 249 transitions, 1788 flow [2024-11-27 20:36:17,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:17,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:36:17,140 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] [2024-11-27 20:36:17,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-27 20:36:17,140 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-27 20:36:17,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:36:17,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1212456546, now seen corresponding path program 27 times [2024-11-27 20:36:17,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:36:17,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425853770] [2024-11-27 20:36:17,141 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:36:17,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:36:17,157 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:36:17,157 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:36:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:36:17,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:36:17,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425853770] [2024-11-27 20:36:17,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425853770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:36:17,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:36:17,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:36:17,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067360166] [2024-11-27 20:36:17,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:36:17,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:36:17,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:36:17,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:36:17,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:36:18,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-11-27 20:36:18,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 249 transitions, 1788 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:18,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:36:18,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-11-27 20:36:18,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:36:18,483 INFO L124 PetriNetUnfolderBase]: 0/102 cut-off events. [2024-11-27 20:36:18,483 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2024-11-27 20:36:18,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 102 events. 0/102 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 2/104 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2024-11-27 20:36:18,483 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions. [2024-11-27 20:36:18,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 90 transitions, 446 flow [2024-11-27 20:36:18,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:36:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-27 20:36:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1093 transitions. [2024-11-27 20:36:18,484 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7574497574497574 [2024-11-27 20:36:18,484 INFO L175 Difference]: Start difference. First operand has 187 places, 249 transitions, 1788 flow. Second operand 13 states and 1093 transitions. [2024-11-27 20:36:18,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 90 transitions, 446 flow [2024-11-27 20:36:18,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 90 transitions, 266 flow, removed 31 selfloop flow, removed 57 redundant places. [2024-11-27 20:36:18,486 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2024-11-27 20:36:18,487 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2024-11-27 20:36:18,487 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 8 predicate places. [2024-11-27 20:36:18,487 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2024-11-27 20:36:18,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 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) [2024-11-27 20:36:18,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-27 20:36:18,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-27 20:36:18,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-27 20:36:18,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-27 20:36:18,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-27 20:36:18,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-27 20:36:18,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2024-11-27 20:36:18,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-27 20:36:18,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-27 20:36:18,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-27 20:36:18,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-27 20:36:18,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-27 20:36:18,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-27 20:36:18,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-27 20:36:18,491 INFO L422 BasicCegarLoop]: Path program histogram: [27, 26, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:36:18,499 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:36:18,499 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:36:18,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:36:18 BasicIcfg [2024-11-27 20:36:18,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:36:18,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:36:18,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:36:18,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:36:18,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:12" (3/4) ... [2024-11-27 20:36:18,512 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:36:18,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-27 20:36:18,520 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 20:36:18,521 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:36:18,521 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 20:36:18,601 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:36:18,602 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:36:18,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:36:18,603 INFO L158 Benchmark]: Toolchain (without parser) took 127287.63ms. Allocated memory was 117.4MB in the beginning and 679.5MB in the end (delta: 562.0MB). Free memory was 90.3MB in the beginning and 465.0MB in the end (delta: -374.7MB). Peak memory consumption was 185.1MB. Max. memory is 16.1GB. [2024-11-27 20:36:18,603 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:36:18,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.18ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 67.0MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:36:18,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.97ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:36:18,605 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:36:18,606 INFO L158 Benchmark]: RCFGBuilder took 598.03ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 46.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:36:18,607 INFO L158 Benchmark]: TraceAbstraction took 126005.01ms. Allocated memory was 117.4MB in the beginning and 679.5MB in the end (delta: 562.0MB). Free memory was 46.3MB in the beginning and 469.2MB in the end (delta: -422.9MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2024-11-27 20:36:18,608 INFO L158 Benchmark]: Witness Printer took 93.15ms. Allocated memory is still 679.5MB. Free memory was 469.2MB in the beginning and 465.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:36:18,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.18ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 67.0MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.97ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.03ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 46.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 126005.01ms. Allocated memory was 117.4MB in the beginning and 679.5MB in the end (delta: 562.0MB). Free memory was 46.3MB in the beginning and 469.2MB in the end (delta: -422.9MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. * Witness Printer took 93.15ms. Allocated memory is still 679.5MB. Free memory was 469.2MB in the beginning and 465.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3010]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3011]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 2995]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3013]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3005]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 149 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 125.8s, OverallIterations: 61, TraceHistogramMax: 1, PathProgramHistogramMax: 27, EmptinessCheckTime: 0.0s, AutomataDifference: 96.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30909 SdHoareTripleChecker+Valid, 48.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26964 mSDsluCounter, 117385 SdHoareTripleChecker+Invalid, 40.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115510 mSDsCounter, 479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77786 IncrementalHoareTripleChecker+Invalid, 78265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 479 mSolverCounterUnsat, 1875 mSDtfsCounter, 77786 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1295 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1098 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2517 ImplicationChecksByTransitivity, 16.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4081occurred in iteration=44, InterpolantAutomatonStates: 774, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 3992 NumberOfCodeBlocks, 3992 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 3931 ConstructedInterpolants, 0 QuantifiedInterpolants, 19498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 61 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:36:18,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4a809d-9912-421e-9a30-95a87edd8d0c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE