./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd --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 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:46:00,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:46:00,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:46:00,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:46:00,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:46:00,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:46:00,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:46:00,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:46:00,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:46:00,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:46:00,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:46:00,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:46:00,890 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:46:00,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:46:00,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:46:00,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:46:00,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:46:00,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:46:00,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:46:00,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:46:00,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:46:00,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:46:00,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:46:00,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:46:00,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:46:00,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:46:00,894 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_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd 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 -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2024-11-13 15:46:01,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:46:01,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:46:01,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:46:01,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:46:01,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:46:01,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i Unable to find full path for "g++" [2024-11-13 15:46:03,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:46:03,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:46:03,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-11-13 15:46:03,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/data/6ab4deaa6/36f7372c06364f30ae14a4527595e14f/FLAGfb080deea [2024-11-13 15:46:03,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/data/6ab4deaa6/36f7372c06364f30ae14a4527595e14f [2024-11-13 15:46:03,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:46:03,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:46:03,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:46:03,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:46:03,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:46:03,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:46:03" (1/1) ... [2024-11-13 15:46:03,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3747e4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:03, skipping insertion in model container [2024-11-13 15:46:03,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:46:03" (1/1) ... [2024-11-13 15:46:04,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:46:04,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:46:04,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:46:04,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:46:04,910 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:46:04,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04 WrapperNode [2024-11-13 15:46:04,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:46:04,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:46:04,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:46:04,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:46:04,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:04,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,003 INFO L138 Inliner]: procedures = 369, calls = 39, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2024-11-13 15:46:05,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:46:05,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:46:05,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:46:05,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:46:05,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:46:05,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:46:05,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:46:05,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:46:05,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (1/1) ... [2024-11-13 15:46:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:46:05,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:46:05,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:46:05,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8af6ca-522c-47f0-8104-87f12f364a22/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:46:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 15:46:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:46:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:46:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:46:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:46:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:46:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:46:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:46:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 15:46:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 15:46:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 15:46:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:46:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:46:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:46:05,134 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:46:05,312 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:46:05,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:46:05,898 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:46:05,898 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:46:05,936 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:46:05,936 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:46:05,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:46:05 BoogieIcfgContainer [2024-11-13 15:46:05,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:46:05,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:46:05,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:46:05,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:46:05,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:46:03" (1/3) ... [2024-11-13 15:46:05,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2151efde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:46:05, skipping insertion in model container [2024-11-13 15:46:05,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:46:04" (2/3) ... [2024-11-13 15:46:05,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2151efde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:46:05, skipping insertion in model container [2024-11-13 15:46:05,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:46:05" (3/3) ... [2024-11-13 15:46:05,953 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2024-11-13 15:46:05,974 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:46:05,976 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_01-list_rc.i that has 2 procedures, 206 locations, 1 initial locations, 0 loop locations, and 18 error locations. [2024-11-13 15:46:05,976 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:46:06,117 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:46:06,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 205 transitions, 414 flow [2024-11-13 15:46:06,327 INFO L124 PetriNetUnfolderBase]: 0/204 cut-off events. [2024-11-13 15:46:06,330 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:46:06,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 204 events. 0/204 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-13 15:46:06,342 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 205 transitions, 414 flow [2024-11-13 15:46:06,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 208 places, 204 transitions, 411 flow [2024-11-13 15:46:06,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:46:06,382 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;@73e88b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:46:06,382 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-13 15:46:06,403 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:46:06,403 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-11-13 15:46:06,403 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:46:06,405 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:06,406 INFO L204 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] [2024-11-13 15:46:06,406 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:06,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:06,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1204880812, now seen corresponding path program 1 times [2024-11-13 15:46:06,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:06,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637642626] [2024-11-13 15:46:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:06,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:07,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:07,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:07,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637642626] [2024-11-13 15:46:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637642626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:07,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:07,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:46:07,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750658725] [2024-11-13 15:46:07,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:07,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:07,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:07,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:07,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:08,127 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 205 [2024-11-13 15:46:08,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 204 transitions, 411 flow. Second operand has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:08,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:08,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 205 [2024-11-13 15:46:08,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:08,536 INFO L124 PetriNetUnfolderBase]: 220/1028 cut-off events. [2024-11-13 15:46:08,536 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:46:08,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 1028 events. 220/1028 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5353 event pairs, 220 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-11-13 15:46:08,552 INFO L140 encePairwiseOnDemand]: 193/205 looper letters, 47 selfloop transitions, 10 changer transitions 0/202 dead transitions. [2024-11-13 15:46:08,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 202 transitions, 521 flow [2024-11-13 15:46:08,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:46:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 935 transitions. [2024-11-13 15:46:08,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7601626016260162 [2024-11-13 15:46:08,583 INFO L175 Difference]: Start difference. First operand has 208 places, 204 transitions, 411 flow. Second operand 6 states and 935 transitions. [2024-11-13 15:46:08,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 202 transitions, 521 flow [2024-11-13 15:46:08,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 202 transitions, 520 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:46:08,605 INFO L231 Difference]: Finished difference. Result has 210 places, 202 transitions, 426 flow [2024-11-13 15:46:08,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=426, PETRI_PLACES=210, PETRI_TRANSITIONS=202} [2024-11-13 15:46:08,615 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 2 predicate places. [2024-11-13 15:46:08,615 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 202 transitions, 426 flow [2024-11-13 15:46:08,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:08,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:08,616 INFO L204 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] [2024-11-13 15:46:08,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:46:08,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:08,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:08,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1026168833, now seen corresponding path program 1 times [2024-11-13 15:46:08,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:08,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85165002] [2024-11-13 15:46:08,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:08,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:09,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:09,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85165002] [2024-11-13 15:46:09,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85165002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:09,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:09,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:46:09,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663240940] [2024-11-13 15:46:09,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:09,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:09,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:09,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:09,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:09,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 205 [2024-11-13 15:46:09,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 202 transitions, 426 flow. Second operand has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:09,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:09,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 205 [2024-11-13 15:46:09,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:10,113 INFO L124 PetriNetUnfolderBase]: 220/1026 cut-off events. [2024-11-13 15:46:10,113 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:46:10,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1538 conditions, 1026 events. 220/1026 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5342 event pairs, 220 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-11-13 15:46:10,125 INFO L140 encePairwiseOnDemand]: 193/205 looper letters, 47 selfloop transitions, 10 changer transitions 0/200 dead transitions. [2024-11-13 15:46:10,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 200 transitions, 536 flow [2024-11-13 15:46:10,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:46:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 935 transitions. [2024-11-13 15:46:10,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7601626016260162 [2024-11-13 15:46:10,129 INFO L175 Difference]: Start difference. First operand has 210 places, 202 transitions, 426 flow. Second operand 6 states and 935 transitions. [2024-11-13 15:46:10,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 200 transitions, 536 flow [2024-11-13 15:46:10,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 200 transitions, 516 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 15:46:10,139 INFO L231 Difference]: Finished difference. Result has 208 places, 200 transitions, 422 flow [2024-11-13 15:46:10,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=422, PETRI_PLACES=208, PETRI_TRANSITIONS=200} [2024-11-13 15:46:10,141 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 0 predicate places. [2024-11-13 15:46:10,141 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 200 transitions, 422 flow [2024-11-13 15:46:10,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:10,142 INFO L204 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] [2024-11-13 15:46:10,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:46:10,142 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:10,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:10,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1653333830, now seen corresponding path program 1 times [2024-11-13 15:46:10,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:10,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620947485] [2024-11-13 15:46:10,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:10,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:10,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:10,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620947485] [2024-11-13 15:46:10,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620947485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:10,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:10,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:46:10,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952641314] [2024-11-13 15:46:10,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:10,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:10,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:10,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:10,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:10,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 205 [2024-11-13 15:46:10,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 200 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:10,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 205 [2024-11-13 15:46:10,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:10,384 INFO L124 PetriNetUnfolderBase]: 16/335 cut-off events. [2024-11-13 15:46:10,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:46:10,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 335 events. 16/335 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 762 event pairs, 16 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-11-13 15:46:10,388 INFO L140 encePairwiseOnDemand]: 202/205 looper letters, 14 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2024-11-13 15:46:10,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 199 transitions, 452 flow [2024-11-13 15:46:10,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:46:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 581 transitions. [2024-11-13 15:46:10,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9447154471544715 [2024-11-13 15:46:10,390 INFO L175 Difference]: Start difference. First operand has 208 places, 200 transitions, 422 flow. Second operand 3 states and 581 transitions. [2024-11-13 15:46:10,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 199 transitions, 452 flow [2024-11-13 15:46:10,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 199 transitions, 432 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 15:46:10,399 INFO L231 Difference]: Finished difference. Result has 204 places, 199 transitions, 404 flow [2024-11-13 15:46:10,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=204, PETRI_TRANSITIONS=199} [2024-11-13 15:46:10,400 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, -4 predicate places. [2024-11-13 15:46:10,401 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 199 transitions, 404 flow [2024-11-13 15:46:10,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:10,401 INFO L204 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] [2024-11-13 15:46:10,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:46:10,402 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:10,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:10,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1858158028, now seen corresponding path program 1 times [2024-11-13 15:46:10,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:10,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564288066] [2024-11-13 15:46:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:10,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:10,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564288066] [2024-11-13 15:46:10,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564288066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:10,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:10,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:46:10,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284394354] [2024-11-13 15:46:10,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:10,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:10,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:10,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:10,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:10,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 205 [2024-11-13 15:46:10,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 199 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:10,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 205 [2024-11-13 15:46:10,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:10,606 INFO L124 PetriNetUnfolderBase]: 24/412 cut-off events. [2024-11-13 15:46:10,606 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:46:10,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 412 events. 24/412 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1200 event pairs, 24 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-11-13 15:46:10,608 INFO L140 encePairwiseOnDemand]: 199/205 looper letters, 15 selfloop transitions, 1 changer transitions 0/194 dead transitions. [2024-11-13 15:46:10,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 194 transitions, 426 flow [2024-11-13 15:46:10,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:46:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 573 transitions. [2024-11-13 15:46:10,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9317073170731708 [2024-11-13 15:46:10,611 INFO L175 Difference]: Start difference. First operand has 204 places, 199 transitions, 404 flow. Second operand 3 states and 573 transitions. [2024-11-13 15:46:10,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 194 transitions, 426 flow [2024-11-13 15:46:10,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 194 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:46:10,618 INFO L231 Difference]: Finished difference. Result has 199 places, 194 transitions, 392 flow [2024-11-13 15:46:10,618 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=199, PETRI_TRANSITIONS=194} [2024-11-13 15:46:10,619 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, -9 predicate places. [2024-11-13 15:46:10,619 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 194 transitions, 392 flow [2024-11-13 15:46:10,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,620 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:10,621 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:10,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:46:10,621 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:10,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:10,622 INFO L85 PathProgramCache]: Analyzing trace with hash 409152118, now seen corresponding path program 1 times [2024-11-13 15:46:10,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:10,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474264048] [2024-11-13 15:46:10,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:10,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:11,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:11,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474264048] [2024-11-13 15:46:11,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474264048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:11,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:11,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:46:11,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094255710] [2024-11-13 15:46:11,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:11,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:11,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:11,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:11,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:11,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 205 [2024-11-13 15:46:11,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 194 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:11,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:11,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 205 [2024-11-13 15:46:11,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:12,141 INFO L124 PetriNetUnfolderBase]: 288/1165 cut-off events. [2024-11-13 15:46:12,142 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:46:12,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1810 conditions, 1165 events. 288/1165 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6232 event pairs, 288 based on Foata normal form. 0/1106 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-11-13 15:46:12,150 INFO L140 encePairwiseOnDemand]: 199/205 looper letters, 58 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2024-11-13 15:46:12,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 193 transitions, 516 flow [2024-11-13 15:46:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:46:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 910 transitions. [2024-11-13 15:46:12,154 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7398373983739838 [2024-11-13 15:46:12,155 INFO L175 Difference]: Start difference. First operand has 199 places, 194 transitions, 392 flow. Second operand 6 states and 910 transitions. [2024-11-13 15:46:12,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 193 transitions, 516 flow [2024-11-13 15:46:12,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 193 transitions, 515 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:46:12,159 INFO L231 Difference]: Finished difference. Result has 202 places, 193 transitions, 399 flow [2024-11-13 15:46:12,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=399, PETRI_PLACES=202, PETRI_TRANSITIONS=193} [2024-11-13 15:46:12,160 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, -6 predicate places. [2024-11-13 15:46:12,160 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 193 transitions, 399 flow [2024-11-13 15:46:12,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:12,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:12,161 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:12,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:46:12,162 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:12,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:12,165 INFO L85 PathProgramCache]: Analyzing trace with hash -720222886, now seen corresponding path program 1 times [2024-11-13 15:46:12,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:12,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870538140] [2024-11-13 15:46:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:12,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:12,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:12,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870538140] [2024-11-13 15:46:12,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870538140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:12,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:12,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:46:12,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661470706] [2024-11-13 15:46:12,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:12,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:12,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:12,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:12,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:13,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 205 [2024-11-13 15:46:13,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 193 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:13,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:13,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 205 [2024-11-13 15:46:13,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:14,036 INFO L124 PetriNetUnfolderBase]: 316/1491 cut-off events. [2024-11-13 15:46:14,036 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:46:14,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2227 conditions, 1491 events. 316/1491 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9217 event pairs, 36 based on Foata normal form. 0/1401 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-11-13 15:46:14,047 INFO L140 encePairwiseOnDemand]: 177/205 looper letters, 99 selfloop transitions, 70 changer transitions 0/305 dead transitions. [2024-11-13 15:46:14,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 305 transitions, 961 flow [2024-11-13 15:46:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:46:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1059 transitions. [2024-11-13 15:46:14,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8609756097560975 [2024-11-13 15:46:14,055 INFO L175 Difference]: Start difference. First operand has 202 places, 193 transitions, 399 flow. Second operand 6 states and 1059 transitions. [2024-11-13 15:46:14,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 305 transitions, 961 flow [2024-11-13 15:46:14,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 305 transitions, 951 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 15:46:14,064 INFO L231 Difference]: Finished difference. Result has 206 places, 263 transitions, 867 flow [2024-11-13 15:46:14,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=867, PETRI_PLACES=206, PETRI_TRANSITIONS=263} [2024-11-13 15:46:14,066 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, -2 predicate places. [2024-11-13 15:46:14,066 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 263 transitions, 867 flow [2024-11-13 15:46:14,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:14,067 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:14,067 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:14,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:46:14,068 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:14,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:14,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1324548313, now seen corresponding path program 1 times [2024-11-13 15:46:14,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:14,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840635633] [2024-11-13 15:46:14,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:14,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:14,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:14,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840635633] [2024-11-13 15:46:14,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840635633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:14,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:14,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:46:14,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694389475] [2024-11-13 15:46:14,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:14,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:14,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:14,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:14,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:15,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 205 [2024-11-13 15:46:15,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 263 transitions, 867 flow. Second operand has 6 states, 6 states have (on average 153.83333333333334) internal successors, (923), 6 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:15,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:15,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 205 [2024-11-13 15:46:15,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:15,907 INFO L124 PetriNetUnfolderBase]: 588/2262 cut-off events. [2024-11-13 15:46:15,907 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2024-11-13 15:46:15,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4651 conditions, 2262 events. 588/2262 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15145 event pairs, 222 based on Foata normal form. 0/2151 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-11-13 15:46:15,923 INFO L140 encePairwiseOnDemand]: 190/205 looper letters, 106 selfloop transitions, 48 changer transitions 0/314 dead transitions. [2024-11-13 15:46:15,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 314 transitions, 1347 flow [2024-11-13 15:46:15,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:15,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:46:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 996 transitions. [2024-11-13 15:46:15,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097560975609757 [2024-11-13 15:46:15,927 INFO L175 Difference]: Start difference. First operand has 206 places, 263 transitions, 867 flow. Second operand 6 states and 996 transitions. [2024-11-13 15:46:15,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 314 transitions, 1347 flow [2024-11-13 15:46:15,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 314 transitions, 1347 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:46:15,944 INFO L231 Difference]: Finished difference. Result has 216 places, 306 transitions, 1255 flow [2024-11-13 15:46:15,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1255, PETRI_PLACES=216, PETRI_TRANSITIONS=306} [2024-11-13 15:46:15,946 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 8 predicate places. [2024-11-13 15:46:15,947 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 306 transitions, 1255 flow [2024-11-13 15:46:15,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.83333333333334) internal successors, (923), 6 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:15,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:15,948 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:15,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:46:15,948 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:15,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2047761474, now seen corresponding path program 1 times [2024-11-13 15:46:15,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:15,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641128592] [2024-11-13 15:46:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:15,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:16,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:16,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641128592] [2024-11-13 15:46:16,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641128592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:16,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:16,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:46:16,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435963842] [2024-11-13 15:46:16,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:16,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:16,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:16,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:16,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:16,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 205 [2024-11-13 15:46:16,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 306 transitions, 1255 flow. Second operand has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:16,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:16,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 205 [2024-11-13 15:46:16,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:17,714 INFO L124 PetriNetUnfolderBase]: 738/2833 cut-off events. [2024-11-13 15:46:17,714 INFO L125 PetriNetUnfolderBase]: For 1650/1713 co-relation queries the response was YES. [2024-11-13 15:46:17,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6614 conditions, 2833 events. 738/2833 cut-off events. For 1650/1713 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 20466 event pairs, 86 based on Foata normal form. 0/2736 useless extension candidates. Maximal degree in co-relation 6532. Up to 1024 conditions per place. [2024-11-13 15:46:17,738 INFO L140 encePairwiseOnDemand]: 182/205 looper letters, 128 selfloop transitions, 136 changer transitions 4/446 dead transitions. [2024-11-13 15:46:17,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 446 transitions, 2547 flow [2024-11-13 15:46:17,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:46:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1054 transitions. [2024-11-13 15:46:17,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8569105691056911 [2024-11-13 15:46:17,743 INFO L175 Difference]: Start difference. First operand has 216 places, 306 transitions, 1255 flow. Second operand 6 states and 1054 transitions. [2024-11-13 15:46:17,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 446 transitions, 2547 flow [2024-11-13 15:46:17,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 446 transitions, 2529 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-13 15:46:17,766 INFO L231 Difference]: Finished difference. Result has 226 places, 437 transitions, 2603 flow [2024-11-13 15:46:17,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=1237, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2603, PETRI_PLACES=226, PETRI_TRANSITIONS=437} [2024-11-13 15:46:17,768 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 18 predicate places. [2024-11-13 15:46:17,768 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 437 transitions, 2603 flow [2024-11-13 15:46:17,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:17,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:17,769 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:17,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:46:17,769 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:17,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:17,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1795352714, now seen corresponding path program 1 times [2024-11-13 15:46:17,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:17,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332624035] [2024-11-13 15:46:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:17,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:18,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:18,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332624035] [2024-11-13 15:46:18,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332624035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:18,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:18,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:46:18,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451487626] [2024-11-13 15:46:18,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:18,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:18,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:18,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:18,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:20,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:46:20,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 437 transitions, 2603 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:20,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:20,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:46:20,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:22,438 INFO L124 PetriNetUnfolderBase]: 962/3469 cut-off events. [2024-11-13 15:46:22,438 INFO L125 PetriNetUnfolderBase]: For 4161/4226 co-relation queries the response was YES. [2024-11-13 15:46:22,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9961 conditions, 3469 events. 962/3469 cut-off events. For 4161/4226 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 25508 event pairs, 86 based on Foata normal form. 28/3410 useless extension candidates. Maximal degree in co-relation 9871. Up to 668 conditions per place. [2024-11-13 15:46:22,479 INFO L140 encePairwiseOnDemand]: 184/205 looper letters, 388 selfloop transitions, 79 changer transitions 0/616 dead transitions. [2024-11-13 15:46:22,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 616 transitions, 4663 flow [2024-11-13 15:46:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:46:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-13 15:46:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2768 transitions. [2024-11-13 15:46:22,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7106546854942234 [2024-11-13 15:46:22,488 INFO L175 Difference]: Start difference. First operand has 226 places, 437 transitions, 2603 flow. Second operand 19 states and 2768 transitions. [2024-11-13 15:46:22,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 616 transitions, 4663 flow [2024-11-13 15:46:22,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 616 transitions, 4627 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-13 15:46:22,539 INFO L231 Difference]: Finished difference. Result has 253 places, 484 transitions, 3173 flow [2024-11-13 15:46:22,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=2567, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3173, PETRI_PLACES=253, PETRI_TRANSITIONS=484} [2024-11-13 15:46:22,540 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 45 predicate places. [2024-11-13 15:46:22,541 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 484 transitions, 3173 flow [2024-11-13 15:46:22,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:22,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:22,542 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:22,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:46:22,543 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:22,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1354719404, now seen corresponding path program 2 times [2024-11-13 15:46:22,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:22,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50657412] [2024-11-13 15:46:22,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:22,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:23,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:23,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:23,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50657412] [2024-11-13 15:46:23,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50657412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:23,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:23,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:46:23,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824348623] [2024-11-13 15:46:23,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:23,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:23,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:23,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:23,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:25,636 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:46:25,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 484 transitions, 3173 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:25,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:25,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:46:25,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:28,303 INFO L124 PetriNetUnfolderBase]: 1324/4639 cut-off events. [2024-11-13 15:46:28,303 INFO L125 PetriNetUnfolderBase]: For 8252/8370 co-relation queries the response was YES. [2024-11-13 15:46:28,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14588 conditions, 4639 events. 1324/4639 cut-off events. For 8252/8370 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 37141 event pairs, 106 based on Foata normal form. 47/4555 useless extension candidates. Maximal degree in co-relation 14485. Up to 942 conditions per place. [2024-11-13 15:46:28,349 INFO L140 encePairwiseOnDemand]: 172/205 looper letters, 431 selfloop transitions, 159 changer transitions 3/742 dead transitions. [2024-11-13 15:46:28,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 742 transitions, 6263 flow [2024-11-13 15:46:28,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 15:46:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-13 15:46:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2980 transitions. [2024-11-13 15:46:28,361 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7268292682926829 [2024-11-13 15:46:28,361 INFO L175 Difference]: Start difference. First operand has 253 places, 484 transitions, 3173 flow. Second operand 20 states and 2980 transitions. [2024-11-13 15:46:28,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 742 transitions, 6263 flow [2024-11-13 15:46:28,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 742 transitions, 6246 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 15:46:28,426 INFO L231 Difference]: Finished difference. Result has 278 places, 566 transitions, 4689 flow [2024-11-13 15:46:28,429 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=3160, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4689, PETRI_PLACES=278, PETRI_TRANSITIONS=566} [2024-11-13 15:46:28,431 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 70 predicate places. [2024-11-13 15:46:28,431 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 566 transitions, 4689 flow [2024-11-13 15:46:28,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:28,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:28,432 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:28,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:46:28,433 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:28,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:28,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1283484214, now seen corresponding path program 3 times [2024-11-13 15:46:28,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:28,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713457364] [2024-11-13 15:46:28,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:29,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:29,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713457364] [2024-11-13 15:46:29,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713457364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:29,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:29,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:46:29,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812411085] [2024-11-13 15:46:29,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:29,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:29,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:29,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:30,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:46:30,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 566 transitions, 4689 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:30,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:30,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:46:30,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:32,430 INFO L124 PetriNetUnfolderBase]: 1800/6387 cut-off events. [2024-11-13 15:46:32,430 INFO L125 PetriNetUnfolderBase]: For 17674/17892 co-relation queries the response was YES. [2024-11-13 15:46:32,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21763 conditions, 6387 events. 1800/6387 cut-off events. For 17674/17892 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 57414 event pairs, 226 based on Foata normal form. 66/6278 useless extension candidates. Maximal degree in co-relation 21648. Up to 2007 conditions per place. [2024-11-13 15:46:32,471 INFO L140 encePairwiseOnDemand]: 172/205 looper letters, 432 selfloop transitions, 199 changer transitions 1/781 dead transitions. [2024-11-13 15:46:32,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 781 transitions, 8074 flow [2024-11-13 15:46:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 15:46:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-13 15:46:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2201 transitions. [2024-11-13 15:46:32,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7157723577235773 [2024-11-13 15:46:32,476 INFO L175 Difference]: Start difference. First operand has 278 places, 566 transitions, 4689 flow. Second operand 15 states and 2201 transitions. [2024-11-13 15:46:32,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 781 transitions, 8074 flow [2024-11-13 15:46:32,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 781 transitions, 8036 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-13 15:46:32,579 INFO L231 Difference]: Finished difference. Result has 295 places, 666 transitions, 6868 flow [2024-11-13 15:46:32,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=4657, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6868, PETRI_PLACES=295, PETRI_TRANSITIONS=666} [2024-11-13 15:46:32,580 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 87 predicate places. [2024-11-13 15:46:32,581 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 666 transitions, 6868 flow [2024-11-13 15:46:32,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:32,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:32,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:32,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:46:32,582 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:32,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:32,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1702988508, now seen corresponding path program 4 times [2024-11-13 15:46:32,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:32,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435249241] [2024-11-13 15:46:32,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:32,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:33,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:33,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435249241] [2024-11-13 15:46:33,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435249241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:33,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:33,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:46:33,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730121076] [2024-11-13 15:46:33,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:33,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:33,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:33,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:33,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:35,339 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:46:35,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 666 transitions, 6868 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:35,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:35,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:46:35,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:38,312 INFO L124 PetriNetUnfolderBase]: 2611/9337 cut-off events. [2024-11-13 15:46:38,312 INFO L125 PetriNetUnfolderBase]: For 36928/37261 co-relation queries the response was YES. [2024-11-13 15:46:38,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33538 conditions, 9337 events. 2611/9337 cut-off events. For 36928/37261 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 93480 event pairs, 199 based on Foata normal form. 102/9195 useless extension candidates. Maximal degree in co-relation 33413. Up to 2025 conditions per place. [2024-11-13 15:46:38,397 INFO L140 encePairwiseOnDemand]: 170/205 looper letters, 494 selfloop transitions, 367 changer transitions 2/1012 dead transitions. [2024-11-13 15:46:38,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 1012 transitions, 12506 flow [2024-11-13 15:46:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:46:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-13 15:46:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2832 transitions. [2024-11-13 15:46:38,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7270860077021822 [2024-11-13 15:46:38,406 INFO L175 Difference]: Start difference. First operand has 295 places, 666 transitions, 6868 flow. Second operand 19 states and 2832 transitions. [2024-11-13 15:46:38,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 1012 transitions, 12506 flow [2024-11-13 15:46:38,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 1012 transitions, 12437 flow, removed 32 selfloop flow, removed 3 redundant places. [2024-11-13 15:46:38,594 INFO L231 Difference]: Finished difference. Result has 325 places, 811 transitions, 10724 flow [2024-11-13 15:46:38,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=6833, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10724, PETRI_PLACES=325, PETRI_TRANSITIONS=811} [2024-11-13 15:46:38,595 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 117 predicate places. [2024-11-13 15:46:38,597 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 811 transitions, 10724 flow [2024-11-13 15:46:38,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:38,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:38,598 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:38,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:46:38,598 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:38,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:38,599 INFO L85 PathProgramCache]: Analyzing trace with hash 610585994, now seen corresponding path program 1 times [2024-11-13 15:46:38,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:38,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517243728] [2024-11-13 15:46:38,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:39,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:39,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517243728] [2024-11-13 15:46:39,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517243728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:39,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:39,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:46:39,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896537808] [2024-11-13 15:46:39,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:39,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:39,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:39,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:39,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:41,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 205 [2024-11-13 15:46:41,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 811 transitions, 10724 flow. Second operand has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:41,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:41,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 205 [2024-11-13 15:46:41,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:44,405 INFO L124 PetriNetUnfolderBase]: 3234/10852 cut-off events. [2024-11-13 15:46:44,405 INFO L125 PetriNetUnfolderBase]: For 50515/50857 co-relation queries the response was YES. [2024-11-13 15:46:44,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41268 conditions, 10852 events. 3234/10852 cut-off events. For 50515/50857 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 108406 event pairs, 563 based on Foata normal form. 68/10664 useless extension candidates. Maximal degree in co-relation 41127. Up to 2507 conditions per place. [2024-11-13 15:46:44,517 INFO L140 encePairwiseOnDemand]: 184/205 looper letters, 457 selfloop transitions, 187 changer transitions 0/955 dead transitions. [2024-11-13 15:46:44,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 955 transitions, 13474 flow [2024-11-13 15:46:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:46:44,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 15:46:44,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2104 transitions. [2024-11-13 15:46:44,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7331010452961673 [2024-11-13 15:46:44,521 INFO L175 Difference]: Start difference. First operand has 325 places, 811 transitions, 10724 flow. Second operand 14 states and 2104 transitions. [2024-11-13 15:46:44,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 955 transitions, 13474 flow [2024-11-13 15:46:44,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 955 transitions, 13391 flow, removed 39 selfloop flow, removed 3 redundant places. [2024-11-13 15:46:44,817 INFO L231 Difference]: Finished difference. Result has 340 places, 826 transitions, 11509 flow [2024-11-13 15:46:44,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=10657, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=811, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11509, PETRI_PLACES=340, PETRI_TRANSITIONS=826} [2024-11-13 15:46:44,820 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 132 predicate places. [2024-11-13 15:46:44,820 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 826 transitions, 11509 flow [2024-11-13 15:46:44,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 141.07692307692307) internal successors, (1834), 13 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:44,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:44,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:44,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:46:44,821 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:44,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:44,822 INFO L85 PathProgramCache]: Analyzing trace with hash 555972208, now seen corresponding path program 5 times [2024-11-13 15:46:44,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:44,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954896766] [2024-11-13 15:46:44,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:44,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:45,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:45,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954896766] [2024-11-13 15:46:45,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954896766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:45,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:45,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:46:45,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143824607] [2024-11-13 15:46:45,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:45,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:45,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:45,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:45,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:46,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:46:46,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 826 transitions, 11509 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:46,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:46,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:46:46,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:50,964 INFO L124 PetriNetUnfolderBase]: 3424/12064 cut-off events. [2024-11-13 15:46:50,964 INFO L125 PetriNetUnfolderBase]: For 75407/76059 co-relation queries the response was YES. [2024-11-13 15:46:51,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49741 conditions, 12064 events. 3424/12064 cut-off events. For 75407/76059 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 129134 event pairs, 282 based on Foata normal form. 185/11947 useless extension candidates. Maximal degree in co-relation 49594. Up to 2452 conditions per place. [2024-11-13 15:46:51,080 INFO L140 encePairwiseOnDemand]: 176/205 looper letters, 506 selfloop transitions, 397 changer transitions 0/1058 dead transitions. [2024-11-13 15:46:51,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 1058 transitions, 16637 flow [2024-11-13 15:46:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:46:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-13 15:46:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2645 transitions. [2024-11-13 15:46:51,083 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7168021680216802 [2024-11-13 15:46:51,084 INFO L175 Difference]: Start difference. First operand has 340 places, 826 transitions, 11509 flow. Second operand 18 states and 2645 transitions. [2024-11-13 15:46:51,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 1058 transitions, 16637 flow [2024-11-13 15:46:51,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 1058 transitions, 16485 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-13 15:46:51,342 INFO L231 Difference]: Finished difference. Result has 357 places, 921 transitions, 15138 flow [2024-11-13 15:46:51,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=11389, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=826, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=15138, PETRI_PLACES=357, PETRI_TRANSITIONS=921} [2024-11-13 15:46:51,343 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 149 predicate places. [2024-11-13 15:46:51,343 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 921 transitions, 15138 flow [2024-11-13 15:46:51,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:51,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:51,344 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:51,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:46:51,344 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:51,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:51,345 INFO L85 PathProgramCache]: Analyzing trace with hash -167609192, now seen corresponding path program 6 times [2024-11-13 15:46:51,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:51,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261497692] [2024-11-13 15:46:51,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:51,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:52,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:52,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261497692] [2024-11-13 15:46:52,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261497692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:52,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:52,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:46:52,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574108345] [2024-11-13 15:46:52,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:52,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:52,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:52,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:52,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:53,582 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:46:53,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 921 transitions, 15138 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:53,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:46:53,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:46:53,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:46:58,943 INFO L124 PetriNetUnfolderBase]: 3876/13687 cut-off events. [2024-11-13 15:46:58,943 INFO L125 PetriNetUnfolderBase]: For 109200/110038 co-relation queries the response was YES. [2024-11-13 15:46:59,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58512 conditions, 13687 events. 3876/13687 cut-off events. For 109200/110038 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 151320 event pairs, 293 based on Foata normal form. 260/13593 useless extension candidates. Maximal degree in co-relation 58357. Up to 2792 conditions per place. [2024-11-13 15:46:59,065 INFO L140 encePairwiseOnDemand]: 172/205 looper letters, 624 selfloop transitions, 418 changer transitions 3/1200 dead transitions. [2024-11-13 15:46:59,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 1200 transitions, 20964 flow [2024-11-13 15:46:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:46:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-13 15:46:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3266 transitions. [2024-11-13 15:46:59,069 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7241685144124168 [2024-11-13 15:46:59,069 INFO L175 Difference]: Start difference. First operand has 357 places, 921 transitions, 15138 flow. Second operand 22 states and 3266 transitions. [2024-11-13 15:46:59,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 1200 transitions, 20964 flow [2024-11-13 15:46:59,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 1200 transitions, 20899 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-11-13 15:46:59,418 INFO L231 Difference]: Finished difference. Result has 378 places, 1005 transitions, 18840 flow [2024-11-13 15:46:59,419 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=15075, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=921, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=18840, PETRI_PLACES=378, PETRI_TRANSITIONS=1005} [2024-11-13 15:46:59,420 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 170 predicate places. [2024-11-13 15:46:59,420 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 1005 transitions, 18840 flow [2024-11-13 15:46:59,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:59,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:46:59,421 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:59,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:46:59,421 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:46:59,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1314171128, now seen corresponding path program 7 times [2024-11-13 15:46:59,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:59,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969708100] [2024-11-13 15:46:59,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:00,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:00,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969708100] [2024-11-13 15:47:00,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969708100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:00,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:00,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:47:00,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195874470] [2024-11-13 15:47:00,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:00,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:47:00,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:00,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:47:00,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:47:01,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:47:01,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 1005 transitions, 18840 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:01,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:47:01,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:47:01,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:47:06,966 INFO L124 PetriNetUnfolderBase]: 4254/14952 cut-off events. [2024-11-13 15:47:06,966 INFO L125 PetriNetUnfolderBase]: For 151990/152978 co-relation queries the response was YES. [2024-11-13 15:47:07,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68004 conditions, 14952 events. 4254/14952 cut-off events. For 151990/152978 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 167832 event pairs, 386 based on Foata normal form. 340/14907 useless extension candidates. Maximal degree in co-relation 67840. Up to 3042 conditions per place. [2024-11-13 15:47:07,132 INFO L140 encePairwiseOnDemand]: 176/205 looper letters, 640 selfloop transitions, 491 changer transitions 0/1286 dead transitions. [2024-11-13 15:47:07,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 1286 transitions, 25520 flow [2024-11-13 15:47:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:47:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-13 15:47:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2793 transitions. [2024-11-13 15:47:07,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7170731707317073 [2024-11-13 15:47:07,135 INFO L175 Difference]: Start difference. First operand has 378 places, 1005 transitions, 18840 flow. Second operand 19 states and 2793 transitions. [2024-11-13 15:47:07,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 1286 transitions, 25520 flow [2024-11-13 15:47:07,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 1286 transitions, 25403 flow, removed 31 selfloop flow, removed 12 redundant places. [2024-11-13 15:47:07,786 INFO L231 Difference]: Finished difference. Result has 392 places, 1096 transitions, 22833 flow [2024-11-13 15:47:07,787 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=18723, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1005, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=403, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=22833, PETRI_PLACES=392, PETRI_TRANSITIONS=1096} [2024-11-13 15:47:07,788 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 184 predicate places. [2024-11-13 15:47:07,788 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 1096 transitions, 22833 flow [2024-11-13 15:47:07,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:07,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:47:07,789 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:07,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:47:07,789 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:47:07,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1529601196, now seen corresponding path program 8 times [2024-11-13 15:47:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:07,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956983908] [2024-11-13 15:47:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:08,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:08,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956983908] [2024-11-13 15:47:08,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956983908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:08,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:08,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:47:08,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486394800] [2024-11-13 15:47:08,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:08,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:47:08,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:08,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:47:08,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:47:09,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:47:09,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 1096 transitions, 22833 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:09,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:47:09,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:47:09,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:47:16,481 INFO L124 PetriNetUnfolderBase]: 4796/16682 cut-off events. [2024-11-13 15:47:16,481 INFO L125 PetriNetUnfolderBase]: For 205985/207127 co-relation queries the response was YES. [2024-11-13 15:47:16,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79916 conditions, 16682 events. 4796/16682 cut-off events. For 205985/207127 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 191682 event pairs, 482 based on Foata normal form. 397/16652 useless extension candidates. Maximal degree in co-relation 79744. Up to 3416 conditions per place. [2024-11-13 15:47:16,706 INFO L140 encePairwiseOnDemand]: 173/205 looper letters, 728 selfloop transitions, 526 changer transitions 2/1411 dead transitions. [2024-11-13 15:47:16,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1411 transitions, 30549 flow [2024-11-13 15:47:16,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 15:47:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-13 15:47:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3111 transitions. [2024-11-13 15:47:16,711 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7226480836236934 [2024-11-13 15:47:16,711 INFO L175 Difference]: Start difference. First operand has 392 places, 1096 transitions, 22833 flow. Second operand 21 states and 3111 transitions. [2024-11-13 15:47:16,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1411 transitions, 30549 flow [2024-11-13 15:47:17,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 1411 transitions, 30364 flow, removed 68 selfloop flow, removed 9 redundant places. [2024-11-13 15:47:17,748 INFO L231 Difference]: Finished difference. Result has 412 places, 1197 transitions, 27788 flow [2024-11-13 15:47:17,748 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=22650, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1096, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=432, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=27788, PETRI_PLACES=412, PETRI_TRANSITIONS=1197} [2024-11-13 15:47:17,749 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 204 predicate places. [2024-11-13 15:47:17,749 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 1197 transitions, 27788 flow [2024-11-13 15:47:17,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:17,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:47:17,749 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:17,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:47:17,750 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:47:17,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2063309652, now seen corresponding path program 9 times [2024-11-13 15:47:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:17,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524568360] [2024-11-13 15:47:17,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:18,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:18,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524568360] [2024-11-13 15:47:18,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524568360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:18,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:18,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:47:18,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127413461] [2024-11-13 15:47:18,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:18,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:47:18,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:18,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:47:18,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:47:19,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:47:19,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 1197 transitions, 27788 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:19,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:47:19,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:47:19,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:47:27,273 INFO L124 PetriNetUnfolderBase]: 5079/17708 cut-off events. [2024-11-13 15:47:27,274 INFO L125 PetriNetUnfolderBase]: For 264683/265986 co-relation queries the response was YES. [2024-11-13 15:47:27,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88632 conditions, 17708 events. 5079/17708 cut-off events. For 264683/265986 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 206276 event pairs, 482 based on Foata normal form. 444/17705 useless extension candidates. Maximal degree in co-relation 88451. Up to 3626 conditions per place. [2024-11-13 15:47:27,505 INFO L140 encePairwiseOnDemand]: 176/205 looper letters, 658 selfloop transitions, 609 changer transitions 0/1422 dead transitions. [2024-11-13 15:47:27,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 1422 transitions, 34368 flow [2024-11-13 15:47:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:47:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-13 15:47:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2791 transitions. [2024-11-13 15:47:27,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7165596919127086 [2024-11-13 15:47:27,509 INFO L175 Difference]: Start difference. First operand has 412 places, 1197 transitions, 27788 flow. Second operand 19 states and 2791 transitions. [2024-11-13 15:47:27,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 1422 transitions, 34368 flow [2024-11-13 15:47:28,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1422 transitions, 34207 flow, removed 48 selfloop flow, removed 11 redundant places. [2024-11-13 15:47:28,555 INFO L231 Difference]: Finished difference. Result has 426 places, 1268 transitions, 32506 flow [2024-11-13 15:47:28,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=27627, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=539, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=594, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=32506, PETRI_PLACES=426, PETRI_TRANSITIONS=1268} [2024-11-13 15:47:28,557 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 218 predicate places. [2024-11-13 15:47:28,557 INFO L471 AbstractCegarLoop]: Abstraction has has 426 places, 1268 transitions, 32506 flow [2024-11-13 15:47:28,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:28,558 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:47:28,558 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:28,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:47:28,559 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:47:28,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:28,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1077242630, now seen corresponding path program 10 times [2024-11-13 15:47:28,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:28,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081033301] [2024-11-13 15:47:28,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:28,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:29,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:29,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081033301] [2024-11-13 15:47:29,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081033301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:29,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:29,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:47:29,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22694857] [2024-11-13 15:47:29,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:29,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:47:29,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:29,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:47:29,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:47:30,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:47:30,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 1268 transitions, 32506 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:30,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:47:30,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:47:30,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:47:39,119 INFO L124 PetriNetUnfolderBase]: 5635/19506 cut-off events. [2024-11-13 15:47:39,119 INFO L125 PetriNetUnfolderBase]: For 349416/350835 co-relation queries the response was YES. [2024-11-13 15:47:39,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102089 conditions, 19506 events. 5635/19506 cut-off events. For 349416/350835 co-relation queries the response was YES. Maximal size of possible extension queue 807. Compared 231594 event pairs, 471 based on Foata normal form. 479/19522 useless extension candidates. Maximal degree in co-relation 101901. Up to 4033 conditions per place. [2024-11-13 15:47:39,431 INFO L140 encePairwiseOnDemand]: 174/205 looper letters, 821 selfloop transitions, 600 changer transitions 1/1577 dead transitions. [2024-11-13 15:47:39,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 1577 transitions, 41227 flow [2024-11-13 15:47:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 15:47:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-13 15:47:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2952 transitions. [2024-11-13 15:47:39,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.72 [2024-11-13 15:47:39,438 INFO L175 Difference]: Start difference. First operand has 426 places, 1268 transitions, 32506 flow. Second operand 20 states and 2952 transitions. [2024-11-13 15:47:39,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 1577 transitions, 41227 flow [2024-11-13 15:47:41,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 1577 transitions, 40930 flow, removed 49 selfloop flow, removed 11 redundant places. [2024-11-13 15:47:41,095 INFO L231 Difference]: Finished difference. Result has 443 places, 1366 transitions, 38123 flow [2024-11-13 15:47:41,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=32228, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=507, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=38123, PETRI_PLACES=443, PETRI_TRANSITIONS=1366} [2024-11-13 15:47:41,096 INFO L277 CegarLoopForPetriNet]: 208 programPoint places, 235 predicate places. [2024-11-13 15:47:41,097 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 1366 transitions, 38123 flow [2024-11-13 15:47:41,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:41,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:47:41,097 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:41,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:47:41,097 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-13 15:47:41,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash 460730290, now seen corresponding path program 11 times [2024-11-13 15:47:41,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:41,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643754538] [2024-11-13 15:47:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:41,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:41,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:41,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643754538] [2024-11-13 15:47:41,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643754538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:41,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:41,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:47:41,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589518082] [2024-11-13 15:47:41,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:41,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:47:41,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:41,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:47:41,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:47:43,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 205 [2024-11-13 15:47:43,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 1366 transitions, 38123 flow. Second operand has 13 states, 13 states have (on average 139.07692307692307) internal successors, (1808), 13 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:43,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:47:43,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 205 [2024-11-13 15:47:43,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:47:52,167 INFO L124 PetriNetUnfolderBase]: 5894/20506 cut-off events. [2024-11-13 15:47:52,167 INFO L125 PetriNetUnfolderBase]: For 423046/424569 co-relation queries the response was YES. [2024-11-13 15:47:52,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110144 conditions, 20506 events. 5894/20506 cut-off events. For 423046/424569 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 246240 event pairs, 386 based on Foata normal form. 527/20521 useless extension candidates. Maximal degree in co-relation 109947. Up to 4219 conditions per place.