./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.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_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/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_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/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_017b9fde-0f39-424e-9122-14671eca65b0/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 c18dd13658bb5739ed2db8c4c80ae330682b7c3cebd2ad85657518c27ca325b9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:27:53,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:27:53,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:27:53,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:27:53,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:27:53,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:27:53,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:27:53,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:27:53,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:27:53,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:27:53,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:27:53,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:27:53,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:27:53,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:27:53,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:27:53,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:27:53,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:27:53,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:27:53,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:27:53,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:27:53,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:27:53,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:27:53,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:27:53,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:27:53,713 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_017b9fde-0f39-424e-9122-14671eca65b0/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 -> c18dd13658bb5739ed2db8c4c80ae330682b7c3cebd2ad85657518c27ca325b9 [2024-11-13 13:27:54,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:27:54,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:27:54,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:27:54,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:27:54,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:27:54,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i Unable to find full path for "g++" [2024-11-13 13:27:56,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:27:56,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:27:56,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i [2024-11-13 13:27:56,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/data/f398b33a2/e3e84b6b851e4afc9fd630572ea3c829/FLAG9cb5d1a70 [2024-11-13 13:27:56,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/data/f398b33a2/e3e84b6b851e4afc9fd630572ea3c829 [2024-11-13 13:27:56,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:27:56,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:27:56,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:27:56,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:27:56,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:27:56,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:56" (1/1) ... [2024-11-13 13:27:56,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583dd712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:56, skipping insertion in model container [2024-11-13 13:27:56,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:56" (1/1) ... [2024-11-13 13:27:56,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:27:56,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:27:56,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:27:56,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:27:57,052 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:27:57,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57 WrapperNode [2024-11-13 13:27:57,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:27:57,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:27:57,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:27:57,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:27:57,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,101 INFO L138 Inliner]: procedures = 268, calls = 104, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 180 [2024-11-13 13:27:57,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:27:57,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:27:57,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:27:57,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:27:57,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:27:57,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:27:57,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:27:57,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:27:57,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (1/1) ... [2024-11-13 13:27:57,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:27:57,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:27:57,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:27:57,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:27:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:27:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:27:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:27:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:27:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:27:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:27:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 13:27:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 13:27:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:27:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:27:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:27:57,222 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 13:27:57,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:27:57,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:27:57,806 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:27:57,807 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:27:57,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:27:57,838 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:27:57,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:57 BoogieIcfgContainer [2024-11-13 13:27:57,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:27:57,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:27:57,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:27:57,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:27:57,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:27:56" (1/3) ... [2024-11-13 13:27:57,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3118960d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:57, skipping insertion in model container [2024-11-13 13:27:57,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:57" (2/3) ... [2024-11-13 13:27:57,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3118960d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:57, skipping insertion in model container [2024-11-13 13:27:57,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:57" (3/3) ... [2024-11-13 13:27:57,850 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_07-tricky_address2.i [2024-11-13 13:27:57,866 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:27:57,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_07-tricky_address2.i that has 2 procedures, 188 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2024-11-13 13:27:57,868 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:27:57,973 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:27:58,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 191 transitions, 386 flow [2024-11-13 13:27:58,144 INFO L124 PetriNetUnfolderBase]: 4/190 cut-off events. [2024-11-13 13:27:58,146 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:27:58,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 190 events. 4/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 121. Up to 2 conditions per place. [2024-11-13 13:27:58,158 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 191 transitions, 386 flow [2024-11-13 13:27:58,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 190 transitions, 383 flow [2024-11-13 13:27:58,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:27:58,194 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;@1159863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:27:58,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 13:27:58,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:27:58,251 INFO L124 PetriNetUnfolderBase]: 4/143 cut-off events. [2024-11-13 13:27:58,252 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:27:58,252 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:27:58,252 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, 1, 1, 1, 1] [2024-11-13 13:27:58,253 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:27:58,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:58,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2115014447, now seen corresponding path program 1 times [2024-11-13 13:27:58,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:58,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996715609] [2024-11-13 13:27:58,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:58,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:58,906 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 13:27:58,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996715609] [2024-11-13 13:27:58,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996715609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:58,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:58,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:27:58,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680611611] [2024-11-13 13:27:58,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:58,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:27:58,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:58,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:27:58,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:27:58,966 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 191 [2024-11-13 13:27:58,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 190 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states 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 13:27:58,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:27:58,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 191 [2024-11-13 13:27:58,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:27:59,061 INFO L124 PetriNetUnfolderBase]: 7/251 cut-off events. [2024-11-13 13:27:59,061 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:27:59,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 251 events. 7/251 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 319 event pairs, 6 based on Foata normal form. 5/244 useless extension candidates. Maximal degree in co-relation 144. Up to 24 conditions per place. [2024-11-13 13:27:59,065 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 10 selfloop transitions, 2 changer transitions 1/188 dead transitions. [2024-11-13 13:27:59,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 403 flow [2024-11-13 13:27:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:27:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:27:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2024-11-13 13:27:59,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.956369982547993 [2024-11-13 13:27:59,083 INFO L175 Difference]: Start difference. First operand has 190 places, 190 transitions, 383 flow. Second operand 3 states and 548 transitions. [2024-11-13 13:27:59,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 403 flow [2024-11-13 13:27:59,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:27:59,100 INFO L231 Difference]: Finished difference. Result has 192 places, 187 transitions, 386 flow [2024-11-13 13:27:59,103 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2024-11-13 13:27:59,107 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 2 predicate places. [2024-11-13 13:27:59,108 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 386 flow [2024-11-13 13:27:59,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states 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 13:27:59,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:27:59,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:27:59,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:27:59,111 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:27:59,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:59,112 INFO L85 PathProgramCache]: Analyzing trace with hash 944687718, now seen corresponding path program 1 times [2024-11-13 13:27:59,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:59,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490791381] [2024-11-13 13:27:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:59,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:59,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:59,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490791381] [2024-11-13 13:27:59,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490791381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:27:59,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859332731] [2024-11-13 13:27:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:59,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:27:59,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:27:59,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:27:59,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:27:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:59,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:27:59,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:27:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:59,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:27:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:59,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859332731] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:27:59,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:27:59,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 13:27:59,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640537716] [2024-11-13 13:27:59,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:27:59,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:27:59,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:59,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:27:59,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:27:59,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 13:27:59,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 386 flow. Second operand has 10 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states 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 13:27:59,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:27:59,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 13:27:59,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:00,048 INFO L124 PetriNetUnfolderBase]: 7/257 cut-off events. [2024-11-13 13:28:00,049 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:28:00,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 257 events. 7/257 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 314 event pairs, 6 based on Foata normal form. 2/248 useless extension candidates. Maximal degree in co-relation 191. Up to 24 conditions per place. [2024-11-13 13:28:00,050 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 14 selfloop transitions, 9 changer transitions 0/195 dead transitions. [2024-11-13 13:28:00,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 195 transitions, 450 flow [2024-11-13 13:28:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:28:00,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 13:28:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1591 transitions. [2024-11-13 13:28:00,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9255381035485748 [2024-11-13 13:28:00,057 INFO L175 Difference]: Start difference. First operand has 192 places, 187 transitions, 386 flow. Second operand 9 states and 1591 transitions. [2024-11-13 13:28:00,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 195 transitions, 450 flow [2024-11-13 13:28:00,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 195 transitions, 448 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:28:00,061 INFO L231 Difference]: Finished difference. Result has 201 places, 193 transitions, 434 flow [2024-11-13 13:28:00,062 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=434, PETRI_PLACES=201, PETRI_TRANSITIONS=193} [2024-11-13 13:28:00,062 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 11 predicate places. [2024-11-13 13:28:00,062 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 193 transitions, 434 flow [2024-11-13 13:28:00,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states 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 13:28:00,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:00,064 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:00,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:28:00,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:00,265 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:00,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash 968968518, now seen corresponding path program 2 times [2024-11-13 13:28:00,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:00,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836159164] [2024-11-13 13:28:00,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:00,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:00,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836159164] [2024-11-13 13:28:00,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836159164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:00,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313553624] [2024-11-13 13:28:00,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:28:00,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:00,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:00,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:00,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:28:00,887 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:28:00,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:28:00,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:28:00,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:00,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-13 13:28:00,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-13 13:28:01,021 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:28:01,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 13:28:01,085 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:28:01,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-13 13:28:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 13:28:01,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:01,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313553624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:01,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:01,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-13 13:28:01,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697894270] [2024-11-13 13:28:01,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:01,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:28:01,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:01,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:28:01,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:28:02,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 191 [2024-11-13 13:28:02,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 193 transitions, 434 flow. Second operand has 6 states, 6 states have (on average 165.66666666666666) internal successors, (994), 6 states have internal predecessors, (994), 0 states have call successors, (0), 0 states 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 13:28:02,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:02,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 191 [2024-11-13 13:28:02,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:02,443 INFO L124 PetriNetUnfolderBase]: 129/695 cut-off events. [2024-11-13 13:28:02,444 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 13:28:02,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 695 events. 129/695 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3513 event pairs, 46 based on Foata normal form. 0/638 useless extension candidates. Maximal degree in co-relation 882. Up to 178 conditions per place. [2024-11-13 13:28:02,448 INFO L140 encePairwiseOnDemand]: 180/191 looper letters, 43 selfloop transitions, 22 changer transitions 0/234 dead transitions. [2024-11-13 13:28:02,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 234 transitions, 646 flow [2024-11-13 13:28:02,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:28:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:28:02,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1050 transitions. [2024-11-13 13:28:02,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9162303664921466 [2024-11-13 13:28:02,452 INFO L175 Difference]: Start difference. First operand has 201 places, 193 transitions, 434 flow. Second operand 6 states and 1050 transitions. [2024-11-13 13:28:02,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 234 transitions, 646 flow [2024-11-13 13:28:02,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 234 transitions, 640 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-13 13:28:02,458 INFO L231 Difference]: Finished difference. Result has 209 places, 215 transitions, 574 flow [2024-11-13 13:28:02,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=574, PETRI_PLACES=209, PETRI_TRANSITIONS=215} [2024-11-13 13:28:02,459 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 19 predicate places. [2024-11-13 13:28:02,459 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 215 transitions, 574 flow [2024-11-13 13:28:02,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.66666666666666) internal successors, (994), 6 states have internal predecessors, (994), 0 states have call successors, (0), 0 states 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 13:28:02,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:02,460 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:02,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:28:02,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:02,665 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:02,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2127174574, now seen corresponding path program 1 times [2024-11-13 13:28:02,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:02,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719473668] [2024-11-13 13:28:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:02,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:02,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719473668] [2024-11-13 13:28:02,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719473668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:02,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388774760] [2024-11-13 13:28:02,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:02,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:02,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:02,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:02,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:28:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:03,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:28:03,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:03,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:28:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:03,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388774760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:28:03,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:28:03,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-13 13:28:03,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961597248] [2024-11-13 13:28:03,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:28:03,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 13:28:03,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:03,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 13:28:03,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:28:03,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 13:28:03,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 215 transitions, 574 flow. Second operand has 18 states, 18 states have (on average 176.0) internal successors, (3168), 18 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states 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 13:28:03,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:03,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 13:28:03,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:03,722 INFO L124 PetriNetUnfolderBase]: 41/533 cut-off events. [2024-11-13 13:28:03,722 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-13 13:28:03,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 533 events. 41/533 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2257 event pairs, 16 based on Foata normal form. 4/510 useless extension candidates. Maximal degree in co-relation 626. Up to 55 conditions per place. [2024-11-13 13:28:03,728 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 18 selfloop transitions, 21 changer transitions 0/233 dead transitions. [2024-11-13 13:28:03,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 233 transitions, 740 flow [2024-11-13 13:28:03,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 13:28:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-13 13:28:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3697 transitions. [2024-11-13 13:28:03,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9217152829718275 [2024-11-13 13:28:03,741 INFO L175 Difference]: Start difference. First operand has 209 places, 215 transitions, 574 flow. Second operand 21 states and 3697 transitions. [2024-11-13 13:28:03,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 233 transitions, 740 flow [2024-11-13 13:28:03,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 233 transitions, 740 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:28:03,751 INFO L231 Difference]: Finished difference. Result has 234 places, 228 transitions, 704 flow [2024-11-13 13:28:03,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=704, PETRI_PLACES=234, PETRI_TRANSITIONS=228} [2024-11-13 13:28:03,753 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 44 predicate places. [2024-11-13 13:28:03,754 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 228 transitions, 704 flow [2024-11-13 13:28:03,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.0) internal successors, (3168), 18 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states 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 13:28:03,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:03,756 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:03,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:28:03,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:03,957 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:03,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:03,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1405096302, now seen corresponding path program 2 times [2024-11-13 13:28:03,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:03,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347124023] [2024-11-13 13:28:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:04,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:04,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347124023] [2024-11-13 13:28:04,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347124023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:04,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338399705] [2024-11-13 13:28:04,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:28:04,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:04,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:04,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:04,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:28:04,699 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:28:04,699 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:28:04,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:28:04,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:04,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-13 13:28:04,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-13 13:28:04,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:28:04,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 13:28:04,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:28:04,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-13 13:28:04,908 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 13:28:04,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:04,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338399705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:04,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:04,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-13 13:28:04,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695318228] [2024-11-13 13:28:04,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:04,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:28:04,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:04,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:28:04,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:28:05,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 191 [2024-11-13 13:28:05,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 228 transitions, 704 flow. Second operand has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 0 states have call successors, (0), 0 states 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 13:28:05,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:05,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 191 [2024-11-13 13:28:05,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:06,072 INFO L124 PetriNetUnfolderBase]: 306/1365 cut-off events. [2024-11-13 13:28:06,072 INFO L125 PetriNetUnfolderBase]: For 289/299 co-relation queries the response was YES. [2024-11-13 13:28:06,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2532 conditions, 1365 events. 306/1365 cut-off events. For 289/299 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 9044 event pairs, 116 based on Foata normal form. 5/1258 useless extension candidates. Maximal degree in co-relation 2305. Up to 464 conditions per place. [2024-11-13 13:28:06,080 INFO L140 encePairwiseOnDemand]: 176/191 looper letters, 72 selfloop transitions, 36 changer transitions 2/285 dead transitions. [2024-11-13 13:28:06,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 285 transitions, 1076 flow [2024-11-13 13:28:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:28:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:28:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1036 transitions. [2024-11-13 13:28:06,083 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9040139616055847 [2024-11-13 13:28:06,083 INFO L175 Difference]: Start difference. First operand has 234 places, 228 transitions, 704 flow. Second operand 6 states and 1036 transitions. [2024-11-13 13:28:06,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 285 transitions, 1076 flow [2024-11-13 13:28:06,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 285 transitions, 1052 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-13 13:28:06,092 INFO L231 Difference]: Finished difference. Result has 237 places, 260 transitions, 932 flow [2024-11-13 13:28:06,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=932, PETRI_PLACES=237, PETRI_TRANSITIONS=260} [2024-11-13 13:28:06,093 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 47 predicate places. [2024-11-13 13:28:06,093 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 260 transitions, 932 flow [2024-11-13 13:28:06,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 0 states have call successors, (0), 0 states 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 13:28:06,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:06,094 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:06,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:28:06,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:06,298 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:06,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:06,299 INFO L85 PathProgramCache]: Analyzing trace with hash -505496891, now seen corresponding path program 1 times [2024-11-13 13:28:06,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:06,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247690965] [2024-11-13 13:28:06,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:06,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:06,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:06,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247690965] [2024-11-13 13:28:06,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247690965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:06,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835100405] [2024-11-13 13:28:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:06,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:06,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:06,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:06,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:28:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:06,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:28:06,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:07,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:28:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835100405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:28:07,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:28:07,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-13 13:28:07,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208570812] [2024-11-13 13:28:07,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:28:07,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 13:28:07,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:07,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 13:28:07,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:28:07,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 13:28:07,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 260 transitions, 932 flow. Second operand has 23 states, 23 states have (on average 176.08695652173913) internal successors, (4050), 23 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states 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 13:28:07,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:07,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 13:28:07,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:07,956 INFO L124 PetriNetUnfolderBase]: 120/965 cut-off events. [2024-11-13 13:28:07,956 INFO L125 PetriNetUnfolderBase]: For 412/412 co-relation queries the response was YES. [2024-11-13 13:28:07,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 965 events. 120/965 cut-off events. For 412/412 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5972 event pairs, 33 based on Foata normal form. 3/909 useless extension candidates. Maximal degree in co-relation 1557. Up to 134 conditions per place. [2024-11-13 13:28:07,961 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 21 selfloop transitions, 30 changer transitions 0/277 dead transitions. [2024-11-13 13:28:07,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 277 transitions, 1156 flow [2024-11-13 13:28:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 13:28:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-13 13:28:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5274 transitions. [2024-11-13 13:28:07,974 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9204188481675393 [2024-11-13 13:28:07,974 INFO L175 Difference]: Start difference. First operand has 237 places, 260 transitions, 932 flow. Second operand 30 states and 5274 transitions. [2024-11-13 13:28:07,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 277 transitions, 1156 flow [2024-11-13 13:28:07,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 277 transitions, 1132 flow, removed 12 selfloop flow, removed 0 redundant places. [2024-11-13 13:28:07,985 INFO L231 Difference]: Finished difference. Result has 269 places, 270 transitions, 1060 flow [2024-11-13 13:28:07,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1060, PETRI_PLACES=269, PETRI_TRANSITIONS=270} [2024-11-13 13:28:07,987 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 79 predicate places. [2024-11-13 13:28:07,987 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 270 transitions, 1060 flow [2024-11-13 13:28:07,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 176.08695652173913) internal successors, (4050), 23 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states 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 13:28:07,988 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:07,989 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:08,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:28:08,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017b9fde-0f39-424e-9122-14671eca65b0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 13:28:08,190 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:08,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:08,190 INFO L85 PathProgramCache]: Analyzing trace with hash -858809232, now seen corresponding path program 2 times [2024-11-13 13:28:08,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:08,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072030001] [2024-11-13 13:28:08,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:08,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:28:09,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:09,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072030001] [2024-11-13 13:28:09,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072030001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:09,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:09,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:28:09,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459319717] [2024-11-13 13:28:09,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:09,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:28:09,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:28:09,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:28:09,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 191 [2024-11-13 13:28:09,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 270 transitions, 1060 flow. Second operand has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states 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 13:28:09,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:09,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 191 [2024-11-13 13:28:09,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:10,349 INFO L124 PetriNetUnfolderBase]: 300/1457 cut-off events. [2024-11-13 13:28:10,349 INFO L125 PetriNetUnfolderBase]: For 888/928 co-relation queries the response was YES. [2024-11-13 13:28:10,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3291 conditions, 1457 events. 300/1457 cut-off events. For 888/928 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 10121 event pairs, 66 based on Foata normal form. 10/1420 useless extension candidates. Maximal degree in co-relation 2983. Up to 443 conditions per place. [2024-11-13 13:28:10,359 INFO L140 encePairwiseOnDemand]: 180/191 looper letters, 79 selfloop transitions, 49 changer transitions 0/336 dead transitions. [2024-11-13 13:28:10,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 336 transitions, 1615 flow [2024-11-13 13:28:10,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:28:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:28:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1060 transitions. [2024-11-13 13:28:10,362 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.924956369982548 [2024-11-13 13:28:10,363 INFO L175 Difference]: Start difference. First operand has 269 places, 270 transitions, 1060 flow. Second operand 6 states and 1060 transitions. [2024-11-13 13:28:10,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 336 transitions, 1615 flow [2024-11-13 13:28:10,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 336 transitions, 1569 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-13 13:28:10,378 INFO L231 Difference]: Finished difference. Result has 260 places, 311 transitions, 1430 flow [2024-11-13 13:28:10,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=1014, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1430, PETRI_PLACES=260, PETRI_TRANSITIONS=311} [2024-11-13 13:28:10,380 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 70 predicate places. [2024-11-13 13:28:10,380 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 311 transitions, 1430 flow [2024-11-13 13:28:10,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states 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 13:28:10,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:10,381 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:10,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:28:10,381 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:10,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:10,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1894081035, now seen corresponding path program 1 times [2024-11-13 13:28:10,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:10,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347080692] [2024-11-13 13:28:10,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:10,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:28:11,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:11,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347080692] [2024-11-13 13:28:11,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347080692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:11,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:11,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:28:11,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135442350] [2024-11-13 13:28:11,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:11,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:28:11,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:11,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:28:11,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:28:12,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 191 [2024-11-13 13:28:12,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 311 transitions, 1430 flow. Second operand has 6 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 0 states have call successors, (0), 0 states 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 13:28:12,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:12,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 191 [2024-11-13 13:28:12,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:12,653 INFO L124 PetriNetUnfolderBase]: 569/2233 cut-off events. [2024-11-13 13:28:12,653 INFO L125 PetriNetUnfolderBase]: For 2491/2560 co-relation queries the response was YES. [2024-11-13 13:28:12,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5863 conditions, 2233 events. 569/2233 cut-off events. For 2491/2560 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 17245 event pairs, 130 based on Foata normal form. 12/2159 useless extension candidates. Maximal degree in co-relation 5572. Up to 803 conditions per place. [2024-11-13 13:28:12,669 INFO L140 encePairwiseOnDemand]: 176/191 looper letters, 118 selfloop transitions, 78 changer transitions 11/405 dead transitions. [2024-11-13 13:28:12,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 405 transitions, 2368 flow [2024-11-13 13:28:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:28:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:28:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1046 transitions. [2024-11-13 13:28:12,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912739965095986 [2024-11-13 13:28:12,673 INFO L175 Difference]: Start difference. First operand has 260 places, 311 transitions, 1430 flow. Second operand 6 states and 1046 transitions. [2024-11-13 13:28:12,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 405 transitions, 2368 flow [2024-11-13 13:28:12,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 405 transitions, 2366 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-13 13:28:12,698 INFO L231 Difference]: Finished difference. Result has 269 places, 359 transitions, 2034 flow [2024-11-13 13:28:12,699 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=1428, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2034, PETRI_PLACES=269, PETRI_TRANSITIONS=359} [2024-11-13 13:28:12,700 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 79 predicate places. [2024-11-13 13:28:12,701 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 359 transitions, 2034 flow [2024-11-13 13:28:12,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 0 states have call successors, (0), 0 states 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 13:28:12,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:12,702 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:12,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:28:12,702 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:12,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:12,703 INFO L85 PathProgramCache]: Analyzing trace with hash 586683918, now seen corresponding path program 1 times [2024-11-13 13:28:12,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:12,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727800580] [2024-11-13 13:28:12,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:12,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:28:14,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:14,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727800580] [2024-11-13 13:28:14,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727800580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:14,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:14,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:28:14,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518188292] [2024-11-13 13:28:14,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:14,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:28:14,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:14,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:28:14,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:28:17,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2024-11-13 13:28:17,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 359 transitions, 2034 flow. Second operand has 14 states, 14 states have (on average 150.92857142857142) internal successors, (2113), 14 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states 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 13:28:17,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:17,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2024-11-13 13:28:17,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:19,959 INFO L124 PetriNetUnfolderBase]: 1232/4529 cut-off events. [2024-11-13 13:28:19,960 INFO L125 PetriNetUnfolderBase]: For 9448/9687 co-relation queries the response was YES. [2024-11-13 13:28:19,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14363 conditions, 4529 events. 1232/4529 cut-off events. For 9448/9687 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 42029 event pairs, 133 based on Foata normal form. 159/4637 useless extension candidates. Maximal degree in co-relation 14056. Up to 884 conditions per place. [2024-11-13 13:28:19,999 INFO L140 encePairwiseOnDemand]: 164/191 looper letters, 364 selfloop transitions, 83 changer transitions 93/727 dead transitions. [2024-11-13 13:28:19,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 727 transitions, 6173 flow [2024-11-13 13:28:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 13:28:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-13 13:28:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3019 transitions. [2024-11-13 13:28:20,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8319096169743732 [2024-11-13 13:28:20,007 INFO L175 Difference]: Start difference. First operand has 269 places, 359 transitions, 2034 flow. Second operand 19 states and 3019 transitions. [2024-11-13 13:28:20,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 727 transitions, 6173 flow [2024-11-13 13:28:20,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 727 transitions, 6087 flow, removed 43 selfloop flow, removed 0 redundant places. [2024-11-13 13:28:20,155 INFO L231 Difference]: Finished difference. Result has 298 places, 432 transitions, 3082 flow [2024-11-13 13:28:20,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=2000, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3082, PETRI_PLACES=298, PETRI_TRANSITIONS=432} [2024-11-13 13:28:20,156 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 108 predicate places. [2024-11-13 13:28:20,157 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 432 transitions, 3082 flow [2024-11-13 13:28:20,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 150.92857142857142) internal successors, (2113), 14 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states 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 13:28:20,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:20,158 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:20,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:28:20,158 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:20,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:20,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2029848468, now seen corresponding path program 2 times [2024-11-13 13:28:20,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:20,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834405754] [2024-11-13 13:28:20,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:20,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:28:33,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:33,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834405754] [2024-11-13 13:28:33,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834405754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:33,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:33,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:28:33,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550336561] [2024-11-13 13:28:33,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:33,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:28:33,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:33,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:28:33,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:28:38,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2024-11-13 13:28:38,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 432 transitions, 3082 flow. Second operand has 14 states, 14 states have (on average 150.92857142857142) internal successors, (2113), 14 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states 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 13:28:38,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:38,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2024-11-13 13:28:38,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:40,880 INFO L124 PetriNetUnfolderBase]: 1200/4472 cut-off events. [2024-11-13 13:28:40,880 INFO L125 PetriNetUnfolderBase]: For 13707/13993 co-relation queries the response was YES. [2024-11-13 13:28:40,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16403 conditions, 4472 events. 1200/4472 cut-off events. For 13707/13993 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 41948 event pairs, 182 based on Foata normal form. 166/4587 useless extension candidates. Maximal degree in co-relation 16084. Up to 1196 conditions per place. [2024-11-13 13:28:40,923 INFO L140 encePairwiseOnDemand]: 164/191 looper letters, 311 selfloop transitions, 119 changer transitions 72/689 dead transitions. [2024-11-13 13:28:40,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 689 transitions, 6486 flow [2024-11-13 13:28:40,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:28:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 13:28:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2687 transitions. [2024-11-13 13:28:40,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8275331074838312 [2024-11-13 13:28:40,929 INFO L175 Difference]: Start difference. First operand has 298 places, 432 transitions, 3082 flow. Second operand 17 states and 2687 transitions. [2024-11-13 13:28:40,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 689 transitions, 6486 flow [2024-11-13 13:28:41,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 689 transitions, 6469 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-11-13 13:28:41,044 INFO L231 Difference]: Finished difference. Result has 313 places, 467 transitions, 3891 flow [2024-11-13 13:28:41,045 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=3067, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3891, PETRI_PLACES=313, PETRI_TRANSITIONS=467} [2024-11-13 13:28:41,045 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 123 predicate places. [2024-11-13 13:28:41,045 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 467 transitions, 3891 flow [2024-11-13 13:28:41,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 150.92857142857142) internal successors, (2113), 14 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states 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 13:28:41,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:41,049 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:41,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:28:41,049 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:41,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:41,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1048477356, now seen corresponding path program 3 times [2024-11-13 13:28:41,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:41,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262033989] [2024-11-13 13:28:41,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:41,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:28:42,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:42,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262033989] [2024-11-13 13:28:42,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262033989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:42,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:42,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:28:42,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264725576] [2024-11-13 13:28:42,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:42,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:28:42,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:42,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:28:42,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:28:43,999 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:28:44,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 467 transitions, 3891 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:28:44,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:44,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:28:44,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:45,493 INFO L124 PetriNetUnfolderBase]: 1894/6500 cut-off events. [2024-11-13 13:28:45,493 INFO L125 PetriNetUnfolderBase]: For 32676/33120 co-relation queries the response was YES. [2024-11-13 13:28:45,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28023 conditions, 6500 events. 1894/6500 cut-off events. For 32676/33120 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 65288 event pairs, 284 based on Foata normal form. 195/6613 useless extension candidates. Maximal degree in co-relation 27697. Up to 1364 conditions per place. [2024-11-13 13:28:45,542 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 539 selfloop transitions, 111 changer transitions 40/883 dead transitions. [2024-11-13 13:28:45,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 883 transitions, 9924 flow [2024-11-13 13:28:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:28:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2024 transitions. [2024-11-13 13:28:45,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8830715532286213 [2024-11-13 13:28:45,545 INFO L175 Difference]: Start difference. First operand has 313 places, 467 transitions, 3891 flow. Second operand 12 states and 2024 transitions. [2024-11-13 13:28:45,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 883 transitions, 9924 flow [2024-11-13 13:28:45,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 883 transitions, 9789 flow, removed 49 selfloop flow, removed 10 redundant places. [2024-11-13 13:28:45,812 INFO L231 Difference]: Finished difference. Result has 317 places, 546 transitions, 5415 flow [2024-11-13 13:28:45,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=3820, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5415, PETRI_PLACES=317, PETRI_TRANSITIONS=546} [2024-11-13 13:28:45,815 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 127 predicate places. [2024-11-13 13:28:45,815 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 546 transitions, 5415 flow [2024-11-13 13:28:45,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:28:45,816 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:45,816 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:45,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:28:45,817 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:45,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1566591736, now seen corresponding path program 4 times [2024-11-13 13:28:45,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:45,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715819827] [2024-11-13 13:28:45,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:45,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:28:53,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:53,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715819827] [2024-11-13 13:28:53,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715819827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:53,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:53,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:28:53,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977042018] [2024-11-13 13:28:53,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:53,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:28:53,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:53,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:28:53,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:28:57,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2024-11-13 13:28:57,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 546 transitions, 5415 flow. Second operand has 13 states, 13 states have (on average 151.07692307692307) internal successors, (1964), 13 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states 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 13:28:57,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:28:57,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2024-11-13 13:28:57,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:28:59,192 INFO L124 PetriNetUnfolderBase]: 1920/6662 cut-off events. [2024-11-13 13:28:59,192 INFO L125 PetriNetUnfolderBase]: For 39318/39770 co-relation queries the response was YES. [2024-11-13 13:28:59,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29791 conditions, 6662 events. 1920/6662 cut-off events. For 39318/39770 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 67912 event pairs, 271 based on Foata normal form. 269/6855 useless extension candidates. Maximal degree in co-relation 29463. Up to 1274 conditions per place. [2024-11-13 13:28:59,245 INFO L140 encePairwiseOnDemand]: 166/191 looper letters, 324 selfloop transitions, 189 changer transitions 36/736 dead transitions. [2024-11-13 13:28:59,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 736 transitions, 8363 flow [2024-11-13 13:28:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:28:59,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-13 13:28:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2533 transitions. [2024-11-13 13:28:59,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8288612565445026 [2024-11-13 13:28:59,248 INFO L175 Difference]: Start difference. First operand has 317 places, 546 transitions, 5415 flow. Second operand 16 states and 2533 transitions. [2024-11-13 13:28:59,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 736 transitions, 8363 flow [2024-11-13 13:28:59,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 736 transitions, 8299 flow, removed 26 selfloop flow, removed 1 redundant places. [2024-11-13 13:28:59,567 INFO L231 Difference]: Finished difference. Result has 335 places, 552 transitions, 5905 flow [2024-11-13 13:28:59,568 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=5353, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5905, PETRI_PLACES=335, PETRI_TRANSITIONS=552} [2024-11-13 13:28:59,570 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 145 predicate places. [2024-11-13 13:28:59,570 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 552 transitions, 5905 flow [2024-11-13 13:28:59,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 151.07692307692307) internal successors, (1964), 13 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states 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 13:28:59,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:28:59,573 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:59,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:28:59,574 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:28:59,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:59,574 INFO L85 PathProgramCache]: Analyzing trace with hash -496755936, now seen corresponding path program 5 times [2024-11-13 13:28:59,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:59,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412752471] [2024-11-13 13:28:59,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:59,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:29:09,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:09,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412752471] [2024-11-13 13:29:09,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412752471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:09,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:09,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:29:09,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768421813] [2024-11-13 13:29:09,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:09,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:29:09,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:09,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:29:09,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:29:12,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2024-11-13 13:29:12,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 552 transitions, 5905 flow. Second operand has 13 states, 13 states have (on average 151.07692307692307) internal successors, (1964), 13 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states 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 13:29:12,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:12,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2024-11-13 13:29:12,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:15,181 INFO L124 PetriNetUnfolderBase]: 1907/6679 cut-off events. [2024-11-13 13:29:15,181 INFO L125 PetriNetUnfolderBase]: For 48430/48910 co-relation queries the response was YES. [2024-11-13 13:29:15,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31564 conditions, 6679 events. 1907/6679 cut-off events. For 48430/48910 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 68431 event pairs, 263 based on Foata normal form. 234/6831 useless extension candidates. Maximal degree in co-relation 31231. Up to 1264 conditions per place. [2024-11-13 13:29:15,230 INFO L140 encePairwiseOnDemand]: 166/191 looper letters, 524 selfloop transitions, 140 changer transitions 42/893 dead transitions. [2024-11-13 13:29:15,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 893 transitions, 11098 flow [2024-11-13 13:29:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:29:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 13:29:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2708 transitions. [2024-11-13 13:29:15,237 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8340006159531875 [2024-11-13 13:29:15,237 INFO L175 Difference]: Start difference. First operand has 335 places, 552 transitions, 5905 flow. Second operand 17 states and 2708 transitions. [2024-11-13 13:29:15,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 893 transitions, 11098 flow [2024-11-13 13:29:15,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 893 transitions, 10785 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-13 13:29:15,570 INFO L231 Difference]: Finished difference. Result has 347 places, 577 transitions, 6565 flow [2024-11-13 13:29:15,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=5661, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6565, PETRI_PLACES=347, PETRI_TRANSITIONS=577} [2024-11-13 13:29:15,571 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 157 predicate places. [2024-11-13 13:29:15,571 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 577 transitions, 6565 flow [2024-11-13 13:29:15,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 151.07692307692307) internal successors, (1964), 13 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states 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 13:29:15,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:15,572 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:15,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:29:15,572 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:29:15,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:15,573 INFO L85 PathProgramCache]: Analyzing trace with hash -832104352, now seen corresponding path program 6 times [2024-11-13 13:29:15,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:15,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227866959] [2024-11-13 13:29:15,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:15,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:29:16,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:16,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227866959] [2024-11-13 13:29:16,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227866959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:16,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:16,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:29:16,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740460018] [2024-11-13 13:29:16,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:16,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:29:16,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:16,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:29:16,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:29:18,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:29:18,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 577 transitions, 6565 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:29:18,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:18,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:29:18,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:20,198 INFO L124 PetriNetUnfolderBase]: 1997/7073 cut-off events. [2024-11-13 13:29:20,198 INFO L125 PetriNetUnfolderBase]: For 59317/59835 co-relation queries the response was YES. [2024-11-13 13:29:20,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34324 conditions, 7073 events. 1997/7073 cut-off events. For 59317/59835 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 73538 event pairs, 357 based on Foata normal form. 279/7269 useless extension candidates. Maximal degree in co-relation 33985. Up to 1350 conditions per place. [2024-11-13 13:29:20,280 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 358 selfloop transitions, 190 changer transitions 26/767 dead transitions. [2024-11-13 13:29:20,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 767 transitions, 9811 flow [2024-11-13 13:29:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:29:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:29:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1840 transitions. [2024-11-13 13:29:20,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8757734412184673 [2024-11-13 13:29:20,283 INFO L175 Difference]: Start difference. First operand has 347 places, 577 transitions, 6565 flow. Second operand 11 states and 1840 transitions. [2024-11-13 13:29:20,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 767 transitions, 9811 flow [2024-11-13 13:29:20,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 767 transitions, 9606 flow, removed 21 selfloop flow, removed 10 redundant places. [2024-11-13 13:29:20,954 INFO L231 Difference]: Finished difference. Result has 353 places, 596 transitions, 7321 flow [2024-11-13 13:29:20,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=6378, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7321, PETRI_PLACES=353, PETRI_TRANSITIONS=596} [2024-11-13 13:29:20,957 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 163 predicate places. [2024-11-13 13:29:20,957 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 596 transitions, 7321 flow [2024-11-13 13:29:20,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:29:20,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:20,959 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:20,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:29:20,959 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:29:20,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:20,960 INFO L85 PathProgramCache]: Analyzing trace with hash -747077087, now seen corresponding path program 1 times [2024-11-13 13:29:20,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:20,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457979709] [2024-11-13 13:29:20,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:20,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:29:25,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:25,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457979709] [2024-11-13 13:29:25,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457979709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:25,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:25,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:29:25,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874579654] [2024-11-13 13:29:25,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:25,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:29:25,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:25,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:29:25,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:29:29,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 191 [2024-11-13 13:29:29,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 596 transitions, 7321 flow. Second operand has 14 states, 14 states have (on average 155.5) internal successors, (2177), 14 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states 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 13:29:29,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:29,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 191 [2024-11-13 13:29:29,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:31,809 INFO L124 PetriNetUnfolderBase]: 1736/6670 cut-off events. [2024-11-13 13:29:31,809 INFO L125 PetriNetUnfolderBase]: For 65130/65760 co-relation queries the response was YES. [2024-11-13 13:29:31,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32874 conditions, 6670 events. 1736/6670 cut-off events. For 65130/65760 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 71533 event pairs, 177 based on Foata normal form. 260/6859 useless extension candidates. Maximal degree in co-relation 32530. Up to 1201 conditions per place. [2024-11-13 13:29:31,867 INFO L140 encePairwiseOnDemand]: 168/191 looper letters, 478 selfloop transitions, 118 changer transitions 56/898 dead transitions. [2024-11-13 13:29:31,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 898 transitions, 12395 flow [2024-11-13 13:29:31,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:29:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 13:29:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2749 transitions. [2024-11-13 13:29:31,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8466276562981213 [2024-11-13 13:29:31,870 INFO L175 Difference]: Start difference. First operand has 353 places, 596 transitions, 7321 flow. Second operand 17 states and 2749 transitions. [2024-11-13 13:29:31,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 898 transitions, 12395 flow [2024-11-13 13:29:32,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 898 transitions, 12077 flow, removed 55 selfloop flow, removed 3 redundant places. [2024-11-13 13:29:32,358 INFO L231 Difference]: Finished difference. Result has 375 places, 666 transitions, 8282 flow [2024-11-13 13:29:32,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=7074, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8282, PETRI_PLACES=375, PETRI_TRANSITIONS=666} [2024-11-13 13:29:32,359 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 185 predicate places. [2024-11-13 13:29:32,359 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 666 transitions, 8282 flow [2024-11-13 13:29:32,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 155.5) internal successors, (2177), 14 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states 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 13:29:32,360 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:32,360 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:32,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:29:32,360 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:29:32,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:32,360 INFO L85 PathProgramCache]: Analyzing trace with hash 625426878, now seen corresponding path program 7 times [2024-11-13 13:29:32,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:32,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951044036] [2024-11-13 13:29:32,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:32,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:29:33,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:33,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951044036] [2024-11-13 13:29:33,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951044036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:33,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:33,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:29:33,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362518115] [2024-11-13 13:29:33,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:33,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:29:33,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:33,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:29:33,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:29:35,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:29:35,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 666 transitions, 8282 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:29:35,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:35,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:29:35,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:38,588 INFO L124 PetriNetUnfolderBase]: 1991/7392 cut-off events. [2024-11-13 13:29:38,588 INFO L125 PetriNetUnfolderBase]: For 73423/73923 co-relation queries the response was YES. [2024-11-13 13:29:38,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37756 conditions, 7392 events. 1991/7392 cut-off events. For 73423/73923 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 79290 event pairs, 348 based on Foata normal form. 225/7524 useless extension candidates. Maximal degree in co-relation 37402. Up to 1436 conditions per place. [2024-11-13 13:29:38,673 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 476 selfloop transitions, 170 changer transitions 43/892 dead transitions. [2024-11-13 13:29:38,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 892 transitions, 12602 flow [2024-11-13 13:29:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:29:38,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2012 transitions. [2024-11-13 13:29:38,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8778359511343804 [2024-11-13 13:29:38,677 INFO L175 Difference]: Start difference. First operand has 375 places, 666 transitions, 8282 flow. Second operand 12 states and 2012 transitions. [2024-11-13 13:29:38,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 892 transitions, 12602 flow [2024-11-13 13:29:39,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 892 transitions, 12517 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-11-13 13:29:39,171 INFO L231 Difference]: Finished difference. Result has 385 places, 684 transitions, 9154 flow [2024-11-13 13:29:39,172 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=8211, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9154, PETRI_PLACES=385, PETRI_TRANSITIONS=684} [2024-11-13 13:29:39,172 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 195 predicate places. [2024-11-13 13:29:39,172 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 684 transitions, 9154 flow [2024-11-13 13:29:39,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:29:39,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:39,173 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:39,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:29:39,173 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:29:39,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:39,174 INFO L85 PathProgramCache]: Analyzing trace with hash -787334115, now seen corresponding path program 2 times [2024-11-13 13:29:39,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:39,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809205361] [2024-11-13 13:29:39,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:39,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:29:40,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:40,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809205361] [2024-11-13 13:29:40,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809205361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:40,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:40,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:29:40,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808864611] [2024-11-13 13:29:40,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:40,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:29:40,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:40,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:29:40,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:29:42,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 191 [2024-11-13 13:29:42,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 684 transitions, 9154 flow. Second operand has 11 states, 11 states have (on average 161.36363636363637) internal successors, (1775), 11 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states 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 13:29:42,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:42,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 191 [2024-11-13 13:29:42,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:44,469 INFO L124 PetriNetUnfolderBase]: 1653/6642 cut-off events. [2024-11-13 13:29:44,470 INFO L125 PetriNetUnfolderBase]: For 76888/77469 co-relation queries the response was YES. [2024-11-13 13:29:44,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34716 conditions, 6642 events. 1653/6642 cut-off events. For 76888/77469 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 72310 event pairs, 127 based on Foata normal form. 201/6785 useless extension candidates. Maximal degree in co-relation 34357. Up to 1185 conditions per place. [2024-11-13 13:29:44,533 INFO L140 encePairwiseOnDemand]: 174/191 looper letters, 454 selfloop transitions, 160 changer transitions 78/947 dead transitions. [2024-11-13 13:29:44,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 947 transitions, 14136 flow [2024-11-13 13:29:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:29:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-13 13:29:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2679 transitions. [2024-11-13 13:29:44,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8766361256544503 [2024-11-13 13:29:44,536 INFO L175 Difference]: Start difference. First operand has 385 places, 684 transitions, 9154 flow. Second operand 16 states and 2679 transitions. [2024-11-13 13:29:44,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 947 transitions, 14136 flow [2024-11-13 13:29:45,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 947 transitions, 13761 flow, removed 118 selfloop flow, removed 4 redundant places. [2024-11-13 13:29:45,019 INFO L231 Difference]: Finished difference. Result has 409 places, 729 transitions, 10062 flow [2024-11-13 13:29:45,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=8883, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10062, PETRI_PLACES=409, PETRI_TRANSITIONS=729} [2024-11-13 13:29:45,020 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 219 predicate places. [2024-11-13 13:29:45,020 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 729 transitions, 10062 flow [2024-11-13 13:29:45,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 161.36363636363637) internal successors, (1775), 11 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states 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 13:29:45,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:45,022 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:45,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:29:45,022 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:29:45,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash -364599344, now seen corresponding path program 8 times [2024-11-13 13:29:45,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:45,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452791183] [2024-11-13 13:29:45,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:29:45,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:45,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452791183] [2024-11-13 13:29:45,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452791183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:45,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:45,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:29:45,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546297198] [2024-11-13 13:29:45,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:45,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:29:45,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:29:45,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:29:47,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:29:47,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 729 transitions, 10062 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:29:47,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:47,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:29:47,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:50,667 INFO L124 PetriNetUnfolderBase]: 2017/7433 cut-off events. [2024-11-13 13:29:50,667 INFO L125 PetriNetUnfolderBase]: For 88758/89213 co-relation queries the response was YES. [2024-11-13 13:29:50,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40820 conditions, 7433 events. 2017/7433 cut-off events. For 88758/89213 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 79660 event pairs, 285 based on Foata normal form. 368/7732 useless extension candidates. Maximal degree in co-relation 40449. Up to 1544 conditions per place. [2024-11-13 13:29:50,717 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 383 selfloop transitions, 330 changer transitions 52/969 dead transitions. [2024-11-13 13:29:50,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 969 transitions, 14968 flow [2024-11-13 13:29:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:29:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:29:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1835 transitions. [2024-11-13 13:29:50,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8733936220847216 [2024-11-13 13:29:50,719 INFO L175 Difference]: Start difference. First operand has 409 places, 729 transitions, 10062 flow. Second operand 11 states and 1835 transitions. [2024-11-13 13:29:50,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 969 transitions, 14968 flow [2024-11-13 13:29:51,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 969 transitions, 14850 flow, removed 43 selfloop flow, removed 2 redundant places. [2024-11-13 13:29:51,535 INFO L231 Difference]: Finished difference. Result has 423 places, 757 transitions, 11496 flow [2024-11-13 13:29:51,540 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=9992, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11496, PETRI_PLACES=423, PETRI_TRANSITIONS=757} [2024-11-13 13:29:51,540 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 233 predicate places. [2024-11-13 13:29:51,540 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 757 transitions, 11496 flow [2024-11-13 13:29:51,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:29:51,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:51,546 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:51,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:29:51,546 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:29:51,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:51,550 INFO L85 PathProgramCache]: Analyzing trace with hash -725894542, now seen corresponding path program 9 times [2024-11-13 13:29:51,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:51,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194305496] [2024-11-13 13:29:51,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:51,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:29:52,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:52,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194305496] [2024-11-13 13:29:52,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194305496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:52,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:52,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:29:52,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435548280] [2024-11-13 13:29:52,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:52,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:29:52,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:52,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:29:52,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:29:54,085 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:29:54,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 757 transitions, 11496 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:29:54,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:54,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:29:54,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:57,384 INFO L124 PetriNetUnfolderBase]: 2065/7488 cut-off events. [2024-11-13 13:29:57,384 INFO L125 PetriNetUnfolderBase]: For 111835/112266 co-relation queries the response was YES. [2024-11-13 13:29:57,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44767 conditions, 7488 events. 2065/7488 cut-off events. For 111835/112266 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 79643 event pairs, 233 based on Foata normal form. 235/7642 useless extension candidates. Maximal degree in co-relation 44389. Up to 1746 conditions per place. [2024-11-13 13:29:57,438 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 569 selfloop transitions, 189 changer transitions 78/1040 dead transitions. [2024-11-13 13:29:57,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 1040 transitions, 17067 flow [2024-11-13 13:29:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:29:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-13 13:29:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2481 transitions. [2024-11-13 13:29:57,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8659685863874346 [2024-11-13 13:29:57,440 INFO L175 Difference]: Start difference. First operand has 423 places, 757 transitions, 11496 flow. Second operand 15 states and 2481 transitions. [2024-11-13 13:29:57,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 1040 transitions, 17067 flow [2024-11-13 13:29:58,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 1040 transitions, 16862 flow, removed 53 selfloop flow, removed 6 redundant places. [2024-11-13 13:29:58,088 INFO L231 Difference]: Finished difference. Result has 437 places, 781 transitions, 12539 flow [2024-11-13 13:29:58,088 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=11351, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12539, PETRI_PLACES=437, PETRI_TRANSITIONS=781} [2024-11-13 13:29:58,088 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 247 predicate places. [2024-11-13 13:29:58,089 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 781 transitions, 12539 flow [2024-11-13 13:29:58,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:29:58,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:58,089 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:58,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:29:58,089 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:29:58,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash 865492990, now seen corresponding path program 10 times [2024-11-13 13:29:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978158201] [2024-11-13 13:29:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:30:04,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:04,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978158201] [2024-11-13 13:30:04,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978158201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:04,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:04,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:30:04,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814731468] [2024-11-13 13:30:04,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:04,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:30:04,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:04,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:30:04,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:30:12,785 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2024-11-13 13:30:12,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 781 transitions, 12539 flow. Second operand has 14 states, 14 states have (on average 150.92857142857142) internal successors, (2113), 14 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states 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 13:30:12,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:12,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2024-11-13 13:30:12,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:18,823 INFO L124 PetriNetUnfolderBase]: 2068/7560 cut-off events. [2024-11-13 13:30:18,824 INFO L125 PetriNetUnfolderBase]: For 127682/128072 co-relation queries the response was YES. [2024-11-13 13:30:18,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46784 conditions, 7560 events. 2068/7560 cut-off events. For 127682/128072 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 81191 event pairs, 302 based on Foata normal form. 289/7771 useless extension candidates. Maximal degree in co-relation 46401. Up to 1553 conditions per place. [2024-11-13 13:30:18,895 INFO L140 encePairwiseOnDemand]: 166/191 looper letters, 389 selfloop transitions, 349 changer transitions 56/992 dead transitions. [2024-11-13 13:30:18,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 992 transitions, 17202 flow [2024-11-13 13:30:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:30:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 13:30:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2686 transitions. [2024-11-13 13:30:18,899 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8272251308900523 [2024-11-13 13:30:18,899 INFO L175 Difference]: Start difference. First operand has 437 places, 781 transitions, 12539 flow. Second operand 17 states and 2686 transitions. [2024-11-13 13:30:18,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 992 transitions, 17202 flow [2024-11-13 13:30:19,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 992 transitions, 17048 flow, removed 38 selfloop flow, removed 7 redundant places. [2024-11-13 13:30:19,863 INFO L231 Difference]: Finished difference. Result has 447 places, 785 transitions, 13325 flow [2024-11-13 13:30:19,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=12415, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=781, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=339, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13325, PETRI_PLACES=447, PETRI_TRANSITIONS=785} [2024-11-13 13:30:19,864 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 257 predicate places. [2024-11-13 13:30:19,864 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 785 transitions, 13325 flow [2024-11-13 13:30:19,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 150.92857142857142) internal successors, (2113), 14 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states 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 13:30:19,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:19,865 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:19,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:30:19,865 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:30:19,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:19,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1152376412, now seen corresponding path program 11 times [2024-11-13 13:30:19,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:19,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314163884] [2024-11-13 13:30:19,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:19,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:30:21,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:21,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314163884] [2024-11-13 13:30:21,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314163884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:21,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:21,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:30:21,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142490629] [2024-11-13 13:30:21,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:21,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:30:21,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:21,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:30:21,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:30:23,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:30:23,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 785 transitions, 13325 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:30:23,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:23,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:30:23,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:27,388 INFO L124 PetriNetUnfolderBase]: 2195/7901 cut-off events. [2024-11-13 13:30:27,388 INFO L125 PetriNetUnfolderBase]: For 154262/154670 co-relation queries the response was YES. [2024-11-13 13:30:27,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51385 conditions, 7901 events. 2195/7901 cut-off events. For 154262/154670 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 85087 event pairs, 279 based on Foata normal form. 189/7995 useless extension candidates. Maximal degree in co-relation 51001. Up to 1634 conditions per place. [2024-11-13 13:30:27,480 INFO L140 encePairwiseOnDemand]: 173/191 looper letters, 616 selfloop transitions, 206 changer transitions 46/1072 dead transitions. [2024-11-13 13:30:27,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 1072 transitions, 19421 flow [2024-11-13 13:30:27,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:30:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-13 13:30:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2482 transitions. [2024-11-13 13:30:27,484 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8663176265270506 [2024-11-13 13:30:27,484 INFO L175 Difference]: Start difference. First operand has 447 places, 785 transitions, 13325 flow. Second operand 15 states and 2482 transitions. [2024-11-13 13:30:27,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 1072 transitions, 19421 flow [2024-11-13 13:30:28,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 1072 transitions, 18771 flow, removed 24 selfloop flow, removed 12 redundant places. [2024-11-13 13:30:28,433 INFO L231 Difference]: Finished difference. Result has 458 places, 818 transitions, 14193 flow [2024-11-13 13:30:28,434 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=12756, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=785, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=14193, PETRI_PLACES=458, PETRI_TRANSITIONS=818} [2024-11-13 13:30:28,434 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 268 predicate places. [2024-11-13 13:30:28,434 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 818 transitions, 14193 flow [2024-11-13 13:30:28,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:30:28,435 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:28,435 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:28,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:30:28,435 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:30:28,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:28,435 INFO L85 PathProgramCache]: Analyzing trace with hash 786628840, now seen corresponding path program 12 times [2024-11-13 13:30:28,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:28,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859873169] [2024-11-13 13:30:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:28,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:30:29,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:29,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859873169] [2024-11-13 13:30:29,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859873169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:29,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:29,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:30:29,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072913949] [2024-11-13 13:30:29,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:29,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:30:29,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:29,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:30:29,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:30:31,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:30:31,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 818 transitions, 14193 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:30:31,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:31,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:30:31,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:35,001 INFO L124 PetriNetUnfolderBase]: 2277/8235 cut-off events. [2024-11-13 13:30:35,002 INFO L125 PetriNetUnfolderBase]: For 174222/174642 co-relation queries the response was YES. [2024-11-13 13:30:35,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54541 conditions, 8235 events. 2277/8235 cut-off events. For 174222/174642 co-relation queries the response was YES. Maximal size of possible extension queue 511. Compared 89840 event pairs, 386 based on Foata normal form. 250/8394 useless extension candidates. Maximal degree in co-relation 54180. Up to 1661 conditions per place. [2024-11-13 13:30:35,090 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 454 selfloop transitions, 317 changer transitions 48/1023 dead transitions. [2024-11-13 13:30:35,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 1023 transitions, 19171 flow [2024-11-13 13:30:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:30:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 13:30:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2148 transitions. [2024-11-13 13:30:35,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.86508256141764 [2024-11-13 13:30:35,093 INFO L175 Difference]: Start difference. First operand has 458 places, 818 transitions, 14193 flow. Second operand 13 states and 2148 transitions. [2024-11-13 13:30:35,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 1023 transitions, 19171 flow [2024-11-13 13:30:36,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 1023 transitions, 18928 flow, removed 73 selfloop flow, removed 8 redundant places. [2024-11-13 13:30:36,779 INFO L231 Difference]: Finished difference. Result has 468 places, 837 transitions, 15385 flow [2024-11-13 13:30:36,779 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=13995, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=818, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15385, PETRI_PLACES=468, PETRI_TRANSITIONS=837} [2024-11-13 13:30:36,780 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 278 predicate places. [2024-11-13 13:30:36,780 INFO L471 AbstractCegarLoop]: Abstraction has has 468 places, 837 transitions, 15385 flow [2024-11-13 13:30:36,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:30:36,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:36,780 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:36,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:30:36,781 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:30:36,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:36,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1879906238, now seen corresponding path program 13 times [2024-11-13 13:30:36,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:36,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141667108] [2024-11-13 13:30:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:36,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:30:37,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:37,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141667108] [2024-11-13 13:30:37,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141667108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:37,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:30:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807194941] [2024-11-13 13:30:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:37,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:30:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:37,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:30:37,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:30:39,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:30:39,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 837 transitions, 15385 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:30:39,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:39,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:30:39,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:43,778 INFO L124 PetriNetUnfolderBase]: 2283/8270 cut-off events. [2024-11-13 13:30:43,778 INFO L125 PetriNetUnfolderBase]: For 193694/194122 co-relation queries the response was YES. [2024-11-13 13:30:43,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56991 conditions, 8270 events. 2283/8270 cut-off events. For 193694/194122 co-relation queries the response was YES. Maximal size of possible extension queue 523. Compared 90307 event pairs, 293 based on Foata normal form. 285/8463 useless extension candidates. Maximal degree in co-relation 56594. Up to 1785 conditions per place. [2024-11-13 13:30:43,891 INFO L140 encePairwiseOnDemand]: 173/191 looper letters, 536 selfloop transitions, 290 changer transitions 45/1075 dead transitions. [2024-11-13 13:30:43,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1075 transitions, 20704 flow [2024-11-13 13:30:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:30:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:30:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2008 transitions. [2024-11-13 13:30:43,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8760907504363001 [2024-11-13 13:30:43,895 INFO L175 Difference]: Start difference. First operand has 468 places, 837 transitions, 15385 flow. Second operand 12 states and 2008 transitions. [2024-11-13 13:30:43,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1075 transitions, 20704 flow [2024-11-13 13:30:45,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 1075 transitions, 20378 flow, removed 53 selfloop flow, removed 6 redundant places. [2024-11-13 13:30:45,649 INFO L231 Difference]: Finished difference. Result has 477 places, 855 transitions, 16511 flow [2024-11-13 13:30:45,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=15083, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=272, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16511, PETRI_PLACES=477, PETRI_TRANSITIONS=855} [2024-11-13 13:30:45,651 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 287 predicate places. [2024-11-13 13:30:45,651 INFO L471 AbstractCegarLoop]: Abstraction has has 477 places, 855 transitions, 16511 flow [2024-11-13 13:30:45,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:30:45,652 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:45,652 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:45,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:30:45,652 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:30:45,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:45,652 INFO L85 PathProgramCache]: Analyzing trace with hash -550241196, now seen corresponding path program 14 times [2024-11-13 13:30:45,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:45,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883590245] [2024-11-13 13:30:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:30:46,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:46,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883590245] [2024-11-13 13:30:46,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883590245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:46,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:46,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:30:46,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159810651] [2024-11-13 13:30:46,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:46,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:30:46,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:46,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:30:46,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:30:48,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:30:48,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 855 transitions, 16511 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:30:48,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:48,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:30:48,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:52,847 INFO L124 PetriNetUnfolderBase]: 2355/8564 cut-off events. [2024-11-13 13:30:52,847 INFO L125 PetriNetUnfolderBase]: For 226163/226605 co-relation queries the response was YES. [2024-11-13 13:30:52,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60702 conditions, 8564 events. 2355/8564 cut-off events. For 226163/226605 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 94306 event pairs, 460 based on Foata normal form. 245/8708 useless extension candidates. Maximal degree in co-relation 60303. Up to 1645 conditions per place. [2024-11-13 13:30:52,999 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 565 selfloop transitions, 256 changer transitions 60/1085 dead transitions. [2024-11-13 13:30:52,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 1085 transitions, 22290 flow [2024-11-13 13:30:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:30:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:30:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2305 transitions. [2024-11-13 13:30:53,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8620044876589379 [2024-11-13 13:30:53,003 INFO L175 Difference]: Start difference. First operand has 477 places, 855 transitions, 16511 flow. Second operand 14 states and 2305 transitions. [2024-11-13 13:30:53,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 1085 transitions, 22290 flow [2024-11-13 13:30:54,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 1085 transitions, 21888 flow, removed 85 selfloop flow, removed 7 redundant places. [2024-11-13 13:30:54,722 INFO L231 Difference]: Finished difference. Result has 492 places, 883 transitions, 17858 flow [2024-11-13 13:30:54,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=16188, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17858, PETRI_PLACES=492, PETRI_TRANSITIONS=883} [2024-11-13 13:30:54,723 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 302 predicate places. [2024-11-13 13:30:54,724 INFO L471 AbstractCegarLoop]: Abstraction has has 492 places, 883 transitions, 17858 flow [2024-11-13 13:30:54,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:30:54,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:54,724 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:54,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:30:54,725 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:30:54,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:54,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2048589494, now seen corresponding path program 15 times [2024-11-13 13:30:54,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:54,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672296969] [2024-11-13 13:30:54,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:54,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:30:55,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:55,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672296969] [2024-11-13 13:30:55,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672296969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:55,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:55,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:30:55,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586721887] [2024-11-13 13:30:55,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:55,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:30:55,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:55,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:30:55,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:30:57,344 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:30:57,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 883 transitions, 17858 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:30:57,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:57,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:30:57,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:31:01,995 INFO L124 PetriNetUnfolderBase]: 2365/8616 cut-off events. [2024-11-13 13:31:01,995 INFO L125 PetriNetUnfolderBase]: For 242868/243322 co-relation queries the response was YES. [2024-11-13 13:31:02,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62846 conditions, 8616 events. 2365/8616 cut-off events. For 242868/243322 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 95042 event pairs, 309 based on Foata normal form. 245/8763 useless extension candidates. Maximal degree in co-relation 62438. Up to 1907 conditions per place. [2024-11-13 13:31:02,150 INFO L140 encePairwiseOnDemand]: 173/191 looper letters, 603 selfloop transitions, 252 changer transitions 45/1104 dead transitions. [2024-11-13 13:31:02,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 1104 transitions, 22854 flow [2024-11-13 13:31:02,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:31:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:31:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2323 transitions. [2024-11-13 13:31:02,154 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.868735976065819 [2024-11-13 13:31:02,154 INFO L175 Difference]: Start difference. First operand has 492 places, 883 transitions, 17858 flow. Second operand 14 states and 2323 transitions. [2024-11-13 13:31:02,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 1104 transitions, 22854 flow [2024-11-13 13:31:04,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 1104 transitions, 22491 flow, removed 93 selfloop flow, removed 6 redundant places. [2024-11-13 13:31:04,336 INFO L231 Difference]: Finished difference. Result has 504 places, 891 transitions, 18480 flow [2024-11-13 13:31:04,336 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=17521, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=243, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18480, PETRI_PLACES=504, PETRI_TRANSITIONS=891} [2024-11-13 13:31:04,337 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 314 predicate places. [2024-11-13 13:31:04,337 INFO L471 AbstractCegarLoop]: Abstraction has has 504 places, 891 transitions, 18480 flow [2024-11-13 13:31:04,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:31:04,337 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:31:04,337 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:04,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:31:04,338 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:31:04,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:04,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1871145758, now seen corresponding path program 16 times [2024-11-13 13:31:04,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:04,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945028414] [2024-11-13 13:31:04,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:04,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:31:05,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:05,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945028414] [2024-11-13 13:31:05,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945028414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:05,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:05,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:31:05,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640603951] [2024-11-13 13:31:05,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:05,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:31:05,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:05,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:31:05,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:31:07,413 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:31:07,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 891 transitions, 18480 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:31:07,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:31:07,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:31:07,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:31:12,067 INFO L124 PetriNetUnfolderBase]: 2347/8606 cut-off events. [2024-11-13 13:31:12,067 INFO L125 PetriNetUnfolderBase]: For 263098/263552 co-relation queries the response was YES. [2024-11-13 13:31:12,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64028 conditions, 8606 events. 2347/8606 cut-off events. For 263098/263552 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 95375 event pairs, 268 based on Foata normal form. 286/8798 useless extension candidates. Maximal degree in co-relation 63616. Up to 1933 conditions per place. [2024-11-13 13:31:12,206 INFO L140 encePairwiseOnDemand]: 173/191 looper letters, 562 selfloop transitions, 278 changer transitions 49/1093 dead transitions. [2024-11-13 13:31:12,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 1093 transitions, 23043 flow [2024-11-13 13:31:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:31:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 13:31:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2161 transitions. [2024-11-13 13:31:12,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8703181635118807 [2024-11-13 13:31:12,210 INFO L175 Difference]: Start difference. First operand has 504 places, 891 transitions, 18480 flow. Second operand 13 states and 2161 transitions. [2024-11-13 13:31:12,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 1093 transitions, 23043 flow [2024-11-13 13:31:14,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1093 transitions, 22643 flow, removed 46 selfloop flow, removed 9 redundant places. [2024-11-13 13:31:14,356 INFO L231 Difference]: Finished difference. Result has 509 places, 881 transitions, 18509 flow [2024-11-13 13:31:14,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=18103, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=891, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=274, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18509, PETRI_PLACES=509, PETRI_TRANSITIONS=881} [2024-11-13 13:31:14,357 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 319 predicate places. [2024-11-13 13:31:14,357 INFO L471 AbstractCegarLoop]: Abstraction has has 509 places, 881 transitions, 18509 flow [2024-11-13 13:31:14,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:31:14,358 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:31:14,358 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:14,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:31:14,358 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:31:14,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:14,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1214309814, now seen corresponding path program 17 times [2024-11-13 13:31:14,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:14,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755905930] [2024-11-13 13:31:14,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:31:15,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:15,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755905930] [2024-11-13 13:31:15,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755905930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:15,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:15,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:31:15,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524034025] [2024-11-13 13:31:15,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:15,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:31:15,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:31:15,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:31:18,261 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:31:18,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 881 transitions, 18509 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:31:18,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:31:18,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:31:18,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:31:23,273 INFO L124 PetriNetUnfolderBase]: 2333/8702 cut-off events. [2024-11-13 13:31:23,274 INFO L125 PetriNetUnfolderBase]: For 279717/280165 co-relation queries the response was YES. [2024-11-13 13:31:23,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64794 conditions, 8702 events. 2333/8702 cut-off events. For 279717/280165 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 97146 event pairs, 453 based on Foata normal form. 241/8852 useless extension candidates. Maximal degree in co-relation 64382. Up to 1676 conditions per place. [2024-11-13 13:31:23,429 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 578 selfloop transitions, 268 changer transitions 58/1108 dead transitions. [2024-11-13 13:31:23,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 1108 transitions, 24277 flow [2024-11-13 13:31:23,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:31:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:31:23,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2320 transitions. [2024-11-13 13:31:23,432 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8676140613313388 [2024-11-13 13:31:23,432 INFO L175 Difference]: Start difference. First operand has 509 places, 881 transitions, 18509 flow. Second operand 14 states and 2320 transitions. [2024-11-13 13:31:23,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 1108 transitions, 24277 flow [2024-11-13 13:31:25,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 1108 transitions, 23620 flow, removed 36 selfloop flow, removed 14 redundant places. [2024-11-13 13:31:25,432 INFO L231 Difference]: Finished difference. Result has 513 places, 897 transitions, 19162 flow [2024-11-13 13:31:25,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=17898, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19162, PETRI_PLACES=513, PETRI_TRANSITIONS=897} [2024-11-13 13:31:25,433 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 323 predicate places. [2024-11-13 13:31:25,433 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 897 transitions, 19162 flow [2024-11-13 13:31:25,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:31:25,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:31:25,433 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:25,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:31:25,433 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:31:25,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:25,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1580781378, now seen corresponding path program 18 times [2024-11-13 13:31:25,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:25,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748842941] [2024-11-13 13:31:25,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:31:26,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:26,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748842941] [2024-11-13 13:31:26,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748842941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:26,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:26,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:31:26,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532909718] [2024-11-13 13:31:26,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:26,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:31:26,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:26,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:31:26,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:31:28,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:31:28,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 897 transitions, 19162 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:31:28,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:31:28,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:31:28,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:31:33,859 INFO L124 PetriNetUnfolderBase]: 2334/8711 cut-off events. [2024-11-13 13:31:33,859 INFO L125 PetriNetUnfolderBase]: For 288821/289272 co-relation queries the response was YES. [2024-11-13 13:31:33,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65541 conditions, 8711 events. 2334/8711 cut-off events. For 288821/289272 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 97470 event pairs, 432 based on Foata normal form. 231/8853 useless extension candidates. Maximal degree in co-relation 65127. Up to 1687 conditions per place. [2024-11-13 13:31:33,958 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 546 selfloop transitions, 298 changer transitions 44/1092 dead transitions. [2024-11-13 13:31:33,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1092 transitions, 24043 flow [2024-11-13 13:31:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:31:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:31:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2004 transitions. [2024-11-13 13:31:33,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8743455497382199 [2024-11-13 13:31:33,960 INFO L175 Difference]: Start difference. First operand has 513 places, 897 transitions, 19162 flow. Second operand 12 states and 2004 transitions. [2024-11-13 13:31:33,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1092 transitions, 24043 flow [2024-11-13 13:31:35,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1092 transitions, 23481 flow, removed 88 selfloop flow, removed 7 redundant places. [2024-11-13 13:31:35,679 INFO L231 Difference]: Finished difference. Result has 520 places, 902 transitions, 19534 flow [2024-11-13 13:31:35,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=18624, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=897, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19534, PETRI_PLACES=520, PETRI_TRANSITIONS=902} [2024-11-13 13:31:35,680 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 330 predicate places. [2024-11-13 13:31:35,680 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 902 transitions, 19534 flow [2024-11-13 13:31:35,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:31:35,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:31:35,681 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:35,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:31:35,681 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:31:35,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash -2052371734, now seen corresponding path program 19 times [2024-11-13 13:31:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:35,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214161015] [2024-11-13 13:31:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:35,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:36,490 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:31:36,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:36,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214161015] [2024-11-13 13:31:36,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214161015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:36,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:36,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:31:36,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168135394] [2024-11-13 13:31:36,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:36,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:31:36,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:36,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:31:36,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:31:38,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:31:38,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 902 transitions, 19534 flow. Second operand has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:31:38,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:31:38,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:31:38,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:31:43,298 INFO L124 PetriNetUnfolderBase]: 2302/8646 cut-off events. [2024-11-13 13:31:43,298 INFO L125 PetriNetUnfolderBase]: For 295576/296028 co-relation queries the response was YES. [2024-11-13 13:31:43,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65358 conditions, 8646 events. 2302/8646 cut-off events. For 295576/296028 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 96777 event pairs, 441 based on Foata normal form. 237/8793 useless extension candidates. Maximal degree in co-relation 64942. Up to 1697 conditions per place. [2024-11-13 13:31:43,412 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 549 selfloop transitions, 280 changer transitions 54/1087 dead transitions. [2024-11-13 13:31:43,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 1087 transitions, 24193 flow [2024-11-13 13:31:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:31:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 13:31:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2158 transitions. [2024-11-13 13:31:43,415 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8691099476439791 [2024-11-13 13:31:43,415 INFO L175 Difference]: Start difference. First operand has 520 places, 902 transitions, 19534 flow. Second operand 13 states and 2158 transitions. [2024-11-13 13:31:43,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 1087 transitions, 24193 flow [2024-11-13 13:31:45,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 1087 transitions, 23600 flow, removed 56 selfloop flow, removed 8 redundant places. [2024-11-13 13:31:45,149 INFO L231 Difference]: Finished difference. Result has 526 places, 896 transitions, 19439 flow [2024-11-13 13:31:45,150 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=18971, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=902, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19439, PETRI_PLACES=526, PETRI_TRANSITIONS=896} [2024-11-13 13:31:45,151 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 336 predicate places. [2024-11-13 13:31:45,151 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 896 transitions, 19439 flow [2024-11-13 13:31:45,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.1) internal successors, (1571), 10 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states 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 13:31:45,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:31:45,151 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:45,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 13:31:45,152 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:31:45,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:45,152 INFO L85 PathProgramCache]: Analyzing trace with hash 418592768, now seen corresponding path program 20 times [2024-11-13 13:31:45,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:45,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735224265] [2024-11-13 13:31:45,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:31:46,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:46,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735224265] [2024-11-13 13:31:46,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735224265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:46,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:46,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:31:46,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611093823] [2024-11-13 13:31:46,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:46,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:31:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:46,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:31:46,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:31:48,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:31:48,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 896 transitions, 19439 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:31:48,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:31:48,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:31:48,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:31:52,987 INFO L124 PetriNetUnfolderBase]: 2278/8682 cut-off events. [2024-11-13 13:31:52,987 INFO L125 PetriNetUnfolderBase]: For 295919/296360 co-relation queries the response was YES. [2024-11-13 13:31:53,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65372 conditions, 8682 events. 2278/8682 cut-off events. For 295919/296360 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 97906 event pairs, 454 based on Foata normal form. 295/8888 useless extension candidates. Maximal degree in co-relation 64955. Up to 1706 conditions per place. [2024-11-13 13:31:53,115 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 488 selfloop transitions, 329 changer transitions 60/1080 dead transitions. [2024-11-13 13:31:53,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 1080 transitions, 24179 flow [2024-11-13 13:31:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:31:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 13:31:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2160 transitions. [2024-11-13 13:31:53,117 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8699154248892469 [2024-11-13 13:31:53,117 INFO L175 Difference]: Start difference. First operand has 526 places, 896 transitions, 19439 flow. Second operand 13 states and 2160 transitions. [2024-11-13 13:31:53,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 1080 transitions, 24179 flow [2024-11-13 13:31:55,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 1080 transitions, 23564 flow, removed 23 selfloop flow, removed 12 redundant places. [2024-11-13 13:31:55,106 INFO L231 Difference]: Finished difference. Result has 529 places, 891 transitions, 19523 flow [2024-11-13 13:31:55,107 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=18842, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=896, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19523, PETRI_PLACES=529, PETRI_TRANSITIONS=891} [2024-11-13 13:31:55,108 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 339 predicate places. [2024-11-13 13:31:55,108 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 891 transitions, 19523 flow [2024-11-13 13:31:55,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:31:55,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:31:55,108 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:55,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 13:31:55,109 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:31:55,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:55,109 INFO L85 PathProgramCache]: Analyzing trace with hash 890183124, now seen corresponding path program 21 times [2024-11-13 13:31:55,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:55,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929947082] [2024-11-13 13:31:55,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:55,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:55,997 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:31:55,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:55,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929947082] [2024-11-13 13:31:55,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929947082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:55,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:55,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:31:55,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794669195] [2024-11-13 13:31:55,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:55,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:31:55,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:55,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:31:56,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:31:58,548 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2024-11-13 13:31:58,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 891 transitions, 19523 flow. Second operand has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:31:58,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:31:58,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2024-11-13 13:31:58,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:32:03,001 INFO L124 PetriNetUnfolderBase]: 2185/8380 cut-off events. [2024-11-13 13:32:03,001 INFO L125 PetriNetUnfolderBase]: For 276828/277237 co-relation queries the response was YES. [2024-11-13 13:32:03,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62138 conditions, 8380 events. 2185/8380 cut-off events. For 276828/277237 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 93926 event pairs, 391 based on Foata normal form. 252/8548 useless extension candidates. Maximal degree in co-relation 61721. Up to 1674 conditions per place. [2024-11-13 13:32:03,072 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 466 selfloop transitions, 331 changer transitions 56/1056 dead transitions. [2024-11-13 13:32:03,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 1056 transitions, 23648 flow [2024-11-13 13:32:03,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:32:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:32:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1997 transitions. [2024-11-13 13:32:03,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8712914485165794 [2024-11-13 13:32:03,074 INFO L175 Difference]: Start difference. First operand has 529 places, 891 transitions, 19523 flow. Second operand 12 states and 1997 transitions. [2024-11-13 13:32:03,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 1056 transitions, 23648 flow [2024-11-13 13:32:04,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 1056 transitions, 22827 flow, removed 36 selfloop flow, removed 10 redundant places. [2024-11-13 13:32:04,475 INFO L231 Difference]: Finished difference. Result has 533 places, 887 transitions, 19307 flow [2024-11-13 13:32:04,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=18716, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=891, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19307, PETRI_PLACES=533, PETRI_TRANSITIONS=887} [2024-11-13 13:32:04,476 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 343 predicate places. [2024-11-13 13:32:04,476 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 887 transitions, 19307 flow [2024-11-13 13:32:04,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 156.9090909090909) internal successors, (1726), 11 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 13:32:04,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:32:04,477 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:04,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 13:32:04,478 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:32:04,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:04,478 INFO L85 PathProgramCache]: Analyzing trace with hash 393902634, now seen corresponding path program 22 times [2024-11-13 13:32:04,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:32:04,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543546513] [2024-11-13 13:32:04,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:32:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat