./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:57:54,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:57:54,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:57:54,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:57:54,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:57:54,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:57:54,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:57:54,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:57:54,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:57:54,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:57:54,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:57:54,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:57:54,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:57:54,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:57:54,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:57:54,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:57:54,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:57:54,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:57:54,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:57:54,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:57:54,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:57:54,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:57:54,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:57:54,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:57:54,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:57:54,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:57:54,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:57:54,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:57:54,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:57:54,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:57:54,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:57:54,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:57:54,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:57:54,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:57:54,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:57:54,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:57:54,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:57:54,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:57:54,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:57:54,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:57:54,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:57:54,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:57:54,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:57:54,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:57:54,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:57:54,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:57:54,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:57:54,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:57:54,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:57:54,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:57:54,790 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:57:54,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:57:54,791 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:57:54,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:57:54,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:57:54,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:57:54,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:57:54,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:57:54,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:57:54,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:57:54,793 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:57:54,793 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:57:54,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:57:54,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:57:54,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:57:54,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:57:54,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:57:54,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:57:54,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:57:54,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:57:54,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:57:54,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:57:54,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:57:54,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:57:54,797 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:57:54,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:57:54,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:57:54,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a [2022-11-02 20:57:55,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:57:55,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:57:55,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:57:55,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:57:55,177 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:57:55,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-11-02 20:57:55,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/data/c7aebbd0d/0f0f147bbc9e4b9d94c71cffb1b42a28/FLAG33cc2c4d0 [2022-11-02 20:57:55,889 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:57:55,890 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-11-02 20:57:55,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/data/c7aebbd0d/0f0f147bbc9e4b9d94c71cffb1b42a28/FLAG33cc2c4d0 [2022-11-02 20:57:56,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/data/c7aebbd0d/0f0f147bbc9e4b9d94c71cffb1b42a28 [2022-11-02 20:57:56,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:57:56,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:57:56,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:57:56,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:57:56,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:57:56,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f22ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56, skipping insertion in model container [2022-11-02 20:57:56,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:57:56,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:57:56,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-11-02 20:57:56,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:57:56,513 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:57:56,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-11-02 20:57:56,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:57:56,576 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:57:56,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56 WrapperNode [2022-11-02 20:57:56,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:57:56,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:57:56,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:57:56,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:57:56,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,651 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 419 [2022-11-02 20:57:56,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:57:56,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:57:56,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:57:56,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:57:56,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,703 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:57:56,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:57:56,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:57:56,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:57:56,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (1/1) ... [2022-11-02 20:57:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:57:56,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:57:56,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:57:56,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:57:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:57:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:57:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:57:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:57:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:57:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:57:56,812 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:57:56,951 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:57:56,954 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:57:57,956 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:57:58,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:57:58,278 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-02 20:57:58,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:58 BoogieIcfgContainer [2022-11-02 20:57:58,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:57:58,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:57:58,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:57:58,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:57:58,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:57:56" (1/3) ... [2022-11-02 20:57:58,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b190065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:58, skipping insertion in model container [2022-11-02 20:57:58,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:56" (2/3) ... [2022-11-02 20:57:58,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b190065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:58, skipping insertion in model container [2022-11-02 20:57:58,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:58" (3/3) ... [2022-11-02 20:57:58,296 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2022-11-02 20:57:58,309 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:57:58,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:57:58,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2022-11-02 20:57:58,321 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:57:58,470 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:57:58,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 385 transitions, 786 flow [2022-11-02 20:57:58,669 INFO L130 PetriNetUnfolder]: 16/383 cut-off events. [2022-11-02 20:57:58,669 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:57:58,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 383 events. 16/383 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 618 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 288. Up to 2 conditions per place. [2022-11-02 20:57:58,679 INFO L82 GeneralOperation]: Start removeDead. Operand has 376 places, 385 transitions, 786 flow [2022-11-02 20:57:58,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 365 transitions, 742 flow [2022-11-02 20:57:58,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:57:58,726 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6c84715c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:57:58,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2022-11-02 20:57:58,742 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-02 20:57:58,743 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:57:58,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:57:58,744 INFO L208 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] [2022-11-02 20:57:58,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:57:58,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:58,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1362390323, now seen corresponding path program 1 times [2022-11-02 20:57:58,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:58,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961449477] [2022-11-02 20:57:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:58,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:58,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:58,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961449477] [2022-11-02 20:57:58,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961449477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:58,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:58,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:57:58,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329510626] [2022-11-02 20:57:58,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:58,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:57:58,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:59,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:57:59,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:57:59,031 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-02 20:57:59,036 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 365 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,036 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:57:59,036 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-02 20:57:59,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:57:59,219 INFO L130 PetriNetUnfolder]: 36/431 cut-off events. [2022-11-02 20:57:59,219 INFO L131 PetriNetUnfolder]: For 38/43 co-relation queries the response was YES. [2022-11-02 20:57:59,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 431 events. 36/431 cut-off events. For 38/43 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1180 event pairs, 17 based on Foata normal form. 20/365 useless extension candidates. Maximal degree in co-relation 274. Up to 66 conditions per place. [2022-11-02 20:57:59,225 INFO L137 encePairwiseOnDemand]: 341/385 looper letters, 20 selfloop transitions, 2 changer transitions 5/323 dead transitions. [2022-11-02 20:57:59,225 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 323 transitions, 702 flow [2022-11-02 20:57:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:57:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:57:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2022-11-02 20:57:59,243 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8813852813852814 [2022-11-02 20:57:59,244 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2022-11-02 20:57:59,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2022-11-02 20:57:59,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:57:59,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2022-11-02 20:57:59,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,268 INFO L175 Difference]: Start difference. First operand has 357 places, 365 transitions, 742 flow. Second operand 3 states and 1018 transitions. [2022-11-02 20:57:59,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 323 transitions, 702 flow [2022-11-02 20:57:59,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 323 transitions, 694 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:57:59,280 INFO L231 Difference]: Finished difference. Result has 322 places, 318 transitions, 644 flow [2022-11-02 20:57:59,283 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=322, PETRI_TRANSITIONS=318} [2022-11-02 20:57:59,287 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -35 predicate places. [2022-11-02 20:57:59,287 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 318 transitions, 644 flow [2022-11-02 20:57:59,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:57:59,289 INFO L208 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] [2022-11-02 20:57:59,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:57:59,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:57:59,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash 152148337, now seen corresponding path program 1 times [2022-11-02 20:57:59,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:59,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467760500] [2022-11-02 20:57:59,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:59,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:59,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:59,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467760500] [2022-11-02 20:57:59,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467760500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:59,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:59,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:57:59,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6019320] [2022-11-02 20:57:59,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:59,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:57:59,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:59,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:57:59,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:57:59,355 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-02 20:57:59,357 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 318 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,357 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:57:59,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-02 20:57:59,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:57:59,607 INFO L130 PetriNetUnfolder]: 34/562 cut-off events. [2022-11-02 20:57:59,608 INFO L131 PetriNetUnfolder]: For 4/15 co-relation queries the response was YES. [2022-11-02 20:57:59,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 562 events. 34/562 cut-off events. For 4/15 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2002 event pairs, 14 based on Foata normal form. 0/460 useless extension candidates. Maximal degree in co-relation 596. Up to 58 conditions per place. [2022-11-02 20:57:59,615 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 21 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2022-11-02 20:57:59,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 317 transitions, 688 flow [2022-11-02 20:57:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:57:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:57:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-02 20:57:59,622 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2022-11-02 20:57:59,622 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-02 20:57:59,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-02 20:57:59,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:57:59,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-02 20:57:59,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,634 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,634 INFO L175 Difference]: Start difference. First operand has 322 places, 318 transitions, 644 flow. Second operand 3 states and 978 transitions. [2022-11-02 20:57:59,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 317 transitions, 688 flow [2022-11-02 20:57:59,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:57:59,648 INFO L231 Difference]: Finished difference. Result has 316 places, 317 transitions, 642 flow [2022-11-02 20:57:59,649 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=316, PETRI_TRANSITIONS=317} [2022-11-02 20:57:59,650 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -41 predicate places. [2022-11-02 20:57:59,650 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 317 transitions, 642 flow [2022-11-02 20:57:59,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:57:59,652 INFO L208 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] [2022-11-02 20:57:59,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:57:59,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:57:59,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:59,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2011936219, now seen corresponding path program 1 times [2022-11-02 20:57:59,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:59,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901660891] [2022-11-02 20:57:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:59,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:59,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:59,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901660891] [2022-11-02 20:57:59,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901660891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:59,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:59,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:57:59,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697778362] [2022-11-02 20:57:59,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:59,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:57:59,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:59,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:57:59,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:57:59,782 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-02 20:57:59,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 317 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:57:59,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-02 20:57:59,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:57:59,922 INFO L130 PetriNetUnfolder]: 18/406 cut-off events. [2022-11-02 20:57:59,923 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-02 20:57:59,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 406 events. 18/406 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 890 event pairs, 5 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 403. Up to 31 conditions per place. [2022-11-02 20:57:59,926 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2022-11-02 20:57:59,927 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 316 transitions, 674 flow [2022-11-02 20:57:59,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:57:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:57:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2022-11-02 20:57:59,930 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2022-11-02 20:57:59,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2022-11-02 20:57:59,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2022-11-02 20:57:59,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:57:59,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2022-11-02 20:57:59,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,953 INFO L175 Difference]: Start difference. First operand has 316 places, 317 transitions, 642 flow. Second operand 3 states and 990 transitions. [2022-11-02 20:57:59,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 316 transitions, 674 flow [2022-11-02 20:57:59,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 316 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:57:59,960 INFO L231 Difference]: Finished difference. Result has 315 places, 316 transitions, 640 flow [2022-11-02 20:57:59,960 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=315, PETRI_TRANSITIONS=316} [2022-11-02 20:57:59,961 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -42 predicate places. [2022-11-02 20:57:59,962 INFO L495 AbstractCegarLoop]: Abstraction has has 315 places, 316 transitions, 640 flow [2022-11-02 20:57:59,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:59,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:57:59,963 INFO L208 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] [2022-11-02 20:57:59,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:57:59,964 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:57:59,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:59,964 INFO L85 PathProgramCache]: Analyzing trace with hash 675651435, now seen corresponding path program 1 times [2022-11-02 20:57:59,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:59,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487676613] [2022-11-02 20:57:59,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:59,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:00,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:00,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487676613] [2022-11-02 20:58:00,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487676613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:00,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:00,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:00,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198442539] [2022-11-02 20:58:00,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:00,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:00,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:00,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:00,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:00,019 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-02 20:58:00,020 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 316 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,021 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:00,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-02 20:58:00,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:00,123 INFO L130 PetriNetUnfolder]: 18/405 cut-off events. [2022-11-02 20:58:00,123 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-02 20:58:00,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 405 events. 18/405 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 890 event pairs, 5 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 395. Up to 31 conditions per place. [2022-11-02 20:58:00,127 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2022-11-02 20:58:00,127 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 315 transitions, 672 flow [2022-11-02 20:58:00,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:00,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2022-11-02 20:58:00,130 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2022-11-02 20:58:00,131 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2022-11-02 20:58:00,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2022-11-02 20:58:00,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:00,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2022-11-02 20:58:00,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,139 INFO L175 Difference]: Start difference. First operand has 315 places, 316 transitions, 640 flow. Second operand 3 states and 990 transitions. [2022-11-02 20:58:00,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 315 transitions, 672 flow [2022-11-02 20:58:00,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 668 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:00,146 INFO L231 Difference]: Finished difference. Result has 314 places, 315 transitions, 638 flow [2022-11-02 20:58:00,147 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=314, PETRI_TRANSITIONS=315} [2022-11-02 20:58:00,148 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-02 20:58:00,148 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 315 transitions, 638 flow [2022-11-02 20:58:00,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:00,149 INFO L208 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] [2022-11-02 20:58:00,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:58:00,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:00,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:00,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1172856519, now seen corresponding path program 1 times [2022-11-02 20:58:00,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:00,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056601071] [2022-11-02 20:58:00,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:00,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:00,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056601071] [2022-11-02 20:58:00,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056601071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:00,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:00,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:00,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622484520] [2022-11-02 20:58:00,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:00,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:00,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:00,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:00,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:00,198 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-02 20:58:00,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 315 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:00,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-02 20:58:00,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:00,315 INFO L130 PetriNetUnfolder]: 21/418 cut-off events. [2022-11-02 20:58:00,315 INFO L131 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2022-11-02 20:58:00,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 418 events. 21/418 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 870 event pairs, 5 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 405. Up to 21 conditions per place. [2022-11-02 20:58:00,319 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2022-11-02 20:58:00,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 319 transitions, 684 flow [2022-11-02 20:58:00,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2022-11-02 20:58:00,322 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8658008658008658 [2022-11-02 20:58:00,323 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2022-11-02 20:58:00,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2022-11-02 20:58:00,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:00,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2022-11-02 20:58:00,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,330 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,331 INFO L175 Difference]: Start difference. First operand has 314 places, 315 transitions, 638 flow. Second operand 3 states and 1000 transitions. [2022-11-02 20:58:00,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 319 transitions, 684 flow [2022-11-02 20:58:00,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 319 transitions, 680 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:00,351 INFO L231 Difference]: Finished difference. Result has 314 places, 315 transitions, 642 flow [2022-11-02 20:58:00,352 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=314, PETRI_TRANSITIONS=315} [2022-11-02 20:58:00,353 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-02 20:58:00,353 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 315 transitions, 642 flow [2022-11-02 20:58:00,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:00,354 INFO L208 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] [2022-11-02 20:58:00,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:58:00,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:00,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:00,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1269087168, now seen corresponding path program 1 times [2022-11-02 20:58:00,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:00,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462863642] [2022-11-02 20:58:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:00,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:00,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:00,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462863642] [2022-11-02 20:58:00,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462863642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:00,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:00,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:00,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569668713] [2022-11-02 20:58:00,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:00,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:00,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:00,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:00,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:00,404 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-02 20:58:00,406 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 315 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:00,406 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-02 20:58:00,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:00,517 INFO L130 PetriNetUnfolder]: 21/425 cut-off events. [2022-11-02 20:58:00,518 INFO L131 PetriNetUnfolder]: For 13/15 co-relation queries the response was YES. [2022-11-02 20:58:00,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 425 events. 21/425 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1049 event pairs, 7 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 277. Up to 35 conditions per place. [2022-11-02 20:58:00,522 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 13 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2022-11-02 20:58:00,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 314 transitions, 670 flow [2022-11-02 20:58:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:00,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2022-11-02 20:58:00,525 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8623376623376623 [2022-11-02 20:58:00,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 996 transitions. [2022-11-02 20:58:00,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 996 transitions. [2022-11-02 20:58:00,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:00,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 996 transitions. [2022-11-02 20:58:00,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,533 INFO L175 Difference]: Start difference. First operand has 314 places, 315 transitions, 642 flow. Second operand 3 states and 996 transitions. [2022-11-02 20:58:00,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 314 transitions, 670 flow [2022-11-02 20:58:00,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 668 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:00,540 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 642 flow [2022-11-02 20:58:00,541 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2022-11-02 20:58:00,541 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-02 20:58:00,542 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 642 flow [2022-11-02 20:58:00,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,543 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:00,543 INFO L208 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] [2022-11-02 20:58:00,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:58:00,544 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:00,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:00,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1220219590, now seen corresponding path program 1 times [2022-11-02 20:58:00,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:00,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490191940] [2022-11-02 20:58:00,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:00,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:00,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:00,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490191940] [2022-11-02 20:58:00,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490191940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:00,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:00,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:00,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708605269] [2022-11-02 20:58:00,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:00,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:00,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:00,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:00,588 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-02 20:58:00,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,590 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:00,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-02 20:58:00,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:00,687 INFO L130 PetriNetUnfolder]: 21/424 cut-off events. [2022-11-02 20:58:00,687 INFO L131 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2022-11-02 20:58:00,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 424 events. 21/424 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1031 event pairs, 7 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 408. Up to 33 conditions per place. [2022-11-02 20:58:00,691 INFO L137 encePairwiseOnDemand]: 383/385 looper letters, 13 selfloop transitions, 1 changer transitions 0/313 dead transitions. [2022-11-02 20:58:00,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 313 transitions, 668 flow [2022-11-02 20:58:00,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2022-11-02 20:58:00,694 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2022-11-02 20:58:00,695 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2022-11-02 20:58:00,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2022-11-02 20:58:00,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:00,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2022-11-02 20:58:00,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,702 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 642 flow. Second operand 3 states and 995 transitions. [2022-11-02 20:58:00,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 313 transitions, 668 flow [2022-11-02 20:58:00,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 313 transitions, 664 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:00,709 INFO L231 Difference]: Finished difference. Result has 313 places, 313 transitions, 638 flow [2022-11-02 20:58:00,709 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=313, PETRI_TRANSITIONS=313} [2022-11-02 20:58:00,710 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -44 predicate places. [2022-11-02 20:58:00,710 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 313 transitions, 638 flow [2022-11-02 20:58:00,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:00,712 INFO L208 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] [2022-11-02 20:58:00,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:58:00,712 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:00,713 INFO L85 PathProgramCache]: Analyzing trace with hash 516825597, now seen corresponding path program 1 times [2022-11-02 20:58:00,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:00,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645061333] [2022-11-02 20:58:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:00,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:00,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:00,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645061333] [2022-11-02 20:58:00,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645061333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:00,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:00,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:00,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279665639] [2022-11-02 20:58:00,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:00,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:00,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:00,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:00,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:00,776 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-02 20:58:00,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 313 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:00,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-02 20:58:00,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:00,901 INFO L130 PetriNetUnfolder]: 21/423 cut-off events. [2022-11-02 20:58:00,901 INFO L131 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2022-11-02 20:58:00,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 423 events. 21/423 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1037 event pairs, 7 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 408. Up to 35 conditions per place. [2022-11-02 20:58:00,905 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 13 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2022-11-02 20:58:00,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 312 transitions, 666 flow [2022-11-02 20:58:00,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:00,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2022-11-02 20:58:00,909 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8623376623376623 [2022-11-02 20:58:00,909 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 996 transitions. [2022-11-02 20:58:00,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 996 transitions. [2022-11-02 20:58:00,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:00,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 996 transitions. [2022-11-02 20:58:00,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,916 INFO L175 Difference]: Start difference. First operand has 313 places, 313 transitions, 638 flow. Second operand 3 states and 996 transitions. [2022-11-02 20:58:00,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 312 transitions, 666 flow [2022-11-02 20:58:00,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 312 transitions, 665 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:00,925 INFO L231 Difference]: Finished difference. Result has 313 places, 312 transitions, 639 flow [2022-11-02 20:58:00,926 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=313, PETRI_TRANSITIONS=312} [2022-11-02 20:58:00,930 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -44 predicate places. [2022-11-02 20:58:00,930 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 312 transitions, 639 flow [2022-11-02 20:58:00,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:00,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:00,931 INFO L208 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] [2022-11-02 20:58:00,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:58:00,932 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:00,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:00,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1267041851, now seen corresponding path program 1 times [2022-11-02 20:58:00,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:00,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003810780] [2022-11-02 20:58:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:00,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:01,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:01,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003810780] [2022-11-02 20:58:01,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003810780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:01,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:01,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:01,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403420912] [2022-11-02 20:58:01,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:01,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:01,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:01,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:01,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:01,559 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 385 [2022-11-02 20:58:01,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 312 transitions, 639 flow. Second operand has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:01,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:01,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 385 [2022-11-02 20:58:01,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:02,434 INFO L130 PetriNetUnfolder]: 806/2198 cut-off events. [2022-11-02 20:58:02,435 INFO L131 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2022-11-02 20:58:02,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3676 conditions, 2198 events. 806/2198 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 13942 event pairs, 637 based on Foata normal form. 0/1811 useless extension candidates. Maximal degree in co-relation 3611. Up to 1236 conditions per place. [2022-11-02 20:58:02,457 INFO L137 encePairwiseOnDemand]: 373/385 looper letters, 62 selfloop transitions, 10 changer transitions 0/310 dead transitions. [2022-11-02 20:58:02,457 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 310 transitions, 779 flow [2022-11-02 20:58:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:58:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:58:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1687 transitions. [2022-11-02 20:58:02,464 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7303030303030303 [2022-11-02 20:58:02,464 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1687 transitions. [2022-11-02 20:58:02,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1687 transitions. [2022-11-02 20:58:02,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:02,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1687 transitions. [2022-11-02 20:58:02,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 281.1666666666667) internal successors, (1687), 6 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,476 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,479 INFO L175 Difference]: Start difference. First operand has 313 places, 312 transitions, 639 flow. Second operand 6 states and 1687 transitions. [2022-11-02 20:58:02,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 310 transitions, 779 flow [2022-11-02 20:58:02,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 310 transitions, 775 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:02,486 INFO L231 Difference]: Finished difference. Result has 314 places, 310 transitions, 651 flow [2022-11-02 20:58:02,487 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=651, PETRI_PLACES=314, PETRI_TRANSITIONS=310} [2022-11-02 20:58:02,488 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-02 20:58:02,489 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 310 transitions, 651 flow [2022-11-02 20:58:02,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:02,491 INFO L208 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] [2022-11-02 20:58:02,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:58:02,491 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:02,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash -394032798, now seen corresponding path program 1 times [2022-11-02 20:58:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:02,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924743396] [2022-11-02 20:58:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:02,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:02,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924743396] [2022-11-02 20:58:02,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924743396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:02,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:02,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:02,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677276719] [2022-11-02 20:58:02,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:02,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:02,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:02,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:02,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:02,570 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-02 20:58:02,571 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 310 transitions, 651 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:02,572 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-02 20:58:02,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:02,689 INFO L130 PetriNetUnfolder]: 34/545 cut-off events. [2022-11-02 20:58:02,689 INFO L131 PetriNetUnfolder]: For 16/24 co-relation queries the response was YES. [2022-11-02 20:58:02,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 545 events. 34/545 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1872 event pairs, 15 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 599. Up to 55 conditions per place. [2022-11-02 20:58:02,694 INFO L137 encePairwiseOnDemand]: 381/385 looper letters, 17 selfloop transitions, 1 changer transitions 0/307 dead transitions. [2022-11-02 20:58:02,694 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 307 transitions, 681 flow [2022-11-02 20:58:02,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:02,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2022-11-02 20:58:02,697 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8510822510822511 [2022-11-02 20:58:02,698 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2022-11-02 20:58:02,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2022-11-02 20:58:02,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:02,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2022-11-02 20:58:02,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,705 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,706 INFO L175 Difference]: Start difference. First operand has 314 places, 310 transitions, 651 flow. Second operand 3 states and 983 transitions. [2022-11-02 20:58:02,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 307 transitions, 681 flow [2022-11-02 20:58:02,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 307 transitions, 661 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:58:02,713 INFO L231 Difference]: Finished difference. Result has 308 places, 307 transitions, 627 flow [2022-11-02 20:58:02,714 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=627, PETRI_PLACES=308, PETRI_TRANSITIONS=307} [2022-11-02 20:58:02,715 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -49 predicate places. [2022-11-02 20:58:02,715 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 307 transitions, 627 flow [2022-11-02 20:58:02,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:02,733 INFO L208 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] [2022-11-02 20:58:02,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:58:02,733 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:02,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:02,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1013207383, now seen corresponding path program 1 times [2022-11-02 20:58:02,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:02,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798439867] [2022-11-02 20:58:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:02,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:02,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:02,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798439867] [2022-11-02 20:58:02,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798439867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:02,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:02,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:02,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293678113] [2022-11-02 20:58:02,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:02,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:02,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:02,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:02,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:02,791 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-02 20:58:02,792 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 307 transitions, 627 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:02,793 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-02 20:58:02,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:02,982 INFO L130 PetriNetUnfolder]: 55/598 cut-off events. [2022-11-02 20:58:02,982 INFO L131 PetriNetUnfolder]: For 24/32 co-relation queries the response was YES. [2022-11-02 20:58:02,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 598 events. 55/598 cut-off events. For 24/32 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2261 event pairs, 31 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 665. Up to 98 conditions per place. [2022-11-02 20:58:02,988 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2022-11-02 20:58:02,988 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 306 transitions, 673 flow [2022-11-02 20:58:02,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-02 20:58:02,992 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2022-11-02 20:58:02,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-02 20:58:02,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-02 20:58:02,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:02,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-02 20:58:02,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,999 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:02,999 INFO L175 Difference]: Start difference. First operand has 308 places, 307 transitions, 627 flow. Second operand 3 states and 978 transitions. [2022-11-02 20:58:02,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 306 transitions, 673 flow [2022-11-02 20:58:03,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 306 transitions, 672 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:03,006 INFO L231 Difference]: Finished difference. Result has 308 places, 306 transitions, 628 flow [2022-11-02 20:58:03,007 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=308, PETRI_TRANSITIONS=306} [2022-11-02 20:58:03,008 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -49 predicate places. [2022-11-02 20:58:03,009 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 306 transitions, 628 flow [2022-11-02 20:58:03,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:03,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:03,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:03,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:58:03,010 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:03,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:03,011 INFO L85 PathProgramCache]: Analyzing trace with hash 483636329, now seen corresponding path program 1 times [2022-11-02 20:58:03,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:03,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113583785] [2022-11-02 20:58:03,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:03,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:03,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:03,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113583785] [2022-11-02 20:58:03,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113583785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:03,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:03,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:03,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396406624] [2022-11-02 20:58:03,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:03,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:03,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:03,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:03,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:03,076 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-02 20:58:03,078 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 306 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:03,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:03,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-02 20:58:03,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:03,216 INFO L130 PetriNetUnfolder]: 45/577 cut-off events. [2022-11-02 20:58:03,216 INFO L131 PetriNetUnfolder]: For 21/27 co-relation queries the response was YES. [2022-11-02 20:58:03,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 577 events. 45/577 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2078 event pairs, 23 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 617. Up to 73 conditions per place. [2022-11-02 20:58:03,222 INFO L137 encePairwiseOnDemand]: 381/385 looper letters, 17 selfloop transitions, 1 changer transitions 0/303 dead transitions. [2022-11-02 20:58:03,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 303 transitions, 658 flow [2022-11-02 20:58:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2022-11-02 20:58:03,226 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8510822510822511 [2022-11-02 20:58:03,226 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2022-11-02 20:58:03,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2022-11-02 20:58:03,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:03,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2022-11-02 20:58:03,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:03,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:03,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:03,233 INFO L175 Difference]: Start difference. First operand has 308 places, 306 transitions, 628 flow. Second operand 3 states and 983 transitions. [2022-11-02 20:58:03,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 303 transitions, 658 flow [2022-11-02 20:58:03,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 303 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:03,241 INFO L231 Difference]: Finished difference. Result has 305 places, 303 transitions, 620 flow [2022-11-02 20:58:03,241 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=305, PETRI_TRANSITIONS=303} [2022-11-02 20:58:03,242 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -52 predicate places. [2022-11-02 20:58:03,242 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 303 transitions, 620 flow [2022-11-02 20:58:03,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:03,243 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:03,243 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:03,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:58:03,244 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:03,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:03,245 INFO L85 PathProgramCache]: Analyzing trace with hash 44718730, now seen corresponding path program 1 times [2022-11-02 20:58:03,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:03,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881844254] [2022-11-02 20:58:03,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:03,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:03,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:03,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881844254] [2022-11-02 20:58:03,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881844254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:03,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:03,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:03,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707703144] [2022-11-02 20:58:03,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:03,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:03,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:03,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:03,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:03,793 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 385 [2022-11-02 20:58:03,796 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 303 transitions, 620 flow. Second operand has 6 states, 6 states have (on average 287.3333333333333) internal successors, (1724), 6 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:03,796 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:03,796 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 385 [2022-11-02 20:58:03,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:04,650 INFO L130 PetriNetUnfolder]: 912/2296 cut-off events. [2022-11-02 20:58:04,650 INFO L131 PetriNetUnfolder]: For 238/238 co-relation queries the response was YES. [2022-11-02 20:58:04,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3948 conditions, 2296 events. 912/2296 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 14258 event pairs, 729 based on Foata normal form. 0/1931 useless extension candidates. Maximal degree in co-relation 3882. Up to 1373 conditions per place. [2022-11-02 20:58:04,672 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 50 selfloop transitions, 4 changer transitions 0/302 dead transitions. [2022-11-02 20:58:04,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 302 transitions, 726 flow [2022-11-02 20:58:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:58:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:58:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1770 transitions. [2022-11-02 20:58:04,677 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7662337662337663 [2022-11-02 20:58:04,677 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1770 transitions. [2022-11-02 20:58:04,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1770 transitions. [2022-11-02 20:58:04,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:04,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1770 transitions. [2022-11-02 20:58:04,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,688 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,688 INFO L175 Difference]: Start difference. First operand has 305 places, 303 transitions, 620 flow. Second operand 6 states and 1770 transitions. [2022-11-02 20:58:04,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 302 transitions, 726 flow [2022-11-02 20:58:04,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 302 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:04,695 INFO L231 Difference]: Finished difference. Result has 308 places, 302 transitions, 625 flow [2022-11-02 20:58:04,695 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=625, PETRI_PLACES=308, PETRI_TRANSITIONS=302} [2022-11-02 20:58:04,696 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -49 predicate places. [2022-11-02 20:58:04,696 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 302 transitions, 625 flow [2022-11-02 20:58:04,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.3333333333333) internal successors, (1724), 6 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:04,698 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:04,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:58:04,698 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:04,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:04,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1686186466, now seen corresponding path program 1 times [2022-11-02 20:58:04,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:04,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734241174] [2022-11-02 20:58:04,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:04,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:04,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:04,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734241174] [2022-11-02 20:58:04,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734241174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:04,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:04,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:04,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413410377] [2022-11-02 20:58:04,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:04,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:04,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:04,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:04,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:04,777 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-02 20:58:04,778 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 302 transitions, 625 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,778 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:04,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-02 20:58:04,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:04,959 INFO L130 PetriNetUnfolder]: 39/430 cut-off events. [2022-11-02 20:58:04,960 INFO L131 PetriNetUnfolder]: For 18/20 co-relation queries the response was YES. [2022-11-02 20:58:04,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 430 events. 39/430 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1345 event pairs, 19 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 460. Up to 74 conditions per place. [2022-11-02 20:58:04,963 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2022-11-02 20:58:04,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 301 transitions, 671 flow [2022-11-02 20:58:04,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-02 20:58:04,968 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2022-11-02 20:58:04,968 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-02 20:58:04,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-02 20:58:04,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:04,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-02 20:58:04,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,975 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,975 INFO L175 Difference]: Start difference. First operand has 308 places, 302 transitions, 625 flow. Second operand 3 states and 978 transitions. [2022-11-02 20:58:04,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 301 transitions, 671 flow [2022-11-02 20:58:04,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 301 transitions, 664 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:58:04,982 INFO L231 Difference]: Finished difference. Result has 305 places, 301 transitions, 620 flow [2022-11-02 20:58:04,982 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=305, PETRI_TRANSITIONS=301} [2022-11-02 20:58:04,983 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -52 predicate places. [2022-11-02 20:58:04,984 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 301 transitions, 620 flow [2022-11-02 20:58:04,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:04,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:04,985 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:04,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:58:04,985 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:04,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2012183347, now seen corresponding path program 1 times [2022-11-02 20:58:04,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:04,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713347484] [2022-11-02 20:58:04,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:04,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:05,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:05,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713347484] [2022-11-02 20:58:05,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713347484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:05,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:05,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:05,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779702913] [2022-11-02 20:58:05,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:05,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:05,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:05,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:05,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:05,057 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-02 20:58:05,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 301 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:05,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-02 20:58:05,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:05,191 INFO L130 PetriNetUnfolder]: 42/486 cut-off events. [2022-11-02 20:58:05,192 INFO L131 PetriNetUnfolder]: For 19/21 co-relation queries the response was YES. [2022-11-02 20:58:05,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 486 events. 42/486 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1584 event pairs, 9 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 515. Up to 38 conditions per place. [2022-11-02 20:58:05,196 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 22 selfloop transitions, 3 changer transitions 0/305 dead transitions. [2022-11-02 20:58:05,197 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 305 transitions, 680 flow [2022-11-02 20:58:05,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2022-11-02 20:58:05,200 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2022-11-02 20:58:05,200 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2022-11-02 20:58:05,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2022-11-02 20:58:05,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:05,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2022-11-02 20:58:05,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,206 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,206 INFO L175 Difference]: Start difference. First operand has 305 places, 301 transitions, 620 flow. Second operand 3 states and 990 transitions. [2022-11-02 20:58:05,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 305 transitions, 680 flow [2022-11-02 20:58:05,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 305 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:05,213 INFO L231 Difference]: Finished difference. Result has 305 places, 301 transitions, 632 flow [2022-11-02 20:58:05,214 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=305, PETRI_TRANSITIONS=301} [2022-11-02 20:58:05,214 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -52 predicate places. [2022-11-02 20:58:05,215 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 301 transitions, 632 flow [2022-11-02 20:58:05,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:05,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:05,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:58:05,216 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:05,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:05,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1296182892, now seen corresponding path program 1 times [2022-11-02 20:58:05,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:05,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55094447] [2022-11-02 20:58:05,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:05,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:05,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:05,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55094447] [2022-11-02 20:58:05,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55094447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:05,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:05,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:05,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972167940] [2022-11-02 20:58:05,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:05,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:05,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:05,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:05,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:05,292 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-02 20:58:05,293 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 301 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:05,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-02 20:58:05,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:05,438 INFO L130 PetriNetUnfolder]: 62/630 cut-off events. [2022-11-02 20:58:05,439 INFO L131 PetriNetUnfolder]: For 32/34 co-relation queries the response was YES. [2022-11-02 20:58:05,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 630 events. 62/630 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2457 event pairs, 39 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 725. Up to 104 conditions per place. [2022-11-02 20:58:05,450 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 19 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-02 20:58:05,451 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 300 transitions, 672 flow [2022-11-02 20:58:05,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2022-11-02 20:58:05,454 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8519480519480519 [2022-11-02 20:58:05,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 984 transitions. [2022-11-02 20:58:05,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 984 transitions. [2022-11-02 20:58:05,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:05,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 984 transitions. [2022-11-02 20:58:05,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,460 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,461 INFO L175 Difference]: Start difference. First operand has 305 places, 301 transitions, 632 flow. Second operand 3 states and 984 transitions. [2022-11-02 20:58:05,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 300 transitions, 672 flow [2022-11-02 20:58:05,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 300 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:05,468 INFO L231 Difference]: Finished difference. Result has 304 places, 300 transitions, 628 flow [2022-11-02 20:58:05,469 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=304, PETRI_TRANSITIONS=300} [2022-11-02 20:58:05,469 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -53 predicate places. [2022-11-02 20:58:05,470 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 300 transitions, 628 flow [2022-11-02 20:58:05,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:05,473 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:05,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:58:05,473 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:05,474 INFO L85 PathProgramCache]: Analyzing trace with hash 783924828, now seen corresponding path program 1 times [2022-11-02 20:58:05,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:05,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016762701] [2022-11-02 20:58:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:05,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:05,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:05,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016762701] [2022-11-02 20:58:05,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016762701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:05,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:05,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:05,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532461600] [2022-11-02 20:58:05,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:05,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:05,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:05,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:05,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:05,549 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-02 20:58:05,550 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 300 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 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) [2022-11-02 20:58:05,551 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:05,551 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-02 20:58:05,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:05,756 INFO L130 PetriNetUnfolder]: 71/795 cut-off events. [2022-11-02 20:58:05,756 INFO L131 PetriNetUnfolder]: For 27/36 co-relation queries the response was YES. [2022-11-02 20:58:05,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 964 conditions, 795 events. 71/795 cut-off events. For 27/36 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3672 event pairs, 28 based on Foata normal form. 1/691 useless extension candidates. Maximal degree in co-relation 898. Up to 97 conditions per place. [2022-11-02 20:58:05,764 INFO L137 encePairwiseOnDemand]: 378/385 looper letters, 18 selfloop transitions, 4 changer transitions 0/303 dead transitions. [2022-11-02 20:58:05,764 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 303 transitions, 683 flow [2022-11-02 20:58:05,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2022-11-02 20:58:05,767 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2022-11-02 20:58:05,768 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2022-11-02 20:58:05,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2022-11-02 20:58:05,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:05,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2022-11-02 20:58:05,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,775 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,776 INFO L175 Difference]: Start difference. First operand has 304 places, 300 transitions, 628 flow. Second operand 3 states and 995 transitions. [2022-11-02 20:58:05,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 303 transitions, 683 flow [2022-11-02 20:58:05,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 303 transitions, 679 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:05,783 INFO L231 Difference]: Finished difference. Result has 302 places, 300 transitions, 642 flow [2022-11-02 20:58:05,784 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=302, PETRI_TRANSITIONS=300} [2022-11-02 20:58:05,784 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -55 predicate places. [2022-11-02 20:58:05,785 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 300 transitions, 642 flow [2022-11-02 20:58:05,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 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) [2022-11-02 20:58:05,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:05,786 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:05,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:58:05,786 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:05,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:05,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1927789176, now seen corresponding path program 1 times [2022-11-02 20:58:05,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:05,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690777098] [2022-11-02 20:58:05,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:05,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:05,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:05,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690777098] [2022-11-02 20:58:05,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690777098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:05,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:05,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:05,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498623751] [2022-11-02 20:58:05,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:05,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:05,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:05,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:05,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:05,880 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-02 20:58:05,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 300 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:05,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:05,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-02 20:58:05,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:06,036 INFO L130 PetriNetUnfolder]: 69/596 cut-off events. [2022-11-02 20:58:06,036 INFO L131 PetriNetUnfolder]: For 79/96 co-relation queries the response was YES. [2022-11-02 20:58:06,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 807 conditions, 596 events. 69/596 cut-off events. For 79/96 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2578 event pairs, 29 based on Foata normal form. 3/524 useless extension candidates. Maximal degree in co-relation 739. Up to 92 conditions per place. [2022-11-02 20:58:06,042 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 19 selfloop transitions, 2 changer transitions 3/301 dead transitions. [2022-11-02 20:58:06,043 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 301 transitions, 694 flow [2022-11-02 20:58:06,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2022-11-02 20:58:06,046 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8528138528138528 [2022-11-02 20:58:06,046 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 985 transitions. [2022-11-02 20:58:06,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 985 transitions. [2022-11-02 20:58:06,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:06,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 985 transitions. [2022-11-02 20:58:06,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:06,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:06,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:06,053 INFO L175 Difference]: Start difference. First operand has 302 places, 300 transitions, 642 flow. Second operand 3 states and 985 transitions. [2022-11-02 20:58:06,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 301 transitions, 694 flow [2022-11-02 20:58:06,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 301 transitions, 689 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:06,063 INFO L231 Difference]: Finished difference. Result has 301 places, 295 transitions, 631 flow [2022-11-02 20:58:06,064 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=301, PETRI_TRANSITIONS=295} [2022-11-02 20:58:06,064 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -56 predicate places. [2022-11-02 20:58:06,065 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 295 transitions, 631 flow [2022-11-02 20:58:06,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:06,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:06,066 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:06,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 20:58:06,066 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:06,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1495205055, now seen corresponding path program 1 times [2022-11-02 20:58:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:06,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662902832] [2022-11-02 20:58:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:06,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:06,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662902832] [2022-11-02 20:58:06,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662902832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:06,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:06,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:06,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261062074] [2022-11-02 20:58:06,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:06,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:06,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:06,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:06,739 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 385 [2022-11-02 20:58:06,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 295 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 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) [2022-11-02 20:58:06,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:06,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 385 [2022-11-02 20:58:06,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:07,989 INFO L130 PetriNetUnfolder]: 939/2252 cut-off events. [2022-11-02 20:58:07,989 INFO L131 PetriNetUnfolder]: For 502/563 co-relation queries the response was YES. [2022-11-02 20:58:08,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4354 conditions, 2252 events. 939/2252 cut-off events. For 502/563 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 14805 event pairs, 198 based on Foata normal form. 0/2010 useless extension candidates. Maximal degree in co-relation 4285. Up to 485 conditions per place. [2022-11-02 20:58:08,014 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 129 selfloop transitions, 4 changer transitions 0/374 dead transitions. [2022-11-02 20:58:08,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 374 transitions, 1111 flow [2022-11-02 20:58:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:58:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:58:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2022-11-02 20:58:08,019 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7917748917748918 [2022-11-02 20:58:08,019 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1829 transitions. [2022-11-02 20:58:08,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1829 transitions. [2022-11-02 20:58:08,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:08,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1829 transitions. [2022-11-02 20:58:08,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 304.8333333333333) internal successors, (1829), 6 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,030 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,030 INFO L175 Difference]: Start difference. First operand has 301 places, 295 transitions, 631 flow. Second operand 6 states and 1829 transitions. [2022-11-02 20:58:08,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 374 transitions, 1111 flow [2022-11-02 20:58:08,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 374 transitions, 1107 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:08,038 INFO L231 Difference]: Finished difference. Result has 300 places, 294 transitions, 633 flow [2022-11-02 20:58:08,039 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=633, PETRI_PLACES=300, PETRI_TRANSITIONS=294} [2022-11-02 20:58:08,040 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -57 predicate places. [2022-11-02 20:58:08,040 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 294 transitions, 633 flow [2022-11-02 20:58:08,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 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) [2022-11-02 20:58:08,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:08,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:08,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 20:58:08,041 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:08,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:08,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1400790895, now seen corresponding path program 1 times [2022-11-02 20:58:08,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:08,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547653648] [2022-11-02 20:58:08,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:08,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:08,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:08,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547653648] [2022-11-02 20:58:08,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547653648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:08,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:08,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:58:08,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520939984] [2022-11-02 20:58:08,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:08,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:58:08,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:08,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:58:08,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:58:08,251 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 385 [2022-11-02 20:58:08,253 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 294 transitions, 633 flow. Second operand has 7 states, 7 states have (on average 281.0) internal successors, (1967), 7 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,254 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:08,254 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 385 [2022-11-02 20:58:08,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:08,858 INFO L130 PetriNetUnfolder]: 246/1607 cut-off events. [2022-11-02 20:58:08,859 INFO L131 PetriNetUnfolder]: For 199/249 co-relation queries the response was YES. [2022-11-02 20:58:08,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2412 conditions, 1607 events. 246/1607 cut-off events. For 199/249 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10205 event pairs, 89 based on Foata normal form. 2/1416 useless extension candidates. Maximal degree in co-relation 2342. Up to 219 conditions per place. [2022-11-02 20:58:08,875 INFO L137 encePairwiseOnDemand]: 374/385 looper letters, 105 selfloop transitions, 10 changer transitions 0/344 dead transitions. [2022-11-02 20:58:08,875 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 344 transitions, 999 flow [2022-11-02 20:58:08,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:58:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-02 20:58:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2601 transitions. [2022-11-02 20:58:08,881 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7506493506493507 [2022-11-02 20:58:08,881 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2601 transitions. [2022-11-02 20:58:08,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2601 transitions. [2022-11-02 20:58:08,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:08,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2601 transitions. [2022-11-02 20:58:08,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 289.0) internal successors, (2601), 9 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 385.0) internal successors, (3850), 10 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,895 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 385.0) internal successors, (3850), 10 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,896 INFO L175 Difference]: Start difference. First operand has 300 places, 294 transitions, 633 flow. Second operand 9 states and 2601 transitions. [2022-11-02 20:58:08,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 344 transitions, 999 flow [2022-11-02 20:58:08,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 344 transitions, 992 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:58:08,903 INFO L231 Difference]: Finished difference. Result has 307 places, 298 transitions, 675 flow [2022-11-02 20:58:08,904 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=675, PETRI_PLACES=307, PETRI_TRANSITIONS=298} [2022-11-02 20:58:08,904 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -50 predicate places. [2022-11-02 20:58:08,905 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 298 transitions, 675 flow [2022-11-02 20:58:08,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 281.0) internal successors, (1967), 7 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:08,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:08,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-02 20:58:08,907 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:08,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:08,907 INFO L85 PathProgramCache]: Analyzing trace with hash -333546513, now seen corresponding path program 1 times [2022-11-02 20:58:08,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:08,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577044905] [2022-11-02 20:58:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:08,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:08,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:08,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577044905] [2022-11-02 20:58:08,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577044905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:08,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:08,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:08,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780943662] [2022-11-02 20:58:08,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:08,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:08,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:08,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:08,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:08,981 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-02 20:58:08,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 298 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:08,983 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:08,983 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-02 20:58:08,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,244 INFO L130 PetriNetUnfolder]: 122/1239 cut-off events. [2022-11-02 20:58:09,245 INFO L131 PetriNetUnfolder]: For 148/178 co-relation queries the response was YES. [2022-11-02 20:58:09,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1673 conditions, 1239 events. 122/1239 cut-off events. For 148/178 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7577 event pairs, 21 based on Foata normal form. 6/1117 useless extension candidates. Maximal degree in co-relation 1600. Up to 145 conditions per place. [2022-11-02 20:58:09,256 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 18 selfloop transitions, 3 changer transitions 0/301 dead transitions. [2022-11-02 20:58:09,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 301 transitions, 733 flow [2022-11-02 20:58:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2022-11-02 20:58:09,267 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8658008658008658 [2022-11-02 20:58:09,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2022-11-02 20:58:09,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2022-11-02 20:58:09,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2022-11-02 20:58:09,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,282 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,282 INFO L175 Difference]: Start difference. First operand has 307 places, 298 transitions, 675 flow. Second operand 3 states and 1000 transitions. [2022-11-02 20:58:09,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 301 transitions, 733 flow [2022-11-02 20:58:09,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 301 transitions, 722 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:58:09,293 INFO L231 Difference]: Finished difference. Result has 304 places, 297 transitions, 674 flow [2022-11-02 20:58:09,293 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=304, PETRI_TRANSITIONS=297} [2022-11-02 20:58:09,294 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -53 predicate places. [2022-11-02 20:58:09,294 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 297 transitions, 674 flow [2022-11-02 20:58:09,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:09,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-02 20:58:09,296 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:09,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,296 INFO L85 PathProgramCache]: Analyzing trace with hash -332592207, now seen corresponding path program 1 times [2022-11-02 20:58:09,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915524229] [2022-11-02 20:58:09,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915524229] [2022-11-02 20:58:09,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915524229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009316790] [2022-11-02 20:58:09,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,369 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 385 [2022-11-02 20:58:09,370 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 297 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,371 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,371 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 385 [2022-11-02 20:58:09,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:09,683 INFO L130 PetriNetUnfolder]: 195/1280 cut-off events. [2022-11-02 20:58:09,683 INFO L131 PetriNetUnfolder]: For 304/360 co-relation queries the response was YES. [2022-11-02 20:58:09,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2015 conditions, 1280 events. 195/1280 cut-off events. For 304/360 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 8179 event pairs, 92 based on Foata normal form. 13/1182 useless extension candidates. Maximal degree in co-relation 1943. Up to 286 conditions per place. [2022-11-02 20:58:09,697 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-02 20:58:09,697 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 300 transitions, 737 flow [2022-11-02 20:58:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2022-11-02 20:58:09,700 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8458874458874459 [2022-11-02 20:58:09,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 977 transitions. [2022-11-02 20:58:09,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 977 transitions. [2022-11-02 20:58:09,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:09,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 977 transitions. [2022-11-02 20:58:09,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,707 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,708 INFO L175 Difference]: Start difference. First operand has 304 places, 297 transitions, 674 flow. Second operand 3 states and 977 transitions. [2022-11-02 20:58:09,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 300 transitions, 737 flow [2022-11-02 20:58:09,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 300 transitions, 730 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:09,716 INFO L231 Difference]: Finished difference. Result has 303 places, 296 transitions, 669 flow [2022-11-02 20:58:09,717 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=303, PETRI_TRANSITIONS=296} [2022-11-02 20:58:09,717 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -54 predicate places. [2022-11-02 20:58:09,718 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 296 transitions, 669 flow [2022-11-02 20:58:09,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,718 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:09,719 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:09,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-02 20:58:09,719 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:09,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1587819767, now seen corresponding path program 1 times [2022-11-02 20:58:09,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:09,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761275284] [2022-11-02 20:58:09,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:09,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:09,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:09,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761275284] [2022-11-02 20:58:09,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761275284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:09,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:09,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:09,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574001163] [2022-11-02 20:58:09,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:09,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:09,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:09,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:09,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:09,794 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 385 [2022-11-02 20:58:09,795 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 296 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:09,795 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:09,796 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 385 [2022-11-02 20:58:09,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:10,083 INFO L130 PetriNetUnfolder]: 131/1198 cut-off events. [2022-11-02 20:58:10,083 INFO L131 PetriNetUnfolder]: For 172/207 co-relation queries the response was YES. [2022-11-02 20:58:10,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 1198 events. 131/1198 cut-off events. For 172/207 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 7153 event pairs, 59 based on Foata normal form. 7/1120 useless extension candidates. Maximal degree in co-relation 1696. Up to 209 conditions per place. [2022-11-02 20:58:10,095 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 25 selfloop transitions, 3 changer transitions 0/299 dead transitions. [2022-11-02 20:58:10,096 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 299 transitions, 740 flow [2022-11-02 20:58:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2022-11-02 20:58:10,099 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8476190476190476 [2022-11-02 20:58:10,099 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2022-11-02 20:58:10,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2022-11-02 20:58:10,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:10,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2022-11-02 20:58:10,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,105 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,106 INFO L175 Difference]: Start difference. First operand has 303 places, 296 transitions, 669 flow. Second operand 3 states and 979 transitions. [2022-11-02 20:58:10,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 299 transitions, 740 flow [2022-11-02 20:58:10,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 299 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:10,113 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 669 flow [2022-11-02 20:58:10,114 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2022-11-02 20:58:10,114 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -55 predicate places. [2022-11-02 20:58:10,114 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 669 flow [2022-11-02 20:58:10,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:10,115 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:10,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-02 20:58:10,116 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:10,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:10,116 INFO L85 PathProgramCache]: Analyzing trace with hash -280476769, now seen corresponding path program 1 times [2022-11-02 20:58:10,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:10,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130319616] [2022-11-02 20:58:10,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:10,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:10,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:10,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130319616] [2022-11-02 20:58:10,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130319616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:10,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:10,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:10,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943760512] [2022-11-02 20:58:10,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:10,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:10,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:10,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:10,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:10,669 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 385 [2022-11-02 20:58:10,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 288.6666666666667) internal successors, (1732), 6 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:10,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:10,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 385 [2022-11-02 20:58:10,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:12,388 INFO L130 PetriNetUnfolder]: 1733/5527 cut-off events. [2022-11-02 20:58:12,388 INFO L131 PetriNetUnfolder]: For 1078/1522 co-relation queries the response was YES. [2022-11-02 20:58:12,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9544 conditions, 5527 events. 1733/5527 cut-off events. For 1078/1522 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 46476 event pairs, 1501 based on Foata normal form. 0/5050 useless extension candidates. Maximal degree in co-relation 9472. Up to 2597 conditions per place. [2022-11-02 20:58:12,442 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 65 selfloop transitions, 4 changer transitions 1/310 dead transitions. [2022-11-02 20:58:12,442 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 310 transitions, 865 flow [2022-11-02 20:58:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:58:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:58:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1772 transitions. [2022-11-02 20:58:12,450 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7670995670995671 [2022-11-02 20:58:12,450 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1772 transitions. [2022-11-02 20:58:12,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1772 transitions. [2022-11-02 20:58:12,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:12,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1772 transitions. [2022-11-02 20:58:12,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 295.3333333333333) internal successors, (1772), 6 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:12,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:12,461 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:12,461 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 669 flow. Second operand 6 states and 1772 transitions. [2022-11-02 20:58:12,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 310 transitions, 865 flow [2022-11-02 20:58:12,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 310 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:58:12,468 INFO L231 Difference]: Finished difference. Result has 304 places, 293 transitions, 663 flow [2022-11-02 20:58:12,469 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=304, PETRI_TRANSITIONS=293} [2022-11-02 20:58:12,470 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -53 predicate places. [2022-11-02 20:58:12,470 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 293 transitions, 663 flow [2022-11-02 20:58:12,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 288.6666666666667) internal successors, (1732), 6 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:12,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:12,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:12,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-02 20:58:12,471 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:12,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:12,472 INFO L85 PathProgramCache]: Analyzing trace with hash 228910707, now seen corresponding path program 1 times [2022-11-02 20:58:12,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:12,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014169668] [2022-11-02 20:58:12,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:12,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:58:13,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:13,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014169668] [2022-11-02 20:58:13,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014169668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:13,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:13,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:13,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735859732] [2022-11-02 20:58:13,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:13,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:13,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:13,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:13,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:13,220 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 385 [2022-11-02 20:58:13,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 293 transitions, 663 flow. Second operand has 6 states, 6 states have (on average 286.6666666666667) internal successors, (1720), 6 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:13,222 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:13,223 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 385 [2022-11-02 20:58:13,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:14,878 INFO L130 PetriNetUnfolder]: 1840/5139 cut-off events. [2022-11-02 20:58:14,879 INFO L131 PetriNetUnfolder]: For 1220/1434 co-relation queries the response was YES. [2022-11-02 20:58:14,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9368 conditions, 5139 events. 1840/5139 cut-off events. For 1220/1434 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 41994 event pairs, 487 based on Foata normal form. 8/4763 useless extension candidates. Maximal degree in co-relation 9296. Up to 1458 conditions per place. [2022-11-02 20:58:15,000 INFO L137 encePairwiseOnDemand]: 378/385 looper letters, 90 selfloop transitions, 6 changer transitions 0/331 dead transitions. [2022-11-02 20:58:15,001 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 331 transitions, 967 flow [2022-11-02 20:58:15,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:58:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:58:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1787 transitions. [2022-11-02 20:58:15,006 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7735930735930736 [2022-11-02 20:58:15,006 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1787 transitions. [2022-11-02 20:58:15,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1787 transitions. [2022-11-02 20:58:15,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:15,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1787 transitions. [2022-11-02 20:58:15,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 297.8333333333333) internal successors, (1787), 6 states have internal predecessors, (1787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,016 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,016 INFO L175 Difference]: Start difference. First operand has 304 places, 293 transitions, 663 flow. Second operand 6 states and 1787 transitions. [2022-11-02 20:58:15,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 331 transitions, 967 flow [2022-11-02 20:58:15,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 331 transitions, 958 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-11-02 20:58:15,024 INFO L231 Difference]: Finished difference. Result has 301 places, 291 transitions, 662 flow [2022-11-02 20:58:15,025 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=662, PETRI_PLACES=301, PETRI_TRANSITIONS=291} [2022-11-02 20:58:15,025 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -56 predicate places. [2022-11-02 20:58:15,025 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 291 transitions, 662 flow [2022-11-02 20:58:15,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 286.6666666666667) internal successors, (1720), 6 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:15,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:15,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-02 20:58:15,028 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:15,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:15,028 INFO L85 PathProgramCache]: Analyzing trace with hash 939898901, now seen corresponding path program 1 times [2022-11-02 20:58:15,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:15,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854725287] [2022-11-02 20:58:15,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:15,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:58:15,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:15,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854725287] [2022-11-02 20:58:15,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854725287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:15,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:15,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:15,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417297792] [2022-11-02 20:58:15,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:15,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:15,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:15,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:15,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:15,140 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-02 20:58:15,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 291 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,141 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:15,141 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-02 20:58:15,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:15,512 INFO L130 PetriNetUnfolder]: 131/1363 cut-off events. [2022-11-02 20:58:15,512 INFO L131 PetriNetUnfolder]: For 240/249 co-relation queries the response was YES. [2022-11-02 20:58:15,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1913 conditions, 1363 events. 131/1363 cut-off events. For 240/249 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8134 event pairs, 43 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 1844. Up to 119 conditions per place. [2022-11-02 20:58:15,521 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 28 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2022-11-02 20:58:15,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 301 transitions, 767 flow [2022-11-02 20:58:15,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2022-11-02 20:58:15,524 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2022-11-02 20:58:15,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2022-11-02 20:58:15,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2022-11-02 20:58:15,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:15,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2022-11-02 20:58:15,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,532 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,533 INFO L175 Difference]: Start difference. First operand has 301 places, 291 transitions, 662 flow. Second operand 3 states and 995 transitions. [2022-11-02 20:58:15,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 301 transitions, 767 flow [2022-11-02 20:58:15,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 301 transitions, 751 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:58:15,539 INFO L231 Difference]: Finished difference. Result has 298 places, 291 transitions, 658 flow [2022-11-02 20:58:15,540 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=298, PETRI_TRANSITIONS=291} [2022-11-02 20:58:15,540 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -59 predicate places. [2022-11-02 20:58:15,540 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 291 transitions, 658 flow [2022-11-02 20:58:15,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:58:15,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:15,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-02 20:58:15,542 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-02 20:58:15,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:15,542 INFO L85 PathProgramCache]: Analyzing trace with hash -2002442183, now seen corresponding path program 1 times [2022-11-02 20:58:15,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:15,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608139275] [2022-11-02 20:58:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:15,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:58:15,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:15,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608139275] [2022-11-02 20:58:15,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608139275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:15,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:15,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:58:15,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007882721] [2022-11-02 20:58:15,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:15,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:58:15,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:15,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:58:15,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:58:15,630 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 385 [2022-11-02 20:58:15,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 291 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 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) [2022-11-02 20:58:15,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:58:15,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 385 [2022-11-02 20:58:15,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:58:15,922 INFO L130 PetriNetUnfolder]: 138/1298 cut-off events. [2022-11-02 20:58:15,922 INFO L131 PetriNetUnfolder]: For 183/194 co-relation queries the response was YES. [2022-11-02 20:58:15,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1298 events. 138/1298 cut-off events. For 183/194 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7772 event pairs, 72 based on Foata normal form. 0/1252 useless extension candidates. Maximal degree in co-relation 1766. Up to 200 conditions per place. [2022-11-02 20:58:15,937 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 0 selfloop transitions, 0 changer transitions 295/295 dead transitions. [2022-11-02 20:58:15,937 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 726 flow [2022-11-02 20:58:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:58:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:58:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 987 transitions. [2022-11-02 20:58:15,943 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8545454545454545 [2022-11-02 20:58:15,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 987 transitions. [2022-11-02 20:58:15,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 987 transitions. [2022-11-02 20:58:15,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:15,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 987 transitions. [2022-11-02 20:58:15,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,979 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:15,979 INFO L175 Difference]: Start difference. First operand has 298 places, 291 transitions, 658 flow. Second operand 3 states and 987 transitions. [2022-11-02 20:58:15,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 726 flow [2022-11-02 20:58:15,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 295 transitions, 724 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:58:15,984 INFO L231 Difference]: Finished difference. Result has 298 places, 0 transitions, 0 flow [2022-11-02 20:58:15,984 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=298, PETRI_TRANSITIONS=0} [2022-11-02 20:58:15,985 INFO L287 CegarLoopForPetriNet]: 357 programPoint places, -59 predicate places. [2022-11-02 20:58:15,985 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 0 transitions, 0 flow [2022-11-02 20:58:15,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 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) [2022-11-02 20:58:15,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2022-11-02 20:58:15,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2022-11-02 20:58:15,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2022-11-02 20:58:15,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2022-11-02 20:58:15,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2022-11-02 20:58:15,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2022-11-02 20:58:15,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2022-11-02 20:58:15,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2022-11-02 20:58:15,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2022-11-02 20:58:15,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2022-11-02 20:58:15,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2022-11-02 20:58:15,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2022-11-02 20:58:15,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2022-11-02 20:58:15,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2022-11-02 20:58:15,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2022-11-02 20:58:15,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2022-11-02 20:58:15,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2022-11-02 20:58:15,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2022-11-02 20:58:15,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2022-11-02 20:58:15,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2022-11-02 20:58:15,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2022-11-02 20:58:15,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2022-11-02 20:58:15,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2022-11-02 20:58:15,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2022-11-02 20:58:15,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2022-11-02 20:58:15,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2022-11-02 20:58:15,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2022-11-02 20:58:16,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2022-11-02 20:58:16,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2022-11-02 20:58:16,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2022-11-02 20:58:16,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2022-11-02 20:58:16,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2022-11-02 20:58:16,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2022-11-02 20:58:16,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2022-11-02 20:58:16,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2022-11-02 20:58:16,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2022-11-02 20:58:16,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2022-11-02 20:58:16,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2022-11-02 20:58:16,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2022-11-02 20:58:16,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2022-11-02 20:58:16,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2022-11-02 20:58:16,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2022-11-02 20:58:16,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2022-11-02 20:58:16,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2022-11-02 20:58:16,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2022-11-02 20:58:16,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2022-11-02 20:58:16,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2022-11-02 20:58:16,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2022-11-02 20:58:16,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2022-11-02 20:58:16,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2022-11-02 20:58:16,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2022-11-02 20:58:16,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2022-11-02 20:58:16,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2022-11-02 20:58:16,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2022-11-02 20:58:16,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2022-11-02 20:58:16,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2022-11-02 20:58:16,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2022-11-02 20:58:16,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2022-11-02 20:58:16,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2022-11-02 20:58:16,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2022-11-02 20:58:16,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2022-11-02 20:58:16,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2022-11-02 20:58:16,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2022-11-02 20:58:16,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2022-11-02 20:58:16,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2022-11-02 20:58:16,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2022-11-02 20:58:16,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2022-11-02 20:58:16,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2022-11-02 20:58:16,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2022-11-02 20:58:16,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2022-11-02 20:58:16,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2022-11-02 20:58:16,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2022-11-02 20:58:16,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2022-11-02 20:58:16,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2022-11-02 20:58:16,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2022-11-02 20:58:16,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2022-11-02 20:58:16,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2022-11-02 20:58:16,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2022-11-02 20:58:16,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2022-11-02 20:58:16,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2022-11-02 20:58:16,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2022-11-02 20:58:16,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2022-11-02 20:58:16,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2022-11-02 20:58:16,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2022-11-02 20:58:16,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2022-11-02 20:58:16,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2022-11-02 20:58:16,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2022-11-02 20:58:16,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2022-11-02 20:58:16,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2022-11-02 20:58:16,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2022-11-02 20:58:16,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2022-11-02 20:58:16,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2022-11-02 20:58:16,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2022-11-02 20:58:16,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2022-11-02 20:58:16,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2022-11-02 20:58:16,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2022-11-02 20:58:16,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2022-11-02 20:58:16,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2022-11-02 20:58:16,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2022-11-02 20:58:16,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2022-11-02 20:58:16,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2022-11-02 20:58:16,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2022-11-02 20:58:16,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2022-11-02 20:58:16,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2022-11-02 20:58:16,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2022-11-02 20:58:16,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2022-11-02 20:58:16,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2022-11-02 20:58:16,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2022-11-02 20:58:16,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2022-11-02 20:58:16,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2022-11-02 20:58:16,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2022-11-02 20:58:16,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2022-11-02 20:58:16,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2022-11-02 20:58:16,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2022-11-02 20:58:16,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2022-11-02 20:58:16,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2022-11-02 20:58:16,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2022-11-02 20:58:16,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2022-11-02 20:58:16,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2022-11-02 20:58:16,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-02 20:58:16,019 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-02 20:58:16,027 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:58:16,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:58:16,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:58:16 BasicIcfg [2022-11-02 20:58:16,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:58:16,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:58:16,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:58:16,036 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:58:16,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:58" (3/4) ... [2022-11-02 20:58:16,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:58:16,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:58:16,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:58:16,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-02 20:58:16,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:58:16,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:58:16,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:58:16,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:58:16,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:58:16,127 INFO L158 Benchmark]: Toolchain (without parser) took 19894.24ms. Allocated memory was 102.8MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 69.7MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 225.6MB. Max. memory is 16.1GB. [2022-11-02 20:58:16,127 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:16,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.55ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 69.4MB in the beginning and 112.1MB in the end (delta: -42.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:58:16,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.22ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 108.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:16,129 INFO L158 Benchmark]: Boogie Preprocessor took 51.09ms. Allocated memory is still 140.5MB. Free memory was 108.5MB in the beginning and 105.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:58:16,129 INFO L158 Benchmark]: RCFGBuilder took 1568.29ms. Allocated memory is still 140.5MB. Free memory was 105.8MB in the beginning and 109.4MB in the end (delta: -3.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-11-02 20:58:16,130 INFO L158 Benchmark]: TraceAbstraction took 17749.61ms. Allocated memory was 140.5MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 108.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 363.7MB. Max. memory is 16.1GB. [2022-11-02 20:58:16,130 INFO L158 Benchmark]: Witness Printer took 90.69ms. Allocated memory is still 3.0GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:58:16,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.55ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 69.4MB in the beginning and 112.1MB in the end (delta: -42.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.22ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 108.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.09ms. Allocated memory is still 140.5MB. Free memory was 108.5MB in the beginning and 105.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1568.29ms. Allocated memory is still 140.5MB. Free memory was 105.8MB in the beginning and 109.4MB in the end (delta: -3.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17749.61ms. Allocated memory was 140.5MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 108.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 363.7MB. Max. memory is 16.1GB. * Witness Printer took 90.69ms. Allocated memory is still 3.0GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 490 locations, 119 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 17.5s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 396 mSDsluCounter, 389 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 246 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1412 IncrementalHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 344 mSDtfsCounter, 1412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=742occurred in iteration=0, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 3402 NumberOfCodeBlocks, 3402 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3375 ConstructedInterpolants, 0 QuantifiedInterpolants, 4463 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:58:16,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301317db-f1d3-411c-97af-ae12b1e8c123/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE