./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8 --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- 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-2329fc7 [2022-12-13 13:56:03,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:56:03,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:56:03,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:56:03,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:56:03,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:56:03,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:56:03,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:56:03,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:56:03,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:56:03,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:56:03,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:56:03,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:56:03,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:56:03,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:56:03,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:56:03,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:56:03,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:56:03,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:56:03,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:56:03,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:56:03,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:56:03,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:56:03,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:56:03,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:56:03,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:56:03,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:56:03,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:56:03,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:56:03,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:56:03,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:56:03,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:56:03,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:56:03,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:56:03,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:56:03,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:56:03,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:56:03,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:56:03,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:56:03,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:56:03,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:56:03,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:56:03,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:56:03,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:56:03,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:56:03,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:56:03,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:56:03,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:56:03,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:56:03,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:56:03,784 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:56:03,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:56:03,784 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:56:03,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:56:03,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:56:03,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:56:03,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:56:03,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:56:03,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:56:03,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:56:03,786 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:56:03,786 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:56:03,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:56:03,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:56:03,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:56:03,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:56:03,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:56:03,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:56:03,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:56:03,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:56:03,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:56:03,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:56:03,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:56:03,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:56:03,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:56:03,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:56:03,788 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:56:03,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:56:03,788 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:56:03,789 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-12-13 13:56:03,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:56:03,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:56:03,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:56:03,980 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:56:03,981 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:56:03,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread/singleton.i [2022-12-13 13:56:06,631 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:56:06,885 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:56:06,886 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/sv-benchmarks/c/pthread/singleton.i [2022-12-13 13:56:06,899 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/data/b3d2e38b3/db312c2286f8459b9f5d5aeadebff91b/FLAG2d9b7143a [2022-12-13 13:56:06,913 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/data/b3d2e38b3/db312c2286f8459b9f5d5aeadebff91b [2022-12-13 13:56:06,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:56:06,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:56:06,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:56:06,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:56:06,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:56:06,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:56:06" (1/1) ... [2022-12-13 13:56:06,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618a3a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:06, skipping insertion in model container [2022-12-13 13:56:06,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:56:06" (1/1) ... [2022-12-13 13:56:06,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:56:06,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:56:07,123 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:56:07,329 WARN L237 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_68c54772-af18-44df-92f5-c18997ef417e/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-13 13:56:07,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:56:07,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:56:07,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:56:07,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:56:07,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:56:07,354 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:56:07,365 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:56:07,378 WARN L237 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_68c54772-af18-44df-92f5-c18997ef417e/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-12-13 13:56:07,379 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:56:07,379 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:56:07,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:56:07,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:56:07,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:56:07,426 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:56:07,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07 WrapperNode [2022-12-13 13:56:07,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:56:07,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:56:07,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:56:07,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:56:07,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,469 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-12-13 13:56:07,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:56:07,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:56:07,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:56:07,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:56:07,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:56:07,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:56:07,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:56:07,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:56:07,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (1/1) ... [2022-12-13 13:56:07,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:56:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:56:07,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:56:07,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:56:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 13:56:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:56:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:56:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 13:56:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:56:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-12-13 13:56:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-12-13 13:56:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 13:56:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 13:56:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 13:56:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 13:56:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 13:56:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 13:56:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:56:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:56:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:56:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:56:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:56:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:56:07,552 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:56:07,644 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:56:07,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:56:07,893 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:56:07,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:56:07,928 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:56:07,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:56:07 BoogieIcfgContainer [2022-12-13 13:56:07,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:56:07,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:56:07,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:56:07,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:56:07,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:56:06" (1/3) ... [2022-12-13 13:56:07,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df9c565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:56:07, skipping insertion in model container [2022-12-13 13:56:07,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:07" (2/3) ... [2022-12-13 13:56:07,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df9c565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:56:07, skipping insertion in model container [2022-12-13 13:56:07,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:56:07" (3/3) ... [2022-12-13 13:56:07,937 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2022-12-13 13:56:07,943 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:56:07,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:56:07,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-12-13 13:56:07,951 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:56:08,070 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2022-12-13 13:56:08,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 272 transitions, 651 flow [2022-12-13 13:56:08,167 INFO L130 PetriNetUnfolder]: 6/185 cut-off events. [2022-12-13 13:56:08,167 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 13:56:08,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 185 events. 6/185 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 111 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 162. Up to 3 conditions per place. [2022-12-13 13:56:08,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 272 transitions, 651 flow [2022-12-13 13:56:08,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 168 transitions, 387 flow [2022-12-13 13:56:08,181 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:56:08,189 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 168 transitions, 387 flow [2022-12-13 13:56:08,192 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 168 transitions, 387 flow [2022-12-13 13:56:08,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 168 transitions, 387 flow [2022-12-13 13:56:08,237 INFO L130 PetriNetUnfolder]: 5/168 cut-off events. [2022-12-13 13:56:08,237 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 13:56:08,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 168 events. 5/168 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 162. Up to 3 conditions per place. [2022-12-13 13:56:08,252 INFO L119 LiptonReduction]: Number of co-enabled transitions 4608 [2022-12-13 13:56:10,500 INFO L134 LiptonReduction]: Checked pairs total: 20895 [2022-12-13 13:56:10,500 INFO L136 LiptonReduction]: Total number of compositions: 94 [2022-12-13 13:56:10,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:56:10,517 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;@2a8e6b0b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:56:10,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-12-13 13:56:10,520 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-13 13:56:10,520 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:56:10,520 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:10,521 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:56:10,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:10,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:10,525 INFO L85 PathProgramCache]: Analyzing trace with hash 632520839, now seen corresponding path program 1 times [2022-12-13 13:56:10,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:10,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963365383] [2022-12-13 13:56:10,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:10,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:10,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:10,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963365383] [2022-12-13 13:56:10,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963365383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:10,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:10,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:56:10,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153414659] [2022-12-13 13:56:10,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:10,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:56:10,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:56:10,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:56:10,720 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 368 [2022-12-13 13:56:10,722 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 86 transitions, 223 flow. Second operand has 2 states, 2 states have (on average 231.5) internal successors, (463), 2 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:10,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:10,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 368 [2022-12-13 13:56:10,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:10,905 INFO L130 PetriNetUnfolder]: 317/939 cut-off events. [2022-12-13 13:56:10,905 INFO L131 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2022-12-13 13:56:10,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1565 conditions, 939 events. 317/939 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4661 event pairs, 285 based on Foata normal form. 1/842 useless extension candidates. Maximal degree in co-relation 1548. Up to 488 conditions per place. [2022-12-13 13:56:10,912 INFO L137 encePairwiseOnDemand]: 357/368 looper letters, 31 selfloop transitions, 0 changer transitions 1/75 dead transitions. [2022-12-13 13:56:10,912 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 75 transitions, 265 flow [2022-12-13 13:56:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:56:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 13:56:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 501 transitions. [2022-12-13 13:56:10,922 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6807065217391305 [2022-12-13 13:56:10,922 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 501 transitions. [2022-12-13 13:56:10,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 501 transitions. [2022-12-13 13:56:10,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:10,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 501 transitions. [2022-12-13 13:56:10,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 250.5) internal successors, (501), 2 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:10,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:10,936 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:10,938 INFO L175 Difference]: Start difference. First operand has 100 places, 86 transitions, 223 flow. Second operand 2 states and 501 transitions. [2022-12-13 13:56:10,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 75 transitions, 265 flow [2022-12-13 13:56:10,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 231 flow, removed 0 selfloop flow, removed 12 redundant places. [2022-12-13 13:56:10,946 INFO L231 Difference]: Finished difference. Result has 78 places, 74 transitions, 164 flow [2022-12-13 13:56:10,948 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=164, PETRI_PLACES=78, PETRI_TRANSITIONS=74} [2022-12-13 13:56:10,951 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, -22 predicate places. [2022-12-13 13:56:10,952 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 74 transitions, 164 flow [2022-12-13 13:56:10,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 231.5) internal successors, (463), 2 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:10,952 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:10,952 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:10,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:56:10,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:10,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:10,953 INFO L85 PathProgramCache]: Analyzing trace with hash 589122137, now seen corresponding path program 1 times [2022-12-13 13:56:10,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:10,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736669850] [2022-12-13 13:56:10,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:10,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:11,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736669850] [2022-12-13 13:56:11,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736669850] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:11,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:11,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:56:11,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843034658] [2022-12-13 13:56:11,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:11,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:56:11,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:11,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:56:11,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:56:11,615 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 368 [2022-12-13 13:56:11,618 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 164 flow. Second operand has 6 states, 6 states have (on average 221.33333333333334) internal successors, (1328), 6 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:11,618 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:11,618 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 368 [2022-12-13 13:56:11,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:12,348 INFO L130 PetriNetUnfolder]: 2227/4882 cut-off events. [2022-12-13 13:56:12,348 INFO L131 PetriNetUnfolder]: For 202/202 co-relation queries the response was YES. [2022-12-13 13:56:12,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8288 conditions, 4882 events. 2227/4882 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 33759 event pairs, 890 based on Foata normal form. 0/4359 useless extension candidates. Maximal degree in co-relation 8285. Up to 2312 conditions per place. [2022-12-13 13:56:12,377 INFO L137 encePairwiseOnDemand]: 358/368 looper letters, 120 selfloop transitions, 21 changer transitions 12/190 dead transitions. [2022-12-13 13:56:12,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 190 transitions, 762 flow [2022-12-13 13:56:12,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:56:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:56:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1474 transitions. [2022-12-13 13:56:12,383 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.667572463768116 [2022-12-13 13:56:12,383 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1474 transitions. [2022-12-13 13:56:12,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1474 transitions. [2022-12-13 13:56:12,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:12,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1474 transitions. [2022-12-13 13:56:12,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.66666666666666) internal successors, (1474), 6 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:12,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:12,395 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:12,395 INFO L175 Difference]: Start difference. First operand has 78 places, 74 transitions, 164 flow. Second operand 6 states and 1474 transitions. [2022-12-13 13:56:12,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 190 transitions, 762 flow [2022-12-13 13:56:12,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 190 transitions, 762 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:56:12,399 INFO L231 Difference]: Finished difference. Result has 87 places, 94 transitions, 306 flow [2022-12-13 13:56:12,399 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=306, PETRI_PLACES=87, PETRI_TRANSITIONS=94} [2022-12-13 13:56:12,400 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, -13 predicate places. [2022-12-13 13:56:12,400 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 94 transitions, 306 flow [2022-12-13 13:56:12,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 221.33333333333334) internal successors, (1328), 6 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:12,401 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:12,401 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:12,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:56:12,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:12,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:12,402 INFO L85 PathProgramCache]: Analyzing trace with hash 668978181, now seen corresponding path program 1 times [2022-12-13 13:56:12,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:12,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227065448] [2022-12-13 13:56:12,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:12,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:12,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:12,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227065448] [2022-12-13 13:56:12,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227065448] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:12,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:12,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:56:12,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854037755] [2022-12-13 13:56:12,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:12,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:56:12,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:12,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:56:12,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:56:13,008 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 368 [2022-12-13 13:56:13,011 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 94 transitions, 306 flow. Second operand has 6 states, 6 states have (on average 222.5) internal successors, (1335), 6 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:13,011 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:13,011 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 368 [2022-12-13 13:56:13,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:13,347 INFO L130 PetriNetUnfolder]: 1593/2727 cut-off events. [2022-12-13 13:56:13,347 INFO L131 PetriNetUnfolder]: For 1836/2459 co-relation queries the response was YES. [2022-12-13 13:56:13,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7488 conditions, 2727 events. 1593/2727 cut-off events. For 1836/2459 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13684 event pairs, 288 based on Foata normal form. 2/2493 useless extension candidates. Maximal degree in co-relation 7480. Up to 1837 conditions per place. [2022-12-13 13:56:13,371 INFO L137 encePairwiseOnDemand]: 359/368 looper letters, 62 selfloop transitions, 24 changer transitions 0/128 dead transitions. [2022-12-13 13:56:13,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 128 transitions, 621 flow [2022-12-13 13:56:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:56:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:56:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1381 transitions. [2022-12-13 13:56:13,374 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6254528985507246 [2022-12-13 13:56:13,374 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1381 transitions. [2022-12-13 13:56:13,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1381 transitions. [2022-12-13 13:56:13,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:13,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1381 transitions. [2022-12-13 13:56:13,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.16666666666666) internal successors, (1381), 6 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:13,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:13,381 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:13,381 INFO L175 Difference]: Start difference. First operand has 87 places, 94 transitions, 306 flow. Second operand 6 states and 1381 transitions. [2022-12-13 13:56:13,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 128 transitions, 621 flow [2022-12-13 13:56:13,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 128 transitions, 621 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:56:13,388 INFO L231 Difference]: Finished difference. Result has 92 places, 113 transitions, 525 flow [2022-12-13 13:56:13,388 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=525, PETRI_PLACES=92, PETRI_TRANSITIONS=113} [2022-12-13 13:56:13,388 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, -8 predicate places. [2022-12-13 13:56:13,389 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 113 transitions, 525 flow [2022-12-13 13:56:13,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.5) internal successors, (1335), 6 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:13,389 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:13,389 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:13,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:56:13,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:13,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:13,390 INFO L85 PathProgramCache]: Analyzing trace with hash 133344582, now seen corresponding path program 1 times [2022-12-13 13:56:13,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:13,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879808106] [2022-12-13 13:56:13,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:13,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:13,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:13,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879808106] [2022-12-13 13:56:13,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879808106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:13,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:13,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:56:13,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610651900] [2022-12-13 13:56:13,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:13,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:56:13,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:13,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:56:13,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:56:15,336 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 368 [2022-12-13 13:56:15,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 113 transitions, 525 flow. Second operand has 11 states, 11 states have (on average 206.54545454545453) internal successors, (2272), 11 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:15,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:15,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 368 [2022-12-13 13:56:15,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:16,407 INFO L130 PetriNetUnfolder]: 2776/5293 cut-off events. [2022-12-13 13:56:16,407 INFO L131 PetriNetUnfolder]: For 5008/5216 co-relation queries the response was YES. [2022-12-13 13:56:16,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15693 conditions, 5293 events. 2776/5293 cut-off events. For 5008/5216 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 32268 event pairs, 745 based on Foata normal form. 70/4835 useless extension candidates. Maximal degree in co-relation 15683. Up to 2488 conditions per place. [2022-12-13 13:56:16,432 INFO L137 encePairwiseOnDemand]: 354/368 looper letters, 176 selfloop transitions, 44 changer transitions 24/280 dead transitions. [2022-12-13 13:56:16,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 280 transitions, 1685 flow [2022-12-13 13:56:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:56:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-13 13:56:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2653 transitions. [2022-12-13 13:56:16,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6007699275362319 [2022-12-13 13:56:16,438 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2653 transitions. [2022-12-13 13:56:16,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2653 transitions. [2022-12-13 13:56:16,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:16,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2653 transitions. [2022-12-13 13:56:16,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 221.08333333333334) internal successors, (2653), 12 states have internal predecessors, (2653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:16,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 368.0) internal successors, (4784), 13 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:16,450 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 368.0) internal successors, (4784), 13 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:16,450 INFO L175 Difference]: Start difference. First operand has 92 places, 113 transitions, 525 flow. Second operand 12 states and 2653 transitions. [2022-12-13 13:56:16,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 280 transitions, 1685 flow [2022-12-13 13:56:16,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 280 transitions, 1628 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 13:56:16,463 INFO L231 Difference]: Finished difference. Result has 108 places, 142 transitions, 938 flow [2022-12-13 13:56:16,463 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=938, PETRI_PLACES=108, PETRI_TRANSITIONS=142} [2022-12-13 13:56:16,463 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 8 predicate places. [2022-12-13 13:56:16,464 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 142 transitions, 938 flow [2022-12-13 13:56:16,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 206.54545454545453) internal successors, (2272), 11 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:16,464 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:16,464 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:16,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:56:16,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:16,465 INFO L85 PathProgramCache]: Analyzing trace with hash -878610656, now seen corresponding path program 2 times [2022-12-13 13:56:16,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:16,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933159585] [2022-12-13 13:56:16,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:16,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:16,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933159585] [2022-12-13 13:56:16,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933159585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:16,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:16,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:56:16,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063228824] [2022-12-13 13:56:16,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:16,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:56:16,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:16,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:56:16,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:56:18,308 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 368 [2022-12-13 13:56:18,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 142 transitions, 938 flow. Second operand has 11 states, 11 states have (on average 206.54545454545453) internal successors, (2272), 11 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:18,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:18,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 368 [2022-12-13 13:56:18,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:19,623 INFO L130 PetriNetUnfolder]: 3699/8021 cut-off events. [2022-12-13 13:56:19,623 INFO L131 PetriNetUnfolder]: For 15601/15624 co-relation queries the response was YES. [2022-12-13 13:56:19,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25485 conditions, 8021 events. 3699/8021 cut-off events. For 15601/15624 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 60862 event pairs, 1287 based on Foata normal form. 142/7320 useless extension candidates. Maximal degree in co-relation 25467. Up to 2546 conditions per place. [2022-12-13 13:56:19,655 INFO L137 encePairwiseOnDemand]: 354/368 looper letters, 207 selfloop transitions, 65 changer transitions 19/327 dead transitions. [2022-12-13 13:56:19,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 327 transitions, 2351 flow [2022-12-13 13:56:19,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:56:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:56:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2469 transitions. [2022-12-13 13:56:19,659 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6099308300395256 [2022-12-13 13:56:19,659 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2469 transitions. [2022-12-13 13:56:19,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2469 transitions. [2022-12-13 13:56:19,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:19,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2469 transitions. [2022-12-13 13:56:19,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 224.45454545454547) internal successors, (2469), 11 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:19,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 368.0) internal successors, (4416), 12 states have internal predecessors, (4416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:19,666 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 368.0) internal successors, (4416), 12 states have internal predecessors, (4416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:19,666 INFO L175 Difference]: Start difference. First operand has 108 places, 142 transitions, 938 flow. Second operand 11 states and 2469 transitions. [2022-12-13 13:56:19,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 327 transitions, 2351 flow [2022-12-13 13:56:19,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 327 transitions, 2343 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-13 13:56:19,700 INFO L231 Difference]: Finished difference. Result has 120 places, 159 transitions, 1348 flow [2022-12-13 13:56:19,700 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1348, PETRI_PLACES=120, PETRI_TRANSITIONS=159} [2022-12-13 13:56:19,701 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 20 predicate places. [2022-12-13 13:56:19,701 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 159 transitions, 1348 flow [2022-12-13 13:56:19,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 206.54545454545453) internal successors, (2272), 11 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:19,702 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:19,702 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:19,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:56:19,702 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:19,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:19,702 INFO L85 PathProgramCache]: Analyzing trace with hash 546102216, now seen corresponding path program 3 times [2022-12-13 13:56:19,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:19,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108776778] [2022-12-13 13:56:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:19,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:19,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:19,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108776778] [2022-12-13 13:56:19,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108776778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:19,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:19,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:56:19,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049171800] [2022-12-13 13:56:19,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:19,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:56:19,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:19,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:56:19,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:56:20,505 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 368 [2022-12-13 13:56:20,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 159 transitions, 1348 flow. Second operand has 9 states, 9 states have (on average 219.77777777777777) internal successors, (1978), 9 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:20,508 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:20,508 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 368 [2022-12-13 13:56:20,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:21,511 INFO L130 PetriNetUnfolder]: 3534/6929 cut-off events. [2022-12-13 13:56:21,511 INFO L131 PetriNetUnfolder]: For 20288/20545 co-relation queries the response was YES. [2022-12-13 13:56:21,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25764 conditions, 6929 events. 3534/6929 cut-off events. For 20288/20545 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 46382 event pairs, 913 based on Foata normal form. 72/6263 useless extension candidates. Maximal degree in co-relation 25741. Up to 3183 conditions per place. [2022-12-13 13:56:21,539 INFO L137 encePairwiseOnDemand]: 362/368 looper letters, 205 selfloop transitions, 12 changer transitions 16/268 dead transitions. [2022-12-13 13:56:21,539 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 268 transitions, 2204 flow [2022-12-13 13:56:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:56:21,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 13:56:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1675 transitions. [2022-12-13 13:56:21,541 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6502329192546584 [2022-12-13 13:56:21,541 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1675 transitions. [2022-12-13 13:56:21,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1675 transitions. [2022-12-13 13:56:21,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:21,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1675 transitions. [2022-12-13 13:56:21,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 239.28571428571428) internal successors, (1675), 7 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:21,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 368.0) internal successors, (2944), 8 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:21,546 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 368.0) internal successors, (2944), 8 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:21,546 INFO L175 Difference]: Start difference. First operand has 120 places, 159 transitions, 1348 flow. Second operand 7 states and 1675 transitions. [2022-12-13 13:56:21,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 268 transitions, 2204 flow [2022-12-13 13:56:21,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 268 transitions, 2109 flow, removed 1 selfloop flow, removed 8 redundant places. [2022-12-13 13:56:21,593 INFO L231 Difference]: Finished difference. Result has 116 places, 154 transitions, 1254 flow [2022-12-13 13:56:21,593 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=1245, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1254, PETRI_PLACES=116, PETRI_TRANSITIONS=154} [2022-12-13 13:56:21,593 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 16 predicate places. [2022-12-13 13:56:21,593 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 154 transitions, 1254 flow [2022-12-13 13:56:21,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 219.77777777777777) internal successors, (1978), 9 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:21,594 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:21,594 INFO L209 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] [2022-12-13 13:56:21,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:56:21,594 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:21,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:21,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1280761883, now seen corresponding path program 1 times [2022-12-13 13:56:21,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:21,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761935443] [2022-12-13 13:56:21,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:21,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:21,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:21,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761935443] [2022-12-13 13:56:21,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761935443] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:21,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:21,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:56:21,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818674914] [2022-12-13 13:56:21,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:21,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:56:21,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:21,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:56:21,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:56:22,107 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 368 [2022-12-13 13:56:22,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 154 transitions, 1254 flow. Second operand has 6 states, 6 states have (on average 224.5) internal successors, (1347), 6 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:22,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:22,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 368 [2022-12-13 13:56:22,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:23,972 INFO L130 PetriNetUnfolder]: 10407/17675 cut-off events. [2022-12-13 13:56:23,972 INFO L131 PetriNetUnfolder]: For 83497/85637 co-relation queries the response was YES. [2022-12-13 13:56:24,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70081 conditions, 17675 events. 10407/17675 cut-off events. For 83497/85637 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 124140 event pairs, 1581 based on Foata normal form. 1481/18009 useless extension candidates. Maximal degree in co-relation 70062. Up to 12010 conditions per place. [2022-12-13 13:56:24,051 INFO L137 encePairwiseOnDemand]: 358/368 looper letters, 117 selfloop transitions, 293 changer transitions 0/456 dead transitions. [2022-12-13 13:56:24,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 456 transitions, 5644 flow [2022-12-13 13:56:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:56:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:56:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1391 transitions. [2022-12-13 13:56:24,053 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6299818840579711 [2022-12-13 13:56:24,053 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1391 transitions. [2022-12-13 13:56:24,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1391 transitions. [2022-12-13 13:56:24,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:24,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1391 transitions. [2022-12-13 13:56:24,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:24,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:24,057 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:24,057 INFO L175 Difference]: Start difference. First operand has 116 places, 154 transitions, 1254 flow. Second operand 6 states and 1391 transitions. [2022-12-13 13:56:24,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 456 transitions, 5644 flow [2022-12-13 13:56:24,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 456 transitions, 5620 flow, removed 1 selfloop flow, removed 6 redundant places. [2022-12-13 13:56:24,110 INFO L231 Difference]: Finished difference. Result has 117 places, 446 transitions, 6100 flow [2022-12-13 13:56:24,111 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=1230, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6100, PETRI_PLACES=117, PETRI_TRANSITIONS=446} [2022-12-13 13:56:24,111 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 17 predicate places. [2022-12-13 13:56:24,111 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 446 transitions, 6100 flow [2022-12-13 13:56:24,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.5) internal successors, (1347), 6 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:24,112 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:24,112 INFO L209 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] [2022-12-13 13:56:24,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:56:24,112 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:24,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:24,113 INFO L85 PathProgramCache]: Analyzing trace with hash -868856473, now seen corresponding path program 1 times [2022-12-13 13:56:24,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:24,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663180541] [2022-12-13 13:56:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:24,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:24,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:24,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663180541] [2022-12-13 13:56:24,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663180541] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:24,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:24,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:56:24,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447936873] [2022-12-13 13:56:24,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:24,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:56:24,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:24,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:56:24,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:56:25,085 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 368 [2022-12-13 13:56:25,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 446 transitions, 6100 flow. Second operand has 9 states, 9 states have (on average 221.44444444444446) internal successors, (1993), 9 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:25,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:25,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 368 [2022-12-13 13:56:25,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:27,363 INFO L130 PetriNetUnfolder]: 9776/17195 cut-off events. [2022-12-13 13:56:27,363 INFO L131 PetriNetUnfolder]: For 112657/114938 co-relation queries the response was YES. [2022-12-13 13:56:27,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82409 conditions, 17195 events. 9776/17195 cut-off events. For 112657/114938 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 124193 event pairs, 868 based on Foata normal form. 1822/18127 useless extension candidates. Maximal degree in co-relation 82386. Up to 9345 conditions per place. [2022-12-13 13:56:27,446 INFO L137 encePairwiseOnDemand]: 361/368 looper letters, 503 selfloop transitions, 15 changer transitions 0/564 dead transitions. [2022-12-13 13:56:27,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 564 transitions, 8730 flow [2022-12-13 13:56:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:56:27,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 13:56:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1809 transitions. [2022-12-13 13:56:27,449 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6144701086956522 [2022-12-13 13:56:27,449 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1809 transitions. [2022-12-13 13:56:27,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1809 transitions. [2022-12-13 13:56:27,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:27,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1809 transitions. [2022-12-13 13:56:27,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 226.125) internal successors, (1809), 8 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:27,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:27,454 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:27,454 INFO L175 Difference]: Start difference. First operand has 117 places, 446 transitions, 6100 flow. Second operand 8 states and 1809 transitions. [2022-12-13 13:56:27,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 564 transitions, 8730 flow [2022-12-13 13:56:27,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 564 transitions, 8656 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:56:27,567 INFO L231 Difference]: Finished difference. Result has 122 places, 445 transitions, 6052 flow [2022-12-13 13:56:27,568 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=6022, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6052, PETRI_PLACES=122, PETRI_TRANSITIONS=445} [2022-12-13 13:56:27,568 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 22 predicate places. [2022-12-13 13:56:27,568 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 445 transitions, 6052 flow [2022-12-13 13:56:27,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 221.44444444444446) internal successors, (1993), 9 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:27,568 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:27,569 INFO L209 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] [2022-12-13 13:56:27,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:56:27,569 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:27,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:27,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1856083934, now seen corresponding path program 1 times [2022-12-13 13:56:27,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:27,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684182773] [2022-12-13 13:56:27,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:27,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:27,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:27,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684182773] [2022-12-13 13:56:27,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684182773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:27,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:27,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:56:27,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342025645] [2022-12-13 13:56:27,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:27,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:56:27,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:27,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:56:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:56:28,184 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 368 [2022-12-13 13:56:28,185 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 445 transitions, 6052 flow. Second operand has 6 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:28,185 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:28,185 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 368 [2022-12-13 13:56:28,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:31,190 INFO L130 PetriNetUnfolder]: 13352/21711 cut-off events. [2022-12-13 13:56:31,190 INFO L131 PetriNetUnfolder]: For 195440/198379 co-relation queries the response was YES. [2022-12-13 13:56:31,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106457 conditions, 21711 events. 13352/21711 cut-off events. For 195440/198379 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 146525 event pairs, 1810 based on Foata normal form. 2262/23025 useless extension candidates. Maximal degree in co-relation 106434. Up to 15010 conditions per place. [2022-12-13 13:56:31,323 INFO L137 encePairwiseOnDemand]: 359/368 looper letters, 403 selfloop transitions, 173 changer transitions 0/625 dead transitions. [2022-12-13 13:56:31,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 625 transitions, 9692 flow [2022-12-13 13:56:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:56:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:56:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1385 transitions. [2022-12-13 13:56:31,326 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6272644927536232 [2022-12-13 13:56:31,326 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1385 transitions. [2022-12-13 13:56:31,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1385 transitions. [2022-12-13 13:56:31,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:31,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1385 transitions. [2022-12-13 13:56:31,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:31,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:31,369 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:31,369 INFO L175 Difference]: Start difference. First operand has 122 places, 445 transitions, 6052 flow. Second operand 6 states and 1385 transitions. [2022-12-13 13:56:31,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 625 transitions, 9692 flow [2022-12-13 13:56:31,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 625 transitions, 9664 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 13:56:31,453 INFO L231 Difference]: Finished difference. Result has 126 places, 617 transitions, 9278 flow [2022-12-13 13:56:31,453 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=6024, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9278, PETRI_PLACES=126, PETRI_TRANSITIONS=617} [2022-12-13 13:56:31,453 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 26 predicate places. [2022-12-13 13:56:31,453 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 617 transitions, 9278 flow [2022-12-13 13:56:31,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:31,454 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:31,454 INFO L209 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] [2022-12-13 13:56:31,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 13:56:31,454 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:31,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:31,454 INFO L85 PathProgramCache]: Analyzing trace with hash -445638126, now seen corresponding path program 1 times [2022-12-13 13:56:31,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:31,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586854229] [2022-12-13 13:56:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:31,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:31,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586854229] [2022-12-13 13:56:31,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586854229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:31,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:31,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:56:31,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763132289] [2022-12-13 13:56:31,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:31,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:56:31,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:31,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:56:31,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:56:32,403 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 368 [2022-12-13 13:56:32,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 617 transitions, 9278 flow. Second operand has 9 states, 9 states have (on average 221.66666666666666) internal successors, (1995), 9 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:32,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:32,405 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 368 [2022-12-13 13:56:32,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:35,857 INFO L130 PetriNetUnfolder]: 13149/21734 cut-off events. [2022-12-13 13:56:35,857 INFO L131 PetriNetUnfolder]: For 234087/236946 co-relation queries the response was YES. [2022-12-13 13:56:35,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118720 conditions, 21734 events. 13149/21734 cut-off events. For 234087/236946 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 149883 event pairs, 1316 based on Foata normal form. 2288/23176 useless extension candidates. Maximal degree in co-relation 118693. Up to 12959 conditions per place. [2022-12-13 13:56:36,000 INFO L137 encePairwiseOnDemand]: 361/368 looper letters, 643 selfloop transitions, 15 changer transitions 0/707 dead transitions. [2022-12-13 13:56:36,001 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 707 transitions, 11960 flow [2022-12-13 13:56:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:56:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 13:56:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1805 transitions. [2022-12-13 13:56:36,003 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6131114130434783 [2022-12-13 13:56:36,003 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1805 transitions. [2022-12-13 13:56:36,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1805 transitions. [2022-12-13 13:56:36,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:36,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1805 transitions. [2022-12-13 13:56:36,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 225.625) internal successors, (1805), 8 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:36,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:36,007 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:36,007 INFO L175 Difference]: Start difference. First operand has 126 places, 617 transitions, 9278 flow. Second operand 8 states and 1805 transitions. [2022-12-13 13:56:36,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 707 transitions, 11960 flow [2022-12-13 13:56:36,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 707 transitions, 11580 flow, removed 168 selfloop flow, removed 1 redundant places. [2022-12-13 13:56:36,211 INFO L231 Difference]: Finished difference. Result has 131 places, 616 transitions, 8924 flow [2022-12-13 13:56:36,212 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=8894, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8924, PETRI_PLACES=131, PETRI_TRANSITIONS=616} [2022-12-13 13:56:36,212 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 31 predicate places. [2022-12-13 13:56:36,212 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 616 transitions, 8924 flow [2022-12-13 13:56:36,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 221.66666666666666) internal successors, (1995), 9 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:36,213 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:36,213 INFO L209 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] [2022-12-13 13:56:36,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 13:56:36,213 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:36,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:36,213 INFO L85 PathProgramCache]: Analyzing trace with hash -581366872, now seen corresponding path program 1 times [2022-12-13 13:56:36,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:36,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739766045] [2022-12-13 13:56:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:36,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:36,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739766045] [2022-12-13 13:56:36,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739766045] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:36,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:36,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:56:36,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535551497] [2022-12-13 13:56:36,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:36,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:56:36,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:36,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:56:36,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:56:36,842 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 368 [2022-12-13 13:56:36,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 616 transitions, 8924 flow. Second operand has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:36,843 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:36,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 368 [2022-12-13 13:56:36,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:40,100 INFO L130 PetriNetUnfolder]: 14322/23255 cut-off events. [2022-12-13 13:56:40,100 INFO L131 PetriNetUnfolder]: For 263278/266425 co-relation queries the response was YES. [2022-12-13 13:56:40,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123934 conditions, 23255 events. 14322/23255 cut-off events. For 263278/266425 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 157276 event pairs, 1760 based on Foata normal form. 2484/24965 useless extension candidates. Maximal degree in co-relation 123907. Up to 16006 conditions per place. [2022-12-13 13:56:40,258 INFO L137 encePairwiseOnDemand]: 360/368 looper letters, 569 selfloop transitions, 173 changer transitions 0/794 dead transitions. [2022-12-13 13:56:40,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 794 transitions, 13086 flow [2022-12-13 13:56:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:56:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:56:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1379 transitions. [2022-12-13 13:56:40,260 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6245471014492754 [2022-12-13 13:56:40,260 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1379 transitions. [2022-12-13 13:56:40,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1379 transitions. [2022-12-13 13:56:40,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:40,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1379 transitions. [2022-12-13 13:56:40,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:40,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:40,264 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:40,264 INFO L175 Difference]: Start difference. First operand has 131 places, 616 transitions, 8924 flow. Second operand 6 states and 1379 transitions. [2022-12-13 13:56:40,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 794 transitions, 13086 flow [2022-12-13 13:56:40,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 794 transitions, 13058 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 13:56:40,416 INFO L231 Difference]: Finished difference. Result has 135 places, 788 transitions, 12346 flow [2022-12-13 13:56:40,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=8896, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=12346, PETRI_PLACES=135, PETRI_TRANSITIONS=788} [2022-12-13 13:56:40,417 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 35 predicate places. [2022-12-13 13:56:40,417 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 788 transitions, 12346 flow [2022-12-13 13:56:40,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:40,417 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:40,417 INFO L209 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] [2022-12-13 13:56:40,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 13:56:40,418 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:40,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:40,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1002562264, now seen corresponding path program 1 times [2022-12-13 13:56:40,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:40,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793078727] [2022-12-13 13:56:40,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:40,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:40,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:40,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793078727] [2022-12-13 13:56:40,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793078727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:40,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:40,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:56:40,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254562057] [2022-12-13 13:56:40,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:40,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:56:40,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:40,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:56:40,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:56:41,347 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 368 [2022-12-13 13:56:41,349 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 788 transitions, 12346 flow. Second operand has 9 states, 9 states have (on average 221.88888888888889) internal successors, (1997), 9 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:41,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:41,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 368 [2022-12-13 13:56:41,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:45,158 INFO L130 PetriNetUnfolder]: 14372/23387 cut-off events. [2022-12-13 13:56:45,158 INFO L131 PetriNetUnfolder]: For 290704/293851 co-relation queries the response was YES. [2022-12-13 13:56:45,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132090 conditions, 23387 events. 14372/23387 cut-off events. For 290704/293851 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 158756 event pairs, 1561 based on Foata normal form. 2520/25170 useless extension candidates. Maximal degree in co-relation 132059. Up to 14191 conditions per place. [2022-12-13 13:56:45,335 INFO L137 encePairwiseOnDemand]: 361/368 looper letters, 783 selfloop transitions, 15 changer transitions 0/850 dead transitions. [2022-12-13 13:56:45,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 850 transitions, 14968 flow [2022-12-13 13:56:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:56:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 13:56:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1801 transitions. [2022-12-13 13:56:45,338 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6117527173913043 [2022-12-13 13:56:45,338 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1801 transitions. [2022-12-13 13:56:45,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1801 transitions. [2022-12-13 13:56:45,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:45,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1801 transitions. [2022-12-13 13:56:45,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 225.125) internal successors, (1801), 8 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:45,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:45,342 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:45,342 INFO L175 Difference]: Start difference. First operand has 135 places, 788 transitions, 12346 flow. Second operand 8 states and 1801 transitions. [2022-12-13 13:56:45,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 850 transitions, 14968 flow [2022-12-13 13:56:45,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 850 transitions, 14812 flow, removed 56 selfloop flow, removed 1 redundant places. [2022-12-13 13:56:45,729 INFO L231 Difference]: Finished difference. Result has 140 places, 787 transitions, 12216 flow [2022-12-13 13:56:45,730 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=12186, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=772, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12216, PETRI_PLACES=140, PETRI_TRANSITIONS=787} [2022-12-13 13:56:45,730 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 40 predicate places. [2022-12-13 13:56:45,730 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 787 transitions, 12216 flow [2022-12-13 13:56:45,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 221.88888888888889) internal successors, (1997), 9 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:45,730 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:45,730 INFO L209 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] [2022-12-13 13:56:45,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 13:56:45,731 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:45,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:45,731 INFO L85 PathProgramCache]: Analyzing trace with hash 415475310, now seen corresponding path program 1 times [2022-12-13 13:56:45,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:45,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294727560] [2022-12-13 13:56:45,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:46,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:46,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294727560] [2022-12-13 13:56:46,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294727560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:46,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:46,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:56:46,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961447500] [2022-12-13 13:56:46,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:46,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:56:46,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:56:46,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:56:46,406 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 368 [2022-12-13 13:56:46,407 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 787 transitions, 12216 flow. Second operand has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:46,407 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:46,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 368 [2022-12-13 13:56:46,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:49,898 INFO L130 PetriNetUnfolder]: 14743/23798 cut-off events. [2022-12-13 13:56:49,898 INFO L131 PetriNetUnfolder]: For 313674/316915 co-relation queries the response was YES. [2022-12-13 13:56:49,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134634 conditions, 23798 events. 14743/23798 cut-off events. For 313674/316915 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 159770 event pairs, 1820 based on Foata normal form. 2578/25739 useless extension candidates. Maximal degree in co-relation 134603. Up to 16513 conditions per place. [2022-12-13 13:56:50,054 INFO L137 encePairwiseOnDemand]: 361/368 looper letters, 648 selfloop transitions, 117 changer transitions 87/907 dead transitions. [2022-12-13 13:56:50,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 907 transitions, 15968 flow [2022-12-13 13:56:50,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:56:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:56:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1373 transitions. [2022-12-13 13:56:50,056 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6218297101449275 [2022-12-13 13:56:50,056 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1373 transitions. [2022-12-13 13:56:50,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1373 transitions. [2022-12-13 13:56:50,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:50,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1373 transitions. [2022-12-13 13:56:50,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.83333333333334) internal successors, (1373), 6 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:50,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:50,059 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:50,059 INFO L175 Difference]: Start difference. First operand has 140 places, 787 transitions, 12216 flow. Second operand 6 states and 1373 transitions. [2022-12-13 13:56:50,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 907 transitions, 15968 flow [2022-12-13 13:56:50,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 907 transitions, 15940 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 13:56:50,363 INFO L231 Difference]: Finished difference. Result has 144 places, 816 transitions, 13199 flow [2022-12-13 13:56:50,363 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=12188, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13199, PETRI_PLACES=144, PETRI_TRANSITIONS=816} [2022-12-13 13:56:50,363 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 44 predicate places. [2022-12-13 13:56:50,363 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 816 transitions, 13199 flow [2022-12-13 13:56:50,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:50,364 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:56:50,364 INFO L209 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] [2022-12-13 13:56:50,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 13:56:50,364 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 13:56:50,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:50,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1177575260, now seen corresponding path program 1 times [2022-12-13 13:56:50,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:50,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398873203] [2022-12-13 13:56:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:50,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:56:50,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:50,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398873203] [2022-12-13 13:56:50,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398873203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:50,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:50,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:56:50,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000640574] [2022-12-13 13:56:50,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:50,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:56:50,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:50,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:56:50,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:56:51,408 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 368 [2022-12-13 13:56:51,410 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 816 transitions, 13199 flow. Second operand has 9 states, 9 states have (on average 211.11111111111111) internal successors, (1900), 9 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:51,410 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:56:51,410 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 368 [2022-12-13 13:56:51,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:56:55,166 INFO L130 PetriNetUnfolder]: 13973/22903 cut-off events. [2022-12-13 13:56:55,166 INFO L131 PetriNetUnfolder]: For 290523/293049 co-relation queries the response was YES. [2022-12-13 13:56:55,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130372 conditions, 22903 events. 13973/22903 cut-off events. For 290523/293049 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 156348 event pairs, 1594 based on Foata normal form. 1913/24184 useless extension candidates. Maximal degree in co-relation 130337. Up to 15125 conditions per place. [2022-12-13 13:56:55,272 INFO L137 encePairwiseOnDemand]: 361/368 looper letters, 0 selfloop transitions, 0 changer transitions 822/822 dead transitions. [2022-12-13 13:56:55,272 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 822 transitions, 14743 flow [2022-12-13 13:56:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:56:55,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 13:56:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1709 transitions. [2022-12-13 13:56:55,275 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5805027173913043 [2022-12-13 13:56:55,275 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1709 transitions. [2022-12-13 13:56:55,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1709 transitions. [2022-12-13 13:56:55,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:56:55,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1709 transitions. [2022-12-13 13:56:55,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 213.625) internal successors, (1709), 8 states have internal predecessors, (1709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:55,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:55,280 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 368.0) internal successors, (3312), 9 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:55,280 INFO L175 Difference]: Start difference. First operand has 144 places, 816 transitions, 13199 flow. Second operand 8 states and 1709 transitions. [2022-12-13 13:56:55,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 822 transitions, 14743 flow [2022-12-13 13:56:55,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 822 transitions, 14657 flow, removed 28 selfloop flow, removed 1 redundant places. [2022-12-13 13:56:55,631 INFO L231 Difference]: Finished difference. Result has 149 places, 0 transitions, 0 flow [2022-12-13 13:56:55,631 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=13109, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=815, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=815, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=149, PETRI_TRANSITIONS=0} [2022-12-13 13:56:55,631 INFO L288 CegarLoopForPetriNet]: 100 programPoint places, 49 predicate places. [2022-12-13 13:56:55,631 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 0 transitions, 0 flow [2022-12-13 13:56:55,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 211.11111111111111) internal successors, (1900), 9 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:56:55,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2022-12-13 13:56:55,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2022-12-13 13:56:55,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2022-12-13 13:56:55,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2022-12-13 13:56:55,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2022-12-13 13:56:55,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 38 remaining) [2022-12-13 13:56:55,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2022-12-13 13:56:55,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2022-12-13 13:56:55,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2022-12-13 13:56:55,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2022-12-13 13:56:55,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2022-12-13 13:56:55,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2022-12-13 13:56:55,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2022-12-13 13:56:55,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2022-12-13 13:56:55,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2022-12-13 13:56:55,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 13:56:55,637 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:55,641 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 13:56:55,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:56:55,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:56:55 BasicIcfg [2022-12-13 13:56:55,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:56:55,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:56:55,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:56:55,643 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:56:55,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:56:07" (3/4) ... [2022-12-13 13:56:55,645 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 13:56:55,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2022-12-13 13:56:55,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 13:56:55,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 13:56:55,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 13:56:55,652 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 13:56:55,652 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 13:56:55,652 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 13:56:55,652 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 13:56:55,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:56:55,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:56:55,671 INFO L158 Benchmark]: Toolchain (without parser) took 48754.16ms. Allocated memory was 119.5MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 84.5MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2022-12-13 13:56:55,671 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:56:55,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.74ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 50.5MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 13:56:55,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.67ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 50.5MB in the beginning and 124.9MB in the end (delta: -74.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-12-13 13:56:55,672 INFO L158 Benchmark]: Boogie Preprocessor took 28.80ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 124.7MB in the end (delta: 144.0kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-12-13 13:56:55,672 INFO L158 Benchmark]: RCFGBuilder took 431.16ms. Allocated memory is still 155.2MB. Free memory was 124.7MB in the beginning and 101.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 13:56:55,673 INFO L158 Benchmark]: TraceAbstraction took 47711.16ms. Allocated memory was 155.2MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 101.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-12-13 13:56:55,673 INFO L158 Benchmark]: Witness Printer took 27.32ms. Allocated memory is still 3.5GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:56:55,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.74ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 50.5MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.67ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 50.5MB in the beginning and 124.9MB in the end (delta: -74.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.80ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 124.7MB in the end (delta: 144.0kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * RCFGBuilder took 431.16ms. Allocated memory is still 155.2MB. Free memory was 124.7MB in the beginning and 101.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 47711.16ms. Allocated memory was 155.2MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 101.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 27.32ms. Allocated memory is still 3.5GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 182 PlacesBefore, 100 PlacesAfterwards, 168 TransitionsBefore, 86 TransitionsAfterwards, 4608 CoEnabledTransitionPairs, 5 FixpointIterations, 22 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 94 TotalNumberOfCompositions, 20895 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7553, independent: 7010, independent conditional: 0, independent unconditional: 7010, dependent: 543, dependent conditional: 0, dependent unconditional: 543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1807, independent: 1718, independent conditional: 0, independent unconditional: 1718, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7553, independent: 5292, independent conditional: 0, independent unconditional: 5292, dependent: 454, dependent conditional: 0, dependent unconditional: 454, unknown: 1807, unknown conditional: 0, unknown unconditional: 1807] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 227, Positive conditional cache size: 0, Positive unconditional cache size: 227, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1163]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: 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 11 procedures, 317 locations, 38 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: 47.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 40.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5538 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3766 mSDsluCounter, 1358 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1208 mSDsCounter, 2798 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14313 IncrementalHoareTripleChecker+Invalid, 17111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2798 mSolverCounterUnsat, 150 mSDtfsCounter, 14313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13199occurred in iteration=13, InterpolantAutomatonStates: 100, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 3130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 13:56:55,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c54772-af18-44df-92f5-c18997ef417e/bin/uautomizer-uyxdKDjOR8/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