./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:19:34,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:19:34,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:19:34,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:19:34,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:19:34,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:19:34,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:19:34,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:19:34,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:19:34,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:19:34,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:19:34,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:19:34,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:19:34,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:19:34,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:19:34,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:19:34,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:19:34,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:19:34,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:19:34,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:19:34,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:19:34,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:19:34,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:19:34,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:19:34,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:19:34,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:19:34,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:19:34,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:19:34,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:19:34,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:19:34,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:19:34,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:19:34,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:19:34,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:19:34,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:19:34,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:19:34,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:19:34,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:19:34,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:19:34,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:19:34,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:19:34,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 06:19:35,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:19:35,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:19:35,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:19:35,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:19:35,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:19:35,029 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:19:35,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:19:35,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:19:35,031 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:19:35,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:19:35,032 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:19:35,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:19:35,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:19:35,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:19:35,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:19:35,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:19:35,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:19:35,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:19:35,034 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 06:19:35,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:19:35,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:19:35,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:19:35,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:19:35,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:19:35,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:19:35,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:19:35,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:19:35,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:19:35,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:19:35,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:19:35,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:19:35,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:19:35,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:19:35,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:19:35,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:19:35,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:19:35,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2021-11-20 06:19:35,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:19:35,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:19:35,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:19:35,397 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:19:35,398 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:19:35,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-11-20 06:19:35,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/data/cfaa6256a/d371858d7eea4e02911679b6e116579e/FLAG54f57962c [2021-11-20 06:19:36,220 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:19:36,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-11-20 06:19:36,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/data/cfaa6256a/d371858d7eea4e02911679b6e116579e/FLAG54f57962c [2021-11-20 06:19:36,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/data/cfaa6256a/d371858d7eea4e02911679b6e116579e [2021-11-20 06:19:36,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:19:36,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:19:36,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:19:36,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:19:36,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:19:36,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:36" (1/1) ... [2021-11-20 06:19:36,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f66cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:36, skipping insertion in model container [2021-11-20 06:19:36,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:19:36" (1/1) ... [2021-11-20 06:19:36,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:19:36,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:19:36,722 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 06:19:37,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-11-20 06:19:37,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:19:37,288 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:19:37,300 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 06:19:37,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-11-20 06:19:37,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:19:37,498 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:19:37,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37 WrapperNode [2021-11-20 06:19:37,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:19:37,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:19:37,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:19:37,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:19:37,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,589 INFO L137 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 225 [2021-11-20 06:19:37,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:19:37,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:19:37,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:19:37,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:19:37,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:19:37,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:19:37,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:19:37,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:19:37,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (1/1) ... [2021-11-20 06:19:37,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:19:37,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:19:37,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:19:37,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fa9ade-5103-4896-bfc8-8b6fc4e2fef1/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:19:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:19:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-11-20 06:19:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-11-20 06:19:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:19:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:19:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:19:37,802 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:19:38,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:19:38,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:19:38,626 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:19:38,721 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:19:38,722 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:19:38,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:38 BoogieIcfgContainer [2021-11-20 06:19:38,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:19:38,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:19:38,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:19:38,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:19:38,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:19:36" (1/3) ... [2021-11-20 06:19:38,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c17b025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:19:38, skipping insertion in model container [2021-11-20 06:19:38,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:19:37" (2/3) ... [2021-11-20 06:19:38,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c17b025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:19:38, skipping insertion in model container [2021-11-20 06:19:38,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:19:38" (3/3) ... [2021-11-20 06:19:38,735 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2021-11-20 06:19:38,741 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:19:38,742 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:19:38,742 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2021-11-20 06:19:38,744 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:19:38,815 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,815 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,816 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,816 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,817 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,817 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,817 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,817 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,818 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,818 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,818 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,818 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,819 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,819 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,819 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,820 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,821 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,821 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,822 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,823 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,823 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,824 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,824 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,825 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,826 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,826 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,827 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,827 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,828 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,828 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,828 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,828 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,829 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,829 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,829 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,830 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,830 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,830 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,830 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,831 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,831 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,831 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,832 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,832 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,832 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,833 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,833 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,833 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,834 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,834 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,834 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,834 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,835 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,835 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,835 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,835 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,836 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,836 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,836 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,837 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,837 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,838 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,838 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,838 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,839 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,839 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,839 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,840 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,840 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,840 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,841 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,841 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,841 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,841 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,842 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,842 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,843 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,846 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,847 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,847 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,848 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,848 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,849 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,849 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,849 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,849 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,856 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,857 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,857 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,857 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,858 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,858 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,859 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,859 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,861 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,861 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,861 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,861 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,862 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,862 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,862 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,862 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,862 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,863 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,863 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,863 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,863 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,864 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,864 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,865 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,865 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,865 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,865 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,866 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,866 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,866 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,866 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,866 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,867 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,867 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,867 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,867 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,868 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,868 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,869 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,869 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,869 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,869 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,870 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,870 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,870 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,870 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,871 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,871 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,871 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,871 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,871 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,872 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,872 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,872 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,872 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,873 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,873 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,873 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,873 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,874 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,875 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,875 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,875 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,875 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,877 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,878 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,878 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,878 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,878 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,879 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,879 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,879 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,879 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,879 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,880 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,880 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,880 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,880 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,881 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,882 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,882 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,882 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,882 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,883 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,883 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,883 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,883 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,884 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,884 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,884 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,884 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,885 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,885 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,885 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,885 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,886 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,886 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,886 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,886 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,886 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,887 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,887 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,893 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,894 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,894 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,895 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,895 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,895 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,895 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,895 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,896 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,896 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,896 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,896 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,897 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,897 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,897 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,900 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,904 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,904 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,904 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,905 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,905 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,905 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,905 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,905 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,906 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,907 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,908 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,908 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,908 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,908 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:19:38,911 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-20 06:19:38,984 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:19:38,994 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:19:38,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-11-20 06:19:39,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 247 transitions, 510 flow [2021-11-20 06:19:39,157 INFO L129 PetriNetUnfolder]: 8/324 cut-off events. [2021-11-20 06:19:39,157 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 06:19:39,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 324 events. 8/324 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 628 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 167. Up to 4 conditions per place. [2021-11-20 06:19:39,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 247 transitions, 510 flow [2021-11-20 06:19:39,172 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 244 transitions, 500 flow [2021-11-20 06:19:39,181 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-11-20 06:19:39,182 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:19:39,182 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:39,183 INFO L254 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] [2021-11-20 06:19:39,183 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:39,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:39,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2121246416, now seen corresponding path program 1 times [2021-11-20 06:19:39,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:39,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014053181] [2021-11-20 06:19:39,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:39,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:39,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:39,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014053181] [2021-11-20 06:19:39,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014053181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:39,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:39,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:39,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819504815] [2021-11-20 06:19:39,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:39,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:19:39,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:39,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:19:39,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:39,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 247 [2021-11-20 06:19:39,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 244 transitions, 500 flow. Second operand has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:39,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:39,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 247 [2021-11-20 06:19:39,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:40,930 INFO L129 PetriNetUnfolder]: 766/2166 cut-off events. [2021-11-20 06:19:40,930 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-11-20 06:19:40,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3556 conditions, 2166 events. 766/2166 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 14189 event pairs, 765 based on Foata normal form. 36/2039 useless extension candidates. Maximal degree in co-relation 3137. Up to 1367 conditions per place. [2021-11-20 06:19:40,960 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 75 selfloop transitions, 5 changer transitions 17/225 dead transitions. [2021-11-20 06:19:40,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 225 transitions, 624 flow [2021-11-20 06:19:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 978 transitions. [2021-11-20 06:19:40,988 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.659919028340081 [2021-11-20 06:19:40,989 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 978 transitions. [2021-11-20 06:19:40,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 978 transitions. [2021-11-20 06:19:40,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:41,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 978 transitions. [2021-11-20 06:19:41,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:41,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:41,025 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:41,028 INFO L186 Difference]: Start difference. First operand has 245 places, 244 transitions, 500 flow. Second operand 6 states and 978 transitions. [2021-11-20 06:19:41,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 225 transitions, 624 flow [2021-11-20 06:19:41,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 225 transitions, 616 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 06:19:41,045 INFO L242 Difference]: Finished difference. Result has 231 places, 208 transitions, 430 flow [2021-11-20 06:19:41,048 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=231, PETRI_TRANSITIONS=208} [2021-11-20 06:19:41,053 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -14 predicate places. [2021-11-20 06:19:41,054 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 208 transitions, 430 flow [2021-11-20 06:19:41,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:41,055 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:41,055 INFO L254 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] [2021-11-20 06:19:41,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:19:41,056 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:41,061 INFO L85 PathProgramCache]: Analyzing trace with hash -140736374, now seen corresponding path program 1 times [2021-11-20 06:19:41,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:41,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752307637] [2021-11-20 06:19:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:41,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:41,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752307637] [2021-11-20 06:19:41,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752307637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:41,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:41,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:41,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911455575] [2021-11-20 06:19:41,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:41,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:19:41,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:19:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:41,391 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 247 [2021-11-20 06:19:41,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 208 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:41,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:41,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 247 [2021-11-20 06:19:41,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:42,212 INFO L129 PetriNetUnfolder]: 742/1884 cut-off events. [2021-11-20 06:19:42,213 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 06:19:42,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3226 conditions, 1884 events. 742/1884 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 11882 event pairs, 741 based on Foata normal form. 0/1758 useless extension candidates. Maximal degree in co-relation 3164. Up to 1325 conditions per place. [2021-11-20 06:19:42,236 INFO L132 encePairwiseOnDemand]: 241/247 looper letters, 74 selfloop transitions, 5 changer transitions 0/207 dead transitions. [2021-11-20 06:19:42,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 207 transitions, 586 flow [2021-11-20 06:19:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 962 transitions. [2021-11-20 06:19:42,242 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6491228070175439 [2021-11-20 06:19:42,242 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 962 transitions. [2021-11-20 06:19:42,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 962 transitions. [2021-11-20 06:19:42,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:42,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 962 transitions. [2021-11-20 06:19:42,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:42,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:42,254 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:42,254 INFO L186 Difference]: Start difference. First operand has 231 places, 208 transitions, 430 flow. Second operand 6 states and 962 transitions. [2021-11-20 06:19:42,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 207 transitions, 586 flow [2021-11-20 06:19:42,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 207 transitions, 576 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:19:42,272 INFO L242 Difference]: Finished difference. Result has 213 places, 207 transitions, 428 flow [2021-11-20 06:19:42,273 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=428, PETRI_PLACES=213, PETRI_TRANSITIONS=207} [2021-11-20 06:19:42,274 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -32 predicate places. [2021-11-20 06:19:42,275 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 207 transitions, 428 flow [2021-11-20 06:19:42,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:42,276 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:42,276 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:42,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:19:42,277 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:42,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1153358172, now seen corresponding path program 1 times [2021-11-20 06:19:42,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:42,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295402521] [2021-11-20 06:19:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:42,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:42,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:42,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295402521] [2021-11-20 06:19:42,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295402521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:42,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:42,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:42,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082742788] [2021-11-20 06:19:42,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:42,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:19:42,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:42,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:19:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:42,608 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 247 [2021-11-20 06:19:42,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 207 transitions, 428 flow. Second operand has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:42,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:42,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 247 [2021-11-20 06:19:42,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:43,795 INFO L129 PetriNetUnfolder]: 1018/2380 cut-off events. [2021-11-20 06:19:43,796 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 06:19:43,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4187 conditions, 2380 events. 1018/2380 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 15543 event pairs, 819 based on Foata normal form. 0/2264 useless extension candidates. Maximal degree in co-relation 4114. Up to 1695 conditions per place. [2021-11-20 06:19:43,821 INFO L132 encePairwiseOnDemand]: 234/247 looper letters, 82 selfloop transitions, 30 changer transitions 0/236 dead transitions. [2021-11-20 06:19:43,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 236 transitions, 710 flow [2021-11-20 06:19:43,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 959 transitions. [2021-11-20 06:19:43,826 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6470985155195681 [2021-11-20 06:19:43,827 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 959 transitions. [2021-11-20 06:19:43,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 959 transitions. [2021-11-20 06:19:43,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:43,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 959 transitions. [2021-11-20 06:19:43,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:43,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:43,839 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:43,839 INFO L186 Difference]: Start difference. First operand has 213 places, 207 transitions, 428 flow. Second operand 6 states and 959 transitions. [2021-11-20 06:19:43,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 236 transitions, 710 flow [2021-11-20 06:19:43,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 236 transitions, 700 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:19:43,848 INFO L242 Difference]: Finished difference. Result has 218 places, 236 transitions, 620 flow [2021-11-20 06:19:43,849 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=620, PETRI_PLACES=218, PETRI_TRANSITIONS=236} [2021-11-20 06:19:43,852 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -27 predicate places. [2021-11-20 06:19:43,852 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 236 transitions, 620 flow [2021-11-20 06:19:43,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:43,853 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:43,854 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:43,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:19:43,854 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:43,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:43,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1732561676, now seen corresponding path program 1 times [2021-11-20 06:19:43,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:43,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772101807] [2021-11-20 06:19:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:43,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:44,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:44,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772101807] [2021-11-20 06:19:44,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772101807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:44,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:44,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:44,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950946693] [2021-11-20 06:19:44,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:44,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:19:44,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:44,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:19:44,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:19:44,041 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 247 [2021-11-20 06:19:44,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 236 transitions, 620 flow. Second operand has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:44,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:44,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 247 [2021-11-20 06:19:44,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:44,543 INFO L129 PetriNetUnfolder]: 449/1623 cut-off events. [2021-11-20 06:19:44,544 INFO L130 PetriNetUnfolder]: For 460/520 co-relation queries the response was YES. [2021-11-20 06:19:44,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3133 conditions, 1623 events. 449/1623 cut-off events. For 460/520 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 10227 event pairs, 264 based on Foata normal form. 0/1533 useless extension candidates. Maximal degree in co-relation 2139. Up to 606 conditions per place. [2021-11-20 06:19:44,564 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 50 selfloop transitions, 4 changer transitions 0/241 dead transitions. [2021-11-20 06:19:44,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 241 transitions, 738 flow [2021-11-20 06:19:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:44,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2021-11-20 06:19:44,571 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8468286099865048 [2021-11-20 06:19:44,571 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2021-11-20 06:19:44,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2021-11-20 06:19:44,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:44,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2021-11-20 06:19:44,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:44,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:44,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:44,584 INFO L186 Difference]: Start difference. First operand has 218 places, 236 transitions, 620 flow. Second operand 6 states and 1255 transitions. [2021-11-20 06:19:44,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 241 transitions, 738 flow [2021-11-20 06:19:44,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 241 transitions, 738 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:19:44,601 INFO L242 Difference]: Finished difference. Result has 227 places, 239 transitions, 649 flow [2021-11-20 06:19:44,602 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=649, PETRI_PLACES=227, PETRI_TRANSITIONS=239} [2021-11-20 06:19:44,604 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -18 predicate places. [2021-11-20 06:19:44,604 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 239 transitions, 649 flow [2021-11-20 06:19:44,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:44,605 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:44,606 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:44,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:19:44,606 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:44,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:44,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1253499727, now seen corresponding path program 1 times [2021-11-20 06:19:44,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:44,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341712429] [2021-11-20 06:19:44,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:44,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:44,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:44,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341712429] [2021-11-20 06:19:44,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341712429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:44,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:44,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:44,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293213901] [2021-11-20 06:19:44,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:44,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:19:44,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:44,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:19:44,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:44,892 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 247 [2021-11-20 06:19:44,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 239 transitions, 649 flow. Second operand has 6 states, 6 states have (on average 145.33333333333334) internal successors, (872), 6 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:44,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:44,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 247 [2021-11-20 06:19:44,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:46,077 INFO L129 PetriNetUnfolder]: 1147/2619 cut-off events. [2021-11-20 06:19:46,077 INFO L130 PetriNetUnfolder]: For 828/834 co-relation queries the response was YES. [2021-11-20 06:19:46,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6240 conditions, 2619 events. 1147/2619 cut-off events. For 828/834 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 16821 event pairs, 753 based on Foata normal form. 0/2522 useless extension candidates. Maximal degree in co-relation 6137. Up to 1900 conditions per place. [2021-11-20 06:19:46,111 INFO L132 encePairwiseOnDemand]: 234/247 looper letters, 110 selfloop transitions, 30 changer transitions 0/268 dead transitions. [2021-11-20 06:19:46,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 268 transitions, 1035 flow [2021-11-20 06:19:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 959 transitions. [2021-11-20 06:19:46,116 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6470985155195681 [2021-11-20 06:19:46,116 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 959 transitions. [2021-11-20 06:19:46,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 959 transitions. [2021-11-20 06:19:46,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:46,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 959 transitions. [2021-11-20 06:19:46,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:46,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:46,125 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:46,126 INFO L186 Difference]: Start difference. First operand has 227 places, 239 transitions, 649 flow. Second operand 6 states and 959 transitions. [2021-11-20 06:19:46,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 268 transitions, 1035 flow [2021-11-20 06:19:46,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 268 transitions, 1034 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:19:46,136 INFO L242 Difference]: Finished difference. Result has 236 places, 268 transitions, 898 flow [2021-11-20 06:19:46,137 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=898, PETRI_PLACES=236, PETRI_TRANSITIONS=268} [2021-11-20 06:19:46,138 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -9 predicate places. [2021-11-20 06:19:46,138 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 268 transitions, 898 flow [2021-11-20 06:19:46,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.33333333333334) internal successors, (872), 6 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:46,139 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:46,139 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:46,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:19:46,140 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:46,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1373465184, now seen corresponding path program 1 times [2021-11-20 06:19:46,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:46,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982444280] [2021-11-20 06:19:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:46,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:46,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:46,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982444280] [2021-11-20 06:19:46,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982444280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:46,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:46,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:46,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125843929] [2021-11-20 06:19:46,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:46,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:19:46,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:46,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:19:46,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:46,314 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 247 [2021-11-20 06:19:46,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 268 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:46,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:46,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 247 [2021-11-20 06:19:46,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:47,401 INFO L129 PetriNetUnfolder]: 1123/2692 cut-off events. [2021-11-20 06:19:47,402 INFO L130 PetriNetUnfolder]: For 2176/2338 co-relation queries the response was YES. [2021-11-20 06:19:47,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7695 conditions, 2692 events. 1123/2692 cut-off events. For 2176/2338 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 17765 event pairs, 559 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 5643. Up to 1798 conditions per place. [2021-11-20 06:19:47,445 INFO L132 encePairwiseOnDemand]: 236/247 looper letters, 139 selfloop transitions, 22 changer transitions 0/298 dead transitions. [2021-11-20 06:19:47,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 298 transitions, 1377 flow [2021-11-20 06:19:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:47,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1012 transitions. [2021-11-20 06:19:47,450 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6828609986504723 [2021-11-20 06:19:47,450 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1012 transitions. [2021-11-20 06:19:47,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1012 transitions. [2021-11-20 06:19:47,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:47,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1012 transitions. [2021-11-20 06:19:47,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:47,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:47,462 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:47,462 INFO L186 Difference]: Start difference. First operand has 236 places, 268 transitions, 898 flow. Second operand 6 states and 1012 transitions. [2021-11-20 06:19:47,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 298 transitions, 1377 flow [2021-11-20 06:19:47,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 298 transitions, 1329 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-11-20 06:19:47,487 INFO L242 Difference]: Finished difference. Result has 246 places, 289 transitions, 1064 flow [2021-11-20 06:19:47,487 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1064, PETRI_PLACES=246, PETRI_TRANSITIONS=289} [2021-11-20 06:19:47,491 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 1 predicate places. [2021-11-20 06:19:47,491 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 289 transitions, 1064 flow [2021-11-20 06:19:47,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:47,492 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:47,492 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:47,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:19:47,493 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:47,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:47,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1652809650, now seen corresponding path program 1 times [2021-11-20 06:19:47,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:47,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769363586] [2021-11-20 06:19:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:47,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:47,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:47,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769363586] [2021-11-20 06:19:47,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769363586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:47,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:47,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:47,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498701284] [2021-11-20 06:19:47,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:47,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:19:47,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:47,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:19:47,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:47,735 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 247 [2021-11-20 06:19:47,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 289 transitions, 1064 flow. Second operand has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:47,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:47,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 247 [2021-11-20 06:19:47,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:49,068 INFO L129 PetriNetUnfolder]: 1448/3381 cut-off events. [2021-11-20 06:19:49,069 INFO L130 PetriNetUnfolder]: For 3675/3693 co-relation queries the response was YES. [2021-11-20 06:19:49,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10643 conditions, 3381 events. 1448/3381 cut-off events. For 3675/3693 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 22451 event pairs, 520 based on Foata normal form. 0/3317 useless extension candidates. Maximal degree in co-relation 9447. Up to 2180 conditions per place. [2021-11-20 06:19:49,121 INFO L132 encePairwiseOnDemand]: 231/247 looper letters, 167 selfloop transitions, 26 changer transitions 0/324 dead transitions. [2021-11-20 06:19:49,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 324 transitions, 1652 flow [2021-11-20 06:19:49,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 976 transitions. [2021-11-20 06:19:49,127 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6585695006747638 [2021-11-20 06:19:49,127 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 976 transitions. [2021-11-20 06:19:49,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 976 transitions. [2021-11-20 06:19:49,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:49,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 976 transitions. [2021-11-20 06:19:49,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,138 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,138 INFO L186 Difference]: Start difference. First operand has 246 places, 289 transitions, 1064 flow. Second operand 6 states and 976 transitions. [2021-11-20 06:19:49,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 324 transitions, 1652 flow [2021-11-20 06:19:49,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 324 transitions, 1652 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:19:49,158 INFO L242 Difference]: Finished difference. Result has 255 places, 309 transitions, 1328 flow [2021-11-20 06:19:49,159 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1328, PETRI_PLACES=255, PETRI_TRANSITIONS=309} [2021-11-20 06:19:49,160 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 10 predicate places. [2021-11-20 06:19:49,160 INFO L470 AbstractCegarLoop]: Abstraction has has 255 places, 309 transitions, 1328 flow [2021-11-20 06:19:49,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,161 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:49,161 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:49,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:19:49,162 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:49,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:49,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1340364535, now seen corresponding path program 1 times [2021-11-20 06:19:49,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:49,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809071097] [2021-11-20 06:19:49,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:49,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:49,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:49,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809071097] [2021-11-20 06:19:49,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809071097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:49,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:49,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:19:49,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594280460] [2021-11-20 06:19:49,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:49,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:19:49,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:49,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:19:49,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:19:49,283 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 247 [2021-11-20 06:19:49,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 309 transitions, 1328 flow. Second operand has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:49,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 247 [2021-11-20 06:19:49,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:49,721 INFO L129 PetriNetUnfolder]: 321/1123 cut-off events. [2021-11-20 06:19:49,721 INFO L130 PetriNetUnfolder]: For 1917/1989 co-relation queries the response was YES. [2021-11-20 06:19:49,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3280 conditions, 1123 events. 321/1123 cut-off events. For 1917/1989 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6243 event pairs, 27 based on Foata normal form. 16/1120 useless extension candidates. Maximal degree in co-relation 3180. Up to 364 conditions per place. [2021-11-20 06:19:49,736 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 66 selfloop transitions, 4 changer transitions 1/253 dead transitions. [2021-11-20 06:19:49,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 253 transitions, 1124 flow [2021-11-20 06:19:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:19:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:19:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1278 transitions. [2021-11-20 06:19:49,742 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8623481781376519 [2021-11-20 06:19:49,742 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1278 transitions. [2021-11-20 06:19:49,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1278 transitions. [2021-11-20 06:19:49,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:49,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1278 transitions. [2021-11-20 06:19:49,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,754 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,754 INFO L186 Difference]: Start difference. First operand has 255 places, 309 transitions, 1328 flow. Second operand 6 states and 1278 transitions. [2021-11-20 06:19:49,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 253 transitions, 1124 flow [2021-11-20 06:19:49,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 253 transitions, 1055 flow, removed 3 selfloop flow, removed 24 redundant places. [2021-11-20 06:19:49,767 INFO L242 Difference]: Finished difference. Result has 234 places, 227 transitions, 714 flow [2021-11-20 06:19:49,768 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=714, PETRI_PLACES=234, PETRI_TRANSITIONS=227} [2021-11-20 06:19:49,769 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -11 predicate places. [2021-11-20 06:19:49,769 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 227 transitions, 714 flow [2021-11-20 06:19:49,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:49,770 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:49,770 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:49,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:19:49,771 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:49,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:49,771 INFO L85 PathProgramCache]: Analyzing trace with hash 159715451, now seen corresponding path program 1 times [2021-11-20 06:19:49,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:49,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353882387] [2021-11-20 06:19:49,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:49,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:50,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:50,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353882387] [2021-11-20 06:19:50,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353882387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:50,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:50,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:19:50,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799759726] [2021-11-20 06:19:50,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:50,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:19:50,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:50,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:19:50,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:19:50,726 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:19:50,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 227 transitions, 714 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:50,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:50,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:19:50,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:53,332 INFO L129 PetriNetUnfolder]: 994/2218 cut-off events. [2021-11-20 06:19:53,333 INFO L130 PetriNetUnfolder]: For 3092/3094 co-relation queries the response was YES. [2021-11-20 06:19:53,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7051 conditions, 2218 events. 994/2218 cut-off events. For 3092/3094 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 13230 event pairs, 435 based on Foata normal form. 10/2197 useless extension candidates. Maximal degree in co-relation 6873. Up to 1150 conditions per place. [2021-11-20 06:19:53,356 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 160 selfloop transitions, 44 changer transitions 0/315 dead transitions. [2021-11-20 06:19:53,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 315 transitions, 1472 flow [2021-11-20 06:19:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:19:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-20 06:19:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2233 transitions. [2021-11-20 06:19:53,365 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5650303643724697 [2021-11-20 06:19:53,366 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2233 transitions. [2021-11-20 06:19:53,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2233 transitions. [2021-11-20 06:19:53,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:53,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2233 transitions. [2021-11-20 06:19:53,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 139.5625) internal successors, (2233), 16 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:53,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 247.0) internal successors, (4199), 17 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:53,387 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 247.0) internal successors, (4199), 17 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:53,387 INFO L186 Difference]: Start difference. First operand has 234 places, 227 transitions, 714 flow. Second operand 16 states and 2233 transitions. [2021-11-20 06:19:53,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 315 transitions, 1472 flow [2021-11-20 06:19:53,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 315 transitions, 1447 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-11-20 06:19:53,405 INFO L242 Difference]: Finished difference. Result has 247 places, 245 transitions, 1001 flow [2021-11-20 06:19:53,406 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1001, PETRI_PLACES=247, PETRI_TRANSITIONS=245} [2021-11-20 06:19:53,407 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 2 predicate places. [2021-11-20 06:19:53,407 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 245 transitions, 1001 flow [2021-11-20 06:19:53,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:53,409 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:53,409 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:53,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:19:53,410 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:53,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash 961938131, now seen corresponding path program 2 times [2021-11-20 06:19:53,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:53,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237922308] [2021-11-20 06:19:53,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:53,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:54,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:54,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237922308] [2021-11-20 06:19:54,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237922308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:54,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:54,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:19:54,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565094752] [2021-11-20 06:19:54,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:54,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:19:54,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:54,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:19:54,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:19:54,870 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:19:54,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 245 transitions, 1001 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:54,873 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:54,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:19:54,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:19:57,253 INFO L129 PetriNetUnfolder]: 1110/2277 cut-off events. [2021-11-20 06:19:57,253 INFO L130 PetriNetUnfolder]: For 7806/7834 co-relation queries the response was YES. [2021-11-20 06:19:57,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8998 conditions, 2277 events. 1110/2277 cut-off events. For 7806/7834 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 13203 event pairs, 75 based on Foata normal form. 8/2264 useless extension candidates. Maximal degree in co-relation 8819. Up to 881 conditions per place. [2021-11-20 06:19:57,280 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 250 selfloop transitions, 84 changer transitions 0/445 dead transitions. [2021-11-20 06:19:57,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 445 transitions, 3316 flow [2021-11-20 06:19:57,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:19:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:19:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2762 transitions. [2021-11-20 06:19:57,292 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5591093117408907 [2021-11-20 06:19:57,292 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2762 transitions. [2021-11-20 06:19:57,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2762 transitions. [2021-11-20 06:19:57,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:19:57,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2762 transitions. [2021-11-20 06:19:57,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.1) internal successors, (2762), 20 states have internal predecessors, (2762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:57,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:57,320 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:57,320 INFO L186 Difference]: Start difference. First operand has 247 places, 245 transitions, 1001 flow. Second operand 20 states and 2762 transitions. [2021-11-20 06:19:57,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 445 transitions, 3316 flow [2021-11-20 06:19:57,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 445 transitions, 3213 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-11-20 06:19:57,350 INFO L242 Difference]: Finished difference. Result has 266 places, 308 transitions, 1996 flow [2021-11-20 06:19:57,351 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=966, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1996, PETRI_PLACES=266, PETRI_TRANSITIONS=308} [2021-11-20 06:19:57,352 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 21 predicate places. [2021-11-20 06:19:57,352 INFO L470 AbstractCegarLoop]: Abstraction has has 266 places, 308 transitions, 1996 flow [2021-11-20 06:19:57,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:57,354 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:19:57,354 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:57,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:19:57,355 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:19:57,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:57,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1567703431, now seen corresponding path program 3 times [2021-11-20 06:19:57,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:57,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834410094] [2021-11-20 06:19:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:57,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:58,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:58,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834410094] [2021-11-20 06:19:58,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834410094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:58,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:58,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:19:58,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486997370] [2021-11-20 06:19:58,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:58,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:19:58,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:58,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:19:58,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:19:58,211 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:19:58,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 308 transitions, 1996 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:19:58,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:19:58,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:19:58,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:00,358 INFO L129 PetriNetUnfolder]: 1375/2826 cut-off events. [2021-11-20 06:20:00,359 INFO L130 PetriNetUnfolder]: For 17657/17685 co-relation queries the response was YES. [2021-11-20 06:20:00,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13661 conditions, 2826 events. 1375/2826 cut-off events. For 17657/17685 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 17159 event pairs, 407 based on Foata normal form. 8/2801 useless extension candidates. Maximal degree in co-relation 13473. Up to 1583 conditions per place. [2021-11-20 06:20:00,390 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 233 selfloop transitions, 109 changer transitions 0/453 dead transitions. [2021-11-20 06:20:00,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 453 transitions, 4042 flow [2021-11-20 06:20:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 06:20:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-20 06:20:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2367 transitions. [2021-11-20 06:20:00,400 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5637056442010002 [2021-11-20 06:20:00,400 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2367 transitions. [2021-11-20 06:20:00,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2367 transitions. [2021-11-20 06:20:00,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:00,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2367 transitions. [2021-11-20 06:20:00,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 139.23529411764707) internal successors, (2367), 17 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:00,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:00,420 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:00,420 INFO L186 Difference]: Start difference. First operand has 266 places, 308 transitions, 1996 flow. Second operand 17 states and 2367 transitions. [2021-11-20 06:20:00,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 453 transitions, 4042 flow [2021-11-20 06:20:00,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 453 transitions, 3946 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-11-20 06:20:00,486 INFO L242 Difference]: Finished difference. Result has 281 places, 367 transitions, 3302 flow [2021-11-20 06:20:00,487 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=1924, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3302, PETRI_PLACES=281, PETRI_TRANSITIONS=367} [2021-11-20 06:20:00,488 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 36 predicate places. [2021-11-20 06:20:00,488 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 367 transitions, 3302 flow [2021-11-20 06:20:00,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:00,489 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:00,489 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:00,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:20:00,489 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:00,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash 364378401, now seen corresponding path program 4 times [2021-11-20 06:20:00,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:00,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55984720] [2021-11-20 06:20:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:00,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:01,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:01,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55984720] [2021-11-20 06:20:01,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55984720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:01,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:01,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:01,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269578423] [2021-11-20 06:20:01,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:01,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:01,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:01,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:01,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:01,538 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:01,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 367 transitions, 3302 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:01,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:01,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:01,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:05,270 INFO L129 PetriNetUnfolder]: 1538/3062 cut-off events. [2021-11-20 06:20:05,270 INFO L130 PetriNetUnfolder]: For 28049/28049 co-relation queries the response was YES. [2021-11-20 06:20:05,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17367 conditions, 3062 events. 1538/3062 cut-off events. For 28049/28049 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 18445 event pairs, 403 based on Foata normal form. 8/3038 useless extension candidates. Maximal degree in co-relation 17171. Up to 1504 conditions per place. [2021-11-20 06:20:05,313 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 209 selfloop transitions, 187 changer transitions 0/507 dead transitions. [2021-11-20 06:20:05,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 507 transitions, 5534 flow [2021-11-20 06:20:05,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:20:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:20:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2765 transitions. [2021-11-20 06:20:05,324 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5597165991902834 [2021-11-20 06:20:05,324 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2765 transitions. [2021-11-20 06:20:05,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2765 transitions. [2021-11-20 06:20:05,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:05,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2765 transitions. [2021-11-20 06:20:05,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.25) internal successors, (2765), 20 states have internal predecessors, (2765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:05,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:05,351 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:05,351 INFO L186 Difference]: Start difference. First operand has 281 places, 367 transitions, 3302 flow. Second operand 20 states and 2765 transitions. [2021-11-20 06:20:05,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 507 transitions, 5534 flow [2021-11-20 06:20:05,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 507 transitions, 5397 flow, removed 53 selfloop flow, removed 9 redundant places. [2021-11-20 06:20:05,488 INFO L242 Difference]: Finished difference. Result has 302 places, 431 transitions, 5028 flow [2021-11-20 06:20:05,489 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=3184, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=5028, PETRI_PLACES=302, PETRI_TRANSITIONS=431} [2021-11-20 06:20:05,492 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 57 predicate places. [2021-11-20 06:20:05,492 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 431 transitions, 5028 flow [2021-11-20 06:20:05,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:05,493 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:05,494 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:05,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:20:05,494 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:05,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash 458935901, now seen corresponding path program 5 times [2021-11-20 06:20:05,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:05,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146641404] [2021-11-20 06:20:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:05,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:06,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:06,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146641404] [2021-11-20 06:20:06,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146641404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:06,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:06,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:06,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781105459] [2021-11-20 06:20:06,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:06,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:06,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:06,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:06,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:06,706 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:06,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 431 transitions, 5028 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:06,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:06,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:06,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:09,505 INFO L129 PetriNetUnfolder]: 1830/3611 cut-off events. [2021-11-20 06:20:09,505 INFO L130 PetriNetUnfolder]: For 50991/51019 co-relation queries the response was YES. [2021-11-20 06:20:09,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23551 conditions, 3611 events. 1830/3611 cut-off events. For 50991/51019 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 22781 event pairs, 53 based on Foata normal form. 8/3595 useless extension candidates. Maximal degree in co-relation 23345. Up to 1610 conditions per place. [2021-11-20 06:20:09,564 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 353 selfloop transitions, 196 changer transitions 0/660 dead transitions. [2021-11-20 06:20:09,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 660 transitions, 9600 flow [2021-11-20 06:20:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:20:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:20:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2768 transitions. [2021-11-20 06:20:09,572 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5603238866396761 [2021-11-20 06:20:09,572 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2768 transitions. [2021-11-20 06:20:09,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2768 transitions. [2021-11-20 06:20:09,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:09,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2768 transitions. [2021-11-20 06:20:09,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.4) internal successors, (2768), 20 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:09,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:09,592 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:09,592 INFO L186 Difference]: Start difference. First operand has 302 places, 431 transitions, 5028 flow. Second operand 20 states and 2768 transitions. [2021-11-20 06:20:09,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 660 transitions, 9600 flow [2021-11-20 06:20:09,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 660 transitions, 9340 flow, removed 80 selfloop flow, removed 8 redundant places. [2021-11-20 06:20:09,888 INFO L242 Difference]: Finished difference. Result has 320 places, 510 transitions, 7281 flow [2021-11-20 06:20:09,889 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=4827, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7281, PETRI_PLACES=320, PETRI_TRANSITIONS=510} [2021-11-20 06:20:09,890 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 75 predicate places. [2021-11-20 06:20:09,890 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 510 transitions, 7281 flow [2021-11-20 06:20:09,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:09,892 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:09,892 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:09,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:20:09,892 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:09,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1914038053, now seen corresponding path program 6 times [2021-11-20 06:20:09,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:09,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132153504] [2021-11-20 06:20:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:09,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:10,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:10,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132153504] [2021-11-20 06:20:10,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132153504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:10,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:10,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:10,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872584821] [2021-11-20 06:20:10,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:10,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:10,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:10,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:10,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:10,800 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:10,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 510 transitions, 7281 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:10,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:10,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:10,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:13,434 INFO L129 PetriNetUnfolder]: 1989/3842 cut-off events. [2021-11-20 06:20:13,434 INFO L130 PetriNetUnfolder]: For 74716/74716 co-relation queries the response was YES. [2021-11-20 06:20:13,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28852 conditions, 3842 events. 1989/3842 cut-off events. For 74716/74716 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 24127 event pairs, 138 based on Foata normal form. 8/3824 useless extension candidates. Maximal degree in co-relation 28639. Up to 2191 conditions per place. [2021-11-20 06:20:13,495 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 318 selfloop transitions, 224 changer transitions 0/653 dead transitions. [2021-11-20 06:20:13,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 653 transitions, 10329 flow [2021-11-20 06:20:13,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:20:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 06:20:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2506 transitions. [2021-11-20 06:20:13,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5636527215474584 [2021-11-20 06:20:13,504 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2506 transitions. [2021-11-20 06:20:13,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2506 transitions. [2021-11-20 06:20:13,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:13,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2506 transitions. [2021-11-20 06:20:13,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 139.22222222222223) internal successors, (2506), 18 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:13,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:13,521 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:13,521 INFO L186 Difference]: Start difference. First operand has 320 places, 510 transitions, 7281 flow. Second operand 18 states and 2506 transitions. [2021-11-20 06:20:13,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 653 transitions, 10329 flow [2021-11-20 06:20:13,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 653 transitions, 10005 flow, removed 101 selfloop flow, removed 12 redundant places. [2021-11-20 06:20:13,939 INFO L242 Difference]: Finished difference. Result has 330 places, 554 transitions, 8949 flow [2021-11-20 06:20:13,941 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=7000, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=8949, PETRI_PLACES=330, PETRI_TRANSITIONS=554} [2021-11-20 06:20:13,942 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 85 predicate places. [2021-11-20 06:20:13,942 INFO L470 AbstractCegarLoop]: Abstraction has has 330 places, 554 transitions, 8949 flow [2021-11-20 06:20:13,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:13,943 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:13,943 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:13,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:20:13,944 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:13,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:13,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1317679675, now seen corresponding path program 7 times [2021-11-20 06:20:13,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:13,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182434180] [2021-11-20 06:20:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:13,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:15,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:15,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182434180] [2021-11-20 06:20:15,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182434180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:15,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:15,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:15,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119068908] [2021-11-20 06:20:15,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:15,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:15,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:15,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:15,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:15,132 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:15,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 554 transitions, 8949 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:15,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:15,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:15,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:19,311 INFO L129 PetriNetUnfolder]: 2290/4433 cut-off events. [2021-11-20 06:20:19,312 INFO L130 PetriNetUnfolder]: For 98202/98202 co-relation queries the response was YES. [2021-11-20 06:20:19,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35111 conditions, 4433 events. 2290/4433 cut-off events. For 98202/98202 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 28753 event pairs, 428 based on Foata normal form. 8/4409 useless extension candidates. Maximal degree in co-relation 34893. Up to 2082 conditions per place. [2021-11-20 06:20:19,375 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 257 selfloop transitions, 355 changer transitions 0/723 dead transitions. [2021-11-20 06:20:19,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 723 transitions, 12870 flow [2021-11-20 06:20:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:20:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:20:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2766 transitions. [2021-11-20 06:20:19,385 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.559919028340081 [2021-11-20 06:20:19,385 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2766 transitions. [2021-11-20 06:20:19,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2766 transitions. [2021-11-20 06:20:19,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:19,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2766 transitions. [2021-11-20 06:20:19,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.3) internal successors, (2766), 20 states have internal predecessors, (2766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:19,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:19,404 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:19,404 INFO L186 Difference]: Start difference. First operand has 330 places, 554 transitions, 8949 flow. Second operand 20 states and 2766 transitions. [2021-11-20 06:20:19,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 723 transitions, 12870 flow [2021-11-20 06:20:19,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 723 transitions, 12669 flow, removed 58 selfloop flow, removed 11 redundant places. [2021-11-20 06:20:19,997 INFO L242 Difference]: Finished difference. Result has 349 places, 646 transitions, 12116 flow [2021-11-20 06:20:19,998 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=8752, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=269, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=12116, PETRI_PLACES=349, PETRI_TRANSITIONS=646} [2021-11-20 06:20:19,999 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 104 predicate places. [2021-11-20 06:20:19,999 INFO L470 AbstractCegarLoop]: Abstraction has has 349 places, 646 transitions, 12116 flow [2021-11-20 06:20:20,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:20,000 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:20,001 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:20,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 06:20:20,001 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:20,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1981756155, now seen corresponding path program 8 times [2021-11-20 06:20:20,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:20,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785695638] [2021-11-20 06:20:20,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:20,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:20,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:20,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785695638] [2021-11-20 06:20:20,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785695638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:20,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:20,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:20,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402912174] [2021-11-20 06:20:20,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:20,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:20,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:20,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:20,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:20,776 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:20,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 646 transitions, 12116 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:20,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:20,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:20,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:23,622 INFO L129 PetriNetUnfolder]: 2336/4591 cut-off events. [2021-11-20 06:20:23,622 INFO L130 PetriNetUnfolder]: For 119282/119324 co-relation queries the response was YES. [2021-11-20 06:20:23,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39165 conditions, 4591 events. 2336/4591 cut-off events. For 119282/119324 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 30261 event pairs, 189 based on Foata normal form. 8/4571 useless extension candidates. Maximal degree in co-relation 38936. Up to 2240 conditions per place. [2021-11-20 06:20:23,694 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 437 selfloop transitions, 262 changer transitions 0/810 dead transitions. [2021-11-20 06:20:23,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 810 transitions, 16212 flow [2021-11-20 06:20:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 06:20:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-20 06:20:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2631 transitions. [2021-11-20 06:20:23,700 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.560622203281483 [2021-11-20 06:20:23,700 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2631 transitions. [2021-11-20 06:20:23,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2631 transitions. [2021-11-20 06:20:23,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:23,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2631 transitions. [2021-11-20 06:20:23,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.47368421052633) internal successors, (2631), 19 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:23,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:23,717 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:23,717 INFO L186 Difference]: Start difference. First operand has 349 places, 646 transitions, 12116 flow. Second operand 19 states and 2631 transitions. [2021-11-20 06:20:23,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 810 transitions, 16212 flow [2021-11-20 06:20:24,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 810 transitions, 15622 flow, removed 222 selfloop flow, removed 10 redundant places. [2021-11-20 06:20:24,201 INFO L242 Difference]: Finished difference. Result has 363 places, 667 transitions, 13105 flow [2021-11-20 06:20:24,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=11608, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=646, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=241, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=13105, PETRI_PLACES=363, PETRI_TRANSITIONS=667} [2021-11-20 06:20:24,202 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 118 predicate places. [2021-11-20 06:20:24,202 INFO L470 AbstractCegarLoop]: Abstraction has has 363 places, 667 transitions, 13105 flow [2021-11-20 06:20:24,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:24,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:24,204 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:24,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 06:20:24,204 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:24,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:24,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1047196329, now seen corresponding path program 9 times [2021-11-20 06:20:24,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:24,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226479428] [2021-11-20 06:20:24,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:24,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:24,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:24,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226479428] [2021-11-20 06:20:24,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226479428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:24,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:24,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:24,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578687463] [2021-11-20 06:20:24,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:24,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:24,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:24,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:24,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:24,918 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:24,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 667 transitions, 13105 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:24,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:24,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:24,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:28,372 INFO L129 PetriNetUnfolder]: 2619/5034 cut-off events. [2021-11-20 06:20:28,373 INFO L130 PetriNetUnfolder]: For 147519/147519 co-relation queries the response was YES. [2021-11-20 06:20:28,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46066 conditions, 5034 events. 2619/5034 cut-off events. For 147519/147519 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 33807 event pairs, 160 based on Foata normal form. 8/5020 useless extension candidates. Maximal degree in co-relation 45834. Up to 2976 conditions per place. [2021-11-20 06:20:28,455 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 448 selfloop transitions, 314 changer transitions 0/873 dead transitions. [2021-11-20 06:20:28,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 873 transitions, 18885 flow [2021-11-20 06:20:28,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:20:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 06:20:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2500 transitions. [2021-11-20 06:20:28,461 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5623031938821412 [2021-11-20 06:20:28,461 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2500 transitions. [2021-11-20 06:20:28,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2500 transitions. [2021-11-20 06:20:28,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:28,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2500 transitions. [2021-11-20 06:20:28,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 138.88888888888889) internal successors, (2500), 18 states have internal predecessors, (2500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:28,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:28,477 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:28,477 INFO L186 Difference]: Start difference. First operand has 363 places, 667 transitions, 13105 flow. Second operand 18 states and 2500 transitions. [2021-11-20 06:20:28,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 873 transitions, 18885 flow [2021-11-20 06:20:29,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 873 transitions, 18735 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-11-20 06:20:29,319 INFO L242 Difference]: Finished difference. Result has 375 places, 759 transitions, 17201 flow [2021-11-20 06:20:29,320 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=12961, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17201, PETRI_PLACES=375, PETRI_TRANSITIONS=759} [2021-11-20 06:20:29,321 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 130 predicate places. [2021-11-20 06:20:29,321 INFO L470 AbstractCegarLoop]: Abstraction has has 375 places, 759 transitions, 17201 flow [2021-11-20 06:20:29,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:29,322 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:29,322 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:29,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 06:20:29,323 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:29,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:29,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1130033441, now seen corresponding path program 10 times [2021-11-20 06:20:29,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:29,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496919163] [2021-11-20 06:20:29,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:29,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:29,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:29,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496919163] [2021-11-20 06:20:29,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496919163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:29,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:29,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:29,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960810554] [2021-11-20 06:20:29,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:29,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:29,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:29,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:29,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:30,002 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:30,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 759 transitions, 17201 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:30,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:30,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:30,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:34,038 INFO L129 PetriNetUnfolder]: 2776/5448 cut-off events. [2021-11-20 06:20:34,038 INFO L130 PetriNetUnfolder]: For 192361/192361 co-relation queries the response was YES. [2021-11-20 06:20:34,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53205 conditions, 5448 events. 2776/5448 cut-off events. For 192361/192361 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 37593 event pairs, 643 based on Foata normal form. 8/5424 useless extension candidates. Maximal degree in co-relation 52966. Up to 2696 conditions per place. [2021-11-20 06:20:34,139 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 360 selfloop transitions, 454 changer transitions 0/925 dead transitions. [2021-11-20 06:20:34,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 925 transitions, 22446 flow [2021-11-20 06:20:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 06:20:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-20 06:20:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2372 transitions. [2021-11-20 06:20:34,323 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5648964039056918 [2021-11-20 06:20:34,323 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2372 transitions. [2021-11-20 06:20:34,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2372 transitions. [2021-11-20 06:20:34,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:34,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2372 transitions. [2021-11-20 06:20:34,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 139.52941176470588) internal successors, (2372), 17 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:34,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:34,367 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:34,367 INFO L186 Difference]: Start difference. First operand has 375 places, 759 transitions, 17201 flow. Second operand 17 states and 2372 transitions. [2021-11-20 06:20:34,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 925 transitions, 22446 flow [2021-11-20 06:20:35,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 925 transitions, 22301 flow, removed 34 selfloop flow, removed 10 redundant places. [2021-11-20 06:20:35,339 INFO L242 Difference]: Finished difference. Result has 391 places, 851 transitions, 21974 flow [2021-11-20 06:20:35,340 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=17068, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=759, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=366, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=21974, PETRI_PLACES=391, PETRI_TRANSITIONS=851} [2021-11-20 06:20:35,340 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 146 predicate places. [2021-11-20 06:20:35,340 INFO L470 AbstractCegarLoop]: Abstraction has has 391 places, 851 transitions, 21974 flow [2021-11-20 06:20:35,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:35,341 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:35,341 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:35,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 06:20:35,341 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:35,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:35,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1790632389, now seen corresponding path program 11 times [2021-11-20 06:20:35,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:35,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371193594] [2021-11-20 06:20:35,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:35,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:36,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:36,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371193594] [2021-11-20 06:20:36,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371193594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:36,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:36,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:36,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598149929] [2021-11-20 06:20:36,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:36,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:36,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:36,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:36,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:36,343 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:36,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 851 transitions, 21974 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:36,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:36,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:36,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:41,039 INFO L129 PetriNetUnfolder]: 2850/5644 cut-off events. [2021-11-20 06:20:41,040 INFO L130 PetriNetUnfolder]: For 237691/237810 co-relation queries the response was YES. [2021-11-20 06:20:41,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58601 conditions, 5644 events. 2850/5644 cut-off events. For 237691/237810 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 39629 event pairs, 331 based on Foata normal form. 8/5618 useless extension candidates. Maximal degree in co-relation 58352. Up to 2640 conditions per place. [2021-11-20 06:20:41,138 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 517 selfloop transitions, 402 changer transitions 0/1030 dead transitions. [2021-11-20 06:20:41,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 1030 transitions, 27373 flow [2021-11-20 06:20:41,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:20:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:20:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2768 transitions. [2021-11-20 06:20:41,142 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5603238866396761 [2021-11-20 06:20:41,143 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2768 transitions. [2021-11-20 06:20:41,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2768 transitions. [2021-11-20 06:20:41,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:41,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2768 transitions. [2021-11-20 06:20:41,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.4) internal successors, (2768), 20 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:41,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:41,157 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:41,157 INFO L186 Difference]: Start difference. First operand has 391 places, 851 transitions, 21974 flow. Second operand 20 states and 2768 transitions. [2021-11-20 06:20:41,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 1030 transitions, 27373 flow [2021-11-20 06:20:42,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 1030 transitions, 27132 flow, removed 115 selfloop flow, removed 6 redundant places. [2021-11-20 06:20:42,271 INFO L242 Difference]: Finished difference. Result has 409 places, 881 transitions, 23929 flow [2021-11-20 06:20:42,272 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=21815, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=23929, PETRI_PLACES=409, PETRI_TRANSITIONS=881} [2021-11-20 06:20:42,273 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 164 predicate places. [2021-11-20 06:20:42,273 INFO L470 AbstractCegarLoop]: Abstraction has has 409 places, 881 transitions, 23929 flow [2021-11-20 06:20:42,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:42,274 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:42,274 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:42,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 06:20:42,275 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:42,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:42,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1472800327, now seen corresponding path program 12 times [2021-11-20 06:20:42,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:42,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730887965] [2021-11-20 06:20:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:42,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:43,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:43,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730887965] [2021-11-20 06:20:43,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730887965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:43,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:43,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:43,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73373608] [2021-11-20 06:20:43,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:43,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:43,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:43,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:43,006 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:43,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 881 transitions, 23929 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:43,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:43,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:43,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:47,707 INFO L129 PetriNetUnfolder]: 3059/5902 cut-off events. [2021-11-20 06:20:47,707 INFO L130 PetriNetUnfolder]: For 276358/276358 co-relation queries the response was YES. [2021-11-20 06:20:47,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65771 conditions, 5902 events. 3059/5902 cut-off events. For 276358/276358 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 41017 event pairs, 233 based on Foata normal form. 8/5884 useless extension candidates. Maximal degree in co-relation 65517. Up to 3332 conditions per place. [2021-11-20 06:20:47,853 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 470 selfloop transitions, 447 changer transitions 0/1028 dead transitions. [2021-11-20 06:20:47,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 1028 transitions, 29122 flow [2021-11-20 06:20:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:20:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 06:20:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2505 transitions. [2021-11-20 06:20:47,859 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5634278002699056 [2021-11-20 06:20:47,859 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2505 transitions. [2021-11-20 06:20:47,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2505 transitions. [2021-11-20 06:20:47,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:47,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2505 transitions. [2021-11-20 06:20:47,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 139.16666666666666) internal successors, (2505), 18 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:47,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:47,875 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:47,875 INFO L186 Difference]: Start difference. First operand has 409 places, 881 transitions, 23929 flow. Second operand 18 states and 2505 transitions. [2021-11-20 06:20:47,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 1028 transitions, 29122 flow [2021-11-20 06:20:49,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 1028 transitions, 28414 flow, removed 36 selfloop flow, removed 13 redundant places. [2021-11-20 06:20:49,746 INFO L242 Difference]: Finished difference. Result has 421 places, 950 transitions, 27737 flow [2021-11-20 06:20:49,747 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=23282, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=27737, PETRI_PLACES=421, PETRI_TRANSITIONS=950} [2021-11-20 06:20:49,747 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 176 predicate places. [2021-11-20 06:20:49,747 INFO L470 AbstractCegarLoop]: Abstraction has has 421 places, 950 transitions, 27737 flow [2021-11-20 06:20:49,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:49,748 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:49,748 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:49,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 06:20:49,748 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:49,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:49,749 INFO L85 PathProgramCache]: Analyzing trace with hash -853750051, now seen corresponding path program 13 times [2021-11-20 06:20:49,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:49,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631997284] [2021-11-20 06:20:49,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:49,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:50,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:50,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631997284] [2021-11-20 06:20:50,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631997284] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:50,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:50,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:50,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345741342] [2021-11-20 06:20:50,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:50,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:50,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:50,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:50,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:50,552 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:50,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 950 transitions, 27737 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:50,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:50,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:50,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:20:56,222 INFO L129 PetriNetUnfolder]: 3063/6020 cut-off events. [2021-11-20 06:20:56,222 INFO L130 PetriNetUnfolder]: For 309468/309496 co-relation queries the response was YES. [2021-11-20 06:20:56,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69478 conditions, 6020 events. 3063/6020 cut-off events. For 309468/309496 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 42905 event pairs, 133 based on Foata normal form. 8/6005 useless extension candidates. Maximal degree in co-relation 69216. Up to 2914 conditions per place. [2021-11-20 06:20:56,317 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 560 selfloop transitions, 450 changer transitions 0/1121 dead transitions. [2021-11-20 06:20:56,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1121 transitions, 33183 flow [2021-11-20 06:20:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:20:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:20:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2766 transitions. [2021-11-20 06:20:56,320 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.559919028340081 [2021-11-20 06:20:56,320 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2766 transitions. [2021-11-20 06:20:56,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2766 transitions. [2021-11-20 06:20:56,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:20:56,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2766 transitions. [2021-11-20 06:20:56,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.3) internal successors, (2766), 20 states have internal predecessors, (2766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:56,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:56,330 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:56,330 INFO L186 Difference]: Start difference. First operand has 421 places, 950 transitions, 27737 flow. Second operand 20 states and 2766 transitions. [2021-11-20 06:20:56,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1121 transitions, 33183 flow [2021-11-20 06:20:58,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1121 transitions, 32840 flow, removed 156 selfloop flow, removed 9 redundant places. [2021-11-20 06:20:58,216 INFO L242 Difference]: Finished difference. Result has 435 places, 968 transitions, 29347 flow [2021-11-20 06:20:58,217 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=27482, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=435, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=29347, PETRI_PLACES=435, PETRI_TRANSITIONS=968} [2021-11-20 06:20:58,217 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 190 predicate places. [2021-11-20 06:20:58,218 INFO L470 AbstractCegarLoop]: Abstraction has has 435 places, 968 transitions, 29347 flow [2021-11-20 06:20:58,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:58,218 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:20:58,218 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:58,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 06:20:58,219 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:20:58,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:58,219 INFO L85 PathProgramCache]: Analyzing trace with hash -339468379, now seen corresponding path program 14 times [2021-11-20 06:20:58,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:58,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024970669] [2021-11-20 06:20:58,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:58,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:20:58,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:58,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024970669] [2021-11-20 06:20:58,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024970669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:58,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:58,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:20:58,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852504135] [2021-11-20 06:20:58,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:58,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:20:58,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:58,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:20:58,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:20:58,952 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:20:58,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 968 transitions, 29347 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:20:58,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:20:58,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:20:58,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:21:04,582 INFO L129 PetriNetUnfolder]: 3167/6178 cut-off events. [2021-11-20 06:21:04,583 INFO L130 PetriNetUnfolder]: For 346656/346656 co-relation queries the response was YES. [2021-11-20 06:21:04,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75215 conditions, 6178 events. 3167/6178 cut-off events. For 346656/346656 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 43696 event pairs, 301 based on Foata normal form. 8/6159 useless extension candidates. Maximal degree in co-relation 74949. Up to 3454 conditions per place. [2021-11-20 06:21:04,700 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 499 selfloop transitions, 493 changer transitions 0/1103 dead transitions. [2021-11-20 06:21:04,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 1103 transitions, 34649 flow [2021-11-20 06:21:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:21:04,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 06:21:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2503 transitions. [2021-11-20 06:21:04,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5629779577147999 [2021-11-20 06:21:04,705 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2503 transitions. [2021-11-20 06:21:04,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2503 transitions. [2021-11-20 06:21:04,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:21:04,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2503 transitions. [2021-11-20 06:21:04,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 139.05555555555554) internal successors, (2503), 18 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:04,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:04,715 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:04,716 INFO L186 Difference]: Start difference. First operand has 435 places, 968 transitions, 29347 flow. Second operand 18 states and 2503 transitions. [2021-11-20 06:21:04,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 1103 transitions, 34649 flow [2021-11-20 06:21:06,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 1103 transitions, 34376 flow, removed 26 selfloop flow, removed 14 redundant places. [2021-11-20 06:21:06,971 INFO L242 Difference]: Finished difference. Result has 447 places, 1028 transitions, 33722 flow [2021-11-20 06:21:06,972 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=29088, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=33722, PETRI_PLACES=447, PETRI_TRANSITIONS=1028} [2021-11-20 06:21:06,973 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 202 predicate places. [2021-11-20 06:21:06,973 INFO L470 AbstractCegarLoop]: Abstraction has has 447 places, 1028 transitions, 33722 flow [2021-11-20 06:21:06,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:06,974 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:21:06,974 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:06,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 06:21:06,974 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:21:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:06,975 INFO L85 PathProgramCache]: Analyzing trace with hash -890524697, now seen corresponding path program 15 times [2021-11-20 06:21:06,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:06,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779002942] [2021-11-20 06:21:06,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:06,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:21:07,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:07,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779002942] [2021-11-20 06:21:07,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779002942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:07,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:07,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:21:07,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691140752] [2021-11-20 06:21:07,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:07,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:21:07,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:07,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:21:07,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:21:07,890 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:21:07,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 1028 transitions, 33722 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:07,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:21:07,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:21:07,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:21:15,136 INFO L129 PetriNetUnfolder]: 3367/6672 cut-off events. [2021-11-20 06:21:15,137 INFO L130 PetriNetUnfolder]: For 425704/425746 co-relation queries the response was YES. [2021-11-20 06:21:15,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84499 conditions, 6672 events. 3367/6672 cut-off events. For 425704/425746 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 48342 event pairs, 524 based on Foata normal form. 8/6646 useless extension candidates. Maximal degree in co-relation 84224. Up to 3764 conditions per place. [2021-11-20 06:21:15,287 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 561 selfloop transitions, 510 changer transitions 0/1182 dead transitions. [2021-11-20 06:21:15,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 1182 transitions, 39545 flow [2021-11-20 06:21:15,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:21:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:21:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2769 transitions. [2021-11-20 06:21:15,292 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5605263157894737 [2021-11-20 06:21:15,292 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2769 transitions. [2021-11-20 06:21:15,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2769 transitions. [2021-11-20 06:21:15,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:21:15,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2769 transitions. [2021-11-20 06:21:15,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.45) internal successors, (2769), 20 states have internal predecessors, (2769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:15,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:15,306 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:15,306 INFO L186 Difference]: Start difference. First operand has 447 places, 1028 transitions, 33722 flow. Second operand 20 states and 2769 transitions. [2021-11-20 06:21:15,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 1182 transitions, 39545 flow [2021-11-20 06:21:17,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 1182 transitions, 39315 flow, removed 102 selfloop flow, removed 8 redundant places. [2021-11-20 06:21:17,980 INFO L242 Difference]: Finished difference. Result has 466 places, 1088 transitions, 38215 flow [2021-11-20 06:21:17,981 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=33502, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=38215, PETRI_PLACES=466, PETRI_TRANSITIONS=1088} [2021-11-20 06:21:17,981 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 221 predicate places. [2021-11-20 06:21:17,982 INFO L470 AbstractCegarLoop]: Abstraction has has 466 places, 1088 transitions, 38215 flow [2021-11-20 06:21:17,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:17,982 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:21:17,982 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:17,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 06:21:17,983 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:21:17,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:17,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1641195515, now seen corresponding path program 16 times [2021-11-20 06:21:17,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:17,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701209870] [2021-11-20 06:21:17,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:17,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:21:19,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:19,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701209870] [2021-11-20 06:21:19,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701209870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:19,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:19,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:21:19,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767613397] [2021-11-20 06:21:19,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:19,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:21:19,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:19,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:21:19,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:21:19,143 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:21:19,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 1088 transitions, 38215 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:19,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:21:19,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:21:19,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:21:26,418 INFO L129 PetriNetUnfolder]: 3554/6958 cut-off events. [2021-11-20 06:21:26,419 INFO L130 PetriNetUnfolder]: For 508459/508501 co-relation queries the response was YES. [2021-11-20 06:21:26,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93427 conditions, 6958 events. 3554/6958 cut-off events. For 508459/508501 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 50730 event pairs, 502 based on Foata normal form. 8/6933 useless extension candidates. Maximal degree in co-relation 93144. Up to 3814 conditions per place. [2021-11-20 06:21:26,759 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 579 selfloop transitions, 568 changer transitions 0/1258 dead transitions. [2021-11-20 06:21:26,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 1258 transitions, 45151 flow [2021-11-20 06:21:26,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:21:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:21:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-11-20 06:21:26,763 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-11-20 06:21:26,763 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-11-20 06:21:26,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-11-20 06:21:26,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:21:26,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-11-20 06:21:26,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:26,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:26,774 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:26,774 INFO L186 Difference]: Start difference. First operand has 466 places, 1088 transitions, 38215 flow. Second operand 20 states and 2767 transitions. [2021-11-20 06:21:26,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 1258 transitions, 45151 flow [2021-11-20 06:21:29,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 1258 transitions, 44685 flow, removed 183 selfloop flow, removed 11 redundant places. [2021-11-20 06:21:30,024 INFO L242 Difference]: Finished difference. Result has 482 places, 1164 transitions, 43142 flow [2021-11-20 06:21:30,025 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=37823, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1088, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=500, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=43142, PETRI_PLACES=482, PETRI_TRANSITIONS=1164} [2021-11-20 06:21:30,026 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 237 predicate places. [2021-11-20 06:21:30,026 INFO L470 AbstractCegarLoop]: Abstraction has has 482 places, 1164 transitions, 43142 flow [2021-11-20 06:21:30,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:30,027 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:21:30,027 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:30,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 06:21:30,027 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:21:30,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:30,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1053142789, now seen corresponding path program 17 times [2021-11-20 06:21:30,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:30,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935919371] [2021-11-20 06:21:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:30,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:21:30,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:30,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935919371] [2021-11-20 06:21:30,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935919371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:30,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:30,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:21:30,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178783119] [2021-11-20 06:21:30,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:30,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:21:30,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:30,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:21:30,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:21:30,745 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:21:30,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 1164 transitions, 43142 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:30,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:21:30,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:21:30,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:21:38,382 INFO L129 PetriNetUnfolder]: 3621/7044 cut-off events. [2021-11-20 06:21:38,382 INFO L130 PetriNetUnfolder]: For 570405/570450 co-relation queries the response was YES. [2021-11-20 06:21:38,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99518 conditions, 7044 events. 3621/7044 cut-off events. For 570405/570450 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 51217 event pairs, 234 based on Foata normal form. 10/7027 useless extension candidates. Maximal degree in co-relation 99227. Up to 4084 conditions per place. [2021-11-20 06:21:38,528 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 596 selfloop transitions, 577 changer transitions 0/1284 dead transitions. [2021-11-20 06:21:38,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 1284 transitions, 47968 flow [2021-11-20 06:21:38,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 06:21:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-20 06:21:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2636 transitions. [2021-11-20 06:21:38,531 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.561687619859365 [2021-11-20 06:21:38,532 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2636 transitions. [2021-11-20 06:21:38,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2636 transitions. [2021-11-20 06:21:38,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:21:38,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2636 transitions. [2021-11-20 06:21:38,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.73684210526315) internal successors, (2636), 19 states have internal predecessors, (2636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:38,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:38,539 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:38,539 INFO L186 Difference]: Start difference. First operand has 482 places, 1164 transitions, 43142 flow. Second operand 19 states and 2636 transitions. [2021-11-20 06:21:38,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 1284 transitions, 47968 flow [2021-11-20 06:21:42,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 1284 transitions, 47382 flow, removed 275 selfloop flow, removed 8 redundant places. [2021-11-20 06:21:42,472 INFO L242 Difference]: Finished difference. Result has 497 places, 1195 transitions, 46493 flow [2021-11-20 06:21:42,474 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=42664, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=547, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=46493, PETRI_PLACES=497, PETRI_TRANSITIONS=1195} [2021-11-20 06:21:42,475 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 252 predicate places. [2021-11-20 06:21:42,475 INFO L470 AbstractCegarLoop]: Abstraction has has 497 places, 1195 transitions, 46493 flow [2021-11-20 06:21:42,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:42,476 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:21:42,476 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:42,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 06:21:42,477 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:21:42,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash 385011473, now seen corresponding path program 18 times [2021-11-20 06:21:42,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:42,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611510640] [2021-11-20 06:21:42,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:42,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:21:43,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:43,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611510640] [2021-11-20 06:21:43,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611510640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:43,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:43,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:21:43,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118892882] [2021-11-20 06:21:43,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:43,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:21:43,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:21:43,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:21:43,377 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:21:43,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 1195 transitions, 46493 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:43,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:21:43,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:21:43,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:21:51,515 INFO L129 PetriNetUnfolder]: 3751/7262 cut-off events. [2021-11-20 06:21:51,516 INFO L130 PetriNetUnfolder]: For 638852/638908 co-relation queries the response was YES. [2021-11-20 06:21:51,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106133 conditions, 7262 events. 3751/7262 cut-off events. For 638852/638908 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 52967 event pairs, 266 based on Foata normal form. 10/7245 useless extension candidates. Maximal degree in co-relation 105837. Up to 4168 conditions per place. [2021-11-20 06:21:51,707 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 610 selfloop transitions, 599 changer transitions 0/1320 dead transitions. [2021-11-20 06:21:51,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 1320 transitions, 51625 flow [2021-11-20 06:21:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:21:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:21:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2771 transitions. [2021-11-20 06:21:51,711 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5609311740890688 [2021-11-20 06:21:51,712 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2771 transitions. [2021-11-20 06:21:51,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2771 transitions. [2021-11-20 06:21:51,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:21:51,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2771 transitions. [2021-11-20 06:21:51,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.55) internal successors, (2771), 20 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:51,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:51,723 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:51,723 INFO L186 Difference]: Start difference. First operand has 497 places, 1195 transitions, 46493 flow. Second operand 20 states and 2771 transitions. [2021-11-20 06:21:51,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 1320 transitions, 51625 flow [2021-11-20 06:21:55,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 1320 transitions, 51338 flow, removed 41 selfloop flow, removed 13 redundant places. [2021-11-20 06:21:56,012 INFO L242 Difference]: Finished difference. Result has 509 places, 1231 transitions, 49539 flow [2021-11-20 06:21:56,013 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=46220, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=567, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=49539, PETRI_PLACES=509, PETRI_TRANSITIONS=1231} [2021-11-20 06:21:56,013 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 264 predicate places. [2021-11-20 06:21:56,014 INFO L470 AbstractCegarLoop]: Abstraction has has 509 places, 1231 transitions, 49539 flow [2021-11-20 06:21:56,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:56,014 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:21:56,014 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:56,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-20 06:21:56,015 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:21:56,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:56,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1232834509, now seen corresponding path program 19 times [2021-11-20 06:21:56,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:56,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318107671] [2021-11-20 06:21:56,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:56,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:21:56,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:56,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318107671] [2021-11-20 06:21:56,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318107671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:56,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:56,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:21:56,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754886414] [2021-11-20 06:21:56,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:56,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:21:56,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:56,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:21:56,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:21:56,754 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:21:56,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 1231 transitions, 49539 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:21:56,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:21:56,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:21:56,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:22:03,880 INFO L129 PetriNetUnfolder]: 3791/7338 cut-off events. [2021-11-20 06:22:03,880 INFO L130 PetriNetUnfolder]: For 680204/680260 co-relation queries the response was YES. [2021-11-20 06:22:04,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110180 conditions, 7338 events. 3791/7338 cut-off events. For 680204/680260 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 53673 event pairs, 242 based on Foata normal form. 10/7321 useless extension candidates. Maximal degree in co-relation 109878. Up to 4266 conditions per place. [2021-11-20 06:22:04,239 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 615 selfloop transitions, 609 changer transitions 0/1335 dead transitions. [2021-11-20 06:22:04,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 1335 transitions, 53460 flow [2021-11-20 06:22:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:22:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:22:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-11-20 06:22:04,242 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-11-20 06:22:04,243 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-11-20 06:22:04,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-11-20 06:22:04,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:22:04,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-11-20 06:22:04,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:04,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:04,253 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:04,253 INFO L186 Difference]: Start difference. First operand has 509 places, 1231 transitions, 49539 flow. Second operand 20 states and 2767 transitions. [2021-11-20 06:22:04,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 1335 transitions, 53460 flow [2021-11-20 06:22:09,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 1335 transitions, 53036 flow, removed 137 selfloop flow, removed 11 redundant places. [2021-11-20 06:22:09,226 INFO L242 Difference]: Finished difference. Result has 521 places, 1247 transitions, 51770 flow [2021-11-20 06:22:09,227 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=49127, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=596, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=51770, PETRI_PLACES=521, PETRI_TRANSITIONS=1247} [2021-11-20 06:22:09,228 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 276 predicate places. [2021-11-20 06:22:09,228 INFO L470 AbstractCegarLoop]: Abstraction has has 521 places, 1247 transitions, 51770 flow [2021-11-20 06:22:09,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:09,230 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:22:09,230 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:09,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-20 06:22:09,230 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:22:09,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:09,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1342940543, now seen corresponding path program 20 times [2021-11-20 06:22:09,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:09,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129895703] [2021-11-20 06:22:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:09,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:22:10,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:10,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129895703] [2021-11-20 06:22:10,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129895703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:10,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:10,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:22:10,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640494434] [2021-11-20 06:22:10,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:10,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:22:10,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:10,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:22:10,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:22:10,332 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:22:10,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 1247 transitions, 51770 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:10,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:22:10,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:22:10,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:22:18,798 INFO L129 PetriNetUnfolder]: 3789/7336 cut-off events. [2021-11-20 06:22:18,799 INFO L130 PetriNetUnfolder]: For 714799/714855 co-relation queries the response was YES. [2021-11-20 06:22:18,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112825 conditions, 7336 events. 3789/7336 cut-off events. For 714799/714855 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 53601 event pairs, 258 based on Foata normal form. 10/7319 useless extension candidates. Maximal degree in co-relation 112519. Up to 4162 conditions per place. [2021-11-20 06:22:19,016 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 608 selfloop transitions, 632 changer transitions 0/1351 dead transitions. [2021-11-20 06:22:19,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 1351 transitions, 55859 flow [2021-11-20 06:22:19,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:22:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:22:19,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-11-20 06:22:19,019 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-11-20 06:22:19,020 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-11-20 06:22:19,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-11-20 06:22:19,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:22:19,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-11-20 06:22:19,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:19,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:19,030 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:19,031 INFO L186 Difference]: Start difference. First operand has 521 places, 1247 transitions, 51770 flow. Second operand 20 states and 2767 transitions. [2021-11-20 06:22:19,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 1351 transitions, 55859 flow [2021-11-20 06:22:23,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1351 transitions, 55585 flow, removed 66 selfloop flow, removed 12 redundant places. [2021-11-20 06:22:24,034 INFO L242 Difference]: Finished difference. Result has 532 places, 1268 transitions, 53950 flow [2021-11-20 06:22:24,036 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=51497, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=614, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=53950, PETRI_PLACES=532, PETRI_TRANSITIONS=1268} [2021-11-20 06:22:24,036 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 287 predicate places. [2021-11-20 06:22:24,036 INFO L470 AbstractCegarLoop]: Abstraction has has 532 places, 1268 transitions, 53950 flow [2021-11-20 06:22:24,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:24,037 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:22:24,037 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:24,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-20 06:22:24,038 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:22:24,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:24,038 INFO L85 PathProgramCache]: Analyzing trace with hash -304435319, now seen corresponding path program 21 times [2021-11-20 06:22:24,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:24,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731965162] [2021-11-20 06:22:24,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:24,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:22:24,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:24,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731965162] [2021-11-20 06:22:24,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731965162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:24,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:24,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:22:24,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291879124] [2021-11-20 06:22:24,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:24,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:22:24,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:24,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:22:24,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:22:24,653 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:22:24,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1268 transitions, 53950 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:24,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:22:24,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:22:24,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:22:33,308 INFO L129 PetriNetUnfolder]: 3835/7476 cut-off events. [2021-11-20 06:22:33,308 INFO L130 PetriNetUnfolder]: For 760133/760177 co-relation queries the response was YES. [2021-11-20 06:22:33,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117334 conditions, 7476 events. 3835/7476 cut-off events. For 760133/760177 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 55280 event pairs, 586 based on Foata normal form. 10/7452 useless extension candidates. Maximal degree in co-relation 117024. Up to 4356 conditions per place. [2021-11-20 06:22:33,556 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 644 selfloop transitions, 612 changer transitions 0/1367 dead transitions. [2021-11-20 06:22:33,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 1367 transitions, 58275 flow [2021-11-20 06:22:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 06:22:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-20 06:22:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2631 transitions. [2021-11-20 06:22:33,560 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.560622203281483 [2021-11-20 06:22:33,560 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2631 transitions. [2021-11-20 06:22:33,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2631 transitions. [2021-11-20 06:22:33,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:22:33,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2631 transitions. [2021-11-20 06:22:33,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.47368421052633) internal successors, (2631), 19 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:33,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:33,571 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:33,571 INFO L186 Difference]: Start difference. First operand has 532 places, 1268 transitions, 53950 flow. Second operand 19 states and 2631 transitions. [2021-11-20 06:22:33,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 1367 transitions, 58275 flow [2021-11-20 06:22:38,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 1367 transitions, 57655 flow, removed 180 selfloop flow, removed 13 redundant places. [2021-11-20 06:22:38,927 INFO L242 Difference]: Finished difference. Result has 542 places, 1287 transitions, 56439 flow [2021-11-20 06:22:38,929 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=53336, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=593, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=56439, PETRI_PLACES=542, PETRI_TRANSITIONS=1287} [2021-11-20 06:22:38,929 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 297 predicate places. [2021-11-20 06:22:38,930 INFO L470 AbstractCegarLoop]: Abstraction has has 542 places, 1287 transitions, 56439 flow [2021-11-20 06:22:38,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:38,930 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:22:38,931 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:38,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-20 06:22:38,931 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:22:38,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:38,932 INFO L85 PathProgramCache]: Analyzing trace with hash 328509563, now seen corresponding path program 22 times [2021-11-20 06:22:38,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:38,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619037522] [2021-11-20 06:22:38,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:38,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:22:39,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:39,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619037522] [2021-11-20 06:22:39,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619037522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:39,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:39,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:22:39,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725067372] [2021-11-20 06:22:39,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:39,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:22:39,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:39,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:22:39,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:22:39,712 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:22:39,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 1287 transitions, 56439 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:39,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:22:39,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:22:39,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:22:49,036 INFO L129 PetriNetUnfolder]: 3839/7442 cut-off events. [2021-11-20 06:22:49,036 INFO L130 PetriNetUnfolder]: For 807369/807425 co-relation queries the response was YES. [2021-11-20 06:22:49,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120281 conditions, 7442 events. 3839/7442 cut-off events. For 807369/807425 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 54719 event pairs, 266 based on Foata normal form. 10/7424 useless extension candidates. Maximal degree in co-relation 119966. Up to 4326 conditions per place. [2021-11-20 06:22:49,270 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 649 selfloop transitions, 628 changer transitions 0/1388 dead transitions. [2021-11-20 06:22:49,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 1388 transitions, 60777 flow [2021-11-20 06:22:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:22:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:22:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2766 transitions. [2021-11-20 06:22:49,274 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.559919028340081 [2021-11-20 06:22:49,275 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2766 transitions. [2021-11-20 06:22:49,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2766 transitions. [2021-11-20 06:22:49,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:22:49,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2766 transitions. [2021-11-20 06:22:49,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.3) internal successors, (2766), 20 states have internal predecessors, (2766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:49,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:49,285 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:49,286 INFO L186 Difference]: Start difference. First operand has 542 places, 1287 transitions, 56439 flow. Second operand 20 states and 2766 transitions. [2021-11-20 06:22:49,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 1388 transitions, 60777 flow [2021-11-20 06:22:55,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 1388 transitions, 60103 flow, removed 262 selfloop flow, removed 11 redundant places. [2021-11-20 06:22:55,387 INFO L242 Difference]: Finished difference. Result has 554 places, 1307 transitions, 58403 flow [2021-11-20 06:22:55,389 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=55903, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=611, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=58403, PETRI_PLACES=554, PETRI_TRANSITIONS=1307} [2021-11-20 06:22:55,389 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 309 predicate places. [2021-11-20 06:22:55,389 INFO L470 AbstractCegarLoop]: Abstraction has has 554 places, 1307 transitions, 58403 flow [2021-11-20 06:22:55,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:55,390 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:22:55,390 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:22:55,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-20 06:22:55,391 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:22:55,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:55,392 INFO L85 PathProgramCache]: Analyzing trace with hash 484945551, now seen corresponding path program 23 times [2021-11-20 06:22:55,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:55,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290913479] [2021-11-20 06:22:55,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:55,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:22:56,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:56,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290913479] [2021-11-20 06:22:56,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290913479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:56,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:56,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:22:56,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031868858] [2021-11-20 06:22:56,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:56,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:22:56,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:56,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:22:56,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:22:56,435 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:22:56,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 1307 transitions, 58403 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:56,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:22:56,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:22:56,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:23:06,403 INFO L129 PetriNetUnfolder]: 4011/7767 cut-off events. [2021-11-20 06:23:06,404 INFO L130 PetriNetUnfolder]: For 870667/870681 co-relation queries the response was YES. [2021-11-20 06:23:06,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126955 conditions, 7767 events. 4011/7767 cut-off events. For 870667/870681 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 57388 event pairs, 361 based on Foata normal form. 11/7749 useless extension candidates. Maximal degree in co-relation 126636. Up to 4170 conditions per place. [2021-11-20 06:23:06,890 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 625 selfloop transitions, 726 changer transitions 0/1462 dead transitions. [2021-11-20 06:23:06,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 1462 transitions, 64986 flow [2021-11-20 06:23:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:23:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-20 06:23:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-11-20 06:23:06,893 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-11-20 06:23:06,894 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-11-20 06:23:06,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-11-20 06:23:06,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:23:06,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-11-20 06:23:06,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:23:06,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:23:06,900 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:23:06,900 INFO L186 Difference]: Start difference. First operand has 554 places, 1307 transitions, 58403 flow. Second operand 20 states and 2767 transitions. [2021-11-20 06:23:06,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 1462 transitions, 64986 flow [2021-11-20 06:23:12,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 1462 transitions, 64702 flow, removed 33 selfloop flow, removed 13 redundant places. [2021-11-20 06:23:12,788 INFO L242 Difference]: Finished difference. Result has 567 places, 1382 transitions, 63075 flow [2021-11-20 06:23:12,789 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=58119, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=655, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=636, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=63075, PETRI_PLACES=567, PETRI_TRANSITIONS=1382} [2021-11-20 06:23:12,789 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 322 predicate places. [2021-11-20 06:23:12,790 INFO L470 AbstractCegarLoop]: Abstraction has has 567 places, 1382 transitions, 63075 flow [2021-11-20 06:23:12,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:23:12,790 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:23:12,790 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:23:12,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-20 06:23:12,791 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:23:12,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:23:12,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1704788835, now seen corresponding path program 24 times [2021-11-20 06:23:12,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:23:12,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879304314] [2021-11-20 06:23:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:23:12,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:23:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:23:13,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:23:13,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:23:13,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879304314] [2021-11-20 06:23:13,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879304314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:23:13,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:23:13,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:23:13,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250627276] [2021-11-20 06:23:13,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:23:13,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:23:13,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:23:13,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:23:13,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:23:13,512 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-11-20 06:23:13,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 1382 transitions, 63075 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:23:13,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:23:13,527 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-11-20 06:23:13,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand