./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/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_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:06:29,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:06:29,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:06:29,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:06:29,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:06:29,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:06:29,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:06:29,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:06:29,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:06:29,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:06:29,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:06:29,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:06:29,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:06:29,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:06:29,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:06:29,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:06:29,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:06:29,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:06:29,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:06:29,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:06:29,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:06:29,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:06:29,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:06:29,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:06:29,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:06:29,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:06:29,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:06:29,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:06:29,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:06:29,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:06:29,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:06:29,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:06:29,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:06:29,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:06:29,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:06:29,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:06:29,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:06:29,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:06:29,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:06:29,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:06:29,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:06:29,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:06:29,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:06:29,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:06:29,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:06:29,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:06:29,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:06:29,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:06:29,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:06:29,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:06:29,568 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:06:29,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:06:29,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:06:29,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:06:29,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:06:29,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:06:29,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:06:29,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:06:29,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:06:29,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:06:29,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:06:29,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:06:29,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:06:29,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:06:29,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:06:29,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:06:29,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:06:29,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:06:29,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:06:29,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:06:29,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:06:29,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:06:29,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:06:29,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:06:29,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:06:29,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:06:29,577 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_f033066e-acab-4c73-b9b4-437e12b2de22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2021-11-20 06:06:29,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:06:29,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:06:29,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:06:29,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:06:29,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:06:29,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread/queue.i [2021-11-20 06:06:29,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/data/ee5f1d13c/44a4cdcebb4b4f1dacdc83247dd4e08d/FLAG3ba714a67 [2021-11-20 06:06:30,540 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:06:30,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/sv-benchmarks/c/pthread/queue.i [2021-11-20 06:06:30,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/data/ee5f1d13c/44a4cdcebb4b4f1dacdc83247dd4e08d/FLAG3ba714a67 [2021-11-20 06:06:30,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/data/ee5f1d13c/44a4cdcebb4b4f1dacdc83247dd4e08d [2021-11-20 06:06:30,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:06:30,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:06:30,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:06:30,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:06:30,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:06:30,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:06:30" (1/1) ... [2021-11-20 06:06:30,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4497d00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:30, skipping insertion in model container [2021-11-20 06:06:30,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:06:30" (1/1) ... [2021-11-20 06:06:30,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:06:30,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:06:31,532 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_f033066e-acab-4c73-b9b4-437e12b2de22/sv-benchmarks/c/pthread/queue.i[43284,43297] [2021-11-20 06:06:31,541 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_f033066e-acab-4c73-b9b4-437e12b2de22/sv-benchmarks/c/pthread/queue.i[43491,43504] [2021-11-20 06:06:31,548 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_f033066e-acab-4c73-b9b4-437e12b2de22/sv-benchmarks/c/pthread/queue.i[43772,43785] [2021-11-20 06:06:31,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:06:31,566 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:06:31,628 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_f033066e-acab-4c73-b9b4-437e12b2de22/sv-benchmarks/c/pthread/queue.i[43284,43297] [2021-11-20 06:06:31,630 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_f033066e-acab-4c73-b9b4-437e12b2de22/sv-benchmarks/c/pthread/queue.i[43491,43504] [2021-11-20 06:06:31,634 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_f033066e-acab-4c73-b9b4-437e12b2de22/sv-benchmarks/c/pthread/queue.i[43772,43785] [2021-11-20 06:06:31,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:06:31,701 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:06:31,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31 WrapperNode [2021-11-20 06:06:31,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:06:31,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:06:31,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:06:31,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:06:31,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,770 INFO L137 Inliner]: procedures = 274, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244 [2021-11-20 06:06:31,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:06:31,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:06:31,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:06:31,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:06:31,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:06:31,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:06:31,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:06:31,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:06:31,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (1/1) ... [2021-11-20 06:06:31,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:06:31,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:06:31,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:06:31,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f033066e-acab-4c73-b9b4-437e12b2de22/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-20 06:06:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-20 06:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-20 06:06:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-20 06:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 06:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:06:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:06:31,911 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 06:06:32,103 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:06:32,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:06:32,562 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:06:32,573 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:06:32,573 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:06:32,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:06:32 BoogieIcfgContainer [2021-11-20 06:06:32,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:06:32,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:06:32,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:06:32,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:06:32,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:06:30" (1/3) ... [2021-11-20 06:06:32,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdbf9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:06:32, skipping insertion in model container [2021-11-20 06:06:32,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:31" (2/3) ... [2021-11-20 06:06:32,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdbf9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:06:32, skipping insertion in model container [2021-11-20 06:06:32,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:06:32" (3/3) ... [2021-11-20 06:06:32,584 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2021-11-20 06:06:32,590 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:06:32,590 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:06:32,590 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 06:06:32,591 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:06:32,641 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,642 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,642 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,642 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,642 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,644 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,644 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,644 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,644 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,645 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,645 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,645 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,645 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,647 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,647 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,647 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,647 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,647 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,652 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,652 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,652 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,652 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,652 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,652 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,653 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,653 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,653 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,653 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,653 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,654 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,654 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,654 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,654 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,654 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,654 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,655 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,655 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,655 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,655 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,655 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,656 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,656 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,656 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,656 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,656 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,657 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,657 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,657 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,657 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,657 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,657 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,658 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,658 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,658 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,658 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,658 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,659 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,659 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,659 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,659 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,659 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,659 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,660 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,660 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,660 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,660 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,660 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,660 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,661 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,661 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,661 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,661 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,661 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,662 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,662 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,662 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,662 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,662 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,665 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,665 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,665 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,665 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,665 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,666 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,666 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,666 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,666 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,666 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,666 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,667 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,667 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,667 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,667 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,667 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,668 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,668 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,668 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,668 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,668 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,668 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,669 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,669 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,669 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,669 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,669 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,670 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,670 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,670 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,670 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,670 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,671 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,671 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,671 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,671 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,671 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,671 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,672 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,672 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,672 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,672 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,672 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,672 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,672 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,673 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,673 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,673 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,673 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,673 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,673 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,674 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,674 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,674 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,674 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,674 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,674 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,675 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,675 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,675 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,675 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,675 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,675 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,676 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,676 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,676 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,676 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,676 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,676 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,677 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,677 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,677 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,677 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,677 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,677 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,678 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,678 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,678 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,678 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,678 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,678 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,679 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,679 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,679 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,679 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,679 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,680 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,680 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,680 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,680 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,680 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,680 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,681 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,681 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,681 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,681 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,681 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,682 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,682 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,682 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,682 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,682 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,682 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,683 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,683 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,683 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,683 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,683 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,684 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,684 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,684 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,684 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,684 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,684 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,685 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,685 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,685 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,685 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,685 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,686 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,686 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,686 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,686 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,686 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,686 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,687 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,687 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,687 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,687 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,687 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,687 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,688 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,688 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,688 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,688 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,688 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,688 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,689 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,689 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,689 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,689 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,689 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,689 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,698 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,698 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,698 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,698 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,718 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,718 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,718 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,718 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,718 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,722 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,722 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,723 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,723 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,723 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,726 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,731 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,731 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,731 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,739 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,748 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,748 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,748 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,748 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,749 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,749 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,749 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,749 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,749 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,758 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,758 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,758 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,782 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,782 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,782 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,782 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,787 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,788 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,788 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,788 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,788 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,788 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,789 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,789 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,789 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,790 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,791 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,791 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,791 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,791 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:06:32,803 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-20 06:06:32,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:06:32,884 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 06:06:32,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-20 06:06:32,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 266 places, 274 transitions, 564 flow [2021-11-20 06:06:33,041 INFO L129 PetriNetUnfolder]: 15/272 cut-off events. [2021-11-20 06:06:33,041 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 06:06:33,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 272 events. 15/272 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 363 event pairs, 0 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2021-11-20 06:06:33,058 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 274 transitions, 564 flow [2021-11-20 06:06:33,065 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 254 places, 262 transitions, 533 flow [2021-11-20 06:06:33,076 INFO L129 PetriNetUnfolder]: 1/64 cut-off events. [2021-11-20 06:06:33,077 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:06:33,077 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:33,077 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] [2021-11-20 06:06:33,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:33,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:33,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1738925689, now seen corresponding path program 1 times [2021-11-20 06:06:33,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:33,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029188181] [2021-11-20 06:06:33,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:33,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:33,352 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 06:06:33,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:33,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029188181] [2021-11-20 06:06:33,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029188181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:33,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:33,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:06:33,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699433385] [2021-11-20 06:06:33,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:33,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:06:33,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:33,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:06:33,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:06:33,410 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 274 [2021-11-20 06:06:33,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 262 transitions, 533 flow. Second operand has 2 states, 2 states have (on average 261.5) internal successors, (523), 2 states have internal predecessors, (523), 0 states have call successors, (0), 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 06:06:33,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:33,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 274 [2021-11-20 06:06:33,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:33,512 INFO L129 PetriNetUnfolder]: 10/251 cut-off events. [2021-11-20 06:06:33,513 INFO L130 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2021-11-20 06:06:33,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 251 events. 10/251 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 278 event pairs, 0 based on Foata normal form. 7/246 useless extension candidates. Maximal degree in co-relation 191. Up to 4 conditions per place. [2021-11-20 06:06:33,518 INFO L132 encePairwiseOnDemand]: 269/274 looper letters, 3 selfloop transitions, 0 changer transitions 0/251 dead transitions. [2021-11-20 06:06:33,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 251 transitions, 517 flow [2021-11-20 06:06:33,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:06:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-20 06:06:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 530 transitions. [2021-11-20 06:06:33,541 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9671532846715328 [2021-11-20 06:06:33,542 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 530 transitions. [2021-11-20 06:06:33,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 530 transitions. [2021-11-20 06:06:33,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:33,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 530 transitions. [2021-11-20 06:06:33,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 265.0) internal successors, (530), 2 states have internal predecessors, (530), 0 states have call successors, (0), 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 06:06:33,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 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 06:06:33,577 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 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 06:06:33,578 INFO L186 Difference]: Start difference. First operand has 254 places, 262 transitions, 533 flow. Second operand 2 states and 530 transitions. [2021-11-20 06:06:33,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 251 transitions, 517 flow [2021-11-20 06:06:33,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 251 transitions, 512 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-20 06:06:33,591 INFO L242 Difference]: Finished difference. Result has 246 places, 251 transitions, 506 flow [2021-11-20 06:06:33,594 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=506, PETRI_PLACES=246, PETRI_TRANSITIONS=251} [2021-11-20 06:06:33,598 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, -8 predicate places. [2021-11-20 06:06:33,598 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 251 transitions, 506 flow [2021-11-20 06:06:33,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 261.5) internal successors, (523), 2 states have internal predecessors, (523), 0 states have call successors, (0), 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 06:06:33,599 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:33,600 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, 1] [2021-11-20 06:06:33,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:06:33,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1729238147, now seen corresponding path program 1 times [2021-11-20 06:06:33,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:33,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981168336] [2021-11-20 06:06:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:33,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:34,043 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 06:06:34,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:34,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981168336] [2021-11-20 06:06:34,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981168336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:34,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:34,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 06:06:34,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556173348] [2021-11-20 06:06:34,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:34,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 06:06:34,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:34,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 06:06:34,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:06:34,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 274 [2021-11-20 06:06:34,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 251 transitions, 506 flow. Second operand has 12 states, 12 states have (on average 199.75) internal successors, (2397), 12 states have internal predecessors, (2397), 0 states have call successors, (0), 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 06:06:34,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:34,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 274 [2021-11-20 06:06:34,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:35,446 INFO L129 PetriNetUnfolder]: 1003/4117 cut-off events. [2021-11-20 06:06:35,446 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-11-20 06:06:35,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5628 conditions, 4117 events. 1003/4117 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 33924 event pairs, 789 based on Foata normal form. 0/3830 useless extension candidates. Maximal degree in co-relation 5625. Up to 1435 conditions per place. [2021-11-20 06:06:35,489 INFO L132 encePairwiseOnDemand]: 261/274 looper letters, 52 selfloop transitions, 12 changer transitions 0/247 dead transitions. [2021-11-20 06:06:35,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 247 transitions, 626 flow [2021-11-20 06:06:35,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:06:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 06:06:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2626 transitions. [2021-11-20 06:06:35,501 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7372262773722628 [2021-11-20 06:06:35,501 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2626 transitions. [2021-11-20 06:06:35,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2626 transitions. [2021-11-20 06:06:35,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:35,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2626 transitions. [2021-11-20 06:06:35,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 202.0) internal successors, (2626), 13 states have internal predecessors, (2626), 0 states have call successors, (0), 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 06:06:35,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 274.0) internal successors, (3836), 14 states have internal predecessors, (3836), 0 states have call successors, (0), 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 06:06:35,528 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 274.0) internal successors, (3836), 14 states have internal predecessors, (3836), 0 states have call successors, (0), 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 06:06:35,529 INFO L186 Difference]: Start difference. First operand has 246 places, 251 transitions, 506 flow. Second operand 13 states and 2626 transitions. [2021-11-20 06:06:35,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 247 transitions, 626 flow [2021-11-20 06:06:35,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 247 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:06:35,545 INFO L242 Difference]: Finished difference. Result has 255 places, 247 transitions, 522 flow [2021-11-20 06:06:35,545 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=522, PETRI_PLACES=255, PETRI_TRANSITIONS=247} [2021-11-20 06:06:35,546 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 1 predicate places. [2021-11-20 06:06:35,547 INFO L470 AbstractCegarLoop]: Abstraction has has 255 places, 247 transitions, 522 flow [2021-11-20 06:06:35,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 199.75) internal successors, (2397), 12 states have internal predecessors, (2397), 0 states have call successors, (0), 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 06:06:35,549 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:35,550 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, 1, 1] [2021-11-20 06:06:35,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:06:35,550 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:35,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:35,553 INFO L85 PathProgramCache]: Analyzing trace with hash -718598690, now seen corresponding path program 1 times [2021-11-20 06:06:35,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:35,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107752899] [2021-11-20 06:06:35,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:35,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:35,732 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 06:06:35,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:35,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107752899] [2021-11-20 06:06:35,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107752899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:35,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:35,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:06:35,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826585018] [2021-11-20 06:06:35,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:35,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:06:35,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:06:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:06:35,738 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 274 [2021-11-20 06:06:35,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 247 transitions, 522 flow. Second operand has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 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 06:06:35,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:35,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 274 [2021-11-20 06:06:35,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:35,884 INFO L129 PetriNetUnfolder]: 26/432 cut-off events. [2021-11-20 06:06:35,884 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:06:35,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 432 events. 26/432 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1067 event pairs, 2 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 495. Up to 13 conditions per place. [2021-11-20 06:06:35,889 INFO L132 encePairwiseOnDemand]: 268/274 looper letters, 9 selfloop transitions, 5 changer transitions 0/247 dead transitions. [2021-11-20 06:06:35,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 247 transitions, 554 flow [2021-11-20 06:06:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:06:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-20 06:06:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1015 transitions. [2021-11-20 06:06:35,895 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.926094890510949 [2021-11-20 06:06:35,895 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1015 transitions. [2021-11-20 06:06:35,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1015 transitions. [2021-11-20 06:06:35,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:35,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1015 transitions. [2021-11-20 06:06:35,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 253.75) internal successors, (1015), 4 states have internal predecessors, (1015), 0 states have call successors, (0), 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 06:06:35,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 274.0) internal successors, (1370), 5 states have internal predecessors, (1370), 0 states have call successors, (0), 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 06:06:35,906 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 274.0) internal successors, (1370), 5 states have internal predecessors, (1370), 0 states have call successors, (0), 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 06:06:35,907 INFO L186 Difference]: Start difference. First operand has 255 places, 247 transitions, 522 flow. Second operand 4 states and 1015 transitions. [2021-11-20 06:06:35,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 247 transitions, 554 flow [2021-11-20 06:06:35,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 247 transitions, 531 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-11-20 06:06:35,915 INFO L242 Difference]: Finished difference. Result has 246 places, 245 transitions, 505 flow [2021-11-20 06:06:35,916 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=505, PETRI_PLACES=246, PETRI_TRANSITIONS=245} [2021-11-20 06:06:35,917 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, -8 predicate places. [2021-11-20 06:06:35,917 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 245 transitions, 505 flow [2021-11-20 06:06:35,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 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 06:06:35,919 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:35,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:35,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:06:35,920 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:35,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:35,920 INFO L85 PathProgramCache]: Analyzing trace with hash 262167032, now seen corresponding path program 1 times [2021-11-20 06:06:35,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:35,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514929994] [2021-11-20 06:06:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:35,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:36,044 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 06:06:36,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:36,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514929994] [2021-11-20 06:06:36,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514929994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:36,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:36,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:06:36,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293983234] [2021-11-20 06:06:36,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:36,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:06:36,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:36,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:06:36,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:06:36,061 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 274 [2021-11-20 06:06:36,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 245 transitions, 505 flow. Second operand has 3 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 0 states have call successors, (0), 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 06:06:36,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:36,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 274 [2021-11-20 06:06:36,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:36,178 INFO L129 PetriNetUnfolder]: 33/527 cut-off events. [2021-11-20 06:06:36,178 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2021-11-20 06:06:36,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 527 events. 33/527 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1256 event pairs, 2 based on Foata normal form. 0/493 useless extension candidates. Maximal degree in co-relation 582. Up to 23 conditions per place. [2021-11-20 06:06:36,184 INFO L132 encePairwiseOnDemand]: 270/274 looper letters, 10 selfloop transitions, 3 changer transitions 0/249 dead transitions. [2021-11-20 06:06:36,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 249 transitions, 542 flow [2021-11-20 06:06:36,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:06:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:06:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 779 transitions. [2021-11-20 06:06:36,188 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9476885644768857 [2021-11-20 06:06:36,189 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 779 transitions. [2021-11-20 06:06:36,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 779 transitions. [2021-11-20 06:06:36,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:36,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 779 transitions. [2021-11-20 06:06:36,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.6666666666667) internal successors, (779), 3 states have internal predecessors, (779), 0 states have call successors, (0), 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 06:06:36,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 06:06:36,196 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 06:06:36,196 INFO L186 Difference]: Start difference. First operand has 246 places, 245 transitions, 505 flow. Second operand 3 states and 779 transitions. [2021-11-20 06:06:36,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 249 transitions, 542 flow [2021-11-20 06:06:36,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 249 transitions, 532 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-20 06:06:36,229 INFO L242 Difference]: Finished difference. Result has 246 places, 246 transitions, 510 flow [2021-11-20 06:06:36,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=246, PETRI_TRANSITIONS=246} [2021-11-20 06:06:36,231 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, -8 predicate places. [2021-11-20 06:06:36,231 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 246 transitions, 510 flow [2021-11-20 06:06:36,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 0 states have call successors, (0), 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 06:06:36,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:36,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:36,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:06:36,233 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:36,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:36,234 INFO L85 PathProgramCache]: Analyzing trace with hash -63793281, now seen corresponding path program 1 times [2021-11-20 06:06:36,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:36,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117679413] [2021-11-20 06:06:36,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:36,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:36,312 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 06:06:36,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:36,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117679413] [2021-11-20 06:06:36,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117679413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:36,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:36,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:06:36,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368132556] [2021-11-20 06:06:36,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:36,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:06:36,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:36,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:06:36,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:06:36,318 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 274 [2021-11-20 06:06:36,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 246 transitions, 510 flow. Second operand has 4 states, 4 states have (on average 253.75) internal successors, (1015), 4 states have internal predecessors, (1015), 0 states have call successors, (0), 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 06:06:36,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:36,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 274 [2021-11-20 06:06:36,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:36,502 INFO L129 PetriNetUnfolder]: 51/836 cut-off events. [2021-11-20 06:06:36,502 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-11-20 06:06:36,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 836 events. 51/836 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2999 event pairs, 7 based on Foata normal form. 0/788 useless extension candidates. Maximal degree in co-relation 940. Up to 27 conditions per place. [2021-11-20 06:06:36,513 INFO L132 encePairwiseOnDemand]: 269/274 looper letters, 15 selfloop transitions, 5 changer transitions 0/254 dead transitions. [2021-11-20 06:06:36,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 254 transitions, 573 flow [2021-11-20 06:06:36,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:06:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-20 06:06:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1281 transitions. [2021-11-20 06:06:36,519 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.935036496350365 [2021-11-20 06:06:36,519 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1281 transitions. [2021-11-20 06:06:36,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1281 transitions. [2021-11-20 06:06:36,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:36,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1281 transitions. [2021-11-20 06:06:36,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 256.2) internal successors, (1281), 5 states have internal predecessors, (1281), 0 states have call successors, (0), 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 06:06:36,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 274.0) internal successors, (1644), 6 states have internal predecessors, (1644), 0 states have call successors, (0), 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 06:06:36,531 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 274.0) internal successors, (1644), 6 states have internal predecessors, (1644), 0 states have call successors, (0), 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 06:06:36,531 INFO L186 Difference]: Start difference. First operand has 246 places, 246 transitions, 510 flow. Second operand 5 states and 1281 transitions. [2021-11-20 06:06:36,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 254 transitions, 573 flow [2021-11-20 06:06:36,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 254 transitions, 570 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:06:36,541 INFO L242 Difference]: Finished difference. Result has 252 places, 249 transitions, 537 flow [2021-11-20 06:06:36,541 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=537, PETRI_PLACES=252, PETRI_TRANSITIONS=249} [2021-11-20 06:06:36,542 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, -2 predicate places. [2021-11-20 06:06:36,543 INFO L470 AbstractCegarLoop]: Abstraction has has 252 places, 249 transitions, 537 flow [2021-11-20 06:06:36,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 253.75) internal successors, (1015), 4 states have internal predecessors, (1015), 0 states have call successors, (0), 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 06:06:36,544 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:36,544 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:36,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:06:36,545 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:36,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash -836569327, now seen corresponding path program 1 times [2021-11-20 06:06:36,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:36,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30272862] [2021-11-20 06:06:36,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:36,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:37,307 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 06:06:37,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:37,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30272862] [2021-11-20 06:06:37,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30272862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:37,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:37,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-20 06:06:37,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784898105] [2021-11-20 06:06:37,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:37,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:06:37,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:06:37,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:06:37,318 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 274 [2021-11-20 06:06:37,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 249 transitions, 537 flow. Second operand has 18 states, 18 states have (on average 185.33333333333334) internal successors, (3336), 18 states have internal predecessors, (3336), 0 states have call successors, (0), 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 06:06:37,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:37,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 274 [2021-11-20 06:06:37,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:39,616 INFO L129 PetriNetUnfolder]: 1694/7007 cut-off events. [2021-11-20 06:06:39,616 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-11-20 06:06:39,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10149 conditions, 7007 events. 1694/7007 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 60773 event pairs, 1290 based on Foata normal form. 0/6641 useless extension candidates. Maximal degree in co-relation 10142. Up to 2702 conditions per place. [2021-11-20 06:06:39,681 INFO L132 encePairwiseOnDemand]: 258/274 looper letters, 86 selfloop transitions, 20 changer transitions 0/276 dead transitions. [2021-11-20 06:06:39,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 276 transitions, 805 flow [2021-11-20 06:06:39,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 06:06:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-11-20 06:06:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2853 transitions. [2021-11-20 06:06:39,692 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6941605839416058 [2021-11-20 06:06:39,692 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2853 transitions. [2021-11-20 06:06:39,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2853 transitions. [2021-11-20 06:06:39,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:39,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2853 transitions. [2021-11-20 06:06:39,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 190.2) internal successors, (2853), 15 states have internal predecessors, (2853), 0 states have call successors, (0), 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 06:06:39,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 274.0) internal successors, (4384), 16 states have internal predecessors, (4384), 0 states have call successors, (0), 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 06:06:39,717 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 274.0) internal successors, (4384), 16 states have internal predecessors, (4384), 0 states have call successors, (0), 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 06:06:39,717 INFO L186 Difference]: Start difference. First operand has 252 places, 249 transitions, 537 flow. Second operand 15 states and 2853 transitions. [2021-11-20 06:06:39,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 276 transitions, 805 flow [2021-11-20 06:06:39,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 276 transitions, 805 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:06:39,727 INFO L242 Difference]: Finished difference. Result has 272 places, 262 transitions, 644 flow [2021-11-20 06:06:39,728 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=644, PETRI_PLACES=272, PETRI_TRANSITIONS=262} [2021-11-20 06:06:39,731 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 18 predicate places. [2021-11-20 06:06:39,731 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 262 transitions, 644 flow [2021-11-20 06:06:39,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 185.33333333333334) internal successors, (3336), 18 states have internal predecessors, (3336), 0 states have call successors, (0), 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 06:06:39,733 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:39,733 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, 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 06:06:39,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:06:39,733 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:39,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:39,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1663669004, now seen corresponding path program 1 times [2021-11-20 06:06:39,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:39,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534091439] [2021-11-20 06:06:39,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:39,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:41,344 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 06:06:41,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:41,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534091439] [2021-11-20 06:06:41,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534091439] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:41,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:41,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-20 06:06:41,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885257210] [2021-11-20 06:06:41,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:41,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-20 06:06:41,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:41,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-20 06:06:41,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2021-11-20 06:06:41,355 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 274 [2021-11-20 06:06:41,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 262 transitions, 644 flow. Second operand has 27 states, 27 states have (on average 167.07407407407408) internal successors, (4511), 27 states have internal predecessors, (4511), 0 states have call successors, (0), 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 06:06:41,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:41,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 274 [2021-11-20 06:06:41,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:45,724 INFO L129 PetriNetUnfolder]: 1691/6808 cut-off events. [2021-11-20 06:06:45,724 INFO L130 PetriNetUnfolder]: For 126/126 co-relation queries the response was YES. [2021-11-20 06:06:45,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10113 conditions, 6808 events. 1691/6808 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 58608 event pairs, 1304 based on Foata normal form. 0/6501 useless extension candidates. Maximal degree in co-relation 10099. Up to 2645 conditions per place. [2021-11-20 06:06:45,785 INFO L132 encePairwiseOnDemand]: 245/274 looper letters, 115 selfloop transitions, 42 changer transitions 0/314 dead transitions. [2021-11-20 06:06:45,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 314 transitions, 1084 flow [2021-11-20 06:06:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-20 06:06:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-11-20 06:06:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4448 transitions. [2021-11-20 06:06:45,799 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6243683323975294 [2021-11-20 06:06:45,799 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4448 transitions. [2021-11-20 06:06:45,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4448 transitions. [2021-11-20 06:06:45,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:45,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4448 transitions. [2021-11-20 06:06:45,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 171.07692307692307) internal successors, (4448), 26 states have internal predecessors, (4448), 0 states have call successors, (0), 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 06:06:45,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 274.0) internal successors, (7398), 27 states have internal predecessors, (7398), 0 states have call successors, (0), 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 06:06:45,836 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 274.0) internal successors, (7398), 27 states have internal predecessors, (7398), 0 states have call successors, (0), 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 06:06:45,836 INFO L186 Difference]: Start difference. First operand has 272 places, 262 transitions, 644 flow. Second operand 26 states and 4448 transitions. [2021-11-20 06:06:45,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 314 transitions, 1084 flow [2021-11-20 06:06:45,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 314 transitions, 1071 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-20 06:06:45,847 INFO L242 Difference]: Finished difference. Result has 301 places, 282 transitions, 852 flow [2021-11-20 06:06:45,847 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=852, PETRI_PLACES=301, PETRI_TRANSITIONS=282} [2021-11-20 06:06:45,848 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 47 predicate places. [2021-11-20 06:06:45,848 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 282 transitions, 852 flow [2021-11-20 06:06:45,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 167.07407407407408) internal successors, (4511), 27 states have internal predecessors, (4511), 0 states have call successors, (0), 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 06:06:45,851 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:45,851 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, 1, 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 06:06:45,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:06:45,852 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash -166761329, now seen corresponding path program 1 times [2021-11-20 06:06:45,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:45,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450416635] [2021-11-20 06:06:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:45,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:46,826 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 06:06:46,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:46,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450416635] [2021-11-20 06:06:46,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450416635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:46,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:46,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-20 06:06:46,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721286139] [2021-11-20 06:06:46,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:46,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 06:06:46,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:46,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 06:06:46,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:06:46,834 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 274 [2021-11-20 06:06:46,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 282 transitions, 852 flow. Second operand has 20 states, 20 states have (on average 172.7) internal successors, (3454), 20 states have internal predecessors, (3454), 0 states have call successors, (0), 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 06:06:46,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:46,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 274 [2021-11-20 06:06:46,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:50,213 INFO L129 PetriNetUnfolder]: 2673/10254 cut-off events. [2021-11-20 06:06:50,213 INFO L130 PetriNetUnfolder]: For 522/532 co-relation queries the response was YES. [2021-11-20 06:06:50,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15503 conditions, 10254 events. 2673/10254 cut-off events. For 522/532 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 94907 event pairs, 1075 based on Foata normal form. 6/9749 useless extension candidates. Maximal degree in co-relation 15478. Up to 3927 conditions per place. [2021-11-20 06:06:50,339 INFO L132 encePairwiseOnDemand]: 254/274 looper letters, 136 selfloop transitions, 33 changer transitions 0/334 dead transitions. [2021-11-20 06:06:50,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 334 transitions, 1334 flow [2021-11-20 06:06:50,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:06:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-20 06:06:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2869 transitions. [2021-11-20 06:06:50,349 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6544251824817519 [2021-11-20 06:06:50,350 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2869 transitions. [2021-11-20 06:06:50,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2869 transitions. [2021-11-20 06:06:50,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:50,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2869 transitions. [2021-11-20 06:06:50,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 179.3125) internal successors, (2869), 16 states have internal predecessors, (2869), 0 states have call successors, (0), 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 06:06:50,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 274.0) internal successors, (4658), 17 states have internal predecessors, (4658), 0 states have call successors, (0), 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 06:06:50,372 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 274.0) internal successors, (4658), 17 states have internal predecessors, (4658), 0 states have call successors, (0), 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 06:06:50,373 INFO L186 Difference]: Start difference. First operand has 301 places, 282 transitions, 852 flow. Second operand 16 states and 2869 transitions. [2021-11-20 06:06:50,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 334 transitions, 1334 flow [2021-11-20 06:06:50,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 334 transitions, 1292 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-11-20 06:06:50,390 INFO L242 Difference]: Finished difference. Result has 308 places, 292 transitions, 973 flow [2021-11-20 06:06:50,391 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=973, PETRI_PLACES=308, PETRI_TRANSITIONS=292} [2021-11-20 06:06:50,391 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 54 predicate places. [2021-11-20 06:06:50,392 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 292 transitions, 973 flow [2021-11-20 06:06:50,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 172.7) internal successors, (3454), 20 states have internal predecessors, (3454), 0 states have call successors, (0), 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 06:06:50,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:50,393 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, 1, 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 06:06:50,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:06:50,394 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash 269840097, now seen corresponding path program 2 times [2021-11-20 06:06:50,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:50,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9038511] [2021-11-20 06:06:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:50,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:51,014 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 06:06:51,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:51,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9038511] [2021-11-20 06:06:51,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9038511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:51,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:51,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-20 06:06:51,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650036889] [2021-11-20 06:06:51,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:51,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 06:06:51,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:51,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 06:06:51,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:06:51,021 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 274 [2021-11-20 06:06:51,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 292 transitions, 973 flow. Second operand has 19 states, 19 states have (on average 174.78947368421052) internal successors, (3321), 19 states have internal predecessors, (3321), 0 states have call successors, (0), 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 06:06:51,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:51,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 274 [2021-11-20 06:06:51,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:52,957 INFO L129 PetriNetUnfolder]: 1658/6927 cut-off events. [2021-11-20 06:06:52,957 INFO L130 PetriNetUnfolder]: For 670/676 co-relation queries the response was YES. [2021-11-20 06:06:53,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10631 conditions, 6927 events. 1658/6927 cut-off events. For 670/676 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 60270 event pairs, 731 based on Foata normal form. 6/6581 useless extension candidates. Maximal degree in co-relation 10601. Up to 2489 conditions per place. [2021-11-20 06:06:53,125 INFO L132 encePairwiseOnDemand]: 258/274 looper letters, 106 selfloop transitions, 30 changer transitions 0/303 dead transitions. [2021-11-20 06:06:53,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 303 transitions, 1266 flow [2021-11-20 06:06:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:06:53,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-20 06:06:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2514 transitions. [2021-11-20 06:06:53,134 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6553701772679875 [2021-11-20 06:06:53,134 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2514 transitions. [2021-11-20 06:06:53,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2514 transitions. [2021-11-20 06:06:53,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:53,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2514 transitions. [2021-11-20 06:06:53,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 179.57142857142858) internal successors, (2514), 14 states have internal predecessors, (2514), 0 states have call successors, (0), 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 06:06:53,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 274.0) internal successors, (4110), 15 states have internal predecessors, (4110), 0 states have call successors, (0), 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 06:06:53,152 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 274.0) internal successors, (4110), 15 states have internal predecessors, (4110), 0 states have call successors, (0), 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 06:06:53,153 INFO L186 Difference]: Start difference. First operand has 308 places, 292 transitions, 973 flow. Second operand 14 states and 2514 transitions. [2021-11-20 06:06:53,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 303 transitions, 1266 flow [2021-11-20 06:06:53,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 303 transitions, 1240 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-11-20 06:06:53,165 INFO L242 Difference]: Finished difference. Result has 308 places, 288 transitions, 988 flow [2021-11-20 06:06:53,166 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=928, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=988, PETRI_PLACES=308, PETRI_TRANSITIONS=288} [2021-11-20 06:06:53,167 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 54 predicate places. [2021-11-20 06:06:53,167 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 288 transitions, 988 flow [2021-11-20 06:06:53,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 174.78947368421052) internal successors, (3321), 19 states have internal predecessors, (3321), 0 states have call successors, (0), 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 06:06:53,169 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:53,169 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, 1, 1, 1, 1, 1, 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 06:06:53,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:06:53,169 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:06:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:53,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1388912008, now seen corresponding path program 1 times [2021-11-20 06:06:53,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:53,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807880569] [2021-11-20 06:06:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:53,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:55,216 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 06:06:55,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:55,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807880569] [2021-11-20 06:06:55,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807880569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:55,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:55,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-20 06:06:55,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560248500] [2021-11-20 06:06:55,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:55,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-20 06:06:55,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:55,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-20 06:06:55,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2021-11-20 06:06:55,228 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 274 [2021-11-20 06:06:55,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 288 transitions, 988 flow. Second operand has 30 states, 30 states have (on average 154.26666666666668) internal successors, (4628), 30 states have internal predecessors, (4628), 0 states have call successors, (0), 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 06:06:55,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:55,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 274 [2021-11-20 06:06:55,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:07:01,074 INFO L129 PetriNetUnfolder]: 2835/10531 cut-off events. [2021-11-20 06:07:01,074 INFO L130 PetriNetUnfolder]: For 994/1002 co-relation queries the response was YES. [2021-11-20 06:07:01,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16372 conditions, 10531 events. 2835/10531 cut-off events. For 994/1002 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 96051 event pairs, 1129 based on Foata normal form. 6/10006 useless extension candidates. Maximal degree in co-relation 16344. Up to 3730 conditions per place. [2021-11-20 06:07:01,149 INFO L132 encePairwiseOnDemand]: 244/274 looper letters, 183 selfloop transitions, 54 changer transitions 0/382 dead transitions. [2021-11-20 06:07:01,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 382 transitions, 1700 flow [2021-11-20 06:07:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-20 06:07:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-11-20 06:07:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4316 transitions. [2021-11-20 06:07:01,159 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5834009191673425 [2021-11-20 06:07:01,159 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4316 transitions. [2021-11-20 06:07:01,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4316 transitions. [2021-11-20 06:07:01,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:07:01,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4316 transitions. [2021-11-20 06:07:01,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 159.85185185185185) internal successors, (4316), 27 states have internal predecessors, (4316), 0 states have call successors, (0), 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 06:07:01,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 274.0) internal successors, (7672), 28 states have internal predecessors, (7672), 0 states have call successors, (0), 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 06:07:01,186 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 274.0) internal successors, (7672), 28 states have internal predecessors, (7672), 0 states have call successors, (0), 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 06:07:01,186 INFO L186 Difference]: Start difference. First operand has 308 places, 288 transitions, 988 flow. Second operand 27 states and 4316 transitions. [2021-11-20 06:07:01,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 382 transitions, 1700 flow [2021-11-20 06:07:01,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 382 transitions, 1640 flow, removed 0 selfloop flow, removed 13 redundant places. [2021-11-20 06:07:01,201 INFO L242 Difference]: Finished difference. Result has 326 places, 295 transitions, 1114 flow [2021-11-20 06:07:01,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=928, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1114, PETRI_PLACES=326, PETRI_TRANSITIONS=295} [2021-11-20 06:07:01,202 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 72 predicate places. [2021-11-20 06:07:01,203 INFO L470 AbstractCegarLoop]: Abstraction has has 326 places, 295 transitions, 1114 flow [2021-11-20 06:07:01,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 154.26666666666668) internal successors, (4628), 30 states have internal predecessors, (4628), 0 states have call successors, (0), 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 06:07:01,204 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:07:01,204 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, 1, 1, 1, 1, 1, 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 06:07:01,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:07:01,205 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:07:01,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:07:01,205 INFO L85 PathProgramCache]: Analyzing trace with hash -487662966, now seen corresponding path program 2 times [2021-11-20 06:07:01,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:07:01,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646683293] [2021-11-20 06:07:01,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:07:01,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:07:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:07:02,371 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 06:07:02,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:07:02,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646683293] [2021-11-20 06:07:02,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646683293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:07:02,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:07:02,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-20 06:07:02,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185243479] [2021-11-20 06:07:02,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:07:02,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-20 06:07:02,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:07:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-20 06:07:02,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2021-11-20 06:07:02,378 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 274 [2021-11-20 06:07:02,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 295 transitions, 1114 flow. Second operand has 30 states, 30 states have (on average 156.23333333333332) internal successors, (4687), 30 states have internal predecessors, (4687), 0 states have call successors, (0), 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 06:07:02,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:07:02,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 274 [2021-11-20 06:07:02,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:07:05,758 INFO L129 PetriNetUnfolder]: 1019/4126 cut-off events. [2021-11-20 06:07:05,759 INFO L130 PetriNetUnfolder]: For 891/891 co-relation queries the response was YES. [2021-11-20 06:07:05,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6996 conditions, 4126 events. 1019/4126 cut-off events. For 891/891 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 29152 event pairs, 379 based on Foata normal form. 3/3932 useless extension candidates. Maximal degree in co-relation 6963. Up to 1264 conditions per place. [2021-11-20 06:07:05,789 INFO L132 encePairwiseOnDemand]: 244/274 looper letters, 138 selfloop transitions, 54 changer transitions 0/331 dead transitions. [2021-11-20 06:07:05,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 331 transitions, 1581 flow [2021-11-20 06:07:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-20 06:07:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-11-20 06:07:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4473 transitions. [2021-11-20 06:07:05,797 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.583029197080292 [2021-11-20 06:07:05,797 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4473 transitions. [2021-11-20 06:07:05,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4473 transitions. [2021-11-20 06:07:05,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:07:05,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4473 transitions. [2021-11-20 06:07:05,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 159.75) internal successors, (4473), 28 states have internal predecessors, (4473), 0 states have call successors, (0), 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 06:07:05,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 274.0) internal successors, (7946), 29 states have internal predecessors, (7946), 0 states have call successors, (0), 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 06:07:05,822 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 274.0) internal successors, (7946), 29 states have internal predecessors, (7946), 0 states have call successors, (0), 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 06:07:05,823 INFO L186 Difference]: Start difference. First operand has 326 places, 295 transitions, 1114 flow. Second operand 28 states and 4473 transitions. [2021-11-20 06:07:05,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 331 transitions, 1581 flow [2021-11-20 06:07:05,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 331 transitions, 1480 flow, removed 4 selfloop flow, removed 28 redundant places. [2021-11-20 06:07:05,837 INFO L242 Difference]: Finished difference. Result has 317 places, 284 transitions, 1083 flow [2021-11-20 06:07:05,838 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=975, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1083, PETRI_PLACES=317, PETRI_TRANSITIONS=284} [2021-11-20 06:07:05,839 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 63 predicate places. [2021-11-20 06:07:05,839 INFO L470 AbstractCegarLoop]: Abstraction has has 317 places, 284 transitions, 1083 flow [2021-11-20 06:07:05,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 156.23333333333332) internal successors, (4687), 30 states have internal predecessors, (4687), 0 states have call successors, (0), 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 06:07:05,840 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:07:05,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:05,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:07:05,841 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:07:05,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:07:05,842 INFO L85 PathProgramCache]: Analyzing trace with hash -2047833461, now seen corresponding path program 1 times [2021-11-20 06:07:05,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:07:05,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353913337] [2021-11-20 06:07:05,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:07:05,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:07:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:07:05,890 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 06:07:05,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:07:05,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353913337] [2021-11-20 06:07:05,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353913337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:07:05,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:07:05,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:07:05,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204876832] [2021-11-20 06:07:05,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:07:05,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:07:05,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:07:05,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:07:05,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:07:05,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 274 [2021-11-20 06:07:05,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 284 transitions, 1083 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 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 06:07:05,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:07:05,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 274 [2021-11-20 06:07:05,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:07:06,074 INFO L129 PetriNetUnfolder]: 73/1014 cut-off events. [2021-11-20 06:07:06,074 INFO L130 PetriNetUnfolder]: For 327/328 co-relation queries the response was YES. [2021-11-20 06:07:06,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1564 conditions, 1014 events. 73/1014 cut-off events. For 327/328 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4498 event pairs, 10 based on Foata normal form. 21/980 useless extension candidates. Maximal degree in co-relation 1537. Up to 51 conditions per place. [2021-11-20 06:07:06,083 INFO L132 encePairwiseOnDemand]: 268/274 looper letters, 12 selfloop transitions, 6 changer transitions 0/286 dead transitions. [2021-11-20 06:07:06,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 286 transitions, 1126 flow [2021-11-20 06:07:06,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:07:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:07:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2021-11-20 06:07:06,085 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9306569343065694 [2021-11-20 06:07:06,085 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 765 transitions. [2021-11-20 06:07:06,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 765 transitions. [2021-11-20 06:07:06,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:07:06,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 765 transitions. [2021-11-20 06:07:06,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 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 06:07:06,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 06:07:06,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 06:07:06,089 INFO L186 Difference]: Start difference. First operand has 317 places, 284 transitions, 1083 flow. Second operand 3 states and 765 transitions. [2021-11-20 06:07:06,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 286 transitions, 1126 flow [2021-11-20 06:07:06,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 286 transitions, 1030 flow, removed 0 selfloop flow, removed 26 redundant places. [2021-11-20 06:07:06,100 INFO L242 Difference]: Finished difference. Result has 293 places, 284 transitions, 999 flow [2021-11-20 06:07:06,101 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=999, PETRI_PLACES=293, PETRI_TRANSITIONS=284} [2021-11-20 06:07:06,103 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 39 predicate places. [2021-11-20 06:07:06,103 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 284 transitions, 999 flow [2021-11-20 06:07:06,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 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 06:07:06,104 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:07:06,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:06,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:07:06,104 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:07:06,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:07:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash 723972926, now seen corresponding path program 1 times [2021-11-20 06:07:06,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:07:06,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499854742] [2021-11-20 06:07:06,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:07:06,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:07:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:07:07,615 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 06:07:07,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:07:07,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499854742] [2021-11-20 06:07:07,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499854742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:07:07,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:07:07,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-11-20 06:07:07,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041825670] [2021-11-20 06:07:07,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:07:07,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-20 06:07:07,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:07:07,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-20 06:07:07,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2021-11-20 06:07:07,621 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 274 [2021-11-20 06:07:07,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 284 transitions, 999 flow. Second operand has 31 states, 31 states have (on average 160.7741935483871) internal successors, (4984), 31 states have internal predecessors, (4984), 0 states have call successors, (0), 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 06:07:07,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:07:07,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 274 [2021-11-20 06:07:07,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:07:11,360 INFO L129 PetriNetUnfolder]: 978/3897 cut-off events. [2021-11-20 06:07:11,360 INFO L130 PetriNetUnfolder]: For 1054/1063 co-relation queries the response was YES. [2021-11-20 06:07:11,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7444 conditions, 3897 events. 978/3897 cut-off events. For 1054/1063 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 25480 event pairs, 105 based on Foata normal form. 1/3733 useless extension candidates. Maximal degree in co-relation 7417. Up to 725 conditions per place. [2021-11-20 06:07:11,385 INFO L132 encePairwiseOnDemand]: 239/274 looper letters, 224 selfloop transitions, 69 changer transitions 0/433 dead transitions. [2021-11-20 06:07:11,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 433 transitions, 1980 flow [2021-11-20 06:07:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-20 06:07:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-11-20 06:07:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5316 transitions. [2021-11-20 06:07:11,393 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6062956204379562 [2021-11-20 06:07:11,394 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 5316 transitions. [2021-11-20 06:07:11,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 5316 transitions. [2021-11-20 06:07:11,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:07:11,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 5316 transitions. [2021-11-20 06:07:11,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 166.125) internal successors, (5316), 32 states have internal predecessors, (5316), 0 states have call successors, (0), 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 06:07:11,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 274.0) internal successors, (9042), 33 states have internal predecessors, (9042), 0 states have call successors, (0), 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 06:07:11,420 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 274.0) internal successors, (9042), 33 states have internal predecessors, (9042), 0 states have call successors, (0), 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 06:07:11,420 INFO L186 Difference]: Start difference. First operand has 293 places, 284 transitions, 999 flow. Second operand 32 states and 5316 transitions. [2021-11-20 06:07:11,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 433 transitions, 1980 flow [2021-11-20 06:07:11,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 433 transitions, 1974 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:07:11,437 INFO L242 Difference]: Finished difference. Result has 330 places, 307 transitions, 1301 flow [2021-11-20 06:07:11,437 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=993, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=1301, PETRI_PLACES=330, PETRI_TRANSITIONS=307} [2021-11-20 06:07:11,438 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 76 predicate places. [2021-11-20 06:07:11,438 INFO L470 AbstractCegarLoop]: Abstraction has has 330 places, 307 transitions, 1301 flow [2021-11-20 06:07:11,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 160.7741935483871) internal successors, (4984), 31 states have internal predecessors, (4984), 0 states have call successors, (0), 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 06:07:11,440 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:07:11,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:11,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:07:11,441 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:07:11,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:07:11,441 INFO L85 PathProgramCache]: Analyzing trace with hash 935166190, now seen corresponding path program 2 times [2021-11-20 06:07:11,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:07:11,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981777557] [2021-11-20 06:07:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:07:11,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:07:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:07:13,919 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 06:07:13,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:07:13,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981777557] [2021-11-20 06:07:13,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981777557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:07:13,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:07:13,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-11-20 06:07:13,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501505697] [2021-11-20 06:07:13,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:07:13,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-20 06:07:13,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:07:13,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-20 06:07:13,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1089, Unknown=0, NotChecked=0, Total=1260 [2021-11-20 06:07:13,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 274 [2021-11-20 06:07:13,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 307 transitions, 1301 flow. Second operand has 36 states, 36 states have (on average 148.5) internal successors, (5346), 36 states have internal predecessors, (5346), 0 states have call successors, (0), 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 06:07:13,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:07:13,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 274 [2021-11-20 06:07:13,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:07:19,336 INFO L129 PetriNetUnfolder]: 2418/7601 cut-off events. [2021-11-20 06:07:19,336 INFO L130 PetriNetUnfolder]: For 2391/2403 co-relation queries the response was YES. [2021-11-20 06:07:19,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14944 conditions, 7601 events. 2418/7601 cut-off events. For 2391/2403 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 55619 event pairs, 351 based on Foata normal form. 1/7190 useless extension candidates. Maximal degree in co-relation 14909. Up to 1226 conditions per place. [2021-11-20 06:07:19,412 INFO L132 encePairwiseOnDemand]: 234/274 looper letters, 318 selfloop transitions, 83 changer transitions 0/532 dead transitions. [2021-11-20 06:07:19,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 532 transitions, 2678 flow [2021-11-20 06:07:19,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-20 06:07:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-11-20 06:07:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 6334 transitions. [2021-11-20 06:07:19,429 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5638241053943386 [2021-11-20 06:07:19,429 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 6334 transitions. [2021-11-20 06:07:19,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 6334 transitions. [2021-11-20 06:07:19,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:07:19,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 6334 transitions. [2021-11-20 06:07:19,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 154.4878048780488) internal successors, (6334), 41 states have internal predecessors, (6334), 0 states have call successors, (0), 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 06:07:19,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 274.0) internal successors, (11508), 42 states have internal predecessors, (11508), 0 states have call successors, (0), 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 06:07:19,467 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 274.0) internal successors, (11508), 42 states have internal predecessors, (11508), 0 states have call successors, (0), 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 06:07:19,467 INFO L186 Difference]: Start difference. First operand has 330 places, 307 transitions, 1301 flow. Second operand 41 states and 6334 transitions. [2021-11-20 06:07:19,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 532 transitions, 2678 flow [2021-11-20 06:07:19,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 532 transitions, 2570 flow, removed 12 selfloop flow, removed 19 redundant places. [2021-11-20 06:07:19,501 INFO L242 Difference]: Finished difference. Result has 360 places, 332 transitions, 1525 flow [2021-11-20 06:07:19,501 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=1525, PETRI_PLACES=360, PETRI_TRANSITIONS=332} [2021-11-20 06:07:19,502 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 106 predicate places. [2021-11-20 06:07:19,503 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 332 transitions, 1525 flow [2021-11-20 06:07:19,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 148.5) internal successors, (5346), 36 states have internal predecessors, (5346), 0 states have call successors, (0), 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 06:07:19,505 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:07:19,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:19,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:07:19,506 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:07:19,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:07:19,506 INFO L85 PathProgramCache]: Analyzing trace with hash 528865581, now seen corresponding path program 1 times [2021-11-20 06:07:19,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:07:19,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965666656] [2021-11-20 06:07:19,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:07:19,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:07:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:07:21,120 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 06:07:21,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:07:21,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965666656] [2021-11-20 06:07:21,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965666656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:07:21,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:07:21,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-11-20 06:07:21,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907574138] [2021-11-20 06:07:21,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:07:21,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-20 06:07:21,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:07:21,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-20 06:07:21,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2021-11-20 06:07:21,127 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 274 [2021-11-20 06:07:21,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 332 transitions, 1525 flow. Second operand has 31 states, 31 states have (on average 160.80645161290323) internal successors, (4985), 31 states have internal predecessors, (4985), 0 states have call successors, (0), 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 06:07:21,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:07:21,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 274 [2021-11-20 06:07:21,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:07:25,971 INFO L129 PetriNetUnfolder]: 1328/5394 cut-off events. [2021-11-20 06:07:25,971 INFO L130 PetriNetUnfolder]: For 3896/3922 co-relation queries the response was YES. [2021-11-20 06:07:26,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11811 conditions, 5394 events. 1328/5394 cut-off events. For 3896/3922 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 38945 event pairs, 358 based on Foata normal form. 9/5218 useless extension candidates. Maximal degree in co-relation 11767. Up to 1745 conditions per place. [2021-11-20 06:07:26,029 INFO L132 encePairwiseOnDemand]: 239/274 looper letters, 237 selfloop transitions, 101 changer transitions 0/482 dead transitions. [2021-11-20 06:07:26,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 482 transitions, 2823 flow [2021-11-20 06:07:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-20 06:07:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-11-20 06:07:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5785 transitions. [2021-11-20 06:07:26,040 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6032325338894682 [2021-11-20 06:07:26,040 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5785 transitions. [2021-11-20 06:07:26,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5785 transitions. [2021-11-20 06:07:26,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:07:26,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5785 transitions. [2021-11-20 06:07:26,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 165.28571428571428) internal successors, (5785), 35 states have internal predecessors, (5785), 0 states have call successors, (0), 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 06:07:26,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 274.0) internal successors, (9864), 36 states have internal predecessors, (9864), 0 states have call successors, (0), 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 06:07:26,072 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 274.0) internal successors, (9864), 36 states have internal predecessors, (9864), 0 states have call successors, (0), 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 06:07:26,073 INFO L186 Difference]: Start difference. First operand has 360 places, 332 transitions, 1525 flow. Second operand 35 states and 5785 transitions. [2021-11-20 06:07:26,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 482 transitions, 2823 flow [2021-11-20 06:07:26,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 482 transitions, 2697 flow, removed 2 selfloop flow, removed 24 redundant places. [2021-11-20 06:07:26,113 INFO L242 Difference]: Finished difference. Result has 382 places, 382 transitions, 2068 flow [2021-11-20 06:07:26,114 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=1416, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=2068, PETRI_PLACES=382, PETRI_TRANSITIONS=382} [2021-11-20 06:07:26,115 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 128 predicate places. [2021-11-20 06:07:26,115 INFO L470 AbstractCegarLoop]: Abstraction has has 382 places, 382 transitions, 2068 flow [2021-11-20 06:07:26,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 160.80645161290323) internal successors, (4985), 31 states have internal predecessors, (4985), 0 states have call successors, (0), 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 06:07:26,117 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:07:26,117 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:26,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 06:07:26,118 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:07:26,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:07:26,118 INFO L85 PathProgramCache]: Analyzing trace with hash -255644951, now seen corresponding path program 2 times [2021-11-20 06:07:26,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:07:26,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037558394] [2021-11-20 06:07:26,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:07:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:07:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:07:27,327 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 06:07:27,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:07:27,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037558394] [2021-11-20 06:07:27,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037558394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:07:27,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:07:27,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-20 06:07:27,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721384076] [2021-11-20 06:07:27,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:07:27,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-20 06:07:27,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:07:27,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-20 06:07:27,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2021-11-20 06:07:27,336 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 274 [2021-11-20 06:07:27,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 382 transitions, 2068 flow. Second operand has 30 states, 30 states have (on average 170.6) internal successors, (5118), 30 states have internal predecessors, (5118), 0 states have call successors, (0), 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 06:07:27,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:07:27,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 274 [2021-11-20 06:07:27,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:07:30,203 INFO L129 PetriNetUnfolder]: 832/3705 cut-off events. [2021-11-20 06:07:30,203 INFO L130 PetriNetUnfolder]: For 5287/5321 co-relation queries the response was YES. [2021-11-20 06:07:30,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8977 conditions, 3705 events. 832/3705 cut-off events. For 5287/5321 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 24508 event pairs, 115 based on Foata normal form. 13/3563 useless extension candidates. Maximal degree in co-relation 8921. Up to 737 conditions per place. [2021-11-20 06:07:30,239 INFO L132 encePairwiseOnDemand]: 243/274 looper letters, 174 selfloop transitions, 89 changer transitions 0/429 dead transitions. [2021-11-20 06:07:30,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 429 transitions, 2672 flow [2021-11-20 06:07:30,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-20 06:07:30,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-11-20 06:07:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4711 transitions. [2021-11-20 06:07:30,246 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.636793728034604 [2021-11-20 06:07:30,246 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4711 transitions. [2021-11-20 06:07:30,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4711 transitions. [2021-11-20 06:07:30,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:07:30,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4711 transitions. [2021-11-20 06:07:30,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 174.4814814814815) internal successors, (4711), 27 states have internal predecessors, (4711), 0 states have call successors, (0), 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 06:07:30,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 274.0) internal successors, (7672), 28 states have internal predecessors, (7672), 0 states have call successors, (0), 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 06:07:30,263 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 274.0) internal successors, (7672), 28 states have internal predecessors, (7672), 0 states have call successors, (0), 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 06:07:30,264 INFO L186 Difference]: Start difference. First operand has 382 places, 382 transitions, 2068 flow. Second operand 27 states and 4711 transitions. [2021-11-20 06:07:30,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 429 transitions, 2672 flow [2021-11-20 06:07:30,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 429 transitions, 2537 flow, removed 22 selfloop flow, removed 22 redundant places. [2021-11-20 06:07:30,306 INFO L242 Difference]: Finished difference. Result has 382 places, 370 transitions, 2077 flow [2021-11-20 06:07:30,307 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=1836, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=2077, PETRI_PLACES=382, PETRI_TRANSITIONS=370} [2021-11-20 06:07:30,308 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 128 predicate places. [2021-11-20 06:07:30,308 INFO L470 AbstractCegarLoop]: Abstraction has has 382 places, 370 transitions, 2077 flow [2021-11-20 06:07:30,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 170.6) internal successors, (5118), 30 states have internal predecessors, (5118), 0 states have call successors, (0), 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 06:07:30,309 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:07:30,310 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:30,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 06:07:30,310 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:07:30,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:07:30,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1861304268, now seen corresponding path program 1 times [2021-11-20 06:07:30,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:07:30,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636519640] [2021-11-20 06:07:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:07:30,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:07:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:07,805 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 06:08:07,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:08:07,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636519640] [2021-11-20 06:08:07,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636519640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:08:07,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:08:07,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2021-11-20 06:08:07,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271158173] [2021-11-20 06:08:07,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:08:07,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-20 06:08:07,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:08:07,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-20 06:08:07,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2064, Unknown=0, NotChecked=0, Total=2256 [2021-11-20 06:08:07,814 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 274 [2021-11-20 06:08:07,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 370 transitions, 2077 flow. Second operand has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:08:07,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:08:07,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 274 [2021-11-20 06:08:07,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:10:04,464 INFO L129 PetriNetUnfolder]: 11254/26010 cut-off events. [2021-11-20 06:10:04,465 INFO L130 PetriNetUnfolder]: For 106559/106689 co-relation queries the response was YES. [2021-11-20 06:10:04,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78181 conditions, 26010 events. 11254/26010 cut-off events. For 106559/106689 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 212334 event pairs, 2757 based on Foata normal form. 20/24337 useless extension candidates. Maximal degree in co-relation 78128. Up to 9600 conditions per place. [2021-11-20 06:10:04,789 INFO L132 encePairwiseOnDemand]: 219/274 looper letters, 700 selfloop transitions, 175 changer transitions 49/1046 dead transitions. [2021-11-20 06:10:04,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 1046 transitions, 7183 flow [2021-11-20 06:10:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-11-20 06:10:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-11-20 06:10:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 9911 transitions. [2021-11-20 06:10:04,801 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5167361835245047 [2021-11-20 06:10:04,801 INFO L72 ComplementDD]: Start complementDD. Operand 70 states and 9911 transitions. [2021-11-20 06:10:04,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 9911 transitions. [2021-11-20 06:10:04,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:10:04,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 70 states and 9911 transitions. [2021-11-20 06:10:04,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 71 states, 70 states have (on average 141.5857142857143) internal successors, (9911), 70 states have internal predecessors, (9911), 0 states have call successors, (0), 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 06:10:04,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 71 states, 71 states have (on average 274.0) internal successors, (19454), 71 states have internal predecessors, (19454), 0 states have call successors, (0), 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 06:10:04,840 INFO L81 ComplementDD]: Finished complementDD. Result has 71 states, 71 states have (on average 274.0) internal successors, (19454), 71 states have internal predecessors, (19454), 0 states have call successors, (0), 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 06:10:04,840 INFO L186 Difference]: Start difference. First operand has 382 places, 370 transitions, 2077 flow. Second operand 70 states and 9911 transitions. [2021-11-20 06:10:04,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 1046 transitions, 7183 flow [2021-11-20 06:10:05,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 1046 transitions, 6981 flow, removed 5 selfloop flow, removed 24 redundant places. [2021-11-20 06:10:05,174 INFO L242 Difference]: Finished difference. Result has 475 places, 486 transitions, 3479 flow [2021-11-20 06:10:05,175 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=1925, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=70, PETRI_FLOW=3479, PETRI_PLACES=475, PETRI_TRANSITIONS=486} [2021-11-20 06:10:05,175 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 221 predicate places. [2021-11-20 06:10:05,175 INFO L470 AbstractCegarLoop]: Abstraction has has 475 places, 486 transitions, 3479 flow [2021-11-20 06:10:05,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:10:05,177 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:10:05,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:05,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 06:10:05,177 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:10:05,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:05,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1652258192, now seen corresponding path program 2 times [2021-11-20 06:10:05,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:05,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506343122] [2021-11-20 06:10:05,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:05,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:40,848 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 06:10:40,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:40,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506343122] [2021-11-20 06:10:40,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506343122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:40,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:40,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2021-11-20 06:10:40,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21015250] [2021-11-20 06:10:40,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:40,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-20 06:10:40,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:40,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-20 06:10:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2059, Unknown=0, NotChecked=0, Total=2256 [2021-11-20 06:10:40,854 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 274 [2021-11-20 06:10:40,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 486 transitions, 3479 flow. Second operand has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:10:40,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:10:40,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 274 [2021-11-20 06:10:40,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:11:40,304 WARN L227 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 175 DAG size of output: 142 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:12:00,137 INFO L129 PetriNetUnfolder]: 13912/31480 cut-off events. [2021-11-20 06:12:00,137 INFO L130 PetriNetUnfolder]: For 361317/361665 co-relation queries the response was YES. [2021-11-20 06:12:00,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134258 conditions, 31480 events. 13912/31480 cut-off events. For 361317/361665 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 262612 event pairs, 5612 based on Foata normal form. 292/31188 useless extension candidates. Maximal degree in co-relation 134158. Up to 18689 conditions per place. [2021-11-20 06:12:00,856 INFO L132 encePairwiseOnDemand]: 221/274 looper letters, 628 selfloop transitions, 111 changer transitions 29/890 dead transitions. [2021-11-20 06:12:00,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 890 transitions, 8278 flow [2021-11-20 06:12:00,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-20 06:12:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-11-20 06:12:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 8082 transitions. [2021-11-20 06:12:00,979 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5085577649131638 [2021-11-20 06:12:00,981 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 8082 transitions. [2021-11-20 06:12:00,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 8082 transitions. [2021-11-20 06:12:00,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:12:00,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 8082 transitions. [2021-11-20 06:12:01,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 139.3448275862069) internal successors, (8082), 58 states have internal predecessors, (8082), 0 states have call successors, (0), 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 06:12:01,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 274.0) internal successors, (16166), 59 states have internal predecessors, (16166), 0 states have call successors, (0), 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 06:12:01,034 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 274.0) internal successors, (16166), 59 states have internal predecessors, (16166), 0 states have call successors, (0), 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 06:12:01,034 INFO L186 Difference]: Start difference. First operand has 475 places, 486 transitions, 3479 flow. Second operand 58 states and 8082 transitions. [2021-11-20 06:12:01,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 890 transitions, 8278 flow [2021-11-20 06:12:02,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 890 transitions, 8135 flow, removed 24 selfloop flow, removed 18 redundant places. [2021-11-20 06:12:02,177 INFO L242 Difference]: Finished difference. Result has 546 places, 580 transitions, 5142 flow [2021-11-20 06:12:02,178 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=3369, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=5142, PETRI_PLACES=546, PETRI_TRANSITIONS=580} [2021-11-20 06:12:02,179 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 292 predicate places. [2021-11-20 06:12:02,179 INFO L470 AbstractCegarLoop]: Abstraction has has 546 places, 580 transitions, 5142 flow [2021-11-20 06:12:02,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:12:02,180 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:12:02,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:02,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 06:12:02,180 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:12:02,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash 295856630, now seen corresponding path program 3 times [2021-11-20 06:12:02,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:02,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788416452] [2021-11-20 06:12:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:02,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:38,051 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 06:12:38,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:12:38,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788416452] [2021-11-20 06:12:38,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788416452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:38,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:12:38,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2021-11-20 06:12:38,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351033016] [2021-11-20 06:12:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:38,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-20 06:12:38,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:12:38,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-20 06:12:38,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2062, Unknown=0, NotChecked=0, Total=2256 [2021-11-20 06:12:38,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 274 [2021-11-20 06:12:38,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 580 transitions, 5142 flow. Second operand has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:12:38,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:12:38,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 274 [2021-11-20 06:12:38,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:13:36,908 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 175 DAG size of output: 142 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:14:00,229 INFO L129 PetriNetUnfolder]: 15746/35518 cut-off events. [2021-11-20 06:14:00,229 INFO L130 PetriNetUnfolder]: For 1170114/1170541 co-relation queries the response was YES. [2021-11-20 06:14:01,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181005 conditions, 35518 events. 15746/35518 cut-off events. For 1170114/1170541 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 303624 event pairs, 4436 based on Foata normal form. 265/35088 useless extension candidates. Maximal degree in co-relation 180874. Up to 20401 conditions per place. [2021-11-20 06:14:01,379 INFO L132 encePairwiseOnDemand]: 222/274 looper letters, 711 selfloop transitions, 126 changer transitions 33/992 dead transitions. [2021-11-20 06:14:01,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 992 transitions, 10795 flow [2021-11-20 06:14:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-20 06:14:01,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-11-20 06:14:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 8350 transitions. [2021-11-20 06:14:01,386 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5079075425790754 [2021-11-20 06:14:01,386 INFO L72 ComplementDD]: Start complementDD. Operand 60 states and 8350 transitions. [2021-11-20 06:14:01,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 8350 transitions. [2021-11-20 06:14:01,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:01,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 60 states and 8350 transitions. [2021-11-20 06:14:01,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 61 states, 60 states have (on average 139.16666666666666) internal successors, (8350), 60 states have internal predecessors, (8350), 0 states have call successors, (0), 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 06:14:01,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 61 states, 61 states have (on average 274.0) internal successors, (16714), 61 states have internal predecessors, (16714), 0 states have call successors, (0), 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 06:14:01,585 INFO L81 ComplementDD]: Finished complementDD. Result has 61 states, 61 states have (on average 274.0) internal successors, (16714), 61 states have internal predecessors, (16714), 0 states have call successors, (0), 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 06:14:01,598 INFO L186 Difference]: Start difference. First operand has 546 places, 580 transitions, 5142 flow. Second operand 60 states and 8350 transitions. [2021-11-20 06:14:01,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 992 transitions, 10795 flow [2021-11-20 06:14:05,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 992 transitions, 9998 flow, removed 383 selfloop flow, removed 12 redundant places. [2021-11-20 06:14:05,606 INFO L242 Difference]: Finished difference. Result has 621 places, 660 transitions, 6063 flow [2021-11-20 06:14:05,607 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=4451, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=60, PETRI_FLOW=6063, PETRI_PLACES=621, PETRI_TRANSITIONS=660} [2021-11-20 06:14:05,608 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 367 predicate places. [2021-11-20 06:14:05,608 INFO L470 AbstractCegarLoop]: Abstraction has has 621 places, 660 transitions, 6063 flow [2021-11-20 06:14:05,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:14:05,609 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:14:05,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:05,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 06:14:05,610 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:14:05,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 731847592, now seen corresponding path program 4 times [2021-11-20 06:14:05,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:05,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917550337] [2021-11-20 06:14:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:05,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:40,666 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 06:14:40,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:40,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917550337] [2021-11-20 06:14:40,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917550337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:14:40,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:14:40,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2021-11-20 06:14:40,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247047043] [2021-11-20 06:14:40,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:14:40,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-20 06:14:40,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:40,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-20 06:14:40,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2064, Unknown=0, NotChecked=0, Total=2256 [2021-11-20 06:14:40,675 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 274 [2021-11-20 06:14:40,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 660 transitions, 6063 flow. Second operand has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:14:40,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:14:40,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 274 [2021-11-20 06:14:40,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:16:05,873 INFO L129 PetriNetUnfolder]: 17507/39452 cut-off events. [2021-11-20 06:16:05,873 INFO L130 PetriNetUnfolder]: For 2351104/2351563 co-relation queries the response was YES. [2021-11-20 06:16:07,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220687 conditions, 39452 events. 17507/39452 cut-off events. For 2351104/2351563 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 345053 event pairs, 4906 based on Foata normal form. 240/38901 useless extension candidates. Maximal degree in co-relation 220528. Up to 23027 conditions per place. [2021-11-20 06:16:07,366 INFO L132 encePairwiseOnDemand]: 221/274 looper letters, 778 selfloop transitions, 151 changer transitions 36/1087 dead transitions. [2021-11-20 06:16:07,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 1087 transitions, 12703 flow [2021-11-20 06:16:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-20 06:16:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-11-20 06:16:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 8509 transitions. [2021-11-20 06:16:07,376 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5090941725499581 [2021-11-20 06:16:07,376 INFO L72 ComplementDD]: Start complementDD. Operand 61 states and 8509 transitions. [2021-11-20 06:16:07,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 8509 transitions. [2021-11-20 06:16:07,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:16:07,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 61 states and 8509 transitions. [2021-11-20 06:16:07,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 62 states, 61 states have (on average 139.49180327868854) internal successors, (8509), 61 states have internal predecessors, (8509), 0 states have call successors, (0), 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 06:16:07,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 62 states, 62 states have (on average 274.0) internal successors, (16988), 62 states have internal predecessors, (16988), 0 states have call successors, (0), 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 06:16:07,412 INFO L81 ComplementDD]: Finished complementDD. Result has 62 states, 62 states have (on average 274.0) internal successors, (16988), 62 states have internal predecessors, (16988), 0 states have call successors, (0), 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 06:16:07,412 INFO L186 Difference]: Start difference. First operand has 621 places, 660 transitions, 6063 flow. Second operand 61 states and 8509 transitions. [2021-11-20 06:16:07,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 1087 transitions, 12703 flow [2021-11-20 06:16:13,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 1087 transitions, 12130 flow, removed 258 selfloop flow, removed 16 redundant places. [2021-11-20 06:16:13,456 INFO L242 Difference]: Finished difference. Result has 691 places, 735 transitions, 7313 flow [2021-11-20 06:16:13,457 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=5518, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=61, PETRI_FLOW=7313, PETRI_PLACES=691, PETRI_TRANSITIONS=735} [2021-11-20 06:16:13,457 INFO L334 CegarLoopForPetriNet]: 254 programPoint places, 437 predicate places. [2021-11-20 06:16:13,458 INFO L470 AbstractCegarLoop]: Abstraction has has 691 places, 735 transitions, 7313 flow [2021-11-20 06:16:13,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:16:13,458 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:16:13,459 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:13,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 06:16:13,459 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-20 06:16:13,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:16:13,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1603384404, now seen corresponding path program 5 times [2021-11-20 06:16:13,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:16:13,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99544836] [2021-11-20 06:16:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:16:13,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:16:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:16:47,777 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 06:16:47,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:16:47,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99544836] [2021-11-20 06:16:47,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99544836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:16:47,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:16:47,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2021-11-20 06:16:47,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930195378] [2021-11-20 06:16:47,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:16:47,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-20 06:16:47,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:16:47,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-20 06:16:47,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=2063, Unknown=0, NotChecked=0, Total=2256 [2021-11-20 06:16:47,785 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 274 [2021-11-20 06:16:47,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 735 transitions, 7313 flow. Second operand has 48 states, 48 states have (on average 132.3125) internal successors, (6351), 48 states have internal predecessors, (6351), 0 states have call successors, (0), 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 06:16:47,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:16:47,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 274 [2021-11-20 06:16:47,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand